Use mattermost v5 module (#1192)

112 files changed, 23742 insertions, 0 deletions

diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/access.go b/vendor/github.com/mattermost/mattermost-server/v5/model/access.go
new file mode 100644
index 00000000..bbac3601
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/access.go
@@ -0,0 +1,96 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+const (
+	ACCESS_TOKEN_GRANT_TYPE  = "authorization_code"
+	ACCESS_TOKEN_TYPE        = "bearer"
+	REFRESH_TOKEN_GRANT_TYPE = "refresh_token"
+)
+
+type AccessData struct {
+	ClientId     string `json:"client_id"`
+	UserId       string `json:"user_id"`
+	Token        string `json:"token"`
+	RefreshToken string `json:"refresh_token"`
+	RedirectUri  string `json:"redirect_uri"`
+	ExpiresAt    int64  `json:"expires_at"`
+	Scope        string `json:"scope"`
+}
+
+type AccessResponse struct {
+	AccessToken  string `json:"access_token"`
+	TokenType    string `json:"token_type"`
+	ExpiresIn    int32  `json:"expires_in"`
+	Scope        string `json:"scope"`
+	RefreshToken string `json:"refresh_token"`
+}
+
+// IsValid validates the AccessData and returns an error if it isn't configured
+// correctly.
+func (ad *AccessData) IsValid() *AppError {
+
+	if len(ad.ClientId) == 0 || len(ad.ClientId) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.UserId) == 0 || len(ad.UserId) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.Token) != 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.access_token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.RefreshToken) > 26 {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.refresh_token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.RedirectUri) == 0 || len(ad.RedirectUri) > 256 || !IsValidHttpUrl(ad.RedirectUri) {
+		return NewAppError("AccessData.IsValid", "model.access.is_valid.redirect_uri.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (ad *AccessData) IsExpired() bool {
+
+	if ad.ExpiresAt <= 0 {
+		return false
+	}
+
+	if GetMillis() > ad.ExpiresAt {
+		return true
+	}
+
+	return false
+}
+
+func (ad *AccessData) ToJson() string {
+	b, _ := json.Marshal(ad)
+	return string(b)
+}
+
+func AccessDataFromJson(data io.Reader) *AccessData {
+	var ad *AccessData
+	json.NewDecoder(data).Decode(&ad)
+	return ad
+}
+
+func (ar *AccessResponse) ToJson() string {
+	b, _ := json.Marshal(ar)
+	return string(b)
+}
+
+func AccessResponseFromJson(data io.Reader) *AccessResponse {
+	var ar *AccessResponse
+	json.NewDecoder(data).Decode(&ar)
+	return ar
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/analytics_row.go b/vendor/github.com/mattermost/mattermost-server/v5/model/analytics_row.go
new file mode 100644
index 00000000..1180ad22
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/analytics_row.go
@@ -0,0 +1,41 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type AnalyticsRow struct {
+	Name  string  `json:"name"`
+	Value float64 `json:"value"`
+}
+
+type AnalyticsRows []*AnalyticsRow
+
+func (me *AnalyticsRow) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func AnalyticsRowFromJson(data io.Reader) *AnalyticsRow {
+	var me *AnalyticsRow
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
+
+func (me AnalyticsRows) ToJson() string {
+	if b, err := json.Marshal(me); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func AnalyticsRowsFromJson(data io.Reader) AnalyticsRows {
+	var me AnalyticsRows
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/at_mentions.go b/vendor/github.com/mattermost/mattermost-server/v5/model/at_mentions.go
new file mode 100644
index 00000000..f41d182a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/at_mentions.go
@@ -0,0 +1,47 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"strings"
+)
+
+var atMentionRegexp = regexp.MustCompile(`\B@[[:alnum:]][[:alnum:]\.\-_]*`)
+
+const usernameSpecialChars = ".-_"
+
+// PossibleAtMentions returns all substrings in message that look like valid @
+// mentions.
+func PossibleAtMentions(message string) []string {
+	var names []string
+
+	if !strings.Contains(message, "@") {
+		return names
+	}
+
+	alreadyMentioned := make(map[string]bool)
+	for _, match := range atMentionRegexp.FindAllString(message, -1) {
+		name := NormalizeUsername(match[1:])
+		if !alreadyMentioned[name] && IsValidUsername(name) {
+			names = append(names, name)
+			alreadyMentioned[name] = true
+		}
+	}
+
+	return names
+}
+
+// TrimUsernameSpecialChar tries to remove the last character from word if it
+// is a special character for usernames (dot, dash or underscore). If not, it
+// returns the same string.
+func TrimUsernameSpecialChar(word string) (string, bool) {
+	len := len(word)
+
+	if len > 0 && strings.LastIndexAny(word, usernameSpecialChars) == (len-1) {
+		return word[:len-1], true
+	}
+
+	return word, false
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/audit.go b/vendor/github.com/mattermost/mattermost-server/v5/model/audit.go
new file mode 100644
index 00000000..dd1e0602
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/audit.go
@@ -0,0 +1,30 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type Audit struct {
+	Id        string `json:"id"`
+	CreateAt  int64  `json:"create_at"`
+	UserId    string `json:"user_id"`
+	Action    string `json:"action"`
+	ExtraInfo string `json:"extra_info"`
+	IpAddress string `json:"ip_address"`
+	SessionId string `json:"session_id"`
+}
+
+func (o *Audit) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func AuditFromJson(data io.Reader) *Audit {
+	var o *Audit
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/auditconv.go b/vendor/github.com/mattermost/mattermost-server/v5/model/auditconv.go
new file mode 100644
index 00000000..50af2880
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/auditconv.go
@@ -0,0 +1,667 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "github.com/francoispqt/gojay"
+
+// AuditModelTypeConv converts key model types to something better suited for audit output.
+func AuditModelTypeConv(val interface{}) (newVal interface{}, converted bool) {
+	if val == nil {
+		return nil, false
+	}
+	switch v := val.(type) {
+	case *Channel:
+		return newAuditChannel(v), true
+	case *Team:
+		return newAuditTeam(v), true
+	case *User:
+		return newAuditUser(v), true
+	case *Command:
+		return newAuditCommand(v), true
+	case *CommandArgs:
+		return newAuditCommandArgs(v), true
+	case *Bot:
+		return newAuditBot(v), true
+	case *ChannelModerationPatch:
+		return newAuditChannelModerationPatch(v), true
+	case *Emoji:
+		return newAuditEmoji(v), true
+	case *FileInfo:
+		return newAuditFileInfo(v), true
+	case *Group:
+		return newAuditGroup(v), true
+	case *Job:
+		return newAuditJob(v), true
+	case *OAuthApp:
+		return newAuditOAuthApp(v), true
+	case *Post:
+		return newAuditPost(v), true
+	case *Role:
+		return newAuditRole(v), true
+	case *Scheme:
+		return newAuditScheme(v), true
+	case *SchemeRoles:
+		return newAuditSchemeRoles(v), true
+	case *Session:
+		return newAuditSession(v), true
+	case *IncomingWebhook:
+		return newAuditIncomingWebhook(v), true
+	case *OutgoingWebhook:
+		return newAuditOutgoingWebhook(v), true
+	}
+	return val, false
+}
+
+type auditChannel struct {
+	ID   string
+	Name string
+	Type string
+}
+
+// newAuditChannel creates a simplified representation of Channel for output to audit log.
+func newAuditChannel(c *Channel) auditChannel {
+	var channel auditChannel
+	if c != nil {
+		channel.ID = c.Id
+		channel.Name = c.Name
+		channel.Type = c.Type
+	}
+	return channel
+}
+
+func (c auditChannel) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", c.ID)
+	enc.StringKey("name", c.Name)
+	enc.StringKey("type", c.Type)
+}
+
+func (c auditChannel) IsNil() bool {
+	return false
+}
+
+type auditTeam struct {
+	ID   string
+	Name string
+	Type string
+}
+
+// newAuditTeam creates a simplified representation of Team for output to audit log.
+func newAuditTeam(t *Team) auditTeam {
+	var team auditTeam
+	if t != nil {
+		team.ID = t.Id
+		team.Name = t.Name
+		team.Type = t.Type
+	}
+	return team
+}
+
+func (t auditTeam) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", t.ID)
+	enc.StringKey("name", t.Name)
+	enc.StringKey("type", t.Type)
+}
+
+func (t auditTeam) IsNil() bool {
+	return false
+}
+
+type auditUser struct {
+	ID    string
+	Name  string
+	Roles string
+}
+
+// newAuditUser creates a simplified representation of User for output to audit log.
+func newAuditUser(u *User) auditUser {
+	var user auditUser
+	if u != nil {
+		user.ID = u.Id
+		user.Name = u.Username
+		user.Roles = u.Roles
+	}
+	return user
+}
+
+func (u auditUser) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", u.ID)
+	enc.StringKey("name", u.Name)
+	enc.StringKey("roles", u.Roles)
+}
+
+func (u auditUser) IsNil() bool {
+	return false
+}
+
+type auditCommand struct {
+	ID               string
+	CreatorID        string
+	TeamID           string
+	Trigger          string
+	Method           string
+	Username         string
+	IconURL          string
+	AutoComplete     bool
+	AutoCompleteDesc string
+	AutoCompleteHint string
+	DisplayName      string
+	Description      string
+	URL              string
+}
+
+// newAuditCommand creates a simplified representation of Command for output to audit log.
+func newAuditCommand(c *Command) auditCommand {
+	var cmd auditCommand
+	if c != nil {
+		cmd.ID = c.Id
+		cmd.CreatorID = c.CreatorId
+		cmd.TeamID = c.TeamId
+		cmd.Trigger = c.Trigger
+		cmd.Method = c.Method
+		cmd.Username = c.Username
+		cmd.IconURL = c.IconURL
+		cmd.AutoComplete = c.AutoComplete
+		cmd.AutoCompleteDesc = c.AutoCompleteDesc
+		cmd.AutoCompleteHint = c.AutoCompleteHint
+		cmd.DisplayName = c.DisplayName
+		cmd.Description = c.Description
+		cmd.URL = c.URL
+	}
+	return cmd
+}
+
+func (cmd auditCommand) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", cmd.ID)
+	enc.StringKey("creator_id", cmd.CreatorID)
+	enc.StringKey("team_id", cmd.TeamID)
+	enc.StringKey("trigger", cmd.Trigger)
+	enc.StringKey("method", cmd.Method)
+	enc.StringKey("username", cmd.Username)
+	enc.StringKey("icon_url", cmd.IconURL)
+	enc.BoolKey("auto_complete", cmd.AutoComplete)
+	enc.StringKey("auto_complete_desc", cmd.AutoCompleteDesc)
+	enc.StringKey("auto_complete_hint", cmd.AutoCompleteHint)
+	enc.StringKey("display", cmd.DisplayName)
+	enc.StringKey("desc", cmd.Description)
+	enc.StringKey("url", cmd.URL)
+}
+
+func (cmd auditCommand) IsNil() bool {
+	return false
+}
+
+type auditCommandArgs struct {
+	ChannelID string
+	TeamID    string
+	TriggerID string
+	Command   string
+}
+
+// newAuditCommandArgs creates a simplified representation of CommandArgs for output to audit log.
+func newAuditCommandArgs(ca *CommandArgs) auditCommandArgs {
+	var cmdargs auditCommandArgs
+	if ca != nil {
+		cmdargs.ChannelID = ca.ChannelId
+		cmdargs.TeamID = ca.TeamId
+		cmdargs.TriggerID = ca.TriggerId
+		cmdargs.Command = ca.Command
+	}
+	return cmdargs
+}
+
+func (ca auditCommandArgs) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("channel_id", ca.ChannelID)
+	enc.StringKey("team_id", ca.TriggerID)
+	enc.StringKey("trigger_id", ca.TeamID)
+	enc.StringKey("command", ca.Command)
+}
+
+func (ca auditCommandArgs) IsNil() bool {
+	return false
+}
+
+type auditBot struct {
+	UserID      string
+	Username    string
+	Displayname string
+}
+
+// newAuditBot creates a simplified representation of Bot for output to audit log.
+func newAuditBot(b *Bot) auditBot {
+	var bot auditBot
+	if b != nil {
+		bot.UserID = b.UserId
+		bot.Username = b.Username
+		bot.Displayname = b.DisplayName
+	}
+	return bot
+}
+
+func (b auditBot) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("user_id", b.UserID)
+	enc.StringKey("username", b.Username)
+	enc.StringKey("display", b.Displayname)
+}
+
+func (b auditBot) IsNil() bool {
+	return false
+}
+
+type auditChannelModerationPatch struct {
+	Name        string
+	RoleGuests  bool
+	RoleMembers bool
+}
+
+// newAuditChannelModerationPatch creates a simplified representation of ChannelModerationPatch for output to audit log.
+func newAuditChannelModerationPatch(p *ChannelModerationPatch) auditChannelModerationPatch {
+	var patch auditChannelModerationPatch
+	if p != nil {
+		if p.Name != nil {
+			patch.Name = *p.Name
+		}
+		if p.Roles.Guests != nil {
+			patch.RoleGuests = *p.Roles.Guests
+		}
+		if p.Roles.Members != nil {
+			patch.RoleMembers = *p.Roles.Members
+		}
+	}
+	return patch
+}
+
+func (p auditChannelModerationPatch) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("name", p.Name)
+	enc.BoolKey("role_guests", p.RoleGuests)
+	enc.BoolKey("role_members", p.RoleMembers)
+}
+
+func (p auditChannelModerationPatch) IsNil() bool {
+	return false
+}
+
+type auditEmoji struct {
+	ID   string
+	Name string
+}
+
+// newAuditEmoji creates a simplified representation of Emoji for output to audit log.
+func newAuditEmoji(e *Emoji) auditEmoji {
+	var emoji auditEmoji
+	if e != nil {
+		emoji.ID = e.Id
+		emoji.Name = e.Name
+	}
+	return emoji
+}
+
+func (e auditEmoji) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", e.ID)
+	enc.StringKey("name", e.Name)
+}
+
+func (e auditEmoji) IsNil() bool {
+	return false
+}
+
+type auditFileInfo struct {
+	ID        string
+	PostID    string
+	Path      string
+	Name      string
+	Extension string
+	Size      int64
+}
+
+// newAuditFileInfo creates a simplified representation of FileInfo for output to audit log.
+func newAuditFileInfo(f *FileInfo) auditFileInfo {
+	var fi auditFileInfo
+	if f != nil {
+		fi.ID = f.Id
+		fi.PostID = f.PostId
+		fi.Path = f.Path
+		fi.Name = f.Name
+		fi.Extension = f.Extension
+		fi.Size = f.Size
+	}
+	return fi
+}
+
+func (fi auditFileInfo) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", fi.ID)
+	enc.StringKey("post_id", fi.PostID)
+	enc.StringKey("path", fi.Path)
+	enc.StringKey("name", fi.Name)
+	enc.StringKey("ext", fi.Extension)
+	enc.Int64Key("size", fi.Size)
+}
+
+func (fi auditFileInfo) IsNil() bool {
+	return false
+}
+
+type auditGroup struct {
+	ID          string
+	Name        string
+	DisplayName string
+	Description string
+}
+
+// newAuditGroup creates a simplified representation of Group for output to audit log.
+func newAuditGroup(g *Group) auditGroup {
+	var group auditGroup
+	if g != nil {
+		group.ID = g.Id
+		if g.Name == nil {
+			group.Name = ""
+		} else {
+			group.Name = *g.Name
+		}
+		group.DisplayName = g.DisplayName
+		group.Description = g.Description
+	}
+	return group
+}
+
+func (g auditGroup) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", g.ID)
+	enc.StringKey("name", g.Name)
+	enc.StringKey("display", g.DisplayName)
+	enc.StringKey("desc", g.Description)
+}
+
+func (g auditGroup) IsNil() bool {
+	return false
+}
+
+type auditJob struct {
+	ID       string
+	Type     string
+	Priority int64
+	StartAt  int64
+}
+
+// newAuditJob creates a simplified representation of Job for output to audit log.
+func newAuditJob(j *Job) auditJob {
+	var job auditJob
+	if j != nil {
+		job.ID = j.Id
+		job.Type = j.Type
+		job.Priority = j.Priority
+		job.StartAt = j.StartAt
+	}
+	return job
+}
+
+func (j auditJob) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", j.ID)
+	enc.StringKey("type", j.Type)
+	enc.Int64Key("priority", j.Priority)
+	enc.Int64Key("start_at", j.StartAt)
+}
+
+func (j auditJob) IsNil() bool {
+	return false
+}
+
+type auditOAuthApp struct {
+	ID          string
+	CreatorID   string
+	Name        string
+	Description string
+	IsTrusted   bool
+}
+
+// newAuditOAuthApp creates a simplified representation of OAuthApp for output to audit log.
+func newAuditOAuthApp(o *OAuthApp) auditOAuthApp {
+	var oauth auditOAuthApp
+	if o != nil {
+		oauth.ID = o.Id
+		oauth.CreatorID = o.CreatorId
+		oauth.Name = o.Name
+		oauth.Description = o.Description
+		oauth.IsTrusted = o.IsTrusted
+	}
+	return oauth
+}
+
+func (o auditOAuthApp) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", o.ID)
+	enc.StringKey("creator_id", o.CreatorID)
+	enc.StringKey("name", o.Name)
+	enc.StringKey("desc", o.Description)
+	enc.BoolKey("trusted", o.IsTrusted)
+}
+
+func (o auditOAuthApp) IsNil() bool {
+	return false
+}
+
+type auditPost struct {
+	ID        string
+	ChannelID string
+	Type      string
+	IsPinned  bool
+}
+
+// newAuditPost creates a simplified representation of Post for output to audit log.
+func newAuditPost(p *Post) auditPost {
+	var post auditPost
+	if p != nil {
+		post.ID = p.Id
+		post.ChannelID = p.ChannelId
+		post.Type = p.Type
+		post.IsPinned = p.IsPinned
+	}
+	return post
+}
+
+func (p auditPost) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", p.ID)
+	enc.StringKey("channel_id", p.ChannelID)
+	enc.StringKey("type", p.Type)
+	enc.BoolKey("pinned", p.IsPinned)
+}
+
+func (p auditPost) IsNil() bool {
+	return false
+}
+
+type auditRole struct {
+	ID            string
+	Name          string
+	DisplayName   string
+	Permissions   []string
+	SchemeManaged bool
+	BuiltIn       bool
+}
+
+// newAuditRole creates a simplified representation of Role for output to audit log.
+func newAuditRole(r *Role) auditRole {
+	var role auditRole
+	if r != nil {
+		role.ID = r.Id
+		role.Name = r.Name
+		role.DisplayName = r.DisplayName
+		role.Permissions = append(role.Permissions, r.Permissions...)
+		role.SchemeManaged = r.SchemeManaged
+		role.BuiltIn = r.BuiltIn
+	}
+	return role
+}
+
+func (r auditRole) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", r.ID)
+	enc.StringKey("name", r.Name)
+	enc.StringKey("display", r.DisplayName)
+	enc.SliceStringKey("perms", r.Permissions)
+	enc.BoolKey("schemeManaged", r.SchemeManaged)
+	enc.BoolKey("builtin", r.BuiltIn)
+}
+
+func (r auditRole) IsNil() bool {
+	return false
+}
+
+type auditScheme struct {
+	ID          string
+	Name        string
+	DisplayName string
+	Scope       string
+}
+
+// newAuditScheme creates a simplified representation of Scheme for output to audit log.
+func newAuditScheme(s *Scheme) auditScheme {
+	var scheme auditScheme
+	if s != nil {
+		scheme.ID = s.Id
+		scheme.Name = s.Name
+		scheme.DisplayName = s.DisplayName
+		scheme.Scope = s.Scope
+	}
+	return scheme
+}
+
+func (s auditScheme) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", s.ID)
+	enc.StringKey("name", s.Name)
+	enc.StringKey("display", s.DisplayName)
+	enc.StringKey("scope", s.Scope)
+}
+
+func (s auditScheme) IsNil() bool {
+	return false
+}
+
+type auditSchemeRoles struct {
+	SchemeAdmin bool
+	SchemeUser  bool
+	SchemeGuest bool
+}
+
+// newAuditSchemeRoles creates a simplified representation of SchemeRoles for output to audit log.
+func newAuditSchemeRoles(s *SchemeRoles) auditSchemeRoles {
+	var roles auditSchemeRoles
+	if s != nil {
+		roles.SchemeAdmin = s.SchemeAdmin
+		roles.SchemeUser = s.SchemeUser
+		roles.SchemeGuest = s.SchemeGuest
+	}
+	return roles
+}
+
+func (s auditSchemeRoles) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.BoolKey("admin", s.SchemeAdmin)
+	enc.BoolKey("user", s.SchemeUser)
+	enc.BoolKey("guest", s.SchemeGuest)
+}
+
+func (s auditSchemeRoles) IsNil() bool {
+	return false
+}
+
+type auditSession struct {
+	ID       string
+	UserId   string
+	DeviceId string
+}
+
+// newAuditSession creates a simplified representation of Session for output to audit log.
+func newAuditSession(s *Session) auditSession {
+	var session auditSession
+	if s != nil {
+		session.ID = s.Id
+		session.UserId = s.UserId
+		session.DeviceId = s.DeviceId
+	}
+	return session
+}
+
+func (s auditSession) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", s.ID)
+	enc.StringKey("user_id", s.UserId)
+	enc.StringKey("device_id", s.DeviceId)
+}
+
+func (s auditSession) IsNil() bool {
+	return false
+}
+
+type auditIncomingWebhook struct {
+	ID          string
+	ChannelID   string
+	TeamId      string
+	DisplayName string
+	Description string
+}
+
+// newAuditIncomingWebhook creates a simplified representation of IncomingWebhook for output to audit log.
+func newAuditIncomingWebhook(h *IncomingWebhook) auditIncomingWebhook {
+	var hook auditIncomingWebhook
+	if h != nil {
+		hook.ID = h.Id
+		hook.ChannelID = h.ChannelId
+		hook.TeamId = h.TeamId
+		hook.DisplayName = h.DisplayName
+		hook.Description = h.Description
+	}
+	return hook
+}
+
+func (h auditIncomingWebhook) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", h.ID)
+	enc.StringKey("channel_id", h.ChannelID)
+	enc.StringKey("team_id", h.TeamId)
+	enc.StringKey("display", h.DisplayName)
+	enc.StringKey("desc", h.Description)
+}
+
+func (h auditIncomingWebhook) IsNil() bool {
+	return false
+}
+
+type auditOutgoingWebhook struct {
+	ID           string
+	ChannelID    string
+	TeamID       string
+	TriggerWords StringArray
+	TriggerWhen  int
+	DisplayName  string
+	Description  string
+	ContentType  string
+	Username     string
+}
+
+// newAuditOutgoingWebhook creates a simplified representation of OutgoingWebhook for output to audit log.
+func newAuditOutgoingWebhook(h *OutgoingWebhook) auditOutgoingWebhook {
+	var hook auditOutgoingWebhook
+	if h != nil {
+		hook.ID = h.Id
+		hook.ChannelID = h.ChannelId
+		hook.TeamID = h.TeamId
+		hook.TriggerWords = h.TriggerWords
+		hook.TriggerWhen = h.TriggerWhen
+		hook.DisplayName = h.DisplayName
+		hook.Description = h.Description
+		hook.ContentType = h.ContentType
+		hook.Username = h.Username
+	}
+	return hook
+}
+
+func (h auditOutgoingWebhook) MarshalJSONObject(enc *gojay.Encoder) {
+	enc.StringKey("id", h.ID)
+	enc.StringKey("channel_id", h.ChannelID)
+	enc.StringKey("team_id", h.TeamID)
+	enc.SliceStringKey("trigger_words", h.TriggerWords)
+	enc.IntKey("trigger_when", h.TriggerWhen)
+	enc.StringKey("display", h.DisplayName)
+	enc.StringKey("desc", h.Description)
+	enc.StringKey("content_type", h.ContentType)
+	enc.StringKey("username", h.Username)
+}
+
+func (h auditOutgoingWebhook) IsNil() bool {
+	return false
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/audits.go b/vendor/github.com/mattermost/mattermost-server/v5/model/audits.go
new file mode 100644
index 00000000..a8f01e1b
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/audits.go
@@ -0,0 +1,34 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type Audits []Audit
+
+func (o Audits) Etag() string {
+	if len(o) > 0 {
+		// the first in the list is always the most current
+		return Etag(o[0].CreateAt)
+	} else {
+		return ""
+	}
+}
+
+func (o Audits) ToJson() string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func AuditsFromJson(data io.Reader) Audits {
+	var o Audits
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/authorize.go b/vendor/github.com/mattermost/mattermost-server/v5/model/authorize.go
new file mode 100644
index 00000000..0191a670
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/authorize.go
@@ -0,0 +1,142 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+const (
+	AUTHCODE_EXPIRE_TIME   = 60 * 10 // 10 minutes
+	AUTHCODE_RESPONSE_TYPE = "code"
+	IMPLICIT_RESPONSE_TYPE = "token"
+	DEFAULT_SCOPE          = "user"
+)
+
+type AuthData struct {
+	ClientId    string `json:"client_id"`
+	UserId      string `json:"user_id"`
+	Code        string `json:"code"`
+	ExpiresIn   int32  `json:"expires_in"`
+	CreateAt    int64  `json:"create_at"`
+	RedirectUri string `json:"redirect_uri"`
+	State       string `json:"state"`
+	Scope       string `json:"scope"`
+}
+
+type AuthorizeRequest struct {
+	ResponseType string `json:"response_type"`
+	ClientId     string `json:"client_id"`
+	RedirectUri  string `json:"redirect_uri"`
+	Scope        string `json:"scope"`
+	State        string `json:"state"`
+}
+
+// IsValid validates the AuthData and returns an error if it isn't configured
+// correctly.
+func (ad *AuthData) IsValid() *AppError {
+
+	if !IsValidId(ad.ClientId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(ad.UserId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ad.Code) == 0 || len(ad.Code) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.auth_code.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if ad.ExpiresIn == 0 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.expires.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if ad.CreateAt <= 0 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.create_at.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.RedirectUri) > 256 || !IsValidHttpUrl(ad.RedirectUri) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.redirect_uri.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.State) > 1024 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.state.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ad.Scope) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.scope.app_error", nil, "client_id="+ad.ClientId, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// IsValid validates the AuthorizeRequest and returns an error if it isn't configured
+// correctly.
+func (ar *AuthorizeRequest) IsValid() *AppError {
+
+	if !IsValidId(ar.ClientId) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.client_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ar.ResponseType) == 0 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.response_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(ar.RedirectUri) == 0 || len(ar.RedirectUri) > 256 || !IsValidHttpUrl(ar.RedirectUri) {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.redirect_uri.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ar.State) > 1024 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.state.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	if len(ar.Scope) > 128 {
+		return NewAppError("AuthData.IsValid", "model.authorize.is_valid.scope.app_error", nil, "client_id="+ar.ClientId, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (ad *AuthData) PreSave() {
+	if ad.ExpiresIn == 0 {
+		ad.ExpiresIn = AUTHCODE_EXPIRE_TIME
+	}
+
+	if ad.CreateAt == 0 {
+		ad.CreateAt = GetMillis()
+	}
+
+	if len(ad.Scope) == 0 {
+		ad.Scope = DEFAULT_SCOPE
+	}
+}
+
+func (ad *AuthData) ToJson() string {
+	b, _ := json.Marshal(ad)
+	return string(b)
+}
+
+func AuthDataFromJson(data io.Reader) *AuthData {
+	var ad *AuthData
+	json.NewDecoder(data).Decode(&ad)
+	return ad
+}
+
+func (ar *AuthorizeRequest) ToJson() string {
+	b, _ := json.Marshal(ar)
+	return string(b)
+}
+
+func AuthorizeRequestFromJson(data io.Reader) *AuthorizeRequest {
+	var ar *AuthorizeRequest
+	json.NewDecoder(data).Decode(&ar)
+	return ar
+}
+
+func (ad *AuthData) IsExpired() bool {
+	return GetMillis() > ad.CreateAt+int64(ad.ExpiresIn*1000)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/bot.go b/vendor/github.com/mattermost/mattermost-server/v5/model/bot.go
new file mode 100644
index 00000000..15ef6a70
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/bot.go
@@ -0,0 +1,233 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	BOT_DISPLAY_NAME_MAX_RUNES = USER_FIRST_NAME_MAX_RUNES
+	BOT_DESCRIPTION_MAX_RUNES  = 1024
+	BOT_CREATOR_ID_MAX_RUNES   = KEY_VALUE_PLUGIN_ID_MAX_RUNES // UserId or PluginId
+)
+
+// Bot is a special type of User meant for programmatic interactions.
+// Note that the primary key of a bot is the UserId, and matches the primary key of the
+// corresponding user.
+type Bot struct {
+	UserId         string `json:"user_id"`
+	Username       string `json:"username"`
+	DisplayName    string `json:"display_name,omitempty"`
+	Description    string `json:"description,omitempty"`
+	OwnerId        string `json:"owner_id"`
+	LastIconUpdate int64  `json:"last_icon_update,omitempty"`
+	CreateAt       int64  `json:"create_at"`
+	UpdateAt       int64  `json:"update_at"`
+	DeleteAt       int64  `json:"delete_at"`
+}
+
+// BotPatch is a description of what fields to update on an existing bot.
+type BotPatch struct {
+	Username    *string `json:"username"`
+	DisplayName *string `json:"display_name"`
+	Description *string `json:"description"`
+}
+
+// BotGetOptions acts as a filter on bulk bot fetching queries.
+type BotGetOptions struct {
+	OwnerId        string
+	IncludeDeleted bool
+	OnlyOrphaned   bool
+	Page           int
+	PerPage        int
+}
+
+// BotList is a list of bots.
+type BotList []*Bot
+
+// Trace describes the minimum information required to identify a bot for the purpose of logging.
+func (b *Bot) Trace() map[string]interface{} {
+	return map[string]interface{}{"user_id": b.UserId}
+}
+
+// Clone returns a shallow copy of the bot.
+func (b *Bot) Clone() *Bot {
+	copy := *b
+	return &copy
+}
+
+// IsValid validates the bot and returns an error if it isn't configured correctly.
+func (b *Bot) IsValid() *AppError {
+	if !IsValidId(b.UserId) {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.user_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if !IsValidUsername(b.Username) {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.username.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(b.DisplayName) > BOT_DISPLAY_NAME_MAX_RUNES {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.user_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(b.Description) > BOT_DESCRIPTION_MAX_RUNES {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.description.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if len(b.OwnerId) == 0 || utf8.RuneCountInString(b.OwnerId) > BOT_CREATOR_ID_MAX_RUNES {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.creator_id.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if b.CreateAt == 0 {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.create_at.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	if b.UpdateAt == 0 {
+		return NewAppError("Bot.IsValid", "model.bot.is_valid.update_at.app_error", b.Trace(), "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// PreSave should be run before saving a new bot to the database.
+func (b *Bot) PreSave() {
+	b.CreateAt = GetMillis()
+	b.UpdateAt = b.CreateAt
+	b.DeleteAt = 0
+}
+
+// PreUpdate should be run before saving an updated bot to the database.
+func (b *Bot) PreUpdate() {
+	b.UpdateAt = GetMillis()
+}
+
+// Etag generates an etag for caching.
+func (b *Bot) Etag() string {
+	return Etag(b.UserId, b.UpdateAt)
+}
+
+// ToJson serializes the bot to json.
+func (b *Bot) ToJson() []byte {
+	data, _ := json.Marshal(b)
+	return data
+}
+
+// BotFromJson deserializes a bot from json.
+func BotFromJson(data io.Reader) *Bot {
+	var bot *Bot
+	json.NewDecoder(data).Decode(&bot)
+	return bot
+}
+
+// Patch modifies an existing bot with optional fields from the given patch.
+func (b *Bot) Patch(patch *BotPatch) {
+	if patch.Username != nil {
+		b.Username = *patch.Username
+	}
+
+	if patch.DisplayName != nil {
+		b.DisplayName = *patch.DisplayName
+	}
+
+	if patch.Description != nil {
+		b.Description = *patch.Description
+	}
+}
+
+// ToJson serializes the bot patch to json.
+func (b *BotPatch) ToJson() []byte {
+	data, err := json.Marshal(b)
+	if err != nil {
+		return nil
+	}
+
+	return data
+}
+
+// BotPatchFromJson deserializes a bot patch from json.
+func BotPatchFromJson(data io.Reader) *BotPatch {
+	decoder := json.NewDecoder(data)
+	var botPatch BotPatch
+	err := decoder.Decode(&botPatch)
+	if err != nil {
+		return nil
+	}
+
+	return &botPatch
+}
+
+// UserFromBot returns a user model describing the bot fields stored in the User store.
+func UserFromBot(b *Bot) *User {
+	return &User{
+		Id:        b.UserId,
+		Username:  b.Username,
+		Email:     NormalizeEmail(fmt.Sprintf("%s@localhost", b.Username)),
+		FirstName: b.DisplayName,
+		Roles:     SYSTEM_USER_ROLE_ID,
+	}
+}
+
+// BotFromUser returns a bot model given a user model
+func BotFromUser(u *User) *Bot {
+	return &Bot{
+		OwnerId:     u.Id,
+		UserId:      u.Id,
+		Username:    u.Username,
+		DisplayName: u.GetDisplayName(SHOW_USERNAME),
+	}
+}
+
+// BotListFromJson deserializes a list of bots from json.
+func BotListFromJson(data io.Reader) BotList {
+	var bots BotList
+	json.NewDecoder(data).Decode(&bots)
+	return bots
+}
+
+// ToJson serializes a list of bots to json.
+func (l *BotList) ToJson() []byte {
+	b, _ := json.Marshal(l)
+	return b
+}
+
+// Etag computes the etag for a list of bots.
+func (l *BotList) Etag() string {
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *l {
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.UserId
+		}
+
+	}
+
+	return Etag(id, t, delta, len(*l))
+}
+
+// MakeBotNotFoundError creates the error returned when a bot does not exist, or when the user isn't allowed to query the bot.
+// The errors must the same in both cases to avoid leaking that a user is a bot.
+func MakeBotNotFoundError(userId string) *AppError {
+	return NewAppError("SqlBotStore.Get", "store.sql_bot.get.missing.app_error", map[string]interface{}{"user_id": userId}, "", http.StatusNotFound)
+}
+
+func IsBotDMChannel(channel *Channel, botUserID string) bool {
+	if channel.Type != CHANNEL_DIRECT {
+		return false
+	}
+
+	if !strings.HasPrefix(channel.Name, botUserID+"__") && !strings.HasSuffix(channel.Name, "__"+botUserID) {
+		return false
+	}
+
+	return true
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/bot_default_image.go b/vendor/github.com/mattermost/mattermost-server/v5/model/bot_default_image.go
new file mode 100644
index 00000000..d9cdd2e2
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/bot_default_image.go
@@ -0,0 +1,288 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+var BotDefaultImage = []byte{
+	0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
+	0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x7e,
+	0x08, 0x06, 0x00, 0x00, 0x00, 0xec, 0xa6, 0x19, 0xa2, 0x00, 0x00, 0x00,
+	0x04, 0x67, 0x41, 0x4d, 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61,
+	0x05, 0x00, 0x00, 0x0c, 0xe3, 0x49, 0x44, 0x41, 0x54, 0x78, 0x01, 0xed,
+	0x5d, 0x5b, 0x88, 0x15, 0xc9, 0x19, 0xae, 0xf1, 0xba, 0x5e, 0xc6, 0x4b,
+	0xbc, 0xa0, 0x46, 0xd7, 0x2b, 0xce, 0x2a, 0xba, 0xca, 0x8a, 0xa3, 0x82,
+	0x38, 0xa3, 0x46, 0x47, 0x5d, 0x59, 0xa3, 0x2f, 0x9b, 0x28, 0x6e, 0xc2,
+	0xea, 0x83, 0x22, 0x04, 0x82, 0x78, 0x41, 0xf2, 0xb2, 0x04, 0xd4, 0x07,
+	0x49, 0x22, 0xc4, 0x07, 0xcd, 0x53, 0x30, 0x26, 0x1a, 0xa2, 0x08, 0xee,
+	0xaa, 0xa8, 0x71, 0xb2, 0x41, 0x11, 0xbc, 0xdf, 0xd0, 0x8d, 0x6e, 0x24,
+	0x82, 0xe3, 0x65, 0x32, 0x9b, 0x19, 0x1d, 0x47, 0xd7, 0xeb, 0xc9, 0xf7,
+	0xb5, 0xa7, 0x0f, 0xe7, 0x9c, 0xe9, 0x3e, 0xdd, 0xe7, 0x4c, 0x57, 0x77,
+	0x75, 0x75, 0xfd, 0xf0, 0x9f, 0xee, 0xae, 0xaa, 0xae, 0xfa, 0xff, 0xef,
+	0xfb, 0x4f, 0x9d, 0xee, 0xaa, 0xea, 0x3e, 0x65, 0x42, 0x4f, 0xe9, 0x0b,
+	0xb7, 0x46, 0x43, 0x2b, 0xd2, 0xdb, 0x91, 0xd8, 0xf6, 0x84, 0x96, 0x67,
+	0x69, 0xf7, 0xf4, 0x3e, 0x36, 0xa2, 0x19, 0xfa, 0x34, 0xbd, 0xe5, 0x3e,
+	0xf5, 0x31, 0xf4, 0xdf, 0xd0, 0x5b, 0xd0, 0x7f, 0xa5, 0xb7, 0x0d, 0xd8,
+	0x6a, 0x25, 0x65, 0x1a, 0x78, 0xd3, 0x1b, 0x3e, 0x54, 0x41, 0x67, 0x42,
+	0x2b, 0xa1, 0x24, 0x9d, 0x69, 0x32, 0xa4, 0x11, 0x95, 0x32, 0x18, 0xce,
+	0x42, 0x6b, 0xa1, 0x5f, 0x43, 0x99, 0x16, 0x5b, 0x89, 0x63, 0x00, 0x74,
+	0x03, 0xda, 0xb3, 0xa0, 0x24, 0xbc, 0x1a, 0x3a, 0x01, 0xda, 0x0e, 0x1a,
+	0x85, 0xbc, 0x45, 0xa3, 0x57, 0xa0, 0xff, 0x80, 0x32, 0x20, 0x4e, 0x42,
+	0x5b, 0xa0, 0x46, 0x02, 0x46, 0xa0, 0x3d, 0xea, 0xab, 0x81, 0xee, 0x86,
+	0xb2, 0xab, 0x4e, 0x29, 0xaa, 0xb4, 0x8d, 0x36, 0xd2, 0x56, 0xda, 0x6c,
+	0xa4, 0x8d, 0x08, 0x7c, 0x84, 0xf3, 0x7f, 0x03, 0x7d, 0x00, 0x55, 0x95,
+	0x74, 0x37, 0xbb, 0x68, 0x33, 0x6d, 0xa7, 0x0f, 0x46, 0x8a, 0x44, 0xe0,
+	0x63, 0x94, 0x3f, 0x0d, 0x75, 0x03, 0x37, 0x6e, 0xe9, 0xf4, 0x85, 0x3e,
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+	0xb7, 0x19, 0x00, 0xdf, 0x04, 0x5a, 0xa5, 0xa9, 0x2c, 0x4e, 0x08, 0x7c,
+	0xc3, 0x00, 0xe0, 0x7b, 0x00, 0x8d, 0x24, 0x13, 0x81, 0x4c, 0x00, 0xf0,
+	0x36, 0xd0, 0x48, 0xb2, 0x10, 0x20, 0xe7, 0xb7, 0xd8, 0x03, 0xb4, 0x40,
+	0xe5, 0x4d, 0x69, 0x25, 0x0b, 0xd4, 0x38, 0x79, 0x4b, 0xce, 0x5b, 0x18,
+	0x00, 0x94, 0x9b, 0xef, 0x36, 0xe6, 0x33, 0x41, 0x08, 0x58, 0x9c, 0x73,
+	0x28, 0x98, 0x72, 0x0a, 0x3a, 0xd7, 0xda, 0x8b, 0xd9, 0xc7, 0x9b, 0x37,
+	0x6f, 0x04, 0x46, 0x02, 0x5d, 0xad, 0xce, 0x7f, 0x18, 0x83, 0xf3, 0xfc,
+	0x85, 0xd6, 0x07, 0xb4, 0x6f, 0xdf, 0x3e, 0x67, 0x08, 0xf9, 0xf5, 0xeb,
+	0xd7, 0xae, 0x75, 0x73, 0xa8, 0x99, 0xe5, 0x63, 0x2a, 0xe4, 0x3c, 0xf3,
+	0x6c, 0xe0, 0xdf, 0x65, 0x39, 0xd1, 0xdc, 0x2c, 0x77, 0xae, 0x69, 0xf9,
+	0xf2, 0xe5, 0x82, 0x2f, 0x77, 0x72, 0xd3, 0xeb, 0xd7, 0xaf, 0xe7, 0xb8,
+	0xb6, 0x75, 0xeb, 0x56, 0xd7, 0xb2, 0xac, 0x63, 0xdf, 0xbe, 0x7d, 0x99,
+	0xf2, 0x3c, 0xd7, 0xad, 0x5e, 0xa6, 0xb3, 0x6d, 0x99, 0x22, 0x19, 0x3b,
+	0x8b, 0x73, 0xfb, 0x27, 0xe0, 0x2c, 0x1c, 0x91, 0xc2, 0xd4, 0xe5, 0xcb,
+	0x97, 0x65, 0x62, 0xa4, 0x75, 0xdd, 0x12, 0xb1, 0x23, 0xd7, 0xe4, 0x3c,
+	0xd3, 0x03, 0xb0, 0x9f, 0xfb, 0x27, 0x13, 0x82, 0x16, 0xcc, 0x99, 0x07,
+	0x5d, 0xa5, 0xd4, 0xfa, 0x0a, 0xfd, 0x9c, 0x48, 0x6d, 0xd8, 0xa1, 0x72,
+	0x89, 0xd8, 0x91, 0x6b, 0xeb, 0xb7, 0xcd, 0xee, 0x01, 0xd8, 0xbc, 0x94,
+	0x9f, 0x01, 0xce, 0xa7, 0xaf, 0x5a, 0xb5, 0xca, 0xd7, 0x02, 0x4e, 0x07,
+	0x0c, 0x42, 0x4f, 0x0a, 0x62, 0x0a, 0xb9, 0xad, 0x46, 0x73, 0xb1, 0x2b,
+	0x31, 0x23, 0x76, 0x92, 0x24, 0xc3, 0xb5, 0x7d, 0x11, 0xc8, 0x76, 0x32,
+	0x89, 0x41, 0x37, 0xba, 0x73, 0xe7, 0x4e, 0xb1, 0x77, 0xef, 0x5e, 0x6b,
+	0x9e, 0x3e, 0x7b, 0x9d, 0xdb, 0xe3, 0xc7, 0x7c, 0x87, 0x71, 0xdb, 0x64,
+	0xcd, 0x9a, 0x35, 0x62, 0xe1, 0xc2, 0x85, 0xae, 0x95, 0x0c, 0x19, 0x32,
+	0x24, 0x27, 0x6f, 0xd1, 0xa2, 0x45, 0x62, 0xd8, 0xb0, 0x61, 0x39, 0x69,
+	0xd9, 0x07, 0xd3, 0xa6, 0x4d, 0xcb, 0x1c, 0xf2, 0xdc, 0x3d, 0x7b, 0xf6,
+	0x64, 0x8e, 0xf3, 0x77, 0x82, 0x78, 0xde, 0x7f, 0xe3, 0xc6, 0x8d, 0x39,
+	0x6f, 0x44, 0xc1, 0x5b, 0xc5, 0x04, 0x57, 0x23, 0x07, 0x81, 0x4d, 0xbe,
+	0xbd, 0x59, 0xc7, 0xae, 0x5c, 0xdf, 0x40, 0x21, 0x69, 0x6b, 0x03, 0xfc,
+	0xd4, 0xcd, 0x39, 0x73, 0x5d, 0xc5, 0x69, 0x3d, 0x80, 0x1f, 0x4c, 0x02,
+	0x2e, 0x43, 0x8e, 0x33, 0x92, 0xfd, 0x13, 0xc0, 0xc4, 0x3f, 0x66, 0x72,
+	0xcc, 0x8e, 0xae, 0x08, 0xe4, 0x70, 0x9c, 0x1f, 0x00, 0x7f, 0x82, 0xd7,
+	0xc5, 0x2f, 0xa2, 0xd7, 0x15, 0x2a, 0xfd, 0xfc, 0x22, 0xb7, 0xe4, 0x38,
+	0x23, 0xf9, 0x01, 0x50, 0x87, 0x9c, 0xe3, 0x99, 0xdc, 0x08, 0x76, 0x0a,
+	0x0d, 0xbc, 0x44, 0x60, 0x4e, 0xa0, 0x4d, 0x2a, 0xf0, 0x44, 0x31, 0xb9,
+	0x25, 0xc7, 0x19, 0xc9, 0x0f, 0x00, 0x66, 0xe4, 0x74, 0x11, 0x99, 0x92,
+	0x21, 0xed, 0xe0, 0x0f, 0x1c, 0x43, 0x6a, 0x29, 0xfc, 0x66, 0x1e, 0x3d,
+	0x7a, 0x14, 0x7e, 0xa3, 0xb9, 0x2d, 0xb6, 0xe2, 0xd6, 0x29, 0x00, 0x0e,
+	0xe2, 0x1c, 0xfe, 0xb9, 0x40, 0x24, 0x22, 0x71, 0xf0, 0x23, 0x12, 0x7f,
+	0xb2, 0x1b, 0x8d, 0xd8, 0x37, 0x72, 0x4a, 0x6e, 0x73, 0xc4, 0x29, 0x00,
+	0x9e, 0xa3, 0xc4, 0xef, 0x72, 0x4a, 0x85, 0x78, 0x70, 0xe0, 0xc0, 0x81,
+	0x10, 0x5b, 0x0b, 0xb7, 0xa9, 0x88, 0x7d, 0x23, 0xa7, 0xe4, 0xd6, 0x97,
+	0xf4, 0x42, 0xa9, 0x26, 0x68, 0x24, 0xb7, 0x84, 0x18, 0x00, 0xd1, 0xee,
+	0x4e, 0x90, 0x3e, 0x45, 0x85, 0x67, 0x9a, 0x4b, 0x72, 0x5a, 0x94, 0xfc,
+	0x1a, 0xa5, 0x23, 0x31, 0x1a, 0x03, 0x35, 0x29, 0x3e, 0x96, 0xa5, 0x8b,
+	0xd0, 0x17, 0xfa, 0x14, 0x15, 0x9e, 0x68, 0x97, 0x5c, 0x16, 0x2d, 0xfc,
+	0x8f, 0x19, 0x4e, 0x1a, 0x44, 0x62, 0xf8, 0x94, 0x29, 0x53, 0x8a, 0x7e,
+	0x05, 0x8b, 0x8a, 0x01, 0xc3, 0xff, 0x0b, 0xa0, 0x2f, 0x51, 0xe1, 0x98,
+	0xe6, 0x90, 0x5c, 0x96, 0x24, 0x5b, 0x71, 0x56, 0x64, 0xc6, 0x63, 0x28,
+	0x36, 0x85, 0x21, 0xe4, 0x56, 0xaf, 0x96, 0x51, 0x91, 0xe8, 0x7c, 0x9b,
+	0xb0, 0xe6, 0xc0, 0xb2, 0x9d, 0x3e, 0x44, 0x89, 0x21, 0xda, 0x26, 0x87,
+	0xae, 0x52, 0xe6, 0x9a, 0xf3, 0x2e, 0x83, 0xff, 0xcc, 0xc4, 0x45, 0xa3,
+	0xad, 0x9f, 0xbe, 0xf4, 0x38, 0x31, 0xc8, 0x6c, 0xbc, 0x48, 0x49, 0x2c,
+	0x58, 0xb0, 0x40, 0xe0, 0x25, 0x4a, 0x25, 0xff, 0x59, 0x54, 0x90, 0xf6,
+	0x14, 0xaa, 0x8b, 0x7f, 0x1e, 0x85, 0xf7, 0x12, 0x89, 0xc3, 0x87, 0x0f,
+	0x0b, 0x99, 0x2f, 0x8f, 0x28, 0x64, 0x43, 0x56, 0x9e, 0xe7, 0x9f, 0x47,
+	0x67, 0x95, 0x75, 0xdd, 0xfd, 0x0c, 0x39, 0x51, 0x47, 0xb1, 0x69, 0xbf,
+	0x34, 0x0e, 0x96, 0xbb, 0xb2, 0x5a, 0x64, 0x46, 0xad, 0x09, 0x82, 0xd8,
+	0x7d, 0x09, 0xc8, 0x99, 0xa7, 0x78, 0xfd, 0x04, 0xd8, 0x15, 0x7c, 0x80,
+	0x9d, 0x2b, 0xd0, 0x4e, 0x76, 0x82, 0xd9, 0x2a, 0x8d, 0xc0, 0x4b, 0x58,
+	0xc7, 0xe7, 0xd7, 0x3d, 0x1f, 0xfa, 0xf1, 0xbb, 0xa2, 0xb1, 0x01, 0x95,
+	0xbd, 0x07, 0x9d, 0x01, 0x35, 0xa2, 0x3e, 0x02, 0xbc, 0xf0, 0xfb, 0x6b,
+	0xd0, 0x66, 0x32, 0x00, 0xa4, 0xbe, 0x4b, 0x00, 0xf5, 0x9b, 0xdf, 0xfa,
+	0xb6, 0x63, 0x40, 0x8e, 0xc8, 0x95, 0x14, 0xe1, 0x6b, 0xb3, 0x9e, 0x40,
+	0x0d, 0x51, 0x6a, 0x62, 0x40, 0x6e, 0xc8, 0x91, 0x54, 0xf9, 0x14, 0xb5,
+	0x9b, 0x00, 0x50, 0x13, 0x03, 0x72, 0x13, 0x8a, 0xfc, 0x1e, 0xad, 0x98,
+	0x20, 0x50, 0x0b, 0x03, 0x72, 0x12, 0x9a, 0xf0, 0x6e, 0x80, 0xef, 0x51,
+	0x35, 0x41, 0xa0, 0x06, 0x06, 0xe4, 0x22, 0xf4, 0x3b, 0x34, 0xfe, 0xe5,
+	0xc8, 0x5d, 0x13, 0x04, 0x91, 0x7f, 0x09, 0xc8, 0x01, 0xb9, 0x88, 0x44,
+	0x78, 0xc1, 0x51, 0x0f, 0x35, 0x3d, 0x41, 0x34, 0x18, 0x10, 0x7b, 0xe9,
+	0x17, 0x7d, 0x5e, 0x91, 0x35, 0x09, 0x05, 0xcc, 0x9d, 0x41, 0xf8, 0x01,
+	0x40, 0xcc, 0x89, 0xbd, 0x12, 0x52, 0x0d, 0x2b, 0xbe, 0x87, 0x9a, 0x9e,
+	0x20, 0x1c, 0x0c, 0x88, 0x35, 0x31, 0x57, 0x4a, 0x3e, 0x81, 0x35, 0x26,
+	0x08, 0xe4, 0x07, 0x00, 0x31, 0x26, 0xd6, 0x4a, 0x4a, 0x35, 0xac, 0x8a,
+	0x6c, 0x29, 0x19, 0xda, 0xd6, 0xbd, 0x07, 0x22, 0xb6, 0xc4, 0x58, 0x69,
+	0xe1, 0x8b, 0xfc, 0xef, 0x41, 0x75, 0x27, 0x23, 0x6c, 0xff, 0x88, 0xa9,
+	0xbf, 0x3f, 0x49, 0x50, 0x20, 0x3c, 0xde, 0x87, 0x0d, 0x91, 0x3f, 0x67,
+	0xa8, 0x51, 0x10, 0x12, 0x4b, 0x62, 0x1a, 0x2b, 0xe1, 0x6a, 0xa2, 0x5a,
+	0x68, 0xd8, 0xdf, 0x14, 0xdd, 0xda, 0x23, 0x86, 0xc4, 0x32, 0x96, 0xc2,
+	0xe9, 0xe6, 0x2f, 0xa0, 0x6f, 0xa0, 0xba, 0x11, 0x23, 0xdb, 0x1f, 0x62,
+	0x46, 0xec, 0xfc, 0x4e, 0xd9, 0xa3, 0xa8, 0xba, 0x52, 0x0d, 0xd3, 0xf8,
+	0x4c, 0x9a, 0x6c, 0xd0, 0x74, 0xa9, 0x9f, 0x58, 0x11, 0x33, 0xad, 0xa4,
+	0x2f, 0xbc, 0xf9, 0x0a, 0xaa, 0x0b, 0x49, 0xb2, 0xfc, 0x20, 0x46, 0xc4,
+	0x4a, 0x4b, 0x29, 0x83, 0x57, 0xab, 0xa0, 0xdf, 0x41, 0x65, 0x01, 0x18,
+	0xd7, 0x7a, 0x89, 0x09, 0xb1, 0x21, 0x46, 0xda, 0x0b, 0x23, 0xfc, 0x0f,
+	0xd0, 0xb7, 0xd0, 0xb8, 0x12, 0x16, 0x94, 0xdd, 0xc4, 0x80, 0x58, 0x68,
+	0xfb, 0xad, 0x87, 0x6f, 0xae, 0x52, 0x89, 0x9c, 0x24, 0x4f, 0x2b, 0xd3,
+	0x77, 0x62, 0x90, 0x68, 0xe1, 0x13, 0xca, 0x9f, 0x43, 0xbf, 0x85, 0x06,
+	0xf5, 0xad, 0x52, 0xbd, 0x1e, 0xfa, 0x4a, 0x9f, 0xe9, 0xbb, 0x91, 0x34,
+	0x02, 0xbc, 0xdd, 0xf9, 0x29, 0x94, 0xcb, 0xcf, 0x55, 0x27, 0xb0, 0x54,
+	0xfb, 0xe8, 0x1b, 0x7d, 0xd4, 0xe2, 0xd6, 0x0e, 0x7e, 0x48, 0x93, 0x8f,
+	0x51, 0xf3, 0x69, 0x68, 0xa9, 0x40, 0xab, 0x76, 0x1e, 0x7d, 0xa1, 0x4f,
+	0x46, 0x8a, 0x44, 0xe0, 0x23, 0x94, 0xff, 0x2d, 0x94, 0xff, 0xe2, 0xac,
+	0x1a, 0xa9, 0x5e, 0xf6, 0xd0, 0x66, 0xda, 0x4e, 0x1f, 0x8c, 0xb4, 0x11,
+	0x01, 0x76, 0x99, 0x35, 0xd0, 0xdd, 0xd0, 0xa7, 0x50, 0x2f, 0xf0, 0xa3,
+	0xca, 0xa7, 0x6d, 0xb4, 0x91, 0xb6, 0xc6, 0xa2, 0x9b, 0x8f, 0xe3, 0x3d,
+	0x67, 0x37, 0x80, 0x3b, 0x0b, 0x3a, 0x33, 0xad, 0x1f, 0x62, 0x1b, 0xd5,
+	0xc5, 0x14, 0x6f, 0xe1, 0xae, 0x42, 0x6b, 0xd3, 0x7a, 0x12, 0x5b, 0xfe,
+	0x01, 0x47, 0x6c, 0x24, 0x8e, 0x01, 0x90, 0x0f, 0x2e, 0x27, 0x4a, 0xaa,
+	0xa0, 0x0c, 0x08, 0xde, 0x52, 0x55, 0x40, 0x65, 0x4d, 0x9e, 0xf0, 0x2f,
+	0xf6, 0xf8, 0xb8, 0x3c, 0xdf, 0xb4, 0x4d, 0xd2, 0xbf, 0x86, 0x32, 0x2d,
+	0xb6, 0xa2, 0x43, 0x00, 0x38, 0x81, 0xcf, 0x41, 0x15, 0x06, 0x02, 0x17,
+	0x4c, 0x72, 0x3b, 0x02, 0xca, 0x77, 0xe4, 0x74, 0x87, 0x96, 0xa7, 0xd5,
+	0xde, 0xc7, 0xa1, 0xf5, 0x26, 0x14, 0x76, 0xdf, 0x7c, 0x23, 0x0a, 0x95,
+	0xfb, 0x5c, 0x7c, 0x71, 0x07, 0x4a, 0xc2, 0x6f, 0xa5, 0xb7, 0x7c, 0x46,
+	0x52, 0x2b, 0xf9, 0x3f, 0x92, 0xc9, 0x00, 0xb6, 0x61, 0xee, 0xab, 0xc9,
+	0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/builtin.go b/vendor/github.com/mattermost/mattermost-server/v5/model/builtin.go
new file mode 100644
index 00000000..38e01f8b
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/builtin.go
@@ -0,0 +1,9 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+func NewBool(b bool) *bool       { return &b }
+func NewInt(n int) *int          { return &n }
+func NewInt64(n int64) *int64    { return &n }
+func NewString(s string) *string { return &s }
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/bundle_info.go b/vendor/github.com/mattermost/mattermost-server/v5/model/bundle_info.go
new file mode 100644
index 00000000..429e1c3d
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/bundle_info.go
@@ -0,0 +1,32 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "github.com/mattermost/mattermost-server/v5/mlog"
+
+type BundleInfo struct {
+	Path string
+
+	Manifest      *Manifest
+	ManifestPath  string
+	ManifestError error
+}
+
+func (b *BundleInfo) WrapLogger(logger *mlog.Logger) *mlog.Logger {
+	if b.Manifest != nil {
+		return logger.With(mlog.String("plugin_id", b.Manifest.Id))
+	}
+	return logger.With(mlog.String("plugin_path", b.Path))
+}
+
+// Returns bundle info for the given path. The return value is never nil.
+func BundleInfoForPath(path string) *BundleInfo {
+	m, mpath, err := FindManifest(path)
+	return &BundleInfo{
+		Path:          path,
+		Manifest:      m,
+		ManifestPath:  mpath,
+		ManifestError: err,
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel.go
new file mode 100644
index 00000000..6a84b355
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel.go
@@ -0,0 +1,364 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"encoding/json"
+	"io"
+	"net/http"
+	"sort"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	CHANNEL_OPEN                   = "O"
+	CHANNEL_PRIVATE                = "P"
+	CHANNEL_DIRECT                 = "D"
+	CHANNEL_GROUP                  = "G"
+	CHANNEL_GROUP_MAX_USERS        = 8
+	CHANNEL_GROUP_MIN_USERS        = 3
+	DEFAULT_CHANNEL                = "town-square"
+	CHANNEL_DISPLAY_NAME_MAX_RUNES = 64
+	CHANNEL_NAME_MIN_LENGTH        = 2
+	CHANNEL_NAME_MAX_LENGTH        = 64
+	CHANNEL_HEADER_MAX_RUNES       = 1024
+	CHANNEL_PURPOSE_MAX_RUNES      = 250
+	CHANNEL_CACHE_SIZE             = 25000
+
+	CHANNEL_SORT_BY_USERNAME = "username"
+	CHANNEL_SORT_BY_STATUS   = "status"
+)
+
+type Channel struct {
+	Id               string                 `json:"id"`
+	CreateAt         int64                  `json:"create_at"`
+	UpdateAt         int64                  `json:"update_at"`
+	DeleteAt         int64                  `json:"delete_at"`
+	TeamId           string                 `json:"team_id"`
+	Type             string                 `json:"type"`
+	DisplayName      string                 `json:"display_name"`
+	Name             string                 `json:"name"`
+	Header           string                 `json:"header"`
+	Purpose          string                 `json:"purpose"`
+	LastPostAt       int64                  `json:"last_post_at"`
+	TotalMsgCount    int64                  `json:"total_msg_count"`
+	ExtraUpdateAt    int64                  `json:"extra_update_at"`
+	CreatorId        string                 `json:"creator_id"`
+	SchemeId         *string                `json:"scheme_id"`
+	Props            map[string]interface{} `json:"props" db:"-"`
+	GroupConstrained *bool                  `json:"group_constrained"`
+}
+
+type ChannelWithTeamData struct {
+	Channel
+	TeamDisplayName string `json:"team_display_name"`
+	TeamName        string `json:"team_name"`
+	TeamUpdateAt    int64  `json:"team_update_at"`
+}
+
+type ChannelsWithCount struct {
+	Channels   *ChannelListWithTeamData `json:"channels"`
+	TotalCount int64                    `json:"total_count"`
+}
+
+type ChannelPatch struct {
+	DisplayName      *string `json:"display_name"`
+	Name             *string `json:"name"`
+	Header           *string `json:"header"`
+	Purpose          *string `json:"purpose"`
+	GroupConstrained *bool   `json:"group_constrained"`
+}
+
+type ChannelForExport struct {
+	Channel
+	TeamName   string
+	SchemeName *string
+}
+
+type DirectChannelForExport struct {
+	Channel
+	Members *[]string
+}
+
+type ChannelModeration struct {
+	Name  string                 `json:"name"`
+	Roles *ChannelModeratedRoles `json:"roles"`
+}
+
+type ChannelModeratedRoles struct {
+	Guests  *ChannelModeratedRole `json:"guests"`
+	Members *ChannelModeratedRole `json:"members"`
+}
+
+type ChannelModeratedRole struct {
+	Value   bool `json:"value"`
+	Enabled bool `json:"enabled"`
+}
+
+type ChannelModerationPatch struct {
+	Name  *string                     `json:"name"`
+	Roles *ChannelModeratedRolesPatch `json:"roles"`
+}
+
+type ChannelModeratedRolesPatch struct {
+	Guests  *bool `json:"guests"`
+	Members *bool `json:"members"`
+}
+
+// ChannelSearchOpts contains options for searching channels.
+//
+// NotAssociatedToGroup will exclude channels that have associated, active GroupChannels records.
+// ExcludeDefaultChannels will exclude the configured default channels (ex 'town-square' and 'off-topic').
+// IncludeDeleted will include channel records where DeleteAt != 0.
+// ExcludeChannelNames will exclude channels from the results by name.
+// Paginate whether to paginate the results.
+// Page page requested, if results are paginated.
+// PerPage number of results per page, if paginated.
+//
+type ChannelSearchOpts struct {
+	NotAssociatedToGroup   string
+	ExcludeDefaultChannels bool
+	IncludeDeleted         bool
+	ExcludeChannelNames    []string
+	Page                   *int
+	PerPage                *int
+}
+
+type ChannelMemberCountByGroup struct {
+	GroupId                     string `db:"-" json:"group_id"`
+	ChannelMemberCount          int64  `db:"-" json:"channel_member_count"`
+	ChannelMemberTimezonesCount int64  `db:"-" json:"channel_member_timezones_count"`
+}
+
+func (o *Channel) DeepCopy() *Channel {
+	copy := *o
+	if copy.SchemeId != nil {
+		copy.SchemeId = NewString(*o.SchemeId)
+	}
+	return &copy
+}
+
+func (o *Channel) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *ChannelPatch) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *ChannelsWithCount) ToJson() []byte {
+	b, _ := json.Marshal(o)
+	return b
+}
+
+func ChannelsWithCountFromJson(data io.Reader) *ChannelsWithCount {
+	var o *ChannelsWithCount
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelFromJson(data io.Reader) *Channel {
+	var o *Channel
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelPatchFromJson(data io.Reader) *ChannelPatch {
+	var o *ChannelPatch
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelModerationsFromJson(data io.Reader) []*ChannelModeration {
+	var o []*ChannelModeration
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelModerationsPatchFromJson(data io.Reader) []*ChannelModerationPatch {
+	var o []*ChannelModerationPatch
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelMemberCountsByGroupFromJson(data io.Reader) []*ChannelMemberCountByGroup {
+	var o []*ChannelMemberCountByGroup
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *Channel) Etag() string {
+	return Etag(o.Id, o.UpdateAt)
+}
+
+func (o *Channel) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.DisplayName) > CHANNEL_DISPLAY_NAME_MAX_RUNES {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.display_name.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidChannelIdentifier(o.Name) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.2_or_more.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !(o.Type == CHANNEL_OPEN || o.Type == CHANNEL_PRIVATE || o.Type == CHANNEL_DIRECT || o.Type == CHANNEL_GROUP) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.type.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Header) > CHANNEL_HEADER_MAX_RUNES {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.header.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Purpose) > CHANNEL_PURPOSE_MAX_RUNES {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.purpose.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.CreatorId) > 26 {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.creator_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	userIds := strings.Split(o.Name, "__")
+	if o.Type != CHANNEL_DIRECT && len(userIds) == 2 && IsValidId(userIds[0]) && IsValidId(userIds[1]) {
+		return NewAppError("Channel.IsValid", "model.channel.is_valid.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Channel) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+	o.ExtraUpdateAt = 0
+}
+
+func (o *Channel) PreUpdate() {
+	o.UpdateAt = GetMillis()
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+}
+
+func (o *Channel) IsGroupOrDirect() bool {
+	return o.Type == CHANNEL_DIRECT || o.Type == CHANNEL_GROUP
+}
+
+func (o *Channel) IsOpen() bool {
+	return o.Type == CHANNEL_OPEN
+}
+
+func (o *Channel) Patch(patch *ChannelPatch) {
+	if patch.DisplayName != nil {
+		o.DisplayName = *patch.DisplayName
+	}
+
+	if patch.Name != nil {
+		o.Name = *patch.Name
+	}
+
+	if patch.Header != nil {
+		o.Header = *patch.Header
+	}
+
+	if patch.Purpose != nil {
+		o.Purpose = *patch.Purpose
+	}
+
+	if patch.GroupConstrained != nil {
+		o.GroupConstrained = patch.GroupConstrained
+	}
+}
+
+func (o *Channel) MakeNonNil() {
+	if o.Props == nil {
+		o.Props = make(map[string]interface{})
+	}
+}
+
+func (o *Channel) AddProp(key string, value interface{}) {
+	o.MakeNonNil()
+
+	o.Props[key] = value
+}
+
+func (o *Channel) IsGroupConstrained() bool {
+	return o.GroupConstrained != nil && *o.GroupConstrained
+}
+
+func (o *Channel) GetOtherUserIdForDM(userId string) string {
+	if o.Type != CHANNEL_DIRECT {
+		return ""
+	}
+
+	userIds := strings.Split(o.Name, "__")
+
+	var otherUserId string
+
+	if userIds[0] != userIds[1] {
+		if userIds[0] == userId {
+			otherUserId = userIds[1]
+		} else {
+			otherUserId = userIds[0]
+		}
+	}
+
+	return otherUserId
+}
+
+func GetDMNameFromIds(userId1, userId2 string) string {
+	if userId1 > userId2 {
+		return userId2 + "__" + userId1
+	} else {
+		return userId1 + "__" + userId2
+	}
+}
+
+func GetGroupDisplayNameFromUsers(users []*User, truncate bool) string {
+	usernames := make([]string, len(users))
+	for index, user := range users {
+		usernames[index] = user.Username
+	}
+
+	sort.Strings(usernames)
+
+	name := strings.Join(usernames, ", ")
+
+	if truncate && len(name) > CHANNEL_NAME_MAX_LENGTH {
+		name = name[:CHANNEL_NAME_MAX_LENGTH]
+	}
+
+	return name
+}
+
+func GetGroupNameFromUserIds(userIds []string) string {
+	sort.Strings(userIds)
+
+	h := sha1.New()
+	for _, id := range userIds {
+		io.WriteString(h, id)
+	}
+
+	return hex.EncodeToString(h.Sum(nil))
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_count.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_count.go
new file mode 100644
index 00000000..11ddeec4
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_count.go
@@ -0,0 +1,54 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"io"
+	"sort"
+	"strconv"
+)
+
+type ChannelCounts struct {
+	Counts      map[string]int64 `json:"counts"`
+	UpdateTimes map[string]int64 `json:"update_times"`
+}
+
+func (o *ChannelCounts) Etag() string {
+
+	ids := []string{}
+	for id := range o.Counts {
+		ids = append(ids, id)
+	}
+	sort.Strings(ids)
+
+	str := ""
+	for _, id := range ids {
+		str += id + strconv.FormatInt(o.Counts[id], 10)
+	}
+
+	md5Counts := fmt.Sprintf("%x", md5.Sum([]byte(str)))
+
+	var update int64 = 0
+	for _, u := range o.UpdateTimes {
+		if u > update {
+			update = u
+		}
+	}
+
+	return Etag(md5Counts, update)
+}
+
+func (o *ChannelCounts) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelCountsFromJson(data io.Reader) *ChannelCounts {
+	var o *ChannelCounts
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_data.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_data.go
new file mode 100644
index 00000000..0a1e0d57
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_data.go
@@ -0,0 +1,34 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ChannelData struct {
+	Channel *Channel       `json:"channel"`
+	Member  *ChannelMember `json:"member"`
+}
+
+func (o *ChannelData) Etag() string {
+	var mt int64 = 0
+	if o.Member != nil {
+		mt = o.Member.LastUpdateAt
+	}
+
+	return Etag(o.Channel.Id, o.Channel.UpdateAt, o.Channel.LastPostAt, mt)
+}
+
+func (o *ChannelData) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelDataFromJson(data io.Reader) *ChannelData {
+	var o *ChannelData
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_list.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_list.go
new file mode 100644
index 00000000..b47077ae
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_list.go
@@ -0,0 +1,95 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ChannelList []*Channel
+
+func (o *ChannelList) ToJson() string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func (o *ChannelList) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *o {
+		if v.LastPostAt > t {
+			t = v.LastPostAt
+			id = v.Id
+		}
+
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		}
+
+	}
+
+	return Etag(id, t, delta, len(*o))
+}
+
+func ChannelListFromJson(data io.Reader) *ChannelList {
+	var o *ChannelList
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelSliceFromJson(data io.Reader) []*Channel {
+	var o []*Channel
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+type ChannelListWithTeamData []*ChannelWithTeamData
+
+func (o *ChannelListWithTeamData) ToJson() string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func (o *ChannelListWithTeamData) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+	var delta int64 = 0
+
+	for _, v := range *o {
+		if v.LastPostAt > t {
+			t = v.LastPostAt
+			id = v.Id
+		}
+
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		}
+
+		if v.TeamUpdateAt > t {
+			t = v.TeamUpdateAt
+			id = v.Id
+		}
+	}
+
+	return Etag(id, t, delta, len(*o))
+}
+
+func ChannelListWithTeamDataFromJson(data io.Reader) *ChannelListWithTeamData {
+	var o *ChannelListWithTeamData
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member.go
new file mode 100644
index 00000000..e38bfffe
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member.go
@@ -0,0 +1,194 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+)
+
+const (
+	CHANNEL_NOTIFY_DEFAULT              = "default"
+	CHANNEL_NOTIFY_ALL                  = "all"
+	CHANNEL_NOTIFY_MENTION              = "mention"
+	CHANNEL_NOTIFY_NONE                 = "none"
+	CHANNEL_MARK_UNREAD_ALL             = "all"
+	CHANNEL_MARK_UNREAD_MENTION         = "mention"
+	IGNORE_CHANNEL_MENTIONS_DEFAULT     = "default"
+	IGNORE_CHANNEL_MENTIONS_OFF         = "off"
+	IGNORE_CHANNEL_MENTIONS_ON          = "on"
+	IGNORE_CHANNEL_MENTIONS_NOTIFY_PROP = "ignore_channel_mentions"
+)
+
+type ChannelUnread struct {
+	TeamId       string    `json:"team_id"`
+	ChannelId    string    `json:"channel_id"`
+	MsgCount     int64     `json:"msg_count"`
+	MentionCount int64     `json:"mention_count"`
+	NotifyProps  StringMap `json:"-"`
+}
+
+type ChannelUnreadAt struct {
+	TeamId       string    `json:"team_id"`
+	UserId       string    `json:"user_id"`
+	ChannelId    string    `json:"channel_id"`
+	MsgCount     int64     `json:"msg_count"`
+	MentionCount int64     `json:"mention_count"`
+	LastViewedAt int64     `json:"last_viewed_at"`
+	NotifyProps  StringMap `json:"-"`
+}
+
+type ChannelMember struct {
+	ChannelId     string    `json:"channel_id"`
+	UserId        string    `json:"user_id"`
+	Roles         string    `json:"roles"`
+	LastViewedAt  int64     `json:"last_viewed_at"`
+	MsgCount      int64     `json:"msg_count"`
+	MentionCount  int64     `json:"mention_count"`
+	NotifyProps   StringMap `json:"notify_props"`
+	LastUpdateAt  int64     `json:"last_update_at"`
+	SchemeGuest   bool      `json:"scheme_guest"`
+	SchemeUser    bool      `json:"scheme_user"`
+	SchemeAdmin   bool      `json:"scheme_admin"`
+	ExplicitRoles string    `json:"explicit_roles"`
+}
+
+type ChannelMembers []ChannelMember
+
+type ChannelMemberForExport struct {
+	ChannelMember
+	ChannelName string
+	Username    string
+}
+
+func (o *ChannelMembers) ToJson() string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func (o *ChannelUnread) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *ChannelUnreadAt) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelMembersFromJson(data io.Reader) *ChannelMembers {
+	var o *ChannelMembers
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelUnreadFromJson(data io.Reader) *ChannelUnread {
+	var o *ChannelUnread
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func ChannelUnreadAtFromJson(data io.Reader) *ChannelUnreadAt {
+	var o *ChannelUnreadAt
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *ChannelMember) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelMemberFromJson(data io.Reader) *ChannelMember {
+	var o *ChannelMember
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *ChannelMember) IsValid() *AppError {
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	notifyLevel := o.NotifyProps[DESKTOP_NOTIFY_PROP]
+	if len(notifyLevel) > 20 || !IsChannelNotifyLevelValid(notifyLevel) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.notify_level.app_error", nil, "notify_level="+notifyLevel, http.StatusBadRequest)
+	}
+
+	markUnreadLevel := o.NotifyProps[MARK_UNREAD_NOTIFY_PROP]
+	if len(markUnreadLevel) > 20 || !IsChannelMarkUnreadLevelValid(markUnreadLevel) {
+		return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.unread_level.app_error", nil, "mark_unread_level="+markUnreadLevel, http.StatusBadRequest)
+	}
+
+	if pushLevel, ok := o.NotifyProps[PUSH_NOTIFY_PROP]; ok {
+		if len(pushLevel) > 20 || !IsChannelNotifyLevelValid(pushLevel) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.push_level.app_error", nil, "push_notification_level="+pushLevel, http.StatusBadRequest)
+		}
+	}
+
+	if sendEmail, ok := o.NotifyProps[EMAIL_NOTIFY_PROP]; ok {
+		if len(sendEmail) > 20 || !IsSendEmailValid(sendEmail) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.email_value.app_error", nil, "push_notification_level="+sendEmail, http.StatusBadRequest)
+		}
+	}
+
+	if ignoreChannelMentions, ok := o.NotifyProps[IGNORE_CHANNEL_MENTIONS_NOTIFY_PROP]; ok {
+		if len(ignoreChannelMentions) > 40 || !IsIgnoreChannelMentionsValid(ignoreChannelMentions) {
+			return NewAppError("ChannelMember.IsValid", "model.channel_member.is_valid.ignore_channel_mentions_value.app_error", nil, "ignore_channel_mentions="+ignoreChannelMentions, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *ChannelMember) PreSave() {
+	o.LastUpdateAt = GetMillis()
+}
+
+func (o *ChannelMember) PreUpdate() {
+	o.LastUpdateAt = GetMillis()
+}
+
+func (o *ChannelMember) GetRoles() []string {
+	return strings.Fields(o.Roles)
+}
+
+func IsChannelNotifyLevelValid(notifyLevel string) bool {
+	return notifyLevel == CHANNEL_NOTIFY_DEFAULT ||
+		notifyLevel == CHANNEL_NOTIFY_ALL ||
+		notifyLevel == CHANNEL_NOTIFY_MENTION ||
+		notifyLevel == CHANNEL_NOTIFY_NONE
+}
+
+func IsChannelMarkUnreadLevelValid(markUnreadLevel string) bool {
+	return markUnreadLevel == CHANNEL_MARK_UNREAD_ALL || markUnreadLevel == CHANNEL_MARK_UNREAD_MENTION
+}
+
+func IsSendEmailValid(sendEmail string) bool {
+	return sendEmail == CHANNEL_NOTIFY_DEFAULT || sendEmail == "true" || sendEmail == "false"
+}
+
+func IsIgnoreChannelMentionsValid(ignoreChannelMentions string) bool {
+	return ignoreChannelMentions == IGNORE_CHANNEL_MENTIONS_ON || ignoreChannelMentions == IGNORE_CHANNEL_MENTIONS_OFF || ignoreChannelMentions == IGNORE_CHANNEL_MENTIONS_DEFAULT
+}
+
+func GetDefaultChannelNotifyProps() StringMap {
+	return StringMap{
+		DESKTOP_NOTIFY_PROP:                 CHANNEL_NOTIFY_DEFAULT,
+		MARK_UNREAD_NOTIFY_PROP:             CHANNEL_MARK_UNREAD_ALL,
+		PUSH_NOTIFY_PROP:                    CHANNEL_NOTIFY_DEFAULT,
+		EMAIL_NOTIFY_PROP:                   CHANNEL_NOTIFY_DEFAULT,
+		IGNORE_CHANNEL_MENTIONS_NOTIFY_PROP: IGNORE_CHANNEL_MENTIONS_DEFAULT,
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history.go
new file mode 100644
index 00000000..b77e0ff9
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history.go
@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelMemberHistory struct {
+	ChannelId string
+	UserId    string
+	JoinTime  int64
+	LeaveTime *int64
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history_result.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history_result.go
new file mode 100644
index 00000000..6197d410
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_member_history_result.go
@@ -0,0 +1,16 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type ChannelMemberHistoryResult struct {
+	ChannelId string
+	UserId    string
+	JoinTime  int64
+	LeaveTime *int64
+
+	// these two fields are never set in the database - when we SELECT, we join on Users to get them
+	UserEmail string `db:"Email"`
+	Username  string
+	IsBot     bool
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_mentions.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_mentions.go
new file mode 100644
index 00000000..eb14e8ed
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_mentions.go
@@ -0,0 +1,28 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"strings"
+)
+
+var channelMentionRegexp = regexp.MustCompile(`\B~[a-zA-Z0-9\-_]+`)
+
+func ChannelMentions(message string) []string {
+	var names []string
+
+	if strings.Contains(message, "~") {
+		alreadyMentioned := make(map[string]bool)
+		for _, match := range channelMentionRegexp.FindAllString(message, -1) {
+			name := match[1:]
+			if !alreadyMentioned[name] {
+				names = append(names, name)
+				alreadyMentioned[name] = true
+			}
+		}
+	}
+
+	return names
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_search.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_search.go
new file mode 100644
index 00000000..2e994227
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_search.go
@@ -0,0 +1,32 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const CHANNEL_SEARCH_DEFAULT_LIMIT = 50
+
+type ChannelSearch struct {
+	Term                   string `json:"term"`
+	ExcludeDefaultChannels bool   `json:"exclude_default_channels"`
+	NotAssociatedToGroup   string `json:"not_associated_to_group"`
+	Page                   *int   `json:"page,omitempty"`
+	PerPage                *int   `json:"per_page,omitempty"`
+}
+
+// ToJson convert a Channel to a json string
+func (c *ChannelSearch) ToJson() string {
+	b, _ := json.Marshal(c)
+	return string(b)
+}
+
+// ChannelSearchFromJson will decode the input and return a Channel
+func ChannelSearchFromJson(data io.Reader) *ChannelSearch {
+	var cs *ChannelSearch
+	json.NewDecoder(data).Decode(&cs)
+	return cs
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_stats.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_stats.go
new file mode 100644
index 00000000..76f682aa
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_stats.go
@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ChannelStats struct {
+	ChannelId       string `json:"channel_id"`
+	MemberCount     int64  `json:"member_count"`
+	GuestCount      int64  `json:"guest_count"`
+	PinnedPostCount int64  `json:"pinnedpost_count"`
+}
+
+func (o *ChannelStats) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelStatsFromJson(data io.Reader) *ChannelStats {
+	var o *ChannelStats
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/channel_view.go b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_view.go
new file mode 100644
index 00000000..42fcac3a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/channel_view.go
@@ -0,0 +1,41 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ChannelView struct {
+	ChannelId     string `json:"channel_id"`
+	PrevChannelId string `json:"prev_channel_id"`
+}
+
+func (o *ChannelView) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelViewFromJson(data io.Reader) *ChannelView {
+	var o *ChannelView
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+type ChannelViewResponse struct {
+	Status            string           `json:"status"`
+	LastViewedAtTimes map[string]int64 `json:"last_viewed_at_times"`
+}
+
+func (o *ChannelViewResponse) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ChannelViewResponseFromJson(data io.Reader) *ChannelViewResponse {
+	var o *ChannelViewResponse
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/client4.go b/vendor/github.com/mattermost/mattermost-server/v5/model/client4.go
new file mode 100644
index 00000000..b522ecb8
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/client4.go
@@ -0,0 +1,5095 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+)
+
+const (
+	HEADER_REQUEST_ID         = "X-Request-ID"
+	HEADER_VERSION_ID         = "X-Version-ID"
+	HEADER_CLUSTER_ID         = "X-Cluster-ID"
+	HEADER_ETAG_SERVER        = "ETag"
+	HEADER_ETAG_CLIENT        = "If-None-Match"
+	HEADER_FORWARDED          = "X-Forwarded-For"
+	HEADER_REAL_IP            = "X-Real-IP"
+	HEADER_FORWARDED_PROTO    = "X-Forwarded-Proto"
+	HEADER_TOKEN              = "token"
+	HEADER_CSRF_TOKEN         = "X-CSRF-Token"
+	HEADER_BEARER             = "BEARER"
+	HEADER_AUTH               = "Authorization"
+	HEADER_REQUESTED_WITH     = "X-Requested-With"
+	HEADER_REQUESTED_WITH_XML = "XMLHttpRequest"
+	STATUS                    = "status"
+	STATUS_OK                 = "OK"
+	STATUS_FAIL               = "FAIL"
+	STATUS_UNHEALTHY          = "UNHEALTHY"
+	STATUS_REMOVE             = "REMOVE"
+
+	CLIENT_DIR = "client"
+
+	API_URL_SUFFIX_V1 = "/api/v1"
+	API_URL_SUFFIX_V4 = "/api/v4"
+	API_URL_SUFFIX    = API_URL_SUFFIX_V4
+)
+
+type Response struct {
+	StatusCode    int
+	Error         *AppError
+	RequestId     string
+	Etag          string
+	ServerVersion string
+	Header        http.Header
+}
+
+type Client4 struct {
+	Url        string       // The location of the server, for example  "http://localhost:8065"
+	ApiUrl     string       // The api location of the server, for example "http://localhost:8065/api/v4"
+	HttpClient *http.Client // The http client
+	AuthToken  string
+	AuthType   string
+	HttpHeader map[string]string // Headers to be copied over for each request
+}
+
+func closeBody(r *http.Response) {
+	if r.Body != nil {
+		_, _ = io.Copy(ioutil.Discard, r.Body)
+		_ = r.Body.Close()
+	}
+}
+
+// Must is a convenience function used for testing.
+func (c *Client4) Must(result interface{}, resp *Response) interface{} {
+	if resp.Error != nil {
+		time.Sleep(time.Second)
+		panic(resp.Error)
+	}
+
+	return result
+}
+
+func NewAPIv4Client(url string) *Client4 {
+	return &Client4{url, url + API_URL_SUFFIX, &http.Client{}, "", "", map[string]string{}}
+}
+
+func BuildErrorResponse(r *http.Response, err *AppError) *Response {
+	var statusCode int
+	var header http.Header
+	if r != nil {
+		statusCode = r.StatusCode
+		header = r.Header
+	} else {
+		statusCode = 0
+		header = make(http.Header)
+	}
+
+	return &Response{
+		StatusCode: statusCode,
+		Error:      err,
+		Header:     header,
+	}
+}
+
+func BuildResponse(r *http.Response) *Response {
+	return &Response{
+		StatusCode:    r.StatusCode,
+		RequestId:     r.Header.Get(HEADER_REQUEST_ID),
+		Etag:          r.Header.Get(HEADER_ETAG_SERVER),
+		ServerVersion: r.Header.Get(HEADER_VERSION_ID),
+		Header:        r.Header,
+	}
+}
+
+func (c *Client4) SetToken(token string) {
+	c.AuthToken = token
+	c.AuthType = HEADER_BEARER
+}
+
+// MockSession is deprecated in favour of SetToken
+func (c *Client4) MockSession(token string) {
+	c.SetToken(token)
+}
+
+func (c *Client4) SetOAuthToken(token string) {
+	c.AuthToken = token
+	c.AuthType = HEADER_TOKEN
+}
+
+func (c *Client4) ClearOAuthToken() {
+	c.AuthToken = ""
+	c.AuthType = HEADER_BEARER
+}
+
+func (c *Client4) GetUsersRoute() string {
+	return "/users"
+}
+
+func (c *Client4) GetUserRoute(userId string) string {
+	return fmt.Sprintf(c.GetUsersRoute()+"/%v", userId)
+}
+
+func (c *Client4) GetUserAccessTokensRoute() string {
+	return fmt.Sprintf(c.GetUsersRoute() + "/tokens")
+}
+
+func (c *Client4) GetUserAccessTokenRoute(tokenId string) string {
+	return fmt.Sprintf(c.GetUsersRoute()+"/tokens/%v", tokenId)
+}
+
+func (c *Client4) GetUserByUsernameRoute(userName string) string {
+	return fmt.Sprintf(c.GetUsersRoute()+"/username/%v", userName)
+}
+
+func (c *Client4) GetUserByEmailRoute(email string) string {
+	return fmt.Sprintf(c.GetUsersRoute()+"/email/%v", email)
+}
+
+func (c *Client4) GetBotsRoute() string {
+	return "/bots"
+}
+
+func (c *Client4) GetBotRoute(botUserId string) string {
+	return fmt.Sprintf("%s/%s", c.GetBotsRoute(), botUserId)
+}
+
+func (c *Client4) GetTeamsRoute() string {
+	return "/teams"
+}
+
+func (c *Client4) GetTeamRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamsRoute()+"/%v", teamId)
+}
+
+func (c *Client4) GetTeamAutoCompleteCommandsRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamsRoute()+"/%v/commands/autocomplete", teamId)
+}
+
+func (c *Client4) GetTeamByNameRoute(teamName string) string {
+	return fmt.Sprintf(c.GetTeamsRoute()+"/name/%v", teamName)
+}
+
+func (c *Client4) GetTeamMemberRoute(teamId, userId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId)+"/members/%v", userId)
+}
+
+func (c *Client4) GetTeamMembersRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId) + "/members")
+}
+
+func (c *Client4) GetTeamStatsRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId) + "/stats")
+}
+
+func (c *Client4) GetTeamImportRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId) + "/import")
+}
+
+func (c *Client4) GetChannelsRoute() string {
+	return "/channels"
+}
+
+func (c *Client4) GetChannelsForTeamRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId) + "/channels")
+}
+
+func (c *Client4) GetChannelRoute(channelId string) string {
+	return fmt.Sprintf(c.GetChannelsRoute()+"/%v", channelId)
+}
+
+func (c *Client4) GetChannelByNameRoute(channelName, teamId string) string {
+	return fmt.Sprintf(c.GetTeamRoute(teamId)+"/channels/name/%v", channelName)
+}
+
+func (c *Client4) GetChannelsForTeamForUserRoute(teamId, userId string, includeDeleted bool) string {
+	route := fmt.Sprintf(c.GetUserRoute(userId) + c.GetTeamRoute(teamId) + "/channels")
+	if includeDeleted {
+		query := fmt.Sprintf("?include_deleted=%v", includeDeleted)
+		return route + query
+	}
+	return route
+}
+
+func (c *Client4) GetChannelByNameForTeamNameRoute(channelName, teamName string) string {
+	return fmt.Sprintf(c.GetTeamByNameRoute(teamName)+"/channels/name/%v", channelName)
+}
+
+func (c *Client4) GetChannelMembersRoute(channelId string) string {
+	return fmt.Sprintf(c.GetChannelRoute(channelId) + "/members")
+}
+
+func (c *Client4) GetChannelMemberRoute(channelId, userId string) string {
+	return fmt.Sprintf(c.GetChannelMembersRoute(channelId)+"/%v", userId)
+}
+
+func (c *Client4) GetPostsRoute() string {
+	return "/posts"
+}
+
+func (c *Client4) GetPostsEphemeralRoute() string {
+	return "/posts/ephemeral"
+}
+
+func (c *Client4) GetConfigRoute() string {
+	return "/config"
+}
+
+func (c *Client4) GetLicenseRoute() string {
+	return "/license"
+}
+
+func (c *Client4) GetPostRoute(postId string) string {
+	return fmt.Sprintf(c.GetPostsRoute()+"/%v", postId)
+}
+
+func (c *Client4) GetFilesRoute() string {
+	return "/files"
+}
+
+func (c *Client4) GetFileRoute(fileId string) string {
+	return fmt.Sprintf(c.GetFilesRoute()+"/%v", fileId)
+}
+
+func (c *Client4) GetPluginsRoute() string {
+	return "/plugins"
+}
+
+func (c *Client4) GetPluginRoute(pluginId string) string {
+	return fmt.Sprintf(c.GetPluginsRoute()+"/%v", pluginId)
+}
+
+func (c *Client4) GetSystemRoute() string {
+	return "/system"
+}
+
+func (c *Client4) GetTestEmailRoute() string {
+	return "/email/test"
+}
+
+func (c *Client4) GetTestSiteURLRoute() string {
+	return "/site_url/test"
+}
+
+func (c *Client4) GetTestS3Route() string {
+	return "/file/s3_test"
+}
+
+func (c *Client4) GetDatabaseRoute() string {
+	return "/database"
+}
+
+func (c *Client4) GetCacheRoute() string {
+	return "/caches"
+}
+
+func (c *Client4) GetClusterRoute() string {
+	return "/cluster"
+}
+
+func (c *Client4) GetIncomingWebhooksRoute() string {
+	return "/hooks/incoming"
+}
+
+func (c *Client4) GetIncomingWebhookRoute(hookID string) string {
+	return fmt.Sprintf(c.GetIncomingWebhooksRoute()+"/%v", hookID)
+}
+
+func (c *Client4) GetComplianceReportsRoute() string {
+	return "/compliance/reports"
+}
+
+func (c *Client4) GetComplianceReportRoute(reportId string) string {
+	return fmt.Sprintf("/compliance/reports/%v", reportId)
+}
+
+func (c *Client4) GetOutgoingWebhooksRoute() string {
+	return "/hooks/outgoing"
+}
+
+func (c *Client4) GetOutgoingWebhookRoute(hookID string) string {
+	return fmt.Sprintf(c.GetOutgoingWebhooksRoute()+"/%v", hookID)
+}
+
+func (c *Client4) GetPreferencesRoute(userId string) string {
+	return fmt.Sprintf(c.GetUserRoute(userId) + "/preferences")
+}
+
+func (c *Client4) GetUserStatusRoute(userId string) string {
+	return fmt.Sprintf(c.GetUserRoute(userId) + "/status")
+}
+
+func (c *Client4) GetUserStatusesRoute() string {
+	return fmt.Sprintf(c.GetUsersRoute() + "/status")
+}
+
+func (c *Client4) GetSamlRoute() string {
+	return "/saml"
+}
+
+func (c *Client4) GetLdapRoute() string {
+	return "/ldap"
+}
+
+func (c *Client4) GetBrandRoute() string {
+	return "/brand"
+}
+
+func (c *Client4) GetDataRetentionRoute() string {
+	return "/data_retention"
+}
+
+func (c *Client4) GetElasticsearchRoute() string {
+	return "/elasticsearch"
+}
+
+func (c *Client4) GetBleveRoute() string {
+	return "/bleve"
+}
+
+func (c *Client4) GetCommandsRoute() string {
+	return "/commands"
+}
+
+func (c *Client4) GetCommandRoute(commandId string) string {
+	return fmt.Sprintf(c.GetCommandsRoute()+"/%v", commandId)
+}
+
+func (c *Client4) GetCommandMoveRoute(commandId string) string {
+	return fmt.Sprintf(c.GetCommandsRoute()+"/%v/move", commandId)
+}
+
+func (c *Client4) GetEmojisRoute() string {
+	return "/emoji"
+}
+
+func (c *Client4) GetEmojiRoute(emojiId string) string {
+	return fmt.Sprintf(c.GetEmojisRoute()+"/%v", emojiId)
+}
+
+func (c *Client4) GetEmojiByNameRoute(name string) string {
+	return fmt.Sprintf(c.GetEmojisRoute()+"/name/%v", name)
+}
+
+func (c *Client4) GetReactionsRoute() string {
+	return "/reactions"
+}
+
+func (c *Client4) GetOAuthAppsRoute() string {
+	return "/oauth/apps"
+}
+
+func (c *Client4) GetOAuthAppRoute(appId string) string {
+	return fmt.Sprintf("/oauth/apps/%v", appId)
+}
+
+func (c *Client4) GetOpenGraphRoute() string {
+	return "/opengraph"
+}
+
+func (c *Client4) GetJobsRoute() string {
+	return "/jobs"
+}
+
+func (c *Client4) GetRolesRoute() string {
+	return "/roles"
+}
+
+func (c *Client4) GetSchemesRoute() string {
+	return "/schemes"
+}
+
+func (c *Client4) GetSchemeRoute(id string) string {
+	return c.GetSchemesRoute() + fmt.Sprintf("/%v", id)
+}
+
+func (c *Client4) GetAnalyticsRoute() string {
+	return "/analytics"
+}
+
+func (c *Client4) GetTimezonesRoute() string {
+	return fmt.Sprintf(c.GetSystemRoute() + "/timezones")
+}
+
+func (c *Client4) GetChannelSchemeRoute(channelId string) string {
+	return fmt.Sprintf(c.GetChannelsRoute()+"/%v/scheme", channelId)
+}
+
+func (c *Client4) GetTeamSchemeRoute(teamId string) string {
+	return fmt.Sprintf(c.GetTeamsRoute()+"/%v/scheme", teamId)
+}
+
+func (c *Client4) GetTotalUsersStatsRoute() string {
+	return fmt.Sprintf(c.GetUsersRoute() + "/stats")
+}
+
+func (c *Client4) GetRedirectLocationRoute() string {
+	return "/redirect_location"
+}
+
+func (c *Client4) GetServerBusyRoute() string {
+	return "/server_busy"
+}
+
+func (c *Client4) GetUserTermsOfServiceRoute(userId string) string {
+	return c.GetUserRoute(userId) + "/terms_of_service"
+}
+
+func (c *Client4) GetTermsOfServiceRoute() string {
+	return "/terms_of_service"
+}
+
+func (c *Client4) GetGroupsRoute() string {
+	return "/groups"
+}
+
+func (c *Client4) GetGroupRoute(groupID string) string {
+	return fmt.Sprintf("%s/%s", c.GetGroupsRoute(), groupID)
+}
+
+func (c *Client4) GetGroupSyncableRoute(groupID, syncableID string, syncableType GroupSyncableType) string {
+	return fmt.Sprintf("%s/%ss/%s", c.GetGroupRoute(groupID), strings.ToLower(syncableType.String()), syncableID)
+}
+
+func (c *Client4) GetGroupSyncablesRoute(groupID string, syncableType GroupSyncableType) string {
+	return fmt.Sprintf("%s/%ss", c.GetGroupRoute(groupID), strings.ToLower(syncableType.String()))
+}
+
+func (c *Client4) DoApiGet(url string, etag string) (*http.Response, *AppError) {
+	return c.DoApiRequest(http.MethodGet, c.ApiUrl+url, "", etag)
+}
+
+func (c *Client4) DoApiPost(url string, data string) (*http.Response, *AppError) {
+	return c.DoApiRequest(http.MethodPost, c.ApiUrl+url, data, "")
+}
+
+func (c *Client4) doApiPostBytes(url string, data []byte) (*http.Response, *AppError) {
+	return c.doApiRequestBytes(http.MethodPost, c.ApiUrl+url, data, "")
+}
+
+func (c *Client4) DoApiPut(url string, data string) (*http.Response, *AppError) {
+	return c.DoApiRequest(http.MethodPut, c.ApiUrl+url, data, "")
+}
+
+func (c *Client4) doApiPutBytes(url string, data []byte) (*http.Response, *AppError) {
+	return c.doApiRequestBytes(http.MethodPut, c.ApiUrl+url, data, "")
+}
+
+func (c *Client4) DoApiDelete(url string) (*http.Response, *AppError) {
+	return c.DoApiRequest(http.MethodDelete, c.ApiUrl+url, "", "")
+}
+
+func (c *Client4) DoApiRequest(method, url, data, etag string) (*http.Response, *AppError) {
+	return c.doApiRequestReader(method, url, strings.NewReader(data), etag)
+}
+
+func (c *Client4) doApiRequestBytes(method, url string, data []byte, etag string) (*http.Response, *AppError) {
+	return c.doApiRequestReader(method, url, bytes.NewReader(data), etag)
+}
+
+func (c *Client4) doApiRequestReader(method, url string, data io.Reader, etag string) (*http.Response, *AppError) {
+	rq, err := http.NewRequest(method, url, data)
+	if err != nil {
+		return nil, NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	if len(etag) > 0 {
+		rq.Header.Set(HEADER_ETAG_CLIENT, etag)
+	}
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	if c.HttpHeader != nil && len(c.HttpHeader) > 0 {
+		for k, v := range c.HttpHeader {
+			rq.Header.Set(k, v)
+		}
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), 0)
+	}
+
+	if rp.StatusCode == 304 {
+		return rp, nil
+	}
+
+	if rp.StatusCode >= 300 {
+		defer closeBody(rp)
+		return rp, AppErrorFromJson(rp.Body)
+	}
+
+	return rp, nil
+}
+
+func (c *Client4) DoUploadFile(url string, data []byte, contentType string) (*FileUploadResponse, *Response) {
+	return c.doUploadFile(url, bytes.NewReader(data), contentType, 0)
+}
+
+func (c *Client4) doUploadFile(url string, body io.Reader, contentType string, contentLength int64) (*FileUploadResponse, *Response) {
+	rq, err := http.NewRequest("POST", c.ApiUrl+url, body)
+	if err != nil {
+		return nil, &Response{Error: NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	if contentLength != 0 {
+		rq.ContentLength = contentLength
+	}
+	rq.Header.Set("Content-Type", contentType)
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, BuildErrorResponse(rp, NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), 0))
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return FileUploadResponseFromJson(rp.Body), BuildResponse(rp)
+}
+
+func (c *Client4) DoEmojiUploadFile(url string, data []byte, contentType string) (*Emoji, *Response) {
+	rq, err := http.NewRequest("POST", c.ApiUrl+url, bytes.NewReader(data))
+	if err != nil {
+		return nil, &Response{Error: NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", contentType)
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, BuildErrorResponse(rp, NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), 0))
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return EmojiFromJson(rp.Body), BuildResponse(rp)
+}
+
+func (c *Client4) DoUploadImportTeam(url string, data []byte, contentType string) (map[string]string, *Response) {
+	rq, err := http.NewRequest("POST", c.ApiUrl+url, bytes.NewReader(data))
+	if err != nil {
+		return nil, &Response{Error: NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", contentType)
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, BuildErrorResponse(rp, NewAppError(url, "model.client.connecting.app_error", nil, err.Error(), 0))
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return MapFromJson(rp.Body), BuildResponse(rp)
+}
+
+// CheckStatusOK is a convenience function for checking the standard OK response
+// from the web service.
+func CheckStatusOK(r *http.Response) bool {
+	m := MapFromJson(r.Body)
+	defer closeBody(r)
+
+	if m != nil && m[STATUS] == STATUS_OK {
+		return true
+	}
+
+	return false
+}
+
+// Authentication Section
+
+// LoginById authenticates a user by user id and password.
+func (c *Client4) LoginById(id string, password string) (*User, *Response) {
+	m := make(map[string]string)
+	m["id"] = id
+	m["password"] = password
+	return c.login(m)
+}
+
+// Login authenticates a user by login id, which can be username, email or some sort
+// of SSO identifier based on server configuration, and a password.
+func (c *Client4) Login(loginId string, password string) (*User, *Response) {
+	m := make(map[string]string)
+	m["login_id"] = loginId
+	m["password"] = password
+	return c.login(m)
+}
+
+// LoginByLdap authenticates a user by LDAP id and password.
+func (c *Client4) LoginByLdap(loginId string, password string) (*User, *Response) {
+	m := make(map[string]string)
+	m["login_id"] = loginId
+	m["password"] = password
+	m["ldap_only"] = "true"
+	return c.login(m)
+}
+
+// LoginWithDevice authenticates a user by login id (username, email or some sort
+// of SSO identifier based on configuration), password and attaches a device id to
+// the session.
+func (c *Client4) LoginWithDevice(loginId string, password string, deviceId string) (*User, *Response) {
+	m := make(map[string]string)
+	m["login_id"] = loginId
+	m["password"] = password
+	m["device_id"] = deviceId
+	return c.login(m)
+}
+
+// LoginWithMFA logs a user in with a MFA token
+func (c *Client4) LoginWithMFA(loginId, password, mfaToken string) (*User, *Response) {
+	m := make(map[string]string)
+	m["login_id"] = loginId
+	m["password"] = password
+	m["token"] = mfaToken
+	return c.login(m)
+}
+
+func (c *Client4) login(m map[string]string) (*User, *Response) {
+	r, err := c.DoApiPost("/users/login", MapToJson(m))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	c.AuthToken = r.Header.Get(HEADER_TOKEN)
+	c.AuthType = HEADER_BEARER
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// Logout terminates the current user's session.
+func (c *Client4) Logout() (bool, *Response) {
+	r, err := c.DoApiPost("/users/logout", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	c.AuthToken = ""
+	c.AuthType = HEADER_BEARER
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SwitchAccountType changes a user's login type from one type to another.
+func (c *Client4) SwitchAccountType(switchRequest *SwitchRequest) (string, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/login/switch", switchRequest.ToJson())
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["follow_link"], BuildResponse(r)
+}
+
+// User Section
+
+// CreateUser creates a user in the system based on the provided user struct.
+func (c *Client4) CreateUser(user *User) (*User, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute(), user.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateUserWithToken creates a user in the system based on the provided tokenId.
+func (c *Client4) CreateUserWithToken(user *User, tokenId string) (*User, *Response) {
+	if tokenId == "" {
+		err := NewAppError("MissingHashOrData", "api.user.create_user.missing_token.app_error", nil, "", http.StatusBadRequest)
+		return nil, &Response{StatusCode: err.StatusCode, Error: err}
+	}
+
+	query := fmt.Sprintf("?t=%v", tokenId)
+	r, err := c.DoApiPost(c.GetUsersRoute()+query, user.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateUserWithInviteId creates a user in the system based on the provided invited id.
+func (c *Client4) CreateUserWithInviteId(user *User, inviteId string) (*User, *Response) {
+	if inviteId == "" {
+		err := NewAppError("MissingInviteId", "api.user.create_user.missing_invite_id.app_error", nil, "", http.StatusBadRequest)
+		return nil, &Response{StatusCode: err.StatusCode, Error: err}
+	}
+
+	query := fmt.Sprintf("?iid=%v", url.QueryEscape(inviteId))
+	r, err := c.DoApiPost(c.GetUsersRoute()+query, user.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// GetMe returns the logged in user.
+func (c *Client4) GetMe(etag string) (*User, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(ME), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUser returns a user based on the provided user id string.
+func (c *Client4) GetUser(userId, etag string) (*User, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserByUsername returns a user based on the provided user name string.
+func (c *Client4) GetUserByUsername(userName, etag string) (*User, *Response) {
+	r, err := c.DoApiGet(c.GetUserByUsernameRoute(userName), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserByEmail returns a user based on the provided user email string.
+func (c *Client4) GetUserByEmail(email, etag string) (*User, *Response) {
+	r, err := c.DoApiGet(c.GetUserByEmailRoute(email), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// AutocompleteUsersInTeam returns the users on a team based on search term.
+func (c *Client4) AutocompleteUsersInTeam(teamId string, username string, limit int, etag string) (*UserAutocomplete, *Response) {
+	query := fmt.Sprintf("?in_team=%v&name=%v&limit=%d", teamId, username, limit)
+	r, err := c.DoApiGet(c.GetUsersRoute()+"/autocomplete"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAutocompleteFromJson(r.Body), BuildResponse(r)
+}
+
+// AutocompleteUsersInChannel returns the users in a channel based on search term.
+func (c *Client4) AutocompleteUsersInChannel(teamId string, channelId string, username string, limit int, etag string) (*UserAutocomplete, *Response) {
+	query := fmt.Sprintf("?in_team=%v&in_channel=%v&name=%v&limit=%d", teamId, channelId, username, limit)
+	r, err := c.DoApiGet(c.GetUsersRoute()+"/autocomplete"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAutocompleteFromJson(r.Body), BuildResponse(r)
+}
+
+// AutocompleteUsers returns the users in the system based on search term.
+func (c *Client4) AutocompleteUsers(username string, limit int, etag string) (*UserAutocomplete, *Response) {
+	query := fmt.Sprintf("?name=%v&limit=%d", username, limit)
+	r, err := c.DoApiGet(c.GetUsersRoute()+"/autocomplete"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAutocompleteFromJson(r.Body), BuildResponse(r)
+}
+
+// GetDefaultProfileImage gets the default user's profile image. Must be logged in.
+func (c *Client4) GetDefaultProfileImage(userId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetUserRoute(userId)+"/image/default", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetDefaultProfileImage", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+
+	return data, BuildResponse(r)
+}
+
+// GetProfileImage gets user's profile image. Must be logged in.
+func (c *Client4) GetProfileImage(userId, etag string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetUserRoute(userId)+"/image", etag)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetProfileImage", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// GetUsers returns a page of users on the system. Page counting starts at 0.
+func (c *Client4) GetUsers(page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersInTeam returns a page of users on a team. Page counting starts at 0.
+func (c *Client4) GetUsersInTeam(teamId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?in_team=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetNewUsersInTeam returns a page of users on a team. Page counting starts at 0.
+func (c *Client4) GetNewUsersInTeam(teamId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?sort=create_at&in_team=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetRecentlyActiveUsersInTeam returns a page of users on a team. Page counting starts at 0.
+func (c *Client4) GetRecentlyActiveUsersInTeam(teamId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?sort=last_activity_at&in_team=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetActiveUsersInTeam returns a page of users on a team. Page counting starts at 0.
+func (c *Client4) GetActiveUsersInTeam(teamId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?active=true&in_team=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersNotInTeam returns a page of users who are not in a team. Page counting starts at 0.
+func (c *Client4) GetUsersNotInTeam(teamId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?not_in_team=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersInChannel returns a page of users in a channel. Page counting starts at 0.
+func (c *Client4) GetUsersInChannel(channelId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?in_channel=%v&page=%v&per_page=%v", channelId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersInChannelByStatus returns a page of users in a channel. Page counting starts at 0. Sorted by Status
+func (c *Client4) GetUsersInChannelByStatus(channelId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?in_channel=%v&page=%v&per_page=%v&sort=status", channelId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersNotInChannel returns a page of users not in a channel. Page counting starts at 0.
+func (c *Client4) GetUsersNotInChannel(teamId, channelId string, page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?in_team=%v&not_in_channel=%v&page=%v&per_page=%v", teamId, channelId, page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersWithoutTeam returns a page of users on the system that aren't on any teams. Page counting starts at 0.
+func (c *Client4) GetUsersWithoutTeam(page int, perPage int, etag string) ([]*User, *Response) {
+	query := fmt.Sprintf("?without_team=1&page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUsersRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersByIds returns a list of users based on the provided user ids.
+func (c *Client4) GetUsersByIds(userIds []string) ([]*User, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/ids", ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersByIds returns a list of users based on the provided user ids.
+func (c *Client4) GetUsersByIdsWithOptions(userIds []string, options *UserGetByIdsOptions) ([]*User, *Response) {
+	v := url.Values{}
+	if options.Since != 0 {
+		v.Set("since", fmt.Sprintf("%d", options.Since))
+	}
+
+	url := c.GetUsersRoute() + "/ids"
+	if len(v) > 0 {
+		url += "?" + v.Encode()
+	}
+
+	r, err := c.DoApiPost(url, ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersByUsernames returns a list of users based on the provided usernames.
+func (c *Client4) GetUsersByUsernames(usernames []string) ([]*User, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/usernames", ArrayToJson(usernames))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersByGroupChannelIds returns a map with channel ids as keys
+// and a list of users as values based on the provided user ids.
+func (c *Client4) GetUsersByGroupChannelIds(groupChannelIds []string) (map[string][]*User, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/group_channels", ArrayToJson(groupChannelIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	usersByChannelId := map[string][]*User{}
+	json.NewDecoder(r.Body).Decode(&usersByChannelId)
+	return usersByChannelId, BuildResponse(r)
+}
+
+// SearchUsers returns a list of users based on some search criteria.
+func (c *Client4) SearchUsers(search *UserSearch) ([]*User, *Response) {
+	r, err := c.doApiPostBytes(c.GetUsersRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserListFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateUser updates a user in the system based on the provided user struct.
+func (c *Client4) UpdateUser(user *User) (*User, *Response) {
+	r, err := c.DoApiPut(c.GetUserRoute(user.Id), user.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchUser partially updates a user in the system. Any missing fields are not updated.
+func (c *Client4) PatchUser(userId string, patch *UserPatch) (*User, *Response) {
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/patch", patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateUserAuth updates a user AuthData (uthData, authService and password) in the system.
+func (c *Client4) UpdateUserAuth(userId string, userAuth *UserAuth) (*UserAuth, *Response) {
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/auth", userAuth.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAuthFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateUserMfa activates multi-factor authentication for a user if activate
+// is true and a valid code is provided. If activate is false, then code is not
+// required and multi-factor authentication is disabled for the user.
+func (c *Client4) UpdateUserMfa(userId, code string, activate bool) (bool, *Response) {
+	requestBody := make(map[string]interface{})
+	requestBody["activate"] = activate
+	requestBody["code"] = code
+
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/mfa", StringInterfaceToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// CheckUserMfa checks whether a user has MFA active on their account or not based on the
+// provided login id.
+// Deprecated: Clients should use Login method and check for MFA Error
+func (c *Client4) CheckUserMfa(loginId string) (bool, *Response) {
+	requestBody := make(map[string]interface{})
+	requestBody["login_id"] = loginId
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/mfa", StringInterfaceToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	data := StringInterfaceFromJson(r.Body)
+	mfaRequired, ok := data["mfa_required"].(bool)
+	if !ok {
+		return false, BuildResponse(r)
+	}
+	return mfaRequired, BuildResponse(r)
+}
+
+// GenerateMfaSecret will generate a new MFA secret for a user and return it as a string and
+// as a base64 encoded image QR code.
+func (c *Client4) GenerateMfaSecret(userId string) (*MfaSecret, *Response) {
+	r, err := c.DoApiPost(c.GetUserRoute(userId)+"/mfa/generate", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MfaSecretFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateUserPassword updates a user's password. Must be logged in as the user or be a system administrator.
+func (c *Client4) UpdateUserPassword(userId, currentPassword, newPassword string) (bool, *Response) {
+	requestBody := map[string]string{"current_password": currentPassword, "new_password": newPassword}
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/password", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// PromoteGuestToUser convert a guest into a regular user
+func (c *Client4) PromoteGuestToUser(guestId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetUserRoute(guestId)+"/promote", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DemoteUserToGuest convert a regular user into a guest
+func (c *Client4) DemoteUserToGuest(guestId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetUserRoute(guestId)+"/demote", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateUserRoles updates a user's roles in the system. A user can have "system_user" and "system_admin" roles.
+func (c *Client4) UpdateUserRoles(userId, roles string) (bool, *Response) {
+	requestBody := map[string]string{"roles": roles}
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/roles", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateUserActive updates status of a user whether active or not.
+func (c *Client4) UpdateUserActive(userId string, active bool) (bool, *Response) {
+	requestBody := make(map[string]interface{})
+	requestBody["active"] = active
+	r, err := c.DoApiPut(c.GetUserRoute(userId)+"/active", StringInterfaceToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DeleteUser deactivates a user in the system based on the provided user id string.
+func (c *Client4) DeleteUser(userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetUserRoute(userId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SendPasswordResetEmail will send a link for password resetting to a user with the
+// provided email.
+func (c *Client4) SendPasswordResetEmail(email string) (bool, *Response) {
+	requestBody := map[string]string{"email": email}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/password/reset/send", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// ResetPassword uses a recovery code to update reset a user's password.
+func (c *Client4) ResetPassword(token, newPassword string) (bool, *Response) {
+	requestBody := map[string]string{"token": token, "new_password": newPassword}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/password/reset", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetSessions returns a list of sessions based on the provided user id string.
+func (c *Client4) GetSessions(userId, etag string) ([]*Session, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/sessions", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SessionsFromJson(r.Body), BuildResponse(r)
+}
+
+// RevokeSession revokes a user session based on the provided user id and session id strings.
+func (c *Client4) RevokeSession(userId, sessionId string) (bool, *Response) {
+	requestBody := map[string]string{"session_id": sessionId}
+	r, err := c.DoApiPost(c.GetUserRoute(userId)+"/sessions/revoke", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// RevokeAllSessions revokes all sessions for the provided user id string.
+func (c *Client4) RevokeAllSessions(userId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetUserRoute(userId)+"/sessions/revoke/all", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// RevokeAllSessions revokes all sessions for all the users.
+func (c *Client4) RevokeSessionsFromAllUsers() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/sessions/revoke/all", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// AttachDeviceId attaches a mobile device ID to the current session.
+func (c *Client4) AttachDeviceId(deviceId string) (bool, *Response) {
+	requestBody := map[string]string{"device_id": deviceId}
+	r, err := c.DoApiPut(c.GetUsersRoute()+"/sessions/device", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetTeamsUnreadForUser will return an array with TeamUnread objects that contain the amount
+// of unread messages and mentions the current user has for the teams it belongs to.
+// An optional team ID can be set to exclude that team from the results. Must be authenticated.
+func (c *Client4) GetTeamsUnreadForUser(userId, teamIdToExclude string) ([]*TeamUnread, *Response) {
+	var optional string
+	if teamIdToExclude != "" {
+		optional += fmt.Sprintf("?exclude_team=%s", url.QueryEscape(teamIdToExclude))
+	}
+
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/teams/unread"+optional, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamsUnreadFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserAudits returns a list of audit based on the provided user id string.
+func (c *Client4) GetUserAudits(userId string, page int, perPage int, etag string) (Audits, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/audits"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return AuditsFromJson(r.Body), BuildResponse(r)
+}
+
+// VerifyUserEmail will verify a user's email using the supplied token.
+func (c *Client4) VerifyUserEmail(token string) (bool, *Response) {
+	requestBody := map[string]string{"token": token}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/email/verify", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SendVerificationEmail will send an email to the user with the provided email address, if
+// that user exists. The email will contain a link that can be used to verify the user's
+// email address.
+func (c *Client4) SendVerificationEmail(email string) (bool, *Response) {
+	requestBody := map[string]string{"email": email}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/email/verify/send", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SetDefaultProfileImage resets the profile image to a default generated one.
+func (c *Client4) SetDefaultProfileImage(userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetUserRoute(userId) + "/image")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SetProfileImage sets profile image of the user.
+func (c *Client4) SetProfileImage(userId string, data []byte) (bool, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("image", "profile.png")
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetProfileImage", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return false, &Response{Error: NewAppError("SetProfileImage", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return false, &Response{Error: NewAppError("SetProfileImage", "model.client.set_profile_user.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetUserRoute(userId)+"/image", bytes.NewReader(body.Bytes()))
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetProfileImage", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return false, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.GetUserRoute(userId)+"/image", "model.client.connecting.app_error", nil, err.Error(), http.StatusForbidden)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return false, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return CheckStatusOK(rp), BuildResponse(rp)
+}
+
+// CreateUserAccessToken will generate a user access token that can be used in place
+// of a session token to access the REST API. Must have the 'create_user_access_token'
+// permission and if generating for another user, must have the 'edit_other_users'
+// permission. A non-blank description is required.
+func (c *Client4) CreateUserAccessToken(userId, description string) (*UserAccessToken, *Response) {
+	requestBody := map[string]string{"description": description}
+	r, err := c.DoApiPost(c.GetUserRoute(userId)+"/tokens", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAccessTokenFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserAccessTokens will get a page of access tokens' id, description, is_active
+// and the user_id in the system. The actual token will not be returned. Must have
+// the 'manage_system' permission.
+func (c *Client4) GetUserAccessTokens(page int, perPage int) ([]*UserAccessToken, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUserAccessTokensRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAccessTokenListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserAccessToken will get a user access tokens' id, description, is_active
+// and the user_id of the user it is for. The actual token will not be returned.
+// Must have the 'read_user_access_token' permission and if getting for another
+// user, must have the 'edit_other_users' permission.
+func (c *Client4) GetUserAccessToken(tokenId string) (*UserAccessToken, *Response) {
+	r, err := c.DoApiGet(c.GetUserAccessTokenRoute(tokenId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAccessTokenFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserAccessTokensForUser will get a paged list of user access tokens showing id,
+// description and user_id for each. The actual tokens will not be returned. Must have
+// the 'read_user_access_token' permission and if getting for another user, must have the
+// 'edit_other_users' permission.
+func (c *Client4) GetUserAccessTokensForUser(userId string, page, perPage int) ([]*UserAccessToken, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/tokens"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAccessTokenListFromJson(r.Body), BuildResponse(r)
+}
+
+// RevokeUserAccessToken will revoke a user access token by id. Must have the
+// 'revoke_user_access_token' permission and if revoking for another user, must have the
+// 'edit_other_users' permission.
+func (c *Client4) RevokeUserAccessToken(tokenId string) (bool, *Response) {
+	requestBody := map[string]string{"token_id": tokenId}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/tokens/revoke", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SearchUserAccessTokens returns user access tokens matching the provided search term.
+func (c *Client4) SearchUserAccessTokens(search *UserAccessTokenSearch) ([]*UserAccessToken, *Response) {
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/tokens/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserAccessTokenListFromJson(r.Body), BuildResponse(r)
+}
+
+// DisableUserAccessToken will disable a user access token by id. Must have the
+// 'revoke_user_access_token' permission and if disabling for another user, must have the
+// 'edit_other_users' permission.
+func (c *Client4) DisableUserAccessToken(tokenId string) (bool, *Response) {
+	requestBody := map[string]string{"token_id": tokenId}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/tokens/disable", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// EnableUserAccessToken will enable a user access token by id. Must have the
+// 'create_user_access_token' permission and if enabling for another user, must have the
+// 'edit_other_users' permission.
+func (c *Client4) EnableUserAccessToken(tokenId string) (bool, *Response) {
+	requestBody := map[string]string{"token_id": tokenId}
+	r, err := c.DoApiPost(c.GetUsersRoute()+"/tokens/enable", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Bots section
+
+// CreateBot creates a bot in the system based on the provided bot struct.
+func (c *Client4) CreateBot(bot *Bot) (*Bot, *Response) {
+	r, err := c.doApiPostBytes(c.GetBotsRoute(), bot.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchBot partially updates a bot. Any missing fields are not updated.
+func (c *Client4) PatchBot(userId string, patch *BotPatch) (*Bot, *Response) {
+	r, err := c.doApiPutBytes(c.GetBotRoute(userId), patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// GetBot fetches the given, undeleted bot.
+func (c *Client4) GetBot(userId string, etag string) (*Bot, *Response) {
+	r, err := c.DoApiGet(c.GetBotRoute(userId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// GetBot fetches the given bot, even if it is deleted.
+func (c *Client4) GetBotIncludeDeleted(userId string, etag string) (*Bot, *Response) {
+	r, err := c.DoApiGet(c.GetBotRoute(userId)+"?include_deleted=true", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// GetBots fetches the given page of bots, excluding deleted.
+func (c *Client4) GetBots(page, perPage int, etag string) ([]*Bot, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetBotsRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetBotsIncludeDeleted fetches the given page of bots, including deleted.
+func (c *Client4) GetBotsIncludeDeleted(page, perPage int, etag string) ([]*Bot, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&include_deleted=true", page, perPage)
+	r, err := c.DoApiGet(c.GetBotsRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetBotsOrphaned fetches the given page of bots, only including orphanded bots.
+func (c *Client4) GetBotsOrphaned(page, perPage int, etag string) ([]*Bot, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&only_orphaned=true", page, perPage)
+	r, err := c.DoApiGet(c.GetBotsRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotListFromJson(r.Body), BuildResponse(r)
+}
+
+// DisableBot disables the given bot in the system.
+func (c *Client4) DisableBot(botUserId string) (*Bot, *Response) {
+	r, err := c.doApiPostBytes(c.GetBotRoute(botUserId)+"/disable", nil)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// EnableBot disables the given bot in the system.
+func (c *Client4) EnableBot(botUserId string) (*Bot, *Response) {
+	r, err := c.doApiPostBytes(c.GetBotRoute(botUserId)+"/enable", nil)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// AssignBot assigns the given bot to the given user
+func (c *Client4) AssignBot(botUserId, newOwnerId string) (*Bot, *Response) {
+	r, err := c.doApiPostBytes(c.GetBotRoute(botUserId)+"/assign/"+newOwnerId, nil)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BotFromJson(r.Body), BuildResponse(r)
+}
+
+// SetBotIconImage sets LHS bot icon image.
+func (c *Client4) SetBotIconImage(botUserId string, data []byte) (bool, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("image", "icon.svg")
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetBotIconImage", "model.client.set_bot_icon_image.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return false, &Response{Error: NewAppError("SetBotIconImage", "model.client.set_bot_icon_image.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return false, &Response{Error: NewAppError("SetBotIconImage", "model.client.set_bot_icon_image.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetBotRoute(botUserId)+"/icon", bytes.NewReader(body.Bytes()))
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetBotIconImage", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return false, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.GetBotRoute(botUserId)+"/icon", "model.client.connecting.app_error", nil, err.Error(), http.StatusForbidden)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return false, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return CheckStatusOK(rp), BuildResponse(rp)
+}
+
+// GetBotIconImage gets LHS bot icon image. Must be logged in.
+func (c *Client4) GetBotIconImage(botUserId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetBotRoute(botUserId)+"/icon", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetBotIconImage", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// DeleteBotIconImage deletes LHS bot icon image. Must be logged in.
+func (c *Client4) DeleteBotIconImage(botUserId string) (bool, *Response) {
+	r, appErr := c.DoApiDelete(c.GetBotRoute(botUserId) + "/icon")
+	if appErr != nil {
+		return false, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Team Section
+
+// CreateTeam creates a team in the system based on the provided team struct.
+func (c *Client4) CreateTeam(team *Team) (*Team, *Response) {
+	r, err := c.DoApiPost(c.GetTeamsRoute(), team.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeam returns a team based on the provided team id string.
+func (c *Client4) GetTeam(teamId, etag string) (*Team, *Response) {
+	r, err := c.DoApiGet(c.GetTeamRoute(teamId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// GetAllTeams returns all teams based on permissions.
+func (c *Client4) GetAllTeams(etag string, page int, perPage int) ([]*Team, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetTeamsRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetAllTeamsWithTotalCount returns all teams based on permissions.
+func (c *Client4) GetAllTeamsWithTotalCount(etag string, page int, perPage int) ([]*Team, int64, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&include_total_count=true", page, perPage)
+	r, err := c.DoApiGet(c.GetTeamsRoute()+query, etag)
+	if err != nil {
+		return nil, 0, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	teamsListWithCount := TeamsWithCountFromJson(r.Body)
+	return teamsListWithCount.Teams, teamsListWithCount.TotalCount, BuildResponse(r)
+}
+
+// GetTeamByName returns a team based on the provided team name string.
+func (c *Client4) GetTeamByName(name, etag string) (*Team, *Response) {
+	r, err := c.DoApiGet(c.GetTeamByNameRoute(name), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchTeams returns teams matching the provided search term.
+func (c *Client4) SearchTeams(search *TeamSearch) ([]*Team, *Response) {
+	r, err := c.DoApiPost(c.GetTeamsRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamListFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchTeamsPaged returns a page of teams and the total count matching the provided search term.
+func (c *Client4) SearchTeamsPaged(search *TeamSearch) ([]*Team, int64, *Response) {
+	if search.Page == nil {
+		search.Page = NewInt(0)
+	}
+	if search.PerPage == nil {
+		search.PerPage = NewInt(100)
+	}
+	r, err := c.DoApiPost(c.GetTeamsRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, 0, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	twc := TeamsWithCountFromJson(r.Body)
+	return twc.Teams, twc.TotalCount, BuildResponse(r)
+}
+
+// TeamExists returns true or false if the team exist or not.
+func (c *Client4) TeamExists(name, etag string) (bool, *Response) {
+	r, err := c.DoApiGet(c.GetTeamByNameRoute(name)+"/exists", etag)
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapBoolFromJson(r.Body)["exists"], BuildResponse(r)
+}
+
+// GetTeamsForUser returns a list of teams a user is on. Must be logged in as the user
+// or be a system administrator.
+func (c *Client4) GetTeamsForUser(userId, etag string) ([]*Team, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/teams", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamMember returns a team member based on the provided team and user id strings.
+func (c *Client4) GetTeamMember(teamId, userId, etag string) (*TeamMember, *Response) {
+	r, err := c.DoApiGet(c.GetTeamMemberRoute(teamId, userId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateTeamMemberRoles will update the roles on a team for a user.
+func (c *Client4) UpdateTeamMemberRoles(teamId, userId, newRoles string) (bool, *Response) {
+	requestBody := map[string]string{"roles": newRoles}
+	r, err := c.DoApiPut(c.GetTeamMemberRoute(teamId, userId)+"/roles", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateTeamMemberSchemeRoles will update the scheme-derived roles on a team for a user.
+func (c *Client4) UpdateTeamMemberSchemeRoles(teamId string, userId string, schemeRoles *SchemeRoles) (bool, *Response) {
+	r, err := c.DoApiPut(c.GetTeamMemberRoute(teamId, userId)+"/schemeRoles", schemeRoles.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateTeam will update a team.
+func (c *Client4) UpdateTeam(team *Team) (*Team, *Response) {
+	r, err := c.DoApiPut(c.GetTeamRoute(team.Id), team.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchTeam partially updates a team. Any missing fields are not updated.
+func (c *Client4) PatchTeam(teamId string, patch *TeamPatch) (*Team, *Response) {
+	r, err := c.DoApiPut(c.GetTeamRoute(teamId)+"/patch", patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// RestoreTeam restores a previously deleted team.
+func (c *Client4) RestoreTeam(teamId string) (*Team, *Response) {
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/restore", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// RegenerateTeamInviteId requests a new invite ID to be generated.
+func (c *Client4) RegenerateTeamInviteId(teamId string) (*Team, *Response) {
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/regenerate_invite_id", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// SoftDeleteTeam deletes the team softly (archive only, not permanent delete).
+func (c *Client4) SoftDeleteTeam(teamId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetTeamRoute(teamId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// PermanentDeleteTeam deletes the team, should only be used when needed for
+// compliance and the like.
+func (c *Client4) PermanentDeleteTeam(teamId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetTeamRoute(teamId) + "?permanent=true")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateTeamPrivacy modifies the team type (model.TEAM_OPEN <--> model.TEAM_INVITE) and sets
+// the corresponding AllowOpenInvite appropriately.
+func (c *Client4) UpdateTeamPrivacy(teamId string, privacy string) (*Team, *Response) {
+	requestBody := map[string]string{"privacy": privacy}
+	r, err := c.DoApiPut(c.GetTeamRoute(teamId)+"/privacy", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamMembers returns team members based on the provided team id string.
+func (c *Client4) GetTeamMembers(teamId string, page int, perPage int, etag string) ([]*TeamMember, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetTeamMembersRoute(teamId)+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamMembersWithoutDeletedUsers returns team members based on the provided team id string. Additional parameters of sort and exclude_deleted_users accepted as well
+// Could not add it to above function due to it be a breaking change.
+func (c *Client4) GetTeamMembersSortAndWithoutDeletedUsers(teamId string, page int, perPage int, sort string, exclude_deleted_users bool, etag string) ([]*TeamMember, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&sort=%v&exclude_deleted_users=%v", page, perPage, sort, exclude_deleted_users)
+	r, err := c.DoApiGet(c.GetTeamMembersRoute(teamId)+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamMembersForUser returns the team members for a user.
+func (c *Client4) GetTeamMembersForUser(userId string, etag string) ([]*TeamMember, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/teams/members", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamMembersByIds will return an array of team members based on the
+// team id and a list of user ids provided. Must be authenticated.
+func (c *Client4) GetTeamMembersByIds(teamId string, userIds []string) ([]*TeamMember, *Response) {
+	r, err := c.DoApiPost(fmt.Sprintf("/teams/%v/members/ids", teamId), ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// AddTeamMember adds user to a team and return a team member.
+func (c *Client4) AddTeamMember(teamId, userId string) (*TeamMember, *Response) {
+	member := &TeamMember{TeamId: teamId, UserId: userId}
+	r, err := c.DoApiPost(c.GetTeamMembersRoute(teamId), member.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// AddTeamMemberFromInvite adds a user to a team and return a team member using an invite id
+// or an invite token/data pair.
+func (c *Client4) AddTeamMemberFromInvite(token, inviteId string) (*TeamMember, *Response) {
+	var query string
+
+	if inviteId != "" {
+		query += fmt.Sprintf("?invite_id=%v", inviteId)
+	}
+
+	if token != "" {
+		query += fmt.Sprintf("?token=%v", token)
+	}
+
+	r, err := c.DoApiPost(c.GetTeamsRoute()+"/members/invite"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// AddTeamMembers adds a number of users to a team and returns the team members.
+func (c *Client4) AddTeamMembers(teamId string, userIds []string) ([]*TeamMember, *Response) {
+	var members []*TeamMember
+	for _, userId := range userIds {
+		member := &TeamMember{TeamId: teamId, UserId: userId}
+		members = append(members, member)
+	}
+
+	r, err := c.DoApiPost(c.GetTeamMembersRoute(teamId)+"/batch", TeamMembersToJson(members))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// AddTeamMembers adds a number of users to a team and returns the team members.
+func (c *Client4) AddTeamMembersGracefully(teamId string, userIds []string) ([]*TeamMemberWithError, *Response) {
+	var members []*TeamMember
+	for _, userId := range userIds {
+		member := &TeamMember{TeamId: teamId, UserId: userId}
+		members = append(members, member)
+	}
+
+	r, err := c.DoApiPost(c.GetTeamMembersRoute(teamId)+"/batch?graceful=true", TeamMembersToJson(members))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamMembersWithErrorFromJson(r.Body), BuildResponse(r)
+}
+
+// RemoveTeamMember will remove a user from a team.
+func (c *Client4) RemoveTeamMember(teamId, userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetTeamMemberRoute(teamId, userId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetTeamStats returns a team stats based on the team id string.
+// Must be authenticated.
+func (c *Client4) GetTeamStats(teamId, etag string) (*TeamStats, *Response) {
+	r, err := c.DoApiGet(c.GetTeamStatsRoute(teamId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamStatsFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTotalUsersStats returns a total system user stats.
+// Must be authenticated.
+func (c *Client4) GetTotalUsersStats(etag string) (*UsersStats, *Response) {
+	r, err := c.DoApiGet(c.GetTotalUsersStatsRoute(), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UsersStatsFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamUnread will return a TeamUnread object that contains the amount of
+// unread messages and mentions the user has for the specified team.
+// Must be authenticated.
+func (c *Client4) GetTeamUnread(teamId, userId string) (*TeamUnread, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+c.GetTeamRoute(teamId)+"/unread", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamUnreadFromJson(r.Body), BuildResponse(r)
+}
+
+// ImportTeam will import an exported team from other app into a existing team.
+func (c *Client4) ImportTeam(data []byte, filesize int, importFrom, filename, teamId string) (map[string]string, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("file", filename)
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	part, err = writer.CreateFormField("filesize")
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.file_size.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, strings.NewReader(strconv.Itoa(filesize))); err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.file_size.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	part, err = writer.CreateFormField("importFrom")
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.import_from.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err := io.Copy(part, strings.NewReader(importFrom)); err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.import_from.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err := writer.Close(); err != nil {
+		return nil, &Response{Error: NewAppError("UploadImportTeam", "model.client.upload_post_attachment.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	return c.DoUploadImportTeam(c.GetTeamImportRoute(teamId), body.Bytes(), writer.FormDataContentType())
+}
+
+// InviteUsersToTeam invite users by email to the team.
+func (c *Client4) InviteUsersToTeam(teamId string, userEmails []string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/invite/email", ArrayToJson(userEmails))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// InviteGuestsToTeam invite guest by email to some channels in a team.
+func (c *Client4) InviteGuestsToTeam(teamId string, userEmails []string, channels []string, message string) (bool, *Response) {
+	guestsInvite := GuestsInvite{
+		Emails:   userEmails,
+		Channels: channels,
+		Message:  message,
+	}
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/invite-guests/email", guestsInvite.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// InviteUsersToTeam invite users by email to the team.
+func (c *Client4) InviteUsersToTeamGracefully(teamId string, userEmails []string) ([]*EmailInviteWithError, *Response) {
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/invite/email?graceful=true", ArrayToJson(userEmails))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmailInviteWithErrorFromJson(r.Body), BuildResponse(r)
+}
+
+// InviteGuestsToTeam invite guest by email to some channels in a team.
+func (c *Client4) InviteGuestsToTeamGracefully(teamId string, userEmails []string, channels []string, message string) ([]*EmailInviteWithError, *Response) {
+	guestsInvite := GuestsInvite{
+		Emails:   userEmails,
+		Channels: channels,
+		Message:  message,
+	}
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/invite-guests/email?graceful=true", guestsInvite.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmailInviteWithErrorFromJson(r.Body), BuildResponse(r)
+}
+
+// InvalidateEmailInvites will invalidate active email invitations that have not been accepted by the user.
+func (c *Client4) InvalidateEmailInvites() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetTeamsRoute() + "/invites/email")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetTeamInviteInfo returns a team object from an invite id containing sanitized information.
+func (c *Client4) GetTeamInviteInfo(inviteId string) (*Team, *Response) {
+	r, err := c.DoApiGet(c.GetTeamsRoute()+"/invite/"+inviteId, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamFromJson(r.Body), BuildResponse(r)
+}
+
+// SetTeamIcon sets team icon of the team.
+func (c *Client4) SetTeamIcon(teamId string, data []byte) (bool, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("image", "teamIcon.png")
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetTeamIcon", "model.client.set_team_icon.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return false, &Response{Error: NewAppError("SetTeamIcon", "model.client.set_team_icon.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return false, &Response{Error: NewAppError("SetTeamIcon", "model.client.set_team_icon.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetTeamRoute(teamId)+"/image", bytes.NewReader(body.Bytes()))
+	if err != nil {
+		return false, &Response{Error: NewAppError("SetTeamIcon", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		// set to http.StatusForbidden(403)
+		return false, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.GetTeamRoute(teamId)+"/image", "model.client.connecting.app_error", nil, err.Error(), 403)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return false, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return CheckStatusOK(rp), BuildResponse(rp)
+}
+
+// GetTeamIcon gets the team icon of the team.
+func (c *Client4) GetTeamIcon(teamId, etag string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetTeamRoute(teamId)+"/image", etag)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetTeamIcon", "model.client.get_team_icon.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// RemoveTeamIcon updates LastTeamIconUpdate to 0 which indicates team icon is removed.
+func (c *Client4) RemoveTeamIcon(teamId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetTeamRoute(teamId) + "/image")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Channel Section
+
+// GetAllChannels get all the channels. Must be a system administrator.
+func (c *Client4) GetAllChannels(page int, perPage int, etag string) (*ChannelListWithTeamData, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelsRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelListWithTeamDataFromJson(r.Body), BuildResponse(r)
+}
+
+// GetAllChannelsWithCount get all the channels including the total count. Must be a system administrator.
+func (c *Client4) GetAllChannelsWithCount(page int, perPage int, etag string) (*ChannelListWithTeamData, int64, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&include_total_count=true", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelsRoute()+query, etag)
+	if err != nil {
+		return nil, 0, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	cwc := ChannelsWithCountFromJson(r.Body)
+	return cwc.Channels, cwc.TotalCount, BuildResponse(r)
+}
+
+// CreateChannel creates a channel based on the provided channel struct.
+func (c *Client4) CreateChannel(channel *Channel) (*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsRoute(), channel.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateChannel updates a channel based on the provided channel struct.
+func (c *Client4) UpdateChannel(channel *Channel) (*Channel, *Response) {
+	r, err := c.DoApiPut(c.GetChannelRoute(channel.Id), channel.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchChannel partially updates a channel. Any missing fields are not updated.
+func (c *Client4) PatchChannel(channelId string, patch *ChannelPatch) (*Channel, *Response) {
+	r, err := c.DoApiPut(c.GetChannelRoute(channelId)+"/patch", patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// ConvertChannelToPrivate converts public to private channel.
+func (c *Client4) ConvertChannelToPrivate(channelId string) (*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelRoute(channelId)+"/convert", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateChannelPrivacy updates channel privacy
+func (c *Client4) UpdateChannelPrivacy(channelId string, privacy string) (*Channel, *Response) {
+	requestBody := map[string]string{"privacy": privacy}
+	r, err := c.DoApiPut(c.GetChannelRoute(channelId)+"/privacy", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// RestoreChannel restores a previously deleted channel. Any missing fields are not updated.
+func (c *Client4) RestoreChannel(channelId string) (*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelRoute(channelId)+"/restore", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateDirectChannel creates a direct message channel based on the two user
+// ids provided.
+func (c *Client4) CreateDirectChannel(userId1, userId2 string) (*Channel, *Response) {
+	requestBody := []string{userId1, userId2}
+	r, err := c.DoApiPost(c.GetChannelsRoute()+"/direct", ArrayToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateGroupChannel creates a group message channel based on userIds provided.
+func (c *Client4) CreateGroupChannel(userIds []string) (*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsRoute()+"/group", ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannel returns a channel based on the provided channel id string.
+func (c *Client4) GetChannel(channelId, etag string) (*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelStats returns statistics for a channel.
+func (c *Client4) GetChannelStats(channelId string, etag string) (*ChannelStats, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/stats", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelStatsFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelMembersTimezones gets a list of timezones for a channel.
+func (c *Client4) GetChannelMembersTimezones(channelId string) ([]string, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/timezones", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ArrayFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPinnedPosts gets a list of pinned posts.
+func (c *Client4) GetPinnedPosts(channelId string, etag string) (*PostList, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/pinned", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPublicChannelsForTeam returns a list of public channels based on the provided team id string.
+func (c *Client4) GetPublicChannelsForTeam(teamId string, page int, perPage int, etag string) ([]*Channel, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelsForTeamRoute(teamId)+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetDeletedChannelsForTeam returns a list of public channels based on the provided team id string.
+func (c *Client4) GetDeletedChannelsForTeam(teamId string, page int, perPage int, etag string) ([]*Channel, *Response) {
+	query := fmt.Sprintf("/deleted?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelsForTeamRoute(teamId)+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPublicChannelsByIdsForTeam returns a list of public channels based on provided team id string.
+func (c *Client4) GetPublicChannelsByIdsForTeam(teamId string, channelIds []string) ([]*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsForTeamRoute(teamId)+"/ids", ArrayToJson(channelIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelsForTeamForUser returns a list channels of on a team for a user.
+func (c *Client4) GetChannelsForTeamForUser(teamId, userId string, includeDeleted bool, etag string) ([]*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelsForTeamForUserRoute(teamId, userId, includeDeleted), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchChannels returns the channels on a team matching the provided search term.
+func (c *Client4) SearchChannels(teamId string, search *ChannelSearch) ([]*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsForTeamRoute(teamId)+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchArchivedChannels returns the archived channels on a team matching the provided search term.
+func (c *Client4) SearchArchivedChannels(teamId string, search *ChannelSearch) ([]*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsForTeamRoute(teamId)+"/search_archived", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchAllChannels search in all the channels. Must be a system administrator.
+func (c *Client4) SearchAllChannels(search *ChannelSearch) (*ChannelListWithTeamData, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelListWithTeamDataFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchAllChannelsPaged searches all the channels and returns the results paged with the total count.
+func (c *Client4) SearchAllChannelsPaged(search *ChannelSearch) (*ChannelsWithCount, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelsWithCountFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchGroupChannels returns the group channels of the user whose members' usernames match the search term.
+func (c *Client4) SearchGroupChannels(search *ChannelSearch) ([]*Channel, *Response) {
+	r, err := c.DoApiPost(c.GetChannelsRoute()+"/group/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelSliceFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteChannel deletes channel based on the provided channel id string.
+func (c *Client4) DeleteChannel(channelId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetChannelRoute(channelId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetChannelByName returns a channel based on the provided channel name and team id strings.
+func (c *Client4) GetChannelByName(channelName, teamId string, etag string) (*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelByNameRoute(channelName, teamId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelByNameIncludeDeleted returns a channel based on the provided channel name and team id strings. Other then GetChannelByName it will also return deleted channels.
+func (c *Client4) GetChannelByNameIncludeDeleted(channelName, teamId string, etag string) (*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelByNameRoute(channelName, teamId)+"?include_deleted=true", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelByNameForTeamName returns a channel based on the provided channel name and team name strings.
+func (c *Client4) GetChannelByNameForTeamName(channelName, teamName string, etag string) (*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelByNameForTeamNameRoute(channelName, teamName), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelByNameForTeamNameIncludeDeleted returns a channel based on the provided channel name and team name strings. Other then GetChannelByNameForTeamName it will also return deleted channels.
+func (c *Client4) GetChannelByNameForTeamNameIncludeDeleted(channelName, teamName string, etag string) (*Channel, *Response) {
+	r, err := c.DoApiGet(c.GetChannelByNameForTeamNameRoute(channelName, teamName)+"?include_deleted=true", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelMembers gets a page of channel members.
+func (c *Client4) GetChannelMembers(channelId string, page, perPage int, etag string) (*ChannelMembers, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelMembersRoute(channelId)+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelMembersByIds gets the channel members in a channel for a list of user ids.
+func (c *Client4) GetChannelMembersByIds(channelId string, userIds []string) (*ChannelMembers, *Response) {
+	r, err := c.DoApiPost(c.GetChannelMembersRoute(channelId)+"/ids", ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelMember gets a channel member.
+func (c *Client4) GetChannelMember(channelId, userId, etag string) (*ChannelMember, *Response) {
+	r, err := c.DoApiGet(c.GetChannelMemberRoute(channelId, userId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelMembersForUser gets all the channel members for a user on a team.
+func (c *Client4) GetChannelMembersForUser(userId, teamId, etag string) (*ChannelMembers, *Response) {
+	r, err := c.DoApiGet(fmt.Sprintf(c.GetUserRoute(userId)+"/teams/%v/channels/members", teamId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMembersFromJson(r.Body), BuildResponse(r)
+}
+
+// ViewChannel performs a view action for a user. Synonymous with switching channels or marking channels as read by a user.
+func (c *Client4) ViewChannel(userId string, view *ChannelView) (*ChannelViewResponse, *Response) {
+	url := fmt.Sprintf(c.GetChannelsRoute()+"/members/%v/view", userId)
+	r, err := c.DoApiPost(url, view.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelViewResponseFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelUnread will return a ChannelUnread object that contains the number of
+// unread messages and mentions for a user.
+func (c *Client4) GetChannelUnread(channelId, userId string) (*ChannelUnread, *Response) {
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+c.GetChannelRoute(channelId)+"/unread", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelUnreadFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateChannelRoles will update the roles on a channel for a user.
+func (c *Client4) UpdateChannelRoles(channelId, userId, roles string) (bool, *Response) {
+	requestBody := map[string]string{"roles": roles}
+	r, err := c.DoApiPut(c.GetChannelMemberRoute(channelId, userId)+"/roles", MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateChannelMemberSchemeRoles will update the scheme-derived roles on a channel for a user.
+func (c *Client4) UpdateChannelMemberSchemeRoles(channelId string, userId string, schemeRoles *SchemeRoles) (bool, *Response) {
+	r, err := c.DoApiPut(c.GetChannelMemberRoute(channelId, userId)+"/schemeRoles", schemeRoles.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateChannelNotifyProps will update the notification properties on a channel for a user.
+func (c *Client4) UpdateChannelNotifyProps(channelId, userId string, props map[string]string) (bool, *Response) {
+	r, err := c.DoApiPut(c.GetChannelMemberRoute(channelId, userId)+"/notify_props", MapToJson(props))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// AddChannelMember adds user to channel and return a channel member.
+func (c *Client4) AddChannelMember(channelId, userId string) (*ChannelMember, *Response) {
+	requestBody := map[string]string{"user_id": userId}
+	r, err := c.DoApiPost(c.GetChannelMembersRoute(channelId)+"", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// AddChannelMemberWithRootId adds user to channel and return a channel member. Post add to channel message has the postRootId.
+func (c *Client4) AddChannelMemberWithRootId(channelId, userId, postRootId string) (*ChannelMember, *Response) {
+	requestBody := map[string]string{"user_id": userId, "post_root_id": postRootId}
+	r, err := c.DoApiPost(c.GetChannelMembersRoute(channelId)+"", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMemberFromJson(r.Body), BuildResponse(r)
+}
+
+// RemoveUserFromChannel will delete the channel member object for a user, effectively removing the user from a channel.
+func (c *Client4) RemoveUserFromChannel(channelId, userId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetChannelMemberRoute(channelId, userId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// AutocompleteChannelsForTeam will return an ordered list of channels autocomplete suggestions.
+func (c *Client4) AutocompleteChannelsForTeam(teamId, name string) (*ChannelList, *Response) {
+	query := fmt.Sprintf("?name=%v", name)
+	r, err := c.DoApiGet(c.GetChannelsForTeamRoute(teamId)+"/autocomplete"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelListFromJson(r.Body), BuildResponse(r)
+}
+
+// AutocompleteChannelsForTeamForSearch will return an ordered list of your channels autocomplete suggestions.
+func (c *Client4) AutocompleteChannelsForTeamForSearch(teamId, name string) (*ChannelList, *Response) {
+	query := fmt.Sprintf("?name=%v", name)
+	r, err := c.DoApiGet(c.GetChannelsForTeamRoute(teamId)+"/search_autocomplete"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelListFromJson(r.Body), BuildResponse(r)
+}
+
+// Post Section
+
+// CreatePost creates a post based on the provided post struct.
+func (c *Client4) CreatePost(post *Post) (*Post, *Response) {
+	r, err := c.DoApiPost(c.GetPostsRoute(), post.ToUnsanitizedJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostFromJson(r.Body), BuildResponse(r)
+}
+
+// CreatePostEphemeral creates a ephemeral post based on the provided post struct which is send to the given user id.
+func (c *Client4) CreatePostEphemeral(post *PostEphemeral) (*Post, *Response) {
+	r, err := c.DoApiPost(c.GetPostsEphemeralRoute(), post.ToUnsanitizedJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdatePost updates a post based on the provided post struct.
+func (c *Client4) UpdatePost(postId string, post *Post) (*Post, *Response) {
+	r, err := c.DoApiPut(c.GetPostRoute(postId), post.ToUnsanitizedJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchPost partially updates a post. Any missing fields are not updated.
+func (c *Client4) PatchPost(postId string, patch *PostPatch) (*Post, *Response) {
+	r, err := c.DoApiPut(c.GetPostRoute(postId)+"/patch", patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostFromJson(r.Body), BuildResponse(r)
+}
+
+// SetPostUnread marks channel where post belongs as unread on the time of the provided post.
+func (c *Client4) SetPostUnread(userId string, postId string) *Response {
+	r, err := c.DoApiPost(c.GetUserRoute(userId)+c.GetPostRoute(postId)+"/set_unread", "")
+	if err != nil {
+		return BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return BuildResponse(r)
+}
+
+// PinPost pin a post based on provided post id string.
+func (c *Client4) PinPost(postId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPostRoute(postId)+"/pin", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UnpinPost unpin a post based on provided post id string.
+func (c *Client4) UnpinPost(postId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPostRoute(postId)+"/unpin", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetPost gets a single post.
+func (c *Client4) GetPost(postId string, etag string) (*Post, *Response) {
+	r, err := c.DoApiGet(c.GetPostRoute(postId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostFromJson(r.Body), BuildResponse(r)
+}
+
+// DeletePost deletes a post from the provided post id string.
+func (c *Client4) DeletePost(postId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetPostRoute(postId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetPostThread gets a post with all the other posts in the same thread.
+func (c *Client4) GetPostThread(postId string, etag string) (*PostList, *Response) {
+	r, err := c.DoApiGet(c.GetPostRoute(postId)+"/thread", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPostsForChannel gets a page of posts with an array for ordering for a channel.
+func (c *Client4) GetPostsForChannel(channelId string, page, perPage int, etag string) (*PostList, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/posts"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetFlaggedPostsForUser returns flagged posts of a user based on user id string.
+func (c *Client4) GetFlaggedPostsForUser(userId string, page int, perPage int) (*PostList, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/posts/flagged"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetFlaggedPostsForUserInTeam returns flagged posts in team of a user based on user id string.
+func (c *Client4) GetFlaggedPostsForUserInTeam(userId string, teamId string, page int, perPage int) (*PostList, *Response) {
+	if !IsValidId(teamId) {
+		return nil, &Response{StatusCode: http.StatusBadRequest, Error: NewAppError("GetFlaggedPostsForUserInTeam", "model.client.get_flagged_posts_in_team.missing_parameter.app_error", nil, "", http.StatusBadRequest)}
+	}
+
+	query := fmt.Sprintf("?team_id=%v&page=%v&per_page=%v", teamId, page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/posts/flagged"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetFlaggedPostsForUserInChannel returns flagged posts in channel of a user based on user id string.
+func (c *Client4) GetFlaggedPostsForUserInChannel(userId string, channelId string, page int, perPage int) (*PostList, *Response) {
+	if !IsValidId(channelId) {
+		return nil, &Response{StatusCode: http.StatusBadRequest, Error: NewAppError("GetFlaggedPostsForUserInChannel", "model.client.get_flagged_posts_in_channel.missing_parameter.app_error", nil, "", http.StatusBadRequest)}
+	}
+
+	query := fmt.Sprintf("?channel_id=%v&page=%v&per_page=%v", channelId, page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/posts/flagged"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPostsSince gets posts created after a specified time as Unix time in milliseconds.
+func (c *Client4) GetPostsSince(channelId string, time int64) (*PostList, *Response) {
+	query := fmt.Sprintf("?since=%v", time)
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/posts"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPostsAfter gets a page of posts that were posted after the post provided.
+func (c *Client4) GetPostsAfter(channelId, postId string, page, perPage int, etag string) (*PostList, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&after=%v", page, perPage, postId)
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/posts"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPostsBefore gets a page of posts that were posted before the post provided.
+func (c *Client4) GetPostsBefore(channelId, postId string, page, perPage int, etag string) (*PostList, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&before=%v", page, perPage, postId)
+	r, err := c.DoApiGet(c.GetChannelRoute(channelId)+"/posts"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPostsAroundLastUnread gets a list of posts around last unread post by a user in a channel.
+func (c *Client4) GetPostsAroundLastUnread(userId, channelId string, limitBefore, limitAfter int) (*PostList, *Response) {
+	query := fmt.Sprintf("?limit_before=%v&limit_after=%v", limitBefore, limitAfter)
+	if r, err := c.DoApiGet(c.GetUserRoute(userId)+c.GetChannelRoute(channelId)+"/posts/unread"+query, ""); err != nil {
+		return nil, BuildErrorResponse(r, err)
+	} else {
+		defer closeBody(r)
+		return PostListFromJson(r.Body), BuildResponse(r)
+	}
+}
+
+// SearchPosts returns any posts with matching terms string.
+func (c *Client4) SearchPosts(teamId string, terms string, isOrSearch bool) (*PostList, *Response) {
+	params := SearchParameter{
+		Terms:      &terms,
+		IsOrSearch: &isOrSearch,
+	}
+	return c.SearchPostsWithParams(teamId, &params)
+}
+
+// SearchPostsWithParams returns any posts with matching terms string.
+func (c *Client4) SearchPostsWithParams(teamId string, params *SearchParameter) (*PostList, *Response) {
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/posts/search", params.SearchParameterToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostListFromJson(r.Body), BuildResponse(r)
+}
+
+// SearchPostsWithMatches returns any posts with matching terms string, including.
+func (c *Client4) SearchPostsWithMatches(teamId string, terms string, isOrSearch bool) (*PostSearchResults, *Response) {
+	requestBody := map[string]interface{}{"terms": terms, "is_or_search": isOrSearch}
+	r, err := c.DoApiPost(c.GetTeamRoute(teamId)+"/posts/search", StringInterfaceToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PostSearchResultsFromJson(r.Body), BuildResponse(r)
+}
+
+// DoPostAction performs a post action.
+func (c *Client4) DoPostAction(postId, actionId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPostRoute(postId)+"/actions/"+actionId, "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DoPostActionWithCookie performs a post action with extra arguments
+func (c *Client4) DoPostActionWithCookie(postId, actionId, selected, cookieStr string) (bool, *Response) {
+	var body []byte
+	if selected != "" || cookieStr != "" {
+		body, _ = json.Marshal(DoPostActionRequest{
+			SelectedOption: selected,
+			Cookie:         cookieStr,
+		})
+	}
+	r, err := c.DoApiPost(c.GetPostRoute(postId)+"/actions/"+actionId, string(body))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// OpenInteractiveDialog sends a WebSocket event to a user's clients to
+// open interactive dialogs, based on the provided trigger ID and other
+// provided data. Used with interactive message buttons, menus and
+// slash commands.
+func (c *Client4) OpenInteractiveDialog(request OpenDialogRequest) (bool, *Response) {
+	b, _ := json.Marshal(request)
+	r, err := c.DoApiPost("/actions/dialogs/open", string(b))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// SubmitInteractiveDialog will submit the provided dialog data to the integration
+// configured by the URL. Used with the interactive dialogs integration feature.
+func (c *Client4) SubmitInteractiveDialog(request SubmitDialogRequest) (*SubmitDialogResponse, *Response) {
+	b, _ := json.Marshal(request)
+	r, err := c.DoApiPost("/actions/dialogs/submit", string(b))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	var resp SubmitDialogResponse
+	json.NewDecoder(r.Body).Decode(&resp)
+	return &resp, BuildResponse(r)
+}
+
+// UploadFile will upload a file to a channel using a multipart request, to be later attached to a post.
+// This method is functionally equivalent to Client4.UploadFileAsRequestBody.
+func (c *Client4) UploadFile(data []byte, channelId string, filename string) (*FileUploadResponse, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormField("channel_id")
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPostAttachment", "model.client.upload_post_attachment.channel_id.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	_, err = io.Copy(part, strings.NewReader(channelId))
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPostAttachment", "model.client.upload_post_attachment.channel_id.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	part, err = writer.CreateFormFile("files", filename)
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPostAttachment", "model.client.upload_post_attachment.file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	_, err = io.Copy(part, bytes.NewBuffer(data))
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPostAttachment", "model.client.upload_post_attachment.file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	err = writer.Close()
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPostAttachment", "model.client.upload_post_attachment.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	return c.DoUploadFile(c.GetFilesRoute(), body.Bytes(), writer.FormDataContentType())
+}
+
+// UploadFileAsRequestBody will upload a file to a channel as the body of a request, to be later attached
+// to a post. This method is functionally equivalent to Client4.UploadFile.
+func (c *Client4) UploadFileAsRequestBody(data []byte, channelId string, filename string) (*FileUploadResponse, *Response) {
+	return c.DoUploadFile(c.GetFilesRoute()+fmt.Sprintf("?channel_id=%v&filename=%v", url.QueryEscape(channelId), url.QueryEscape(filename)), data, http.DetectContentType(data))
+}
+
+// GetFile gets the bytes for a file by id.
+func (c *Client4) GetFile(fileId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId), "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetFile", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// DownloadFile gets the bytes for a file by id, optionally adding headers to force the browser to download it.
+func (c *Client4) DownloadFile(fileId string, download bool) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId)+fmt.Sprintf("?download=%v", download), "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("DownloadFile", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// GetFileThumbnail gets the bytes for a file by id.
+func (c *Client4) GetFileThumbnail(fileId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId)+"/thumbnail", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetFileThumbnail", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// DownloadFileThumbnail gets the bytes for a file by id, optionally adding headers to force the browser to download it.
+func (c *Client4) DownloadFileThumbnail(fileId string, download bool) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId)+fmt.Sprintf("/thumbnail?download=%v", download), "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("DownloadFileThumbnail", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// GetFileLink gets the public link of a file by id.
+func (c *Client4) GetFileLink(fileId string) (string, *Response) {
+	r, err := c.DoApiGet(c.GetFileRoute(fileId)+"/link", "")
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["link"], BuildResponse(r)
+}
+
+// GetFilePreview gets the bytes for a file by id.
+func (c *Client4) GetFilePreview(fileId string) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId)+"/preview", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetFilePreview", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// DownloadFilePreview gets the bytes for a file by id.
+func (c *Client4) DownloadFilePreview(fileId string, download bool) ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetFileRoute(fileId)+fmt.Sprintf("/preview?download=%v", download), "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("DownloadFilePreview", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+	return data, BuildResponse(r)
+}
+
+// GetFileInfo gets all the file info objects.
+func (c *Client4) GetFileInfo(fileId string) (*FileInfo, *Response) {
+	r, err := c.DoApiGet(c.GetFileRoute(fileId)+"/info", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return FileInfoFromJson(r.Body), BuildResponse(r)
+}
+
+// GetFileInfosForPost gets all the file info objects attached to a post.
+func (c *Client4) GetFileInfosForPost(postId string, etag string) ([]*FileInfo, *Response) {
+	r, err := c.DoApiGet(c.GetPostRoute(postId)+"/files/info", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return FileInfosFromJson(r.Body), BuildResponse(r)
+}
+
+// General/System Section
+
+// GetPing will return ok if the running goRoutines are below the threshold and unhealthy for above.
+func (c *Client4) GetPing() (string, *Response) {
+	r, err := c.DoApiGet(c.GetSystemRoute()+"/ping", "")
+	if r != nil && r.StatusCode == 500 {
+		defer r.Body.Close()
+		return STATUS_UNHEALTHY, BuildErrorResponse(r, err)
+	}
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["status"], BuildResponse(r)
+}
+
+// GetPingWithServerStatus will return ok if several basic server health checks
+// all pass successfully.
+func (c *Client4) GetPingWithServerStatus() (string, *Response) {
+	r, err := c.DoApiGet(c.GetSystemRoute()+"/ping?get_server_status=true", "")
+	if r != nil && r.StatusCode == 500 {
+		defer r.Body.Close()
+		return STATUS_UNHEALTHY, BuildErrorResponse(r, err)
+	}
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["status"], BuildResponse(r)
+}
+
+// TestEmail will attempt to connect to the configured SMTP server.
+func (c *Client4) TestEmail(config *Config) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetTestEmailRoute(), config.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// TestSiteURL will test the validity of a site URL.
+func (c *Client4) TestSiteURL(siteURL string) (bool, *Response) {
+	requestBody := make(map[string]string)
+	requestBody["site_url"] = siteURL
+	r, err := c.DoApiPost(c.GetTestSiteURLRoute(), MapToJson(requestBody))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// TestS3Connection will attempt to connect to the AWS S3.
+func (c *Client4) TestS3Connection(config *Config) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetTestS3Route(), config.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetConfig will retrieve the server config with some sanitized items.
+func (c *Client4) GetConfig() (*Config, *Response) {
+	r, err := c.DoApiGet(c.GetConfigRoute(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ConfigFromJson(r.Body), BuildResponse(r)
+}
+
+// ReloadConfig will reload the server configuration.
+func (c *Client4) ReloadConfig() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetConfigRoute()+"/reload", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetOldClientConfig will retrieve the parts of the server configuration needed by the
+// client, formatted in the old format.
+func (c *Client4) GetOldClientConfig(etag string) (map[string]string, *Response) {
+	r, err := c.DoApiGet(c.GetConfigRoute()+"/client?format=old", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body), BuildResponse(r)
+}
+
+// GetEnvironmentConfig will retrieve a map mirroring the server configuration where fields
+// are set to true if the corresponding config setting is set through an environment variable.
+// Settings that haven't been set through environment variables will be missing from the map.
+func (c *Client4) GetEnvironmentConfig() (map[string]interface{}, *Response) {
+	r, err := c.DoApiGet(c.GetConfigRoute()+"/environment", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return StringInterfaceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOldClientLicense will retrieve the parts of the server license needed by the
+// client, formatted in the old format.
+func (c *Client4) GetOldClientLicense(etag string) (map[string]string, *Response) {
+	r, err := c.DoApiGet(c.GetLicenseRoute()+"/client?format=old", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body), BuildResponse(r)
+}
+
+// DatabaseRecycle will recycle the connections. Discard current connection and get new one.
+func (c *Client4) DatabaseRecycle() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetDatabaseRoute()+"/recycle", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// InvalidateCaches will purge the cache and can affect the performance while is cleaning.
+func (c *Client4) InvalidateCaches() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetCacheRoute()+"/invalidate", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateConfig will update the server configuration.
+func (c *Client4) UpdateConfig(config *Config) (*Config, *Response) {
+	r, err := c.DoApiPut(c.GetConfigRoute(), config.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ConfigFromJson(r.Body), BuildResponse(r)
+}
+
+// UploadLicenseFile will add a license file to the system.
+func (c *Client4) UploadLicenseFile(data []byte) (bool, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("license", "test-license.mattermost-license")
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadLicenseFile", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return false, &Response{Error: NewAppError("UploadLicenseFile", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return false, &Response{Error: NewAppError("UploadLicenseFile", "model.client.set_profile_user.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetLicenseRoute(), bytes.NewReader(body.Bytes()))
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadLicenseFile", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return false, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.GetLicenseRoute(), "model.client.connecting.app_error", nil, err.Error(), http.StatusForbidden)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return false, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return CheckStatusOK(rp), BuildResponse(rp)
+}
+
+// RemoveLicenseFile will remove the server license it exists. Note that this will
+// disable all enterprise features.
+func (c *Client4) RemoveLicenseFile() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetLicenseRoute())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetAnalyticsOld will retrieve analytics using the old format. New format is not
+// available but the "/analytics" endpoint is reserved for it. The "name" argument is optional
+// and defaults to "standard". The "teamId" argument is optional and will limit results
+// to a specific team.
+func (c *Client4) GetAnalyticsOld(name, teamId string) (AnalyticsRows, *Response) {
+	query := fmt.Sprintf("?name=%v&team_id=%v", name, teamId)
+	r, err := c.DoApiGet(c.GetAnalyticsRoute()+"/old"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return AnalyticsRowsFromJson(r.Body), BuildResponse(r)
+}
+
+// Webhooks Section
+
+// CreateIncomingWebhook creates an incoming webhook for a channel.
+func (c *Client4) CreateIncomingWebhook(hook *IncomingWebhook) (*IncomingWebhook, *Response) {
+	r, err := c.DoApiPost(c.GetIncomingWebhooksRoute(), hook.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return IncomingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateIncomingWebhook updates an incoming webhook for a channel.
+func (c *Client4) UpdateIncomingWebhook(hook *IncomingWebhook) (*IncomingWebhook, *Response) {
+	r, err := c.DoApiPut(c.GetIncomingWebhookRoute(hook.Id), hook.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return IncomingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// GetIncomingWebhooks returns a page of incoming webhooks on the system. Page counting starts at 0.
+func (c *Client4) GetIncomingWebhooks(page int, perPage int, etag string) ([]*IncomingWebhook, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetIncomingWebhooksRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return IncomingWebhookListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetIncomingWebhooksForTeam returns a page of incoming webhooks for a team. Page counting starts at 0.
+func (c *Client4) GetIncomingWebhooksForTeam(teamId string, page int, perPage int, etag string) ([]*IncomingWebhook, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&team_id=%v", page, perPage, teamId)
+	r, err := c.DoApiGet(c.GetIncomingWebhooksRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return IncomingWebhookListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetIncomingWebhook returns an Incoming webhook given the hook ID.
+func (c *Client4) GetIncomingWebhook(hookID string, etag string) (*IncomingWebhook, *Response) {
+	r, err := c.DoApiGet(c.GetIncomingWebhookRoute(hookID), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return IncomingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteIncomingWebhook deletes and Incoming Webhook given the hook ID.
+func (c *Client4) DeleteIncomingWebhook(hookID string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetIncomingWebhookRoute(hookID))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// CreateOutgoingWebhook creates an outgoing webhook for a team or channel.
+func (c *Client4) CreateOutgoingWebhook(hook *OutgoingWebhook) (*OutgoingWebhook, *Response) {
+	r, err := c.DoApiPost(c.GetOutgoingWebhooksRoute(), hook.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateOutgoingWebhook creates an outgoing webhook for a team or channel.
+func (c *Client4) UpdateOutgoingWebhook(hook *OutgoingWebhook) (*OutgoingWebhook, *Response) {
+	r, err := c.DoApiPut(c.GetOutgoingWebhookRoute(hook.Id), hook.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOutgoingWebhooks returns a page of outgoing webhooks on the system. Page counting starts at 0.
+func (c *Client4) GetOutgoingWebhooks(page int, perPage int, etag string) ([]*OutgoingWebhook, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetOutgoingWebhooksRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOutgoingWebhook outgoing webhooks on the system requested by Hook Id.
+func (c *Client4) GetOutgoingWebhook(hookId string) (*OutgoingWebhook, *Response) {
+	r, err := c.DoApiGet(c.GetOutgoingWebhookRoute(hookId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOutgoingWebhooksForChannel returns a page of outgoing webhooks for a channel. Page counting starts at 0.
+func (c *Client4) GetOutgoingWebhooksForChannel(channelId string, page int, perPage int, etag string) ([]*OutgoingWebhook, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&channel_id=%v", page, perPage, channelId)
+	r, err := c.DoApiGet(c.GetOutgoingWebhooksRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOutgoingWebhooksForTeam returns a page of outgoing webhooks for a team. Page counting starts at 0.
+func (c *Client4) GetOutgoingWebhooksForTeam(teamId string, page int, perPage int, etag string) ([]*OutgoingWebhook, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&team_id=%v", page, perPage, teamId)
+	r, err := c.DoApiGet(c.GetOutgoingWebhooksRoute()+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookListFromJson(r.Body), BuildResponse(r)
+}
+
+// RegenOutgoingHookToken regenerate the outgoing webhook token.
+func (c *Client4) RegenOutgoingHookToken(hookId string) (*OutgoingWebhook, *Response) {
+	r, err := c.DoApiPost(c.GetOutgoingWebhookRoute(hookId)+"/regen_token", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OutgoingWebhookFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteOutgoingWebhook delete the outgoing webhook on the system requested by Hook Id.
+func (c *Client4) DeleteOutgoingWebhook(hookId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetOutgoingWebhookRoute(hookId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Preferences Section
+
+// GetPreferences returns the user's preferences.
+func (c *Client4) GetPreferences(userId string) (Preferences, *Response) {
+	r, err := c.DoApiGet(c.GetPreferencesRoute(userId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	preferences, _ := PreferencesFromJson(r.Body)
+	return preferences, BuildResponse(r)
+}
+
+// UpdatePreferences saves the user's preferences.
+func (c *Client4) UpdatePreferences(userId string, preferences *Preferences) (bool, *Response) {
+	r, err := c.DoApiPut(c.GetPreferencesRoute(userId), preferences.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return true, BuildResponse(r)
+}
+
+// DeletePreferences deletes the user's preferences.
+func (c *Client4) DeletePreferences(userId string, preferences *Preferences) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPreferencesRoute(userId)+"/delete", preferences.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return true, BuildResponse(r)
+}
+
+// GetPreferencesByCategory returns the user's preferences from the provided category string.
+func (c *Client4) GetPreferencesByCategory(userId string, category string) (Preferences, *Response) {
+	url := fmt.Sprintf(c.GetPreferencesRoute(userId)+"/%s", category)
+	r, err := c.DoApiGet(url, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	preferences, _ := PreferencesFromJson(r.Body)
+	return preferences, BuildResponse(r)
+}
+
+// GetPreferenceByCategoryAndName returns the user's preferences from the provided category and preference name string.
+func (c *Client4) GetPreferenceByCategoryAndName(userId string, category string, preferenceName string) (*Preference, *Response) {
+	url := fmt.Sprintf(c.GetPreferencesRoute(userId)+"/%s/name/%v", category, preferenceName)
+	r, err := c.DoApiGet(url, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PreferenceFromJson(r.Body), BuildResponse(r)
+}
+
+// SAML Section
+
+// GetSamlMetadata returns metadata for the SAML configuration.
+func (c *Client4) GetSamlMetadata() (string, *Response) {
+	r, err := c.DoApiGet(c.GetSamlRoute()+"/metadata", "")
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	buf := new(bytes.Buffer)
+	_, _ = buf.ReadFrom(r.Body)
+	return buf.String(), BuildResponse(r)
+}
+
+func samlFileToMultipart(data []byte, filename string) ([]byte, *multipart.Writer, error) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("certificate", filename)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return nil, nil, err
+	}
+
+	if err := writer.Close(); err != nil {
+		return nil, nil, err
+	}
+
+	return body.Bytes(), writer, nil
+}
+
+// UploadSamlIdpCertificate will upload an IDP certificate for SAML and set the config to use it.
+// The filename parameter is deprecated and ignored: the server will pick a hard-coded filename when writing to disk.
+func (c *Client4) UploadSamlIdpCertificate(data []byte, filename string) (bool, *Response) {
+	body, writer, err := samlFileToMultipart(data, filename)
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadSamlIdpCertificate", "model.client.upload_saml_cert.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	_, resp := c.DoUploadFile(c.GetSamlRoute()+"/certificate/idp", body, writer.FormDataContentType())
+	return resp.Error == nil, resp
+}
+
+// UploadSamlPublicCertificate will upload a public certificate for SAML and set the config to use it.
+// The filename parameter is deprecated and ignored: the server will pick a hard-coded filename when writing to disk.
+func (c *Client4) UploadSamlPublicCertificate(data []byte, filename string) (bool, *Response) {
+	body, writer, err := samlFileToMultipart(data, filename)
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadSamlPublicCertificate", "model.client.upload_saml_cert.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	_, resp := c.DoUploadFile(c.GetSamlRoute()+"/certificate/public", body, writer.FormDataContentType())
+	return resp.Error == nil, resp
+}
+
+// UploadSamlPrivateCertificate will upload a private key for SAML and set the config to use it.
+// The filename parameter is deprecated and ignored: the server will pick a hard-coded filename when writing to disk.
+func (c *Client4) UploadSamlPrivateCertificate(data []byte, filename string) (bool, *Response) {
+	body, writer, err := samlFileToMultipart(data, filename)
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadSamlPrivateCertificate", "model.client.upload_saml_cert.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	_, resp := c.DoUploadFile(c.GetSamlRoute()+"/certificate/private", body, writer.FormDataContentType())
+	return resp.Error == nil, resp
+}
+
+// DeleteSamlIdpCertificate deletes the SAML IDP certificate from the server and updates the config to not use it and disable SAML.
+func (c *Client4) DeleteSamlIdpCertificate() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetSamlRoute() + "/certificate/idp")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DeleteSamlPublicCertificate deletes the SAML IDP certificate from the server and updates the config to not use it and disable SAML.
+func (c *Client4) DeleteSamlPublicCertificate() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetSamlRoute() + "/certificate/public")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DeleteSamlPrivateCertificate deletes the SAML IDP certificate from the server and updates the config to not use it and disable SAML.
+func (c *Client4) DeleteSamlPrivateCertificate() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetSamlRoute() + "/certificate/private")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetSamlCertificateStatus returns metadata for the SAML configuration.
+func (c *Client4) GetSamlCertificateStatus() (*SamlCertificateStatus, *Response) {
+	r, err := c.DoApiGet(c.GetSamlRoute()+"/certificate/status", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SamlCertificateStatusFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) GetSamlMetadataFromIdp(samlMetadataURL string) (*SamlMetadataResponse, *Response) {
+	requestBody := make(map[string]string)
+	requestBody["saml_metadata_url"] = samlMetadataURL
+	r, err := c.DoApiPost(c.GetSamlRoute()+"/metadatafromidp", MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+
+	defer closeBody(r)
+	return SamlMetadataResponseFromJson(r.Body), BuildResponse(r)
+}
+
+// Compliance Section
+
+// CreateComplianceReport creates an incoming webhook for a channel.
+func (c *Client4) CreateComplianceReport(report *Compliance) (*Compliance, *Response) {
+	r, err := c.DoApiPost(c.GetComplianceReportsRoute(), report.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ComplianceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetComplianceReports returns list of compliance reports.
+func (c *Client4) GetComplianceReports(page, perPage int) (Compliances, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetComplianceReportsRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CompliancesFromJson(r.Body), BuildResponse(r)
+}
+
+// GetComplianceReport returns a compliance report.
+func (c *Client4) GetComplianceReport(reportId string) (*Compliance, *Response) {
+	r, err := c.DoApiGet(c.GetComplianceReportRoute(reportId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ComplianceFromJson(r.Body), BuildResponse(r)
+}
+
+// DownloadComplianceReport returns a full compliance report as a file.
+func (c *Client4) DownloadComplianceReport(reportId string) ([]byte, *Response) {
+	rq, err := http.NewRequest("GET", c.ApiUrl+c.GetComplianceReportRoute(reportId), nil)
+	if err != nil {
+		return nil, &Response{Error: NewAppError("DownloadComplianceReport", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, "BEARER "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, &Response{Error: NewAppError("DownloadComplianceReport", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	data, err := ioutil.ReadAll(rp.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(rp, NewAppError("DownloadComplianceReport", "model.client.read_file.app_error", nil, err.Error(), rp.StatusCode))
+	}
+
+	return data, BuildResponse(rp)
+}
+
+// Cluster Section
+
+// GetClusterStatus returns the status of all the configured cluster nodes.
+func (c *Client4) GetClusterStatus() ([]*ClusterInfo, *Response) {
+	r, err := c.DoApiGet(c.GetClusterRoute()+"/status", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ClusterInfosFromJson(r.Body), BuildResponse(r)
+}
+
+// LDAP Section
+
+// SyncLdap will force a sync with the configured LDAP server.
+func (c *Client4) SyncLdap() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetLdapRoute()+"/sync", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// TestLdap will attempt to connect to the configured LDAP server and return OK if configured
+// correctly.
+func (c *Client4) TestLdap() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetLdapRoute()+"/test", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetLdapGroups retrieves the immediate child groups of the given parent group.
+func (c *Client4) GetLdapGroups() ([]*Group, *Response) {
+	path := fmt.Sprintf("%s/groups", c.GetLdapRoute())
+
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	return GroupsFromJson(r.Body), BuildResponse(r)
+}
+
+// LinkLdapGroup creates or undeletes a Mattermost group and associates it to the given LDAP group DN.
+func (c *Client4) LinkLdapGroup(dn string) (*Group, *Response) {
+	path := fmt.Sprintf("%s/groups/%s/link", c.GetLdapRoute(), dn)
+
+	r, appErr := c.DoApiPost(path, "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	return GroupFromJson(r.Body), BuildResponse(r)
+}
+
+// UnlinkLdapGroup deletes the Mattermost group associated with the given LDAP group DN.
+func (c *Client4) UnlinkLdapGroup(dn string) (*Group, *Response) {
+	path := fmt.Sprintf("%s/groups/%s/link", c.GetLdapRoute(), dn)
+
+	r, appErr := c.DoApiDelete(path)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	return GroupFromJson(r.Body), BuildResponse(r)
+}
+
+// GetGroupsByChannel retrieves the Mattermost Groups associated with a given channel
+func (c *Client4) GetGroupsByChannel(channelId string, opts GroupSearchOpts) ([]*GroupWithSchemeAdmin, int, *Response) {
+	path := fmt.Sprintf("%s/groups?q=%v&include_member_count=%v&filter_allow_reference=%v", c.GetChannelRoute(channelId), opts.Q, opts.IncludeMemberCount, opts.FilterAllowReference)
+	if opts.PageOpts != nil {
+		path = fmt.Sprintf("%s&page=%v&per_page=%v", path, opts.PageOpts.Page, opts.PageOpts.PerPage)
+	}
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, 0, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	responseData := struct {
+		Groups []*GroupWithSchemeAdmin `json:"groups"`
+		Count  int                     `json:"total_group_count"`
+	}{}
+	if err := json.NewDecoder(r.Body).Decode(&responseData); err != nil {
+		appErr := NewAppError("Api4.GetGroupsByChannel", "api.marshal_error", nil, err.Error(), http.StatusInternalServerError)
+		return nil, 0, BuildErrorResponse(r, appErr)
+	}
+
+	return responseData.Groups, responseData.Count, BuildResponse(r)
+}
+
+// GetGroupsByTeam retrieves the Mattermost Groups associated with a given team
+func (c *Client4) GetGroupsByTeam(teamId string, opts GroupSearchOpts) ([]*GroupWithSchemeAdmin, int, *Response) {
+	path := fmt.Sprintf("%s/groups?q=%v&include_member_count=%v&filter_allow_reference=%v", c.GetTeamRoute(teamId), opts.Q, opts.IncludeMemberCount, opts.FilterAllowReference)
+	if opts.PageOpts != nil {
+		path = fmt.Sprintf("%s&page=%v&per_page=%v", path, opts.PageOpts.Page, opts.PageOpts.PerPage)
+	}
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, 0, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	responseData := struct {
+		Groups []*GroupWithSchemeAdmin `json:"groups"`
+		Count  int                     `json:"total_group_count"`
+	}{}
+	if err := json.NewDecoder(r.Body).Decode(&responseData); err != nil {
+		appErr := NewAppError("Api4.GetGroupsByTeam", "api.marshal_error", nil, err.Error(), http.StatusInternalServerError)
+		return nil, 0, BuildErrorResponse(r, appErr)
+	}
+
+	return responseData.Groups, responseData.Count, BuildResponse(r)
+}
+
+// GetGroupsAssociatedToChannelsByTeam retrieves the Mattermost Groups associated with channels in a given team
+func (c *Client4) GetGroupsAssociatedToChannelsByTeam(teamId string, opts GroupSearchOpts) (map[string][]*GroupWithSchemeAdmin, *Response) {
+	path := fmt.Sprintf("%s/groups_by_channels?q=%v&filter_allow_reference=%v", c.GetTeamRoute(teamId), opts.Q, opts.FilterAllowReference)
+	if opts.PageOpts != nil {
+		path = fmt.Sprintf("%s&page=%v&per_page=%v", path, opts.PageOpts.Page, opts.PageOpts.PerPage)
+	}
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	responseData := struct {
+		GroupsAssociatedToChannels map[string][]*GroupWithSchemeAdmin `json:"groups"`
+	}{}
+	if err := json.NewDecoder(r.Body).Decode(&responseData); err != nil {
+		appErr := NewAppError("Api4.GetGroupsAssociatedToChannelsByTeam", "api.marshal_error", nil, err.Error(), http.StatusInternalServerError)
+		return nil, BuildErrorResponse(r, appErr)
+	}
+
+	return responseData.GroupsAssociatedToChannels, BuildResponse(r)
+}
+
+// GetGroups retrieves Mattermost Groups
+func (c *Client4) GetGroups(opts GroupSearchOpts) ([]*Group, *Response) {
+	path := fmt.Sprintf(
+		"%s?include_member_count=%v&not_associated_to_team=%v&not_associated_to_channel=%v&filter_allow_reference=%v&q=%v&filter_parent_team_permitted=%v",
+		c.GetGroupsRoute(),
+		opts.IncludeMemberCount,
+		opts.NotAssociatedToTeam,
+		opts.NotAssociatedToChannel,
+		opts.FilterAllowReference,
+		opts.Q,
+		opts.FilterParentTeamPermitted,
+	)
+	if opts.Since > 0 {
+		path = fmt.Sprintf("%s&since=%v", path, opts.Since)
+	}
+	if opts.PageOpts != nil {
+		path = fmt.Sprintf("%s&page=%v&per_page=%v", path, opts.PageOpts.Page, opts.PageOpts.PerPage)
+	}
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	return GroupsFromJson(r.Body), BuildResponse(r)
+}
+
+// GetGroupsByUserId retrieves Mattermost Groups for a user
+func (c *Client4) GetGroupsByUserId(userId string) ([]*Group, *Response) {
+	path := fmt.Sprintf(
+		"%s/%v/groups",
+		c.GetUsersRoute(),
+		userId,
+	)
+
+	r, appErr := c.DoApiGet(path, "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupsFromJson(r.Body), BuildResponse(r)
+}
+
+// Audits Section
+
+// GetAudits returns a list of audits for the whole system.
+func (c *Client4) GetAudits(page int, perPage int, etag string) (Audits, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet("/audits"+query, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return AuditsFromJson(r.Body), BuildResponse(r)
+}
+
+// Brand Section
+
+// GetBrandImage retrieves the previously uploaded brand image.
+func (c *Client4) GetBrandImage() ([]byte, *Response) {
+	r, appErr := c.DoApiGet(c.GetBrandRoute()+"/image", "")
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+
+	if r.StatusCode >= 300 {
+		return nil, BuildErrorResponse(r, AppErrorFromJson(r.Body))
+	}
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetBrandImage", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+
+	return data, BuildResponse(r)
+}
+
+// DeleteBrandImage deletes the brand image for the system.
+func (c *Client4) DeleteBrandImage() *Response {
+	r, err := c.DoApiDelete(c.GetBrandRoute() + "/image")
+	if err != nil {
+		return BuildErrorResponse(r, err)
+	}
+	return BuildResponse(r)
+}
+
+// UploadBrandImage sets the brand image for the system.
+func (c *Client4) UploadBrandImage(data []byte) (bool, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("image", "brand.png")
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadBrandImage", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if _, err = io.Copy(part, bytes.NewBuffer(data)); err != nil {
+		return false, &Response{Error: NewAppError("UploadBrandImage", "model.client.set_profile_user.no_file.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return false, &Response{Error: NewAppError("UploadBrandImage", "model.client.set_profile_user.writer.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetBrandRoute()+"/image", bytes.NewReader(body.Bytes()))
+	if err != nil {
+		return false, &Response{Error: NewAppError("UploadBrandImage", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return false, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.GetBrandRoute()+"/image", "model.client.connecting.app_error", nil, err.Error(), http.StatusForbidden)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return false, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return CheckStatusOK(rp), BuildResponse(rp)
+}
+
+// Logs Section
+
+// GetLogs page of logs as a string array.
+func (c *Client4) GetLogs(page, perPage int) ([]string, *Response) {
+	query := fmt.Sprintf("?page=%v&logs_per_page=%v", page, perPage)
+	r, err := c.DoApiGet("/logs"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ArrayFromJson(r.Body), BuildResponse(r)
+}
+
+// PostLog is a convenience Web Service call so clients can log messages into
+// the server-side logs. For example we typically log javascript error messages
+// into the server-side. It returns the log message if the logging was successful.
+func (c *Client4) PostLog(message map[string]string) (map[string]string, *Response) {
+	r, err := c.DoApiPost("/logs", MapToJson(message))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body), BuildResponse(r)
+}
+
+// OAuth Section
+
+// CreateOAuthApp will register a new OAuth 2.0 client application with Mattermost acting as an OAuth 2.0 service provider.
+func (c *Client4) CreateOAuthApp(app *OAuthApp) (*OAuthApp, *Response) {
+	r, err := c.DoApiPost(c.GetOAuthAppsRoute(), app.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateOAuthApp updates a page of registered OAuth 2.0 client applications with Mattermost acting as an OAuth 2.0 service provider.
+func (c *Client4) UpdateOAuthApp(app *OAuthApp) (*OAuthApp, *Response) {
+	r, err := c.DoApiPut(c.GetOAuthAppRoute(app.Id), app.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOAuthApps gets a page of registered OAuth 2.0 client applications with Mattermost acting as an OAuth 2.0 service provider.
+func (c *Client4) GetOAuthApps(page, perPage int) ([]*OAuthApp, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetOAuthAppsRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOAuthApp gets a registered OAuth 2.0 client application with Mattermost acting as an OAuth 2.0 service provider.
+func (c *Client4) GetOAuthApp(appId string) (*OAuthApp, *Response) {
+	r, err := c.DoApiGet(c.GetOAuthAppRoute(appId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppFromJson(r.Body), BuildResponse(r)
+}
+
+// GetOAuthAppInfo gets a sanitized version of a registered OAuth 2.0 client application with Mattermost acting as an OAuth 2.0 service provider.
+func (c *Client4) GetOAuthAppInfo(appId string) (*OAuthApp, *Response) {
+	r, err := c.DoApiGet(c.GetOAuthAppRoute(appId)+"/info", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteOAuthApp deletes a registered OAuth 2.0 client application.
+func (c *Client4) DeleteOAuthApp(appId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetOAuthAppRoute(appId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// RegenerateOAuthAppSecret regenerates the client secret for a registered OAuth 2.0 client application.
+func (c *Client4) RegenerateOAuthAppSecret(appId string) (*OAuthApp, *Response) {
+	r, err := c.DoApiPost(c.GetOAuthAppRoute(appId)+"/regen_secret", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppFromJson(r.Body), BuildResponse(r)
+}
+
+// GetAuthorizedOAuthAppsForUser gets a page of OAuth 2.0 client applications the user has authorized to use access their account.
+func (c *Client4) GetAuthorizedOAuthAppsForUser(userId string, page, perPage int) ([]*OAuthApp, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetUserRoute(userId)+"/oauth/apps/authorized"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return OAuthAppListFromJson(r.Body), BuildResponse(r)
+}
+
+// AuthorizeOAuthApp will authorize an OAuth 2.0 client application to access a user's account and provide a redirect link to follow.
+func (c *Client4) AuthorizeOAuthApp(authRequest *AuthorizeRequest) (string, *Response) {
+	r, err := c.DoApiRequest(http.MethodPost, c.Url+"/oauth/authorize", authRequest.ToJson(), "")
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["redirect"], BuildResponse(r)
+}
+
+// DeauthorizeOAuthApp will deauthorize an OAuth 2.0 client application from accessing a user's account.
+func (c *Client4) DeauthorizeOAuthApp(appId string) (bool, *Response) {
+	requestData := map[string]string{"client_id": appId}
+	r, err := c.DoApiRequest(http.MethodPost, c.Url+"/oauth/deauthorize", MapToJson(requestData), "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetOAuthAccessToken is a test helper function for the OAuth access token endpoint.
+func (c *Client4) GetOAuthAccessToken(data url.Values) (*AccessResponse, *Response) {
+	rq, err := http.NewRequest(http.MethodPost, c.Url+"/oauth/access_token", strings.NewReader(data.Encode()))
+	if err != nil {
+		return nil, &Response{Error: NewAppError(c.Url+"/oauth/access_token", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, &Response{StatusCode: http.StatusForbidden, Error: NewAppError(c.Url+"/oauth/access_token", "model.client.connecting.app_error", nil, err.Error(), 403)}
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return AccessResponseFromJson(rp.Body), BuildResponse(rp)
+}
+
+// Elasticsearch Section
+
+// TestElasticsearch will attempt to connect to the configured Elasticsearch server and return OK if configured.
+// correctly.
+func (c *Client4) TestElasticsearch() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetElasticsearchRoute()+"/test", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// PurgeElasticsearchIndexes immediately deletes all Elasticsearch indexes.
+func (c *Client4) PurgeElasticsearchIndexes() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetElasticsearchRoute()+"/purge_indexes", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Bleve Section
+
+// PurgeBleveIndexes immediately deletes all Bleve indexes.
+func (c *Client4) PurgeBleveIndexes() (bool, *Response) {
+	r, err := c.DoApiPost(c.GetBleveRoute()+"/purge_indexes", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Data Retention Section
+
+// GetDataRetentionPolicy will get the current server data retention policy details.
+func (c *Client4) GetDataRetentionPolicy() (*DataRetentionPolicy, *Response) {
+	r, err := c.DoApiGet(c.GetDataRetentionRoute()+"/policy", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return DataRetentionPolicyFromJson(r.Body), BuildResponse(r)
+}
+
+// Commands Section
+
+// CreateCommand will create a new command if the user have the right permissions.
+func (c *Client4) CreateCommand(cmd *Command) (*Command, *Response) {
+	r, err := c.DoApiPost(c.GetCommandsRoute(), cmd.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CommandFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateCommand updates a command based on the provided Command struct.
+func (c *Client4) UpdateCommand(cmd *Command) (*Command, *Response) {
+	r, err := c.DoApiPut(c.GetCommandRoute(cmd.Id), cmd.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CommandFromJson(r.Body), BuildResponse(r)
+}
+
+// MoveCommand moves a command to a different team.
+func (c *Client4) MoveCommand(teamId string, commandId string) (bool, *Response) {
+	cmr := CommandMoveRequest{TeamId: teamId}
+	r, err := c.DoApiPut(c.GetCommandMoveRoute(commandId), cmr.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DeleteCommand deletes a command based on the provided command id string.
+func (c *Client4) DeleteCommand(commandId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetCommandRoute(commandId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// ListCommands will retrieve a list of commands available in the team.
+func (c *Client4) ListCommands(teamId string, customOnly bool) ([]*Command, *Response) {
+	query := fmt.Sprintf("?team_id=%v&custom_only=%v", teamId, customOnly)
+	r, err := c.DoApiGet(c.GetCommandsRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CommandListFromJson(r.Body), BuildResponse(r)
+}
+
+// ListCommandAutocompleteSuggestions will retrieve a list of suggestions for a userInput.
+func (c *Client4) ListCommandAutocompleteSuggestions(userInput, teamId string) ([]AutocompleteSuggestion, *Response) {
+	query := fmt.Sprintf("/commands/autocomplete_suggestions?user_input=%v", userInput)
+	r, err := c.DoApiGet(c.GetTeamRoute(teamId)+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return AutocompleteSuggestionsFromJSON(r.Body), BuildResponse(r)
+}
+
+// GetCommandById will retrieve a command by id.
+func (c *Client4) GetCommandById(cmdId string) (*Command, *Response) {
+	url := fmt.Sprintf("%s/%s", c.GetCommandsRoute(), cmdId)
+	r, err := c.DoApiGet(url, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CommandFromJson(r.Body), BuildResponse(r)
+}
+
+// ExecuteCommand executes a given slash command.
+func (c *Client4) ExecuteCommand(channelId, command string) (*CommandResponse, *Response) {
+	commandArgs := &CommandArgs{
+		ChannelId: channelId,
+		Command:   command,
+	}
+	r, err := c.DoApiPost(c.GetCommandsRoute()+"/execute", commandArgs.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	response, _ := CommandResponseFromJson(r.Body)
+	return response, BuildResponse(r)
+}
+
+// ExecuteCommandWithTeam executes a given slash command against the specified team.
+// Use this when executing slash commands in a DM/GM, since the team id cannot be inferred in that case.
+func (c *Client4) ExecuteCommandWithTeam(channelId, teamId, command string) (*CommandResponse, *Response) {
+	commandArgs := &CommandArgs{
+		ChannelId: channelId,
+		TeamId:    teamId,
+		Command:   command,
+	}
+	r, err := c.DoApiPost(c.GetCommandsRoute()+"/execute", commandArgs.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	response, _ := CommandResponseFromJson(r.Body)
+	return response, BuildResponse(r)
+}
+
+// ListAutocompleteCommands will retrieve a list of commands available in the team.
+func (c *Client4) ListAutocompleteCommands(teamId string) ([]*Command, *Response) {
+	r, err := c.DoApiGet(c.GetTeamAutoCompleteCommandsRoute(teamId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CommandListFromJson(r.Body), BuildResponse(r)
+}
+
+// RegenCommandToken will create a new token if the user have the right permissions.
+func (c *Client4) RegenCommandToken(commandId string) (string, *Response) {
+	r, err := c.DoApiPut(c.GetCommandRoute(commandId)+"/regen_token", "")
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["token"], BuildResponse(r)
+}
+
+// Status Section
+
+// GetUserStatus returns a user based on the provided user id string.
+func (c *Client4) GetUserStatus(userId, etag string) (*Status, *Response) {
+	r, err := c.DoApiGet(c.GetUserStatusRoute(userId), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return StatusFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUsersStatusesByIds returns a list of users status based on the provided user ids.
+func (c *Client4) GetUsersStatusesByIds(userIds []string) ([]*Status, *Response) {
+	r, err := c.DoApiPost(c.GetUserStatusesRoute()+"/ids", ArrayToJson(userIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return StatusListFromJson(r.Body), BuildResponse(r)
+}
+
+// UpdateUserStatus sets a user's status based on the provided user id string.
+func (c *Client4) UpdateUserStatus(userId string, userStatus *Status) (*Status, *Response) {
+	r, err := c.DoApiPut(c.GetUserStatusRoute(userId), userStatus.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return StatusFromJson(r.Body), BuildResponse(r)
+}
+
+// Emoji Section
+
+// CreateEmoji will save an emoji to the server if the current user has permission
+// to do so. If successful, the provided emoji will be returned with its Id field
+// filled in. Otherwise, an error will be returned.
+func (c *Client4) CreateEmoji(emoji *Emoji, image []byte, filename string) (*Emoji, *Response) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	part, err := writer.CreateFormFile("image", filename)
+	if err != nil {
+		return nil, &Response{StatusCode: http.StatusForbidden, Error: NewAppError("CreateEmoji", "model.client.create_emoji.image.app_error", nil, err.Error(), 0)}
+	}
+
+	if _, err := io.Copy(part, bytes.NewBuffer(image)); err != nil {
+		return nil, &Response{StatusCode: http.StatusForbidden, Error: NewAppError("CreateEmoji", "model.client.create_emoji.image.app_error", nil, err.Error(), 0)}
+	}
+
+	if err := writer.WriteField("emoji", emoji.ToJson()); err != nil {
+		return nil, &Response{StatusCode: http.StatusForbidden, Error: NewAppError("CreateEmoji", "model.client.create_emoji.emoji.app_error", nil, err.Error(), 0)}
+	}
+
+	if err := writer.Close(); err != nil {
+		return nil, &Response{StatusCode: http.StatusForbidden, Error: NewAppError("CreateEmoji", "model.client.create_emoji.writer.app_error", nil, err.Error(), 0)}
+	}
+
+	return c.DoEmojiUploadFile(c.GetEmojisRoute(), body.Bytes(), writer.FormDataContentType())
+}
+
+// GetEmojiList returns a page of custom emoji on the system.
+func (c *Client4) GetEmojiList(page, perPage int) ([]*Emoji, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v", page, perPage)
+	r, err := c.DoApiGet(c.GetEmojisRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetSortedEmojiList returns a page of custom emoji on the system sorted based on the sort
+// parameter, blank for no sorting and "name" to sort by emoji names.
+func (c *Client4) GetSortedEmojiList(page, perPage int, sort string) ([]*Emoji, *Response) {
+	query := fmt.Sprintf("?page=%v&per_page=%v&sort=%v", page, perPage, sort)
+	r, err := c.DoApiGet(c.GetEmojisRoute()+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiListFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteEmoji delete an custom emoji on the provided emoji id string.
+func (c *Client4) DeleteEmoji(emojiId string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetEmojiRoute(emojiId))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetEmoji returns a custom emoji based on the emojiId string.
+func (c *Client4) GetEmoji(emojiId string) (*Emoji, *Response) {
+	r, err := c.DoApiGet(c.GetEmojiRoute(emojiId), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiFromJson(r.Body), BuildResponse(r)
+}
+
+// GetEmojiByName returns a custom emoji based on the name string.
+func (c *Client4) GetEmojiByName(name string) (*Emoji, *Response) {
+	r, err := c.DoApiGet(c.GetEmojiByNameRoute(name), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiFromJson(r.Body), BuildResponse(r)
+}
+
+// GetEmojiImage returns the emoji image.
+func (c *Client4) GetEmojiImage(emojiId string) ([]byte, *Response) {
+	r, apErr := c.DoApiGet(c.GetEmojiRoute(emojiId)+"/image", "")
+	if apErr != nil {
+		return nil, BuildErrorResponse(r, apErr)
+	}
+	defer closeBody(r)
+
+	data, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		return nil, BuildErrorResponse(r, NewAppError("GetEmojiImage", "model.client.read_file.app_error", nil, err.Error(), r.StatusCode))
+	}
+
+	return data, BuildResponse(r)
+}
+
+// SearchEmoji returns a list of emoji matching some search criteria.
+func (c *Client4) SearchEmoji(search *EmojiSearch) ([]*Emoji, *Response) {
+	r, err := c.DoApiPost(c.GetEmojisRoute()+"/search", search.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiListFromJson(r.Body), BuildResponse(r)
+}
+
+// AutocompleteEmoji returns a list of emoji starting with or matching name.
+func (c *Client4) AutocompleteEmoji(name string, etag string) ([]*Emoji, *Response) {
+	query := fmt.Sprintf("?name=%v", name)
+	r, err := c.DoApiGet(c.GetEmojisRoute()+"/autocomplete"+query, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return EmojiListFromJson(r.Body), BuildResponse(r)
+}
+
+// Reaction Section
+
+// SaveReaction saves an emoji reaction for a post. Returns the saved reaction if successful, otherwise an error will be returned.
+func (c *Client4) SaveReaction(reaction *Reaction) (*Reaction, *Response) {
+	r, err := c.DoApiPost(c.GetReactionsRoute(), reaction.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ReactionFromJson(r.Body), BuildResponse(r)
+}
+
+// GetReactions returns a list of reactions to a post.
+func (c *Client4) GetReactions(postId string) ([]*Reaction, *Response) {
+	r, err := c.DoApiGet(c.GetPostRoute(postId)+"/reactions", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ReactionsFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteReaction deletes reaction of a user in a post.
+func (c *Client4) DeleteReaction(reaction *Reaction) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetUserRoute(reaction.UserId) + c.GetPostRoute(reaction.PostId) + fmt.Sprintf("/reactions/%v", reaction.EmojiName))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// FetchBulkReactions returns a map of postIds and corresponding reactions
+func (c *Client4) GetBulkReactions(postIds []string) (map[string][]*Reaction, *Response) {
+	r, err := c.DoApiPost(c.GetPostsRoute()+"/ids/reactions", ArrayToJson(postIds))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapPostIdToReactionsFromJson(r.Body), BuildResponse(r)
+}
+
+// Timezone Section
+
+// GetSupportedTimezone returns a page of supported timezones on the system.
+func (c *Client4) GetSupportedTimezone() ([]string, *Response) {
+	r, err := c.DoApiGet(c.GetTimezonesRoute(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	var timezones []string
+	json.NewDecoder(r.Body).Decode(&timezones)
+	return timezones, BuildResponse(r)
+}
+
+// Open Graph Metadata Section
+
+// OpenGraph return the open graph metadata for a particular url if the site have the metadata.
+func (c *Client4) OpenGraph(url string) (map[string]string, *Response) {
+	requestBody := make(map[string]string)
+	requestBody["url"] = url
+
+	r, err := c.DoApiPost(c.GetOpenGraphRoute(), MapToJson(requestBody))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body), BuildResponse(r)
+}
+
+// Jobs Section
+
+// GetJob gets a single job.
+func (c *Client4) GetJob(id string) (*Job, *Response) {
+	r, err := c.DoApiGet(c.GetJobsRoute()+fmt.Sprintf("/%v", id), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return JobFromJson(r.Body), BuildResponse(r)
+}
+
+// GetJobs gets all jobs, sorted with the job that was created most recently first.
+func (c *Client4) GetJobs(page int, perPage int) ([]*Job, *Response) {
+	r, err := c.DoApiGet(c.GetJobsRoute()+fmt.Sprintf("?page=%v&per_page=%v", page, perPage), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return JobsFromJson(r.Body), BuildResponse(r)
+}
+
+// GetJobsByType gets all jobs of a given type, sorted with the job that was created most recently first.
+func (c *Client4) GetJobsByType(jobType string, page int, perPage int) ([]*Job, *Response) {
+	r, err := c.DoApiGet(c.GetJobsRoute()+fmt.Sprintf("/type/%v?page=%v&per_page=%v", jobType, page, perPage), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return JobsFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateJob creates a job based on the provided job struct.
+func (c *Client4) CreateJob(job *Job) (*Job, *Response) {
+	r, err := c.DoApiPost(c.GetJobsRoute(), job.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return JobFromJson(r.Body), BuildResponse(r)
+}
+
+// CancelJob requests the cancellation of the job with the provided Id.
+func (c *Client4) CancelJob(jobId string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetJobsRoute()+fmt.Sprintf("/%v/cancel", jobId), "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// Roles Section
+
+// GetRole gets a single role by ID.
+func (c *Client4) GetRole(id string) (*Role, *Response) {
+	r, err := c.DoApiGet(c.GetRolesRoute()+fmt.Sprintf("/%v", id), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return RoleFromJson(r.Body), BuildResponse(r)
+}
+
+// GetRoleByName gets a single role by Name.
+func (c *Client4) GetRoleByName(name string) (*Role, *Response) {
+	r, err := c.DoApiGet(c.GetRolesRoute()+fmt.Sprintf("/name/%v", name), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return RoleFromJson(r.Body), BuildResponse(r)
+}
+
+// GetRolesByNames returns a list of roles based on the provided role names.
+func (c *Client4) GetRolesByNames(roleNames []string) ([]*Role, *Response) {
+	r, err := c.DoApiPost(c.GetRolesRoute()+"/names", ArrayToJson(roleNames))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return RoleListFromJson(r.Body), BuildResponse(r)
+}
+
+// PatchRole partially updates a role in the system. Any missing fields are not updated.
+func (c *Client4) PatchRole(roleId string, patch *RolePatch) (*Role, *Response) {
+	r, err := c.DoApiPut(c.GetRolesRoute()+fmt.Sprintf("/%v/patch", roleId), patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return RoleFromJson(r.Body), BuildResponse(r)
+}
+
+// Schemes Section
+
+// CreateScheme creates a new Scheme.
+func (c *Client4) CreateScheme(scheme *Scheme) (*Scheme, *Response) {
+	r, err := c.DoApiPost(c.GetSchemesRoute(), scheme.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SchemeFromJson(r.Body), BuildResponse(r)
+}
+
+// GetScheme gets a single scheme by ID.
+func (c *Client4) GetScheme(id string) (*Scheme, *Response) {
+	r, err := c.DoApiGet(c.GetSchemeRoute(id), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SchemeFromJson(r.Body), BuildResponse(r)
+}
+
+// GetSchemes gets all schemes, sorted with the most recently created first, optionally filtered by scope.
+func (c *Client4) GetSchemes(scope string, page int, perPage int) ([]*Scheme, *Response) {
+	r, err := c.DoApiGet(c.GetSchemesRoute()+fmt.Sprintf("?scope=%v&page=%v&per_page=%v", scope, page, perPage), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SchemesFromJson(r.Body), BuildResponse(r)
+}
+
+// DeleteScheme deletes a single scheme by ID.
+func (c *Client4) DeleteScheme(id string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetSchemeRoute(id))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// PatchScheme partially updates a scheme in the system. Any missing fields are not updated.
+func (c *Client4) PatchScheme(id string, patch *SchemePatch) (*Scheme, *Response) {
+	r, err := c.DoApiPut(c.GetSchemeRoute(id)+"/patch", patch.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return SchemeFromJson(r.Body), BuildResponse(r)
+}
+
+// GetTeamsForScheme gets the teams using this scheme, sorted alphabetically by display name.
+func (c *Client4) GetTeamsForScheme(schemeId string, page int, perPage int) ([]*Team, *Response) {
+	r, err := c.DoApiGet(c.GetSchemeRoute(schemeId)+fmt.Sprintf("/teams?page=%v&per_page=%v", page, perPage), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TeamListFromJson(r.Body), BuildResponse(r)
+}
+
+// GetChannelsForScheme gets the channels using this scheme, sorted alphabetically by display name.
+func (c *Client4) GetChannelsForScheme(schemeId string, page int, perPage int) (ChannelList, *Response) {
+	r, err := c.DoApiGet(c.GetSchemeRoute(schemeId)+fmt.Sprintf("/channels?page=%v&per_page=%v", page, perPage), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return *ChannelListFromJson(r.Body), BuildResponse(r)
+}
+
+// Plugin Section
+
+// UploadPlugin takes an io.Reader stream pointing to the contents of a .tar.gz plugin.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) UploadPlugin(file io.Reader) (*Manifest, *Response) {
+	return c.uploadPlugin(file, false)
+}
+
+func (c *Client4) UploadPluginForced(file io.Reader) (*Manifest, *Response) {
+	return c.uploadPlugin(file, true)
+}
+
+func (c *Client4) uploadPlugin(file io.Reader, force bool) (*Manifest, *Response) {
+	body := new(bytes.Buffer)
+	writer := multipart.NewWriter(body)
+
+	if force {
+		err := writer.WriteField("force", "true")
+		if err != nil {
+			return nil, &Response{Error: NewAppError("UploadPlugin", "model.client.writer.app_error", nil, err.Error(), 0)}
+		}
+	}
+
+	part, err := writer.CreateFormFile("plugin", "plugin.tar.gz")
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPlugin", "model.client.writer.app_error", nil, err.Error(), 0)}
+	}
+
+	if _, err = io.Copy(part, file); err != nil {
+		return nil, &Response{Error: NewAppError("UploadPlugin", "model.client.writer.app_error", nil, err.Error(), 0)}
+	}
+
+	if err = writer.Close(); err != nil {
+		return nil, &Response{Error: NewAppError("UploadPlugin", "model.client.writer.app_error", nil, err.Error(), 0)}
+	}
+
+	rq, err := http.NewRequest("POST", c.ApiUrl+c.GetPluginsRoute(), body)
+	if err != nil {
+		return nil, &Response{Error: NewAppError("UploadPlugin", "model.client.connecting.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	rq.Header.Set("Content-Type", writer.FormDataContentType())
+
+	if len(c.AuthToken) > 0 {
+		rq.Header.Set(HEADER_AUTH, c.AuthType+" "+c.AuthToken)
+	}
+
+	rp, err := c.HttpClient.Do(rq)
+	if err != nil || rp == nil {
+		return nil, BuildErrorResponse(rp, NewAppError("UploadPlugin", "model.client.connecting.app_error", nil, err.Error(), 0))
+	}
+	defer closeBody(rp)
+
+	if rp.StatusCode >= 300 {
+		return nil, BuildErrorResponse(rp, AppErrorFromJson(rp.Body))
+	}
+
+	return ManifestFromJson(rp.Body), BuildResponse(rp)
+}
+
+func (c *Client4) InstallPluginFromUrl(downloadUrl string, force bool) (*Manifest, *Response) {
+	forceStr := "false"
+	if force {
+		forceStr = "true"
+	}
+
+	url := fmt.Sprintf("%s?plugin_download_url=%s&force=%s", c.GetPluginsRoute()+"/install_from_url", url.QueryEscape(downloadUrl), forceStr)
+	r, err := c.DoApiPost(url, "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ManifestFromJson(r.Body), BuildResponse(r)
+}
+
+// InstallMarketplacePlugin will install marketplace plugin.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) InstallMarketplacePlugin(request *InstallMarketplacePluginRequest) (*Manifest, *Response) {
+	json, err := request.ToJson()
+	if err != nil {
+		return nil, &Response{Error: NewAppError("InstallMarketplacePlugin", "model.client.plugin_request_to_json.app_error", nil, err.Error(), http.StatusBadRequest)}
+	}
+	r, appErr := c.DoApiPost(c.GetPluginsRoute()+"/marketplace", json)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return ManifestFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPlugins will return a list of plugin manifests for currently active plugins.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) GetPlugins() (*PluginsResponse, *Response) {
+	r, err := c.DoApiGet(c.GetPluginsRoute(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PluginsResponseFromJson(r.Body), BuildResponse(r)
+}
+
+// GetPluginStatuses will return the plugins installed on any server in the cluster, for reporting
+// to the administrator via the system console.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) GetPluginStatuses() (PluginStatuses, *Response) {
+	r, err := c.DoApiGet(c.GetPluginsRoute()+"/statuses", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return PluginStatusesFromJson(r.Body), BuildResponse(r)
+}
+
+// RemovePlugin will disable and delete a plugin.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) RemovePlugin(id string) (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetPluginRoute(id))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetWebappPlugins will return a list of plugins that the webapp should download.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) GetWebappPlugins() ([]*Manifest, *Response) {
+	r, err := c.DoApiGet(c.GetPluginsRoute()+"/webapp", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ManifestListFromJson(r.Body), BuildResponse(r)
+}
+
+// EnablePlugin will enable an plugin installed.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) EnablePlugin(id string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPluginRoute(id)+"/enable", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// DisablePlugin will disable an enabled plugin.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) DisablePlugin(id string) (bool, *Response) {
+	r, err := c.DoApiPost(c.GetPluginRoute(id)+"/disable", "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetMarketplacePlugins will return a list of plugins that an admin can install.
+// WARNING: PLUGINS ARE STILL EXPERIMENTAL. THIS FUNCTION IS SUBJECT TO CHANGE.
+func (c *Client4) GetMarketplacePlugins(filter *MarketplacePluginFilter) ([]*MarketplacePlugin, *Response) {
+	route := c.GetPluginsRoute() + "/marketplace"
+	u, parseErr := url.Parse(route)
+	if parseErr != nil {
+		return nil, &Response{Error: NewAppError("GetMarketplacePlugins", "model.client.parse_plugins.app_error", nil, parseErr.Error(), http.StatusBadRequest)}
+	}
+
+	filter.ApplyToURL(u)
+
+	r, err := c.DoApiGet(u.String(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	plugins, readerErr := MarketplacePluginsFromReader(r.Body)
+	if readerErr != nil {
+		return nil, BuildErrorResponse(r, NewAppError(route, "model.client.parse_plugins.app_error", nil, err.Error(), http.StatusBadRequest))
+	}
+
+	return plugins, BuildResponse(r)
+}
+
+// UpdateChannelScheme will update a channel's scheme.
+func (c *Client4) UpdateChannelScheme(channelId, schemeId string) (bool, *Response) {
+	sip := &SchemeIDPatch{SchemeID: &schemeId}
+	r, err := c.DoApiPut(c.GetChannelSchemeRoute(channelId), sip.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// UpdateTeamScheme will update a team's scheme.
+func (c *Client4) UpdateTeamScheme(teamId, schemeId string) (bool, *Response) {
+	sip := &SchemeIDPatch{SchemeID: &schemeId}
+	r, err := c.DoApiPut(c.GetTeamSchemeRoute(teamId), sip.ToJson())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetRedirectLocation retrieves the value of the 'Location' header of an HTTP response for a given URL.
+func (c *Client4) GetRedirectLocation(urlParam, etag string) (string, *Response) {
+	url := fmt.Sprintf("%s?url=%s", c.GetRedirectLocationRoute(), url.QueryEscape(urlParam))
+	r, err := c.DoApiGet(url, etag)
+	if err != nil {
+		return "", BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return MapFromJson(r.Body)["location"], BuildResponse(r)
+}
+
+// SetServerBusy will mark the server as busy, which disables non-critical services for `secs` seconds.
+func (c *Client4) SetServerBusy(secs int) (bool, *Response) {
+	url := fmt.Sprintf("%s?seconds=%d", c.GetServerBusyRoute(), secs)
+	r, err := c.DoApiPost(url, "")
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// ClearServerBusy will mark the server as not busy.
+func (c *Client4) ClearServerBusy() (bool, *Response) {
+	r, err := c.DoApiDelete(c.GetServerBusyRoute())
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
+
+// GetServerBusy returns the current ServerBusyState including the time when a server marked busy
+// will automatically have the flag cleared.
+func (c *Client4) GetServerBusy() (*ServerBusyState, *Response) {
+	r, err := c.DoApiGet(c.GetServerBusyRoute(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	sbs := ServerBusyStateFromJson(r.Body)
+	return sbs, BuildResponse(r)
+}
+
+// GetServerBusyExpires returns the time when a server marked busy
+// will automatically have the flag cleared.
+//
+// Deprecated: Use GetServerBusy instead.
+func (c *Client4) GetServerBusyExpires() (*time.Time, *Response) {
+	r, err := c.DoApiGet(c.GetServerBusyRoute(), "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+
+	sbs := ServerBusyStateFromJson(r.Body)
+	expires := time.Unix(sbs.Expires, 0)
+	return &expires, BuildResponse(r)
+}
+
+// RegisterTermsOfServiceAction saves action performed by a user against a specific terms of service.
+func (c *Client4) RegisterTermsOfServiceAction(userId, termsOfServiceId string, accepted bool) (*bool, *Response) {
+	url := c.GetUserTermsOfServiceRoute(userId)
+	data := map[string]interface{}{"termsOfServiceId": termsOfServiceId, "accepted": accepted}
+	r, err := c.DoApiPost(url, StringInterfaceToJson(data))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return NewBool(CheckStatusOK(r)), BuildResponse(r)
+}
+
+// GetTermsOfService fetches the latest terms of service
+func (c *Client4) GetTermsOfService(etag string) (*TermsOfService, *Response) {
+	url := c.GetTermsOfServiceRoute()
+	r, err := c.DoApiGet(url, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TermsOfServiceFromJson(r.Body), BuildResponse(r)
+}
+
+// GetUserTermsOfService fetches user's latest terms of service action if the latest action was for acceptance.
+func (c *Client4) GetUserTermsOfService(userId, etag string) (*UserTermsOfService, *Response) {
+	url := c.GetUserTermsOfServiceRoute(userId)
+	r, err := c.DoApiGet(url, etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return UserTermsOfServiceFromJson(r.Body), BuildResponse(r)
+}
+
+// CreateTermsOfService creates new terms of service.
+func (c *Client4) CreateTermsOfService(text, userId string) (*TermsOfService, *Response) {
+	url := c.GetTermsOfServiceRoute()
+	data := map[string]interface{}{"text": text}
+	r, err := c.DoApiPost(url, StringInterfaceToJson(data))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return TermsOfServiceFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) GetGroup(groupID, etag string) (*Group, *Response) {
+	r, appErr := c.DoApiGet(c.GetGroupRoute(groupID), etag)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) PatchGroup(groupID string, patch *GroupPatch) (*Group, *Response) {
+	payload, _ := json.Marshal(patch)
+	r, appErr := c.DoApiPut(c.GetGroupRoute(groupID)+"/patch", string(payload))
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) LinkGroupSyncable(groupID, syncableID string, syncableType GroupSyncableType, patch *GroupSyncablePatch) (*GroupSyncable, *Response) {
+	payload, _ := json.Marshal(patch)
+	url := fmt.Sprintf("%s/link", c.GetGroupSyncableRoute(groupID, syncableID, syncableType))
+	r, appErr := c.DoApiPost(url, string(payload))
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupSyncableFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) UnlinkGroupSyncable(groupID, syncableID string, syncableType GroupSyncableType) *Response {
+	url := fmt.Sprintf("%s/link", c.GetGroupSyncableRoute(groupID, syncableID, syncableType))
+	r, appErr := c.DoApiDelete(url)
+	if appErr != nil {
+		return BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return BuildResponse(r)
+}
+
+func (c *Client4) GetGroupSyncable(groupID, syncableID string, syncableType GroupSyncableType, etag string) (*GroupSyncable, *Response) {
+	r, appErr := c.DoApiGet(c.GetGroupSyncableRoute(groupID, syncableID, syncableType), etag)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupSyncableFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) GetGroupSyncables(groupID string, syncableType GroupSyncableType, etag string) ([]*GroupSyncable, *Response) {
+	r, appErr := c.DoApiGet(c.GetGroupSyncablesRoute(groupID, syncableType), etag)
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupSyncablesFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) PatchGroupSyncable(groupID, syncableID string, syncableType GroupSyncableType, patch *GroupSyncablePatch) (*GroupSyncable, *Response) {
+	payload, _ := json.Marshal(patch)
+	r, appErr := c.DoApiPut(c.GetGroupSyncableRoute(groupID, syncableID, syncableType)+"/patch", string(payload))
+	if appErr != nil {
+		return nil, BuildErrorResponse(r, appErr)
+	}
+	defer closeBody(r)
+	return GroupSyncableFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) TeamMembersMinusGroupMembers(teamID string, groupIDs []string, page, perPage int, etag string) ([]*UserWithGroups, int64, *Response) {
+	groupIDStr := strings.Join(groupIDs, ",")
+	query := fmt.Sprintf("?group_ids=%s&page=%d&per_page=%d", groupIDStr, page, perPage)
+	r, err := c.DoApiGet(c.GetTeamRoute(teamID)+"/members_minus_group_members"+query, etag)
+	if err != nil {
+		return nil, 0, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	ugc := UsersWithGroupsAndCountFromJson(r.Body)
+	return ugc.Users, ugc.Count, BuildResponse(r)
+}
+
+func (c *Client4) ChannelMembersMinusGroupMembers(channelID string, groupIDs []string, page, perPage int, etag string) ([]*UserWithGroups, int64, *Response) {
+	groupIDStr := strings.Join(groupIDs, ",")
+	query := fmt.Sprintf("?group_ids=%s&page=%d&per_page=%d", groupIDStr, page, perPage)
+	r, err := c.DoApiGet(c.GetChannelRoute(channelID)+"/members_minus_group_members"+query, etag)
+	if err != nil {
+		return nil, 0, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	ugc := UsersWithGroupsAndCountFromJson(r.Body)
+	return ugc.Users, ugc.Count, BuildResponse(r)
+}
+
+func (c *Client4) PatchConfig(config *Config) (*Config, *Response) {
+	r, err := c.DoApiPut(c.GetConfigRoute()+"/patch", config.ToJson())
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ConfigFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) GetChannelModerations(channelID string, etag string) ([]*ChannelModeration, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelID)+"/moderations", etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelModerationsFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) PatchChannelModerations(channelID string, patch []*ChannelModerationPatch) ([]*ChannelModeration, *Response) {
+	payload, _ := json.Marshal(patch)
+	r, err := c.DoApiPut(c.GetChannelRoute(channelID)+"/moderations/patch", string(payload))
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelModerationsFromJson(r.Body), BuildResponse(r)
+}
+
+func (c *Client4) GetKnownUsers() ([]string, *Response) {
+	r, err := c.DoApiGet(c.GetUsersRoute()+"/known", "")
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	var userIds []string
+	json.NewDecoder(r.Body).Decode(&userIds)
+	return userIds, BuildResponse(r)
+}
+
+func (c *Client4) GetChannelMemberCountsByGroup(channelID string, includeTimezones bool, etag string) ([]*ChannelMemberCountByGroup, *Response) {
+	r, err := c.DoApiGet(c.GetChannelRoute(channelID)+"/member_counts_by_group?include_timezones="+strconv.FormatBool(includeTimezones), etag)
+	if err != nil {
+		return nil, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return ChannelMemberCountsByGroupFromJson(r.Body), BuildResponse(r)
+}
+
+// RequestTrialLicense will request a trial license and install it in the server
+func (c *Client4) RequestTrialLicense(users int) (bool, *Response) {
+	b, _ := json.Marshal(map[string]int{"users": users})
+	r, err := c.DoApiPost("/trial-license", string(b))
+	if err != nil {
+		return false, BuildErrorResponse(r, err)
+	}
+	defer closeBody(r)
+	return CheckStatusOK(r), BuildResponse(r)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_discovery.go b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_discovery.go
new file mode 100644
index 00000000..f6c9275a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_discovery.go
@@ -0,0 +1,137 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"os"
+)
+
+const (
+	CDS_OFFLINE_AFTER_MILLIS = 1000 * 60 * 30 // 30 minutes
+	CDS_TYPE_APP             = "mattermost_app"
+)
+
+type ClusterDiscovery struct {
+	Id          string `json:"id"`
+	Type        string `json:"type"`
+	ClusterName string `json:"cluster_name"`
+	Hostname    string `json:"hostname"`
+	GossipPort  int32  `json:"gossip_port"`
+	Port        int32  `json:"port"`
+	CreateAt    int64  `json:"create_at"`
+	LastPingAt  int64  `json:"last_ping_at"`
+}
+
+func (o *ClusterDiscovery) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+		o.LastPingAt = o.CreateAt
+	}
+}
+
+func (o *ClusterDiscovery) AutoFillHostname() {
+	// attempt to set the hostname from the OS
+	if len(o.Hostname) == 0 {
+		if hn, err := os.Hostname(); err == nil {
+			o.Hostname = hn
+		}
+	}
+}
+
+func (o *ClusterDiscovery) AutoFillIpAddress(iface string, ipAddress string) {
+	// attempt to set the hostname to the first non-local IP address
+	if len(o.Hostname) == 0 {
+		if len(ipAddress) > 0 {
+			o.Hostname = ipAddress
+		} else {
+			o.Hostname = GetServerIpAddress(iface)
+		}
+	}
+}
+
+func (o *ClusterDiscovery) IsEqual(in *ClusterDiscovery) bool {
+	if in == nil {
+		return false
+	}
+
+	if o.Type != in.Type {
+		return false
+	}
+
+	if o.ClusterName != in.ClusterName {
+		return false
+	}
+
+	if o.Hostname != in.Hostname {
+		return false
+	}
+
+	return true
+}
+
+func FilterClusterDiscovery(vs []*ClusterDiscovery, f func(*ClusterDiscovery) bool) []*ClusterDiscovery {
+	copy := make([]*ClusterDiscovery, 0)
+	for _, v := range vs {
+		if f(v) {
+			copy = append(copy, v)
+		}
+	}
+
+	return copy
+}
+
+func (o *ClusterDiscovery) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ClusterName) == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Type) == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Hostname) == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.hostname.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.LastPingAt == 0 {
+		return NewAppError("ClusterDiscovery.IsValid", "model.cluster.is_valid.last_ping_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *ClusterDiscovery) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+func ClusterDiscoveryFromJson(data io.Reader) *ClusterDiscovery {
+	decoder := json.NewDecoder(data)
+	var me ClusterDiscovery
+	err := decoder.Decode(&me)
+	if err == nil {
+		return &me
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_info.go b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_info.go
new file mode 100644
index 00000000..82437469
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_info.go
@@ -0,0 +1,44 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ClusterInfo struct {
+	Id         string `json:"id"`
+	Version    string `json:"version"`
+	ConfigHash string `json:"config_hash"`
+	IpAddress  string `json:"ipaddress"`
+	Hostname   string `json:"hostname"`
+}
+
+func (me *ClusterInfo) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func ClusterInfoFromJson(data io.Reader) *ClusterInfo {
+	var me *ClusterInfo
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
+
+func ClusterInfosToJson(objmap []*ClusterInfo) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+func ClusterInfosFromJson(data io.Reader) []*ClusterInfo {
+	decoder := json.NewDecoder(data)
+
+	var objmap []*ClusterInfo
+	if err := decoder.Decode(&objmap); err != nil {
+		return make([]*ClusterInfo, 0)
+	} else {
+		return objmap
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_message.go b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_message.go
new file mode 100644
index 00000000..86113d78
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_message.go
@@ -0,0 +1,68 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	CLUSTER_EVENT_PUBLISH                                           = "publish"
+	CLUSTER_EVENT_UPDATE_STATUS                                     = "update_status"
+	CLUSTER_EVENT_INVALIDATE_ALL_CACHES                             = "inv_all_caches"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_REACTIONS                    = "inv_reactions"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_WEBHOOK                      = "inv_webhook"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_POSTS                = "inv_channel_posts"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_MEMBERS_NOTIFY_PROPS = "inv_channel_members_notify_props"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_MEMBERS              = "inv_channel_members"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_BY_NAME              = "inv_channel_name"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL                      = "inv_channel"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_GUEST_COUNT          = "inv_channel_guest_count"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_USER                         = "inv_user"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_USER_TEAMS                   = "inv_user_teams"
+	CLUSTER_EVENT_CLEAR_SESSION_CACHE_FOR_USER                      = "clear_session_user"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_ROLES                        = "inv_roles"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_ROLE_PERMISSIONS             = "inv_role_permissions"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_PROFILE_BY_IDS               = "inv_profile_ids"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_PROFILE_IN_CHANNEL           = "inv_profile_in_channel"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_SCHEMES                      = "inv_schemes"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_FILE_INFOS                   = "inv_file_infos"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_WEBHOOKS                     = "inv_webhooks"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_EMOJIS_BY_ID                 = "inv_emojis_by_id"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_EMOJIS_ID_BY_NAME            = "inv_emojis_id_by_name"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_PINNEDPOSTS_COUNTS   = "inv_channel_pinnedposts_counts"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_MEMBER_COUNTS        = "inv_channel_member_counts"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_LAST_POSTS                   = "inv_last_posts"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_LAST_POST_TIME               = "inv_last_post_time"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_TEAMS                        = "inv_teams"
+	CLUSTER_EVENT_CLEAR_SESSION_CACHE_FOR_ALL_USERS                 = "inv_all_user_sessions"
+	CLUSTER_EVENT_INSTALL_PLUGIN                                    = "install_plugin"
+	CLUSTER_EVENT_REMOVE_PLUGIN                                     = "remove_plugin"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_TERMS_OF_SERVICE             = "inv_terms_of_service"
+	CLUSTER_EVENT_BUSY_STATE_CHANGED                                = "busy_state_change"
+
+	// SendTypes for ClusterMessage.
+	CLUSTER_SEND_BEST_EFFORT = "best_effort"
+	CLUSTER_SEND_RELIABLE    = "reliable"
+)
+
+type ClusterMessage struct {
+	Event            string            `json:"event"`
+	SendType         string            `json:"-"`
+	WaitForAllToSend bool              `json:"-"`
+	Data             string            `json:"data,omitempty"`
+	Props            map[string]string `json:"props,omitempty"`
+}
+
+func (o *ClusterMessage) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ClusterMessageFromJson(data io.Reader) *ClusterMessage {
+	var o *ClusterMessage
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_stats.go b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_stats.go
new file mode 100644
index 00000000..afc2ab44
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/cluster_stats.go
@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ClusterStats struct {
+	Id                        string `json:"id"`
+	TotalWebsocketConnections int    `json:"total_websocket_connections"`
+	TotalReadDbConnections    int    `json:"total_read_db_connections"`
+	TotalMasterDbConnections  int    `json:"total_master_db_connections"`
+}
+
+func (me *ClusterStats) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func ClusterStatsFromJson(data io.Reader) *ClusterStats {
+	var me *ClusterStats
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command.go
new file mode 100644
index 00000000..6dcf52ae
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command.go
@@ -0,0 +1,148 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+)
+
+const (
+	COMMAND_METHOD_POST = "P"
+	COMMAND_METHOD_GET  = "G"
+	MIN_TRIGGER_LENGTH  = 1
+	MAX_TRIGGER_LENGTH  = 128
+)
+
+type Command struct {
+	Id               string            `json:"id"`
+	Token            string            `json:"token"`
+	CreateAt         int64             `json:"create_at"`
+	UpdateAt         int64             `json:"update_at"`
+	DeleteAt         int64             `json:"delete_at"`
+	CreatorId        string            `json:"creator_id"`
+	TeamId           string            `json:"team_id"`
+	Trigger          string            `json:"trigger"`
+	Method           string            `json:"method"`
+	Username         string            `json:"username"`
+	IconURL          string            `json:"icon_url"`
+	AutoComplete     bool              `json:"auto_complete"`
+	AutoCompleteDesc string            `json:"auto_complete_desc"`
+	AutoCompleteHint string            `json:"auto_complete_hint"`
+	DisplayName      string            `json:"display_name"`
+	Description      string            `json:"description"`
+	URL              string            `json:"url"`
+	AutocompleteData *AutocompleteData `db:"-" json:"autocomplete_data,omitempty"`
+	// AutocompleteIconData is a base64 encoded svg
+	AutocompleteIconData string `db:"-" json:"autocomplete_icon_data,omitempty"`
+}
+
+func (o *Command) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func CommandFromJson(data io.Reader) *Command {
+	var o *Command
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func CommandListToJson(l []*Command) string {
+	b, _ := json.Marshal(l)
+	return string(b)
+}
+
+func CommandListFromJson(data io.Reader) []*Command {
+	var o []*Command
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *Command) IsValid() *AppError {
+
+	if !IsValidId(o.Id) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Token) != 26 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.update_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.CreatorId) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Trigger) < MIN_TRIGGER_LENGTH || len(o.Trigger) > MAX_TRIGGER_LENGTH || strings.Index(o.Trigger, "/") == 0 || strings.Contains(o.Trigger, " ") {
+		return NewAppError("Command.IsValid", "model.command.is_valid.trigger.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.URL) == 0 || len(o.URL) > 1024 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidHttpUrl(o.URL) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.url_http.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(o.Method == COMMAND_METHOD_GET || o.Method == COMMAND_METHOD_POST) {
+		return NewAppError("Command.IsValid", "model.command.is_valid.method.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 128 {
+		return NewAppError("Command.IsValid", "model.command.is_valid.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.AutocompleteData != nil {
+		if err := o.AutocompleteData.IsValid(); err != nil {
+			return NewAppError("Command.IsValid", "model.command.is_valid.autocomplete_data.app_error", nil, err.Error(), http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Command) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.Token == "" {
+		o.Token = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *Command) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+func (o *Command) Sanitize() {
+	o.Token = ""
+	o.CreatorId = ""
+	o.Method = ""
+	o.URL = ""
+	o.Username = ""
+	o.IconURL = ""
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command_args.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command_args.go
new file mode 100644
index 00000000..a3bbb4c9
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command_args.go
@@ -0,0 +1,57 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+
+	goi18n "github.com/mattermost/go-i18n/i18n"
+)
+
+type CommandArgs struct {
+	UserId          string               `json:"user_id"`
+	ChannelId       string               `json:"channel_id"`
+	TeamId          string               `json:"team_id"`
+	RootId          string               `json:"root_id"`
+	ParentId        string               `json:"parent_id"`
+	TriggerId       string               `json:"trigger_id,omitempty"`
+	Command         string               `json:"command"`
+	SiteURL         string               `json:"-"`
+	T               goi18n.TranslateFunc `json:"-"`
+	Session         Session              `json:"-"`
+	UserMentions    UserMentionMap       `json:"-"`
+	ChannelMentions ChannelMentionMap    `json:"-"`
+}
+
+func (o *CommandArgs) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func CommandArgsFromJson(data io.Reader) *CommandArgs {
+	var o *CommandArgs
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+// AddUserMention adds or overrides an entry in UserMentions with name username
+// and identifier userId
+func (o *CommandArgs) AddUserMention(username, userId string) {
+	if o.UserMentions == nil {
+		o.UserMentions = make(UserMentionMap)
+	}
+
+	o.UserMentions[username] = userId
+}
+
+// AddChannelMention adds or overrides an entry in ChannelMentions with name
+// channelName and identifier channelId
+func (o *CommandArgs) AddChannelMention(channelName, channelId string) {
+	if o.ChannelMentions == nil {
+		o.ChannelMentions = make(ChannelMentionMap)
+	}
+
+	o.ChannelMentions[channelName] = channelId
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command_autocomplete.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command_autocomplete.go
new file mode 100644
index 00000000..68d91b23
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command_autocomplete.go
@@ -0,0 +1,455 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/url"
+	"path"
+	"reflect"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+// AutocompleteArgType describes autocomplete argument type
+type AutocompleteArgType string
+
+// Argument types
+const (
+	AutocompleteArgTypeText        AutocompleteArgType = "TextInput"
+	AutocompleteArgTypeStaticList  AutocompleteArgType = "StaticList"
+	AutocompleteArgTypeDynamicList AutocompleteArgType = "DynamicList"
+)
+
+// AutocompleteData describes slash command autocomplete information.
+type AutocompleteData struct {
+	// Trigger of the command
+	Trigger string
+	// Hint of a command
+	Hint string
+	// Text displayed to the user to help with the autocomplete description
+	HelpText string
+	// Role of the user who should be able to see the autocomplete info of this command
+	RoleID string
+	// Arguments of the command. Arguments can be named or positional.
+	// If they are positional order in the list matters, if they are named order does not matter.
+	// All arguments should be either named or positional, no mixing allowed.
+	Arguments []*AutocompleteArg
+	// Subcommands of the command
+	SubCommands []*AutocompleteData
+}
+
+// AutocompleteArg describes an argument of the command. Arguments can be named or positional.
+// If Name is empty string Argument is positional otherwise it is named argument.
+// Named arguments are passed as --Name Argument_Value.
+type AutocompleteArg struct {
+	// Name of the argument
+	Name string
+	// Text displayed to the user to help with the autocomplete
+	HelpText string
+	// Type of the argument
+	Type AutocompleteArgType
+	// Required determins if argument is optional or not.
+	Required bool
+	// Actual data of the argument (depends on the Type)
+	Data interface{}
+}
+
+// AutocompleteTextArg describes text user can input as an argument.
+type AutocompleteTextArg struct {
+	// Hint of the input text
+	Hint string
+	// Regex pattern to match
+	Pattern string
+}
+
+// AutocompleteListItem describes an item in the AutocompleteStaticListArg.
+type AutocompleteListItem struct {
+	Item     string
+	Hint     string
+	HelpText string
+}
+
+// AutocompleteStaticListArg is used to input one of the arguments from the list,
+// for example [yes, no], [on, off], and so on.
+type AutocompleteStaticListArg struct {
+	PossibleArguments []AutocompleteListItem
+}
+
+// AutocompleteDynamicListArg is used when user wants to download possible argument list from the URL.
+type AutocompleteDynamicListArg struct {
+	FetchURL string
+}
+
+// AutocompleteSuggestion describes a single suggestion item sent to the front-end
+// Example: for user input `/jira cre` -
+// Complete might be `/jira create`
+// Suggestion might be `create`,
+// Hint might be `[issue text]`,
+// Description might be `Create a new Issue`
+type AutocompleteSuggestion struct {
+	// Complete describes completed suggestion
+	Complete string
+	// Suggestion describes what user might want to input next
+	Suggestion string
+	// Hint describes a hint about the suggested input
+	Hint string
+	// Description of the command or a suggestion
+	Description string
+	// IconData is base64 encoded svg image
+	IconData string
+}
+
+// NewAutocompleteData returns new Autocomplete data.
+func NewAutocompleteData(trigger, hint, helpText string) *AutocompleteData {
+	return &AutocompleteData{
+		Trigger:     trigger,
+		Hint:        hint,
+		HelpText:    helpText,
+		RoleID:      SYSTEM_USER_ROLE_ID,
+		Arguments:   []*AutocompleteArg{},
+		SubCommands: []*AutocompleteData{},
+	}
+}
+
+// AddCommand adds a subcommand to the autocomplete data.
+func (ad *AutocompleteData) AddCommand(command *AutocompleteData) {
+	ad.SubCommands = append(ad.SubCommands, command)
+}
+
+// AddTextArgument adds positional AutocompleteArgTypeText argument to the command.
+func (ad *AutocompleteData) AddTextArgument(helpText, hint, pattern string) {
+	ad.AddNamedTextArgument("", helpText, hint, pattern, true)
+}
+
+// AddNamedTextArgument adds named AutocompleteArgTypeText argument to the command.
+func (ad *AutocompleteData) AddNamedTextArgument(name, helpText, hint, pattern string, required bool) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeText,
+		Required: required,
+		Data:     &AutocompleteTextArg{Hint: hint, Pattern: pattern},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// AddStaticListArgument adds positional AutocompleteArgTypeStaticList argument to the command.
+func (ad *AutocompleteData) AddStaticListArgument(helpText string, required bool, items []AutocompleteListItem) {
+	ad.AddNamedStaticListArgument("", helpText, required, items)
+}
+
+// AddNamedStaticListArgument adds named AutocompleteArgTypeStaticList argument to the command.
+func (ad *AutocompleteData) AddNamedStaticListArgument(name, helpText string, required bool, items []AutocompleteListItem) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeStaticList,
+		Required: required,
+		Data:     &AutocompleteStaticListArg{PossibleArguments: items},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// AddDynamicListArgument adds positional AutocompleteArgTypeDynamicList argument to the command.
+func (ad *AutocompleteData) AddDynamicListArgument(helpText, url string, required bool) {
+	ad.AddNamedDynamicListArgument("", helpText, url, required)
+}
+
+// AddNamedDynamicListArgument adds named AutocompleteArgTypeDynamicList argument to the command.
+func (ad *AutocompleteData) AddNamedDynamicListArgument(name, helpText, url string, required bool) {
+	argument := AutocompleteArg{
+		Name:     name,
+		HelpText: helpText,
+		Type:     AutocompleteArgTypeDynamicList,
+		Required: required,
+		Data:     &AutocompleteDynamicListArg{FetchURL: url},
+	}
+	ad.Arguments = append(ad.Arguments, &argument)
+}
+
+// Equals method checks if command is the same.
+func (ad *AutocompleteData) Equals(command *AutocompleteData) bool {
+	if !(ad.Trigger == command.Trigger && ad.HelpText == command.HelpText && ad.RoleID == command.RoleID && ad.Hint == command.Hint) {
+		return false
+	}
+	if len(ad.Arguments) != len(command.Arguments) || len(ad.SubCommands) != len(command.SubCommands) {
+		return false
+	}
+	for i := range ad.Arguments {
+		if !ad.Arguments[i].Equals(command.Arguments[i]) {
+			return false
+		}
+	}
+	for i := range ad.SubCommands {
+		if !ad.SubCommands[i].Equals(command.SubCommands[i]) {
+			return false
+		}
+	}
+	return true
+}
+
+// UpdateRelativeURLsForPluginCommands method updates relative urls for plugin commands
+func (ad *AutocompleteData) UpdateRelativeURLsForPluginCommands(baseURL *url.URL) error {
+	for _, arg := range ad.Arguments {
+		if arg.Type != AutocompleteArgTypeDynamicList {
+			continue
+		}
+		dynamicList, ok := arg.Data.(*AutocompleteDynamicListArg)
+		if !ok {
+			return errors.New("Not a proper DynamicList type argument")
+		}
+		dynamicListURL, err := url.Parse(dynamicList.FetchURL)
+		if err != nil {
+			return errors.Wrapf(err, "FetchURL is not a proper url")
+		}
+		if !dynamicListURL.IsAbs() {
+			absURL := &url.URL{}
+			*absURL = *baseURL
+			absURL.Path = path.Join(absURL.Path, dynamicList.FetchURL)
+			dynamicList.FetchURL = absURL.String()
+		}
+
+	}
+	for _, command := range ad.SubCommands {
+		err := command.UpdateRelativeURLsForPluginCommands(baseURL)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// IsValid method checks if autocomplete data is valid.
+func (ad *AutocompleteData) IsValid() error {
+	if ad == nil {
+		return errors.New("No nil commands are allowed in AutocompleteData")
+	}
+	if ad.Trigger == "" {
+		return errors.New("An empty command name in the autocomplete data")
+	}
+	if strings.ToLower(ad.Trigger) != ad.Trigger {
+		return errors.New("Command should be lowercase")
+	}
+	roles := []string{SYSTEM_ADMIN_ROLE_ID, SYSTEM_USER_ROLE_ID, ""}
+	if stringNotInSlice(ad.RoleID, roles) {
+		return errors.New("Wrong role in the autocomplete data")
+	}
+	if len(ad.Arguments) > 0 && len(ad.SubCommands) > 0 {
+		return errors.New("Command can't have arguments and subcommands")
+	}
+	if len(ad.Arguments) > 0 {
+		namedArgumentIndex := -1
+		for i, arg := range ad.Arguments {
+			if arg.Name != "" { // it's a named argument
+				if namedArgumentIndex == -1 { // first named argument
+					namedArgumentIndex = i
+				}
+			} else { // it's a positional argument
+				if namedArgumentIndex != -1 {
+					return errors.New("Named argument should not be before positional argument")
+				}
+			}
+			if arg.Type == AutocompleteArgTypeDynamicList {
+				dynamicList, ok := arg.Data.(*AutocompleteDynamicListArg)
+				if !ok {
+					return errors.New("Not a proper DynamicList type argument")
+				}
+				_, err := url.Parse(dynamicList.FetchURL)
+				if err != nil {
+					return errors.Wrapf(err, "FetchURL is not a proper url")
+				}
+			} else if arg.Type == AutocompleteArgTypeStaticList {
+				staticList, ok := arg.Data.(*AutocompleteStaticListArg)
+				if !ok {
+					return errors.New("Not a proper StaticList type argument")
+				}
+				for _, arg := range staticList.PossibleArguments {
+					if arg.Item == "" {
+						return errors.New("Possible argument name not set in StaticList argument")
+					}
+				}
+			} else if arg.Type == AutocompleteArgTypeText {
+				if _, ok := arg.Data.(*AutocompleteTextArg); !ok {
+					return errors.New("Not a proper TextInput type argument")
+				}
+				if arg.Name == "" && !arg.Required {
+					return errors.New("Positional argument can not be optional")
+				}
+			}
+		}
+	}
+	for _, command := range ad.SubCommands {
+		err := command.IsValid()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// ToJSON encodes AutocompleteData struct to the json
+func (ad *AutocompleteData) ToJSON() ([]byte, error) {
+	b, err := json.Marshal(ad)
+	if err != nil {
+		return nil, errors.Wrapf(err, "can't marshal slash command %s", ad.Trigger)
+	}
+	return b, nil
+}
+
+// AutocompleteDataFromJSON decodes AutocompleteData struct from the json
+func AutocompleteDataFromJSON(data []byte) (*AutocompleteData, error) {
+	var ad AutocompleteData
+	if err := json.Unmarshal(data, &ad); err != nil {
+		return nil, errors.Wrap(err, "can't unmarshal AutocompleteData")
+	}
+	return &ad, nil
+}
+
+// Equals method checks if argument is the same.
+func (a *AutocompleteArg) Equals(arg *AutocompleteArg) bool {
+	if a.Name != arg.Name ||
+		a.HelpText != arg.HelpText ||
+		a.Type != arg.Type ||
+		a.Required != arg.Required ||
+		!reflect.DeepEqual(a.Data, arg.Data) {
+		return false
+	}
+	return true
+}
+
+// UnmarshalJSON will unmarshal argument
+func (a *AutocompleteArg) UnmarshalJSON(b []byte) error {
+	var arg map[string]interface{}
+	if err := json.Unmarshal(b, &arg); err != nil {
+		return errors.Wrapf(err, "Can't unmarshal argument %s", string(b))
+	}
+	var ok bool
+	a.Name, ok = arg["Name"].(string)
+	if !ok {
+		return errors.Errorf("No field Name in the argument %s", string(b))
+	}
+
+	a.HelpText, ok = arg["HelpText"].(string)
+	if !ok {
+		return errors.Errorf("No field HelpText in the argument %s", string(b))
+	}
+
+	t, ok := arg["Type"].(string)
+	if !ok {
+		return errors.Errorf("No field Type in the argument %s", string(b))
+	}
+	a.Type = AutocompleteArgType(t)
+
+	a.Required, ok = arg["Required"].(bool)
+	if !ok {
+		return errors.Errorf("No field Required in the argument %s", string(b))
+	}
+
+	data, ok := arg["Data"]
+	if !ok {
+		return errors.Errorf("No field Data in the argument %s", string(b))
+	}
+
+	if a.Type == AutocompleteArgTypeText {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong Data type in the TextInput argument %s", string(b))
+		}
+		pattern, ok := m["Pattern"].(string)
+		if !ok {
+			return errors.Errorf("No field Pattern in the TextInput argument %s", string(b))
+		}
+		hint, ok := m["Hint"].(string)
+		if !ok {
+			return errors.Errorf("No field Hint in the TextInput argument %s", string(b))
+		}
+		a.Data = &AutocompleteTextArg{Hint: hint, Pattern: pattern}
+	} else if a.Type == AutocompleteArgTypeStaticList {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong Data type in the StaticList argument %s", string(b))
+		}
+		list, ok := m["PossibleArguments"].([]interface{})
+		if !ok {
+			return errors.Errorf("No field PossibleArguments in the StaticList argument %s", string(b))
+		}
+
+		possibleArguments := []AutocompleteListItem{}
+		for i := range list {
+			args, ok := list[i].(map[string]interface{})
+			if !ok {
+				return errors.Errorf("Wrong AutocompleteStaticListItem type in the StaticList argument %s", string(b))
+			}
+			item, ok := args["Item"].(string)
+			if !ok {
+				return errors.Errorf("No field Item in the StaticList's possible arguments %s", string(b))
+			}
+
+			hint, ok := args["Hint"].(string)
+			if !ok {
+				return errors.Errorf("No field Hint in the StaticList's possible arguments %s", string(b))
+			}
+			helpText, ok := args["HelpText"].(string)
+			if !ok {
+				return errors.Errorf("No field Hint in the StaticList's possible arguments %s", string(b))
+			}
+
+			possibleArguments = append(possibleArguments, AutocompleteListItem{
+				Item:     item,
+				Hint:     hint,
+				HelpText: helpText,
+			})
+		}
+		a.Data = &AutocompleteStaticListArg{PossibleArguments: possibleArguments}
+	} else if a.Type == AutocompleteArgTypeDynamicList {
+		m, ok := data.(map[string]interface{})
+		if !ok {
+			return errors.Errorf("Wrong type in the DynamicList argument %s", string(b))
+		}
+		url, ok := m["FetchURL"].(string)
+		if !ok {
+			return errors.Errorf("No field FetchURL in the DynamicList's argument %s", string(b))
+		}
+		a.Data = &AutocompleteDynamicListArg{FetchURL: url}
+	}
+	return nil
+}
+
+// AutocompleteSuggestionsToJSON returns json for a list of AutocompleteSuggestion objects
+func AutocompleteSuggestionsToJSON(suggestions []AutocompleteSuggestion) []byte {
+	b, _ := json.Marshal(suggestions)
+	return b
+}
+
+// AutocompleteSuggestionsFromJSON returns list of AutocompleteSuggestions from json.
+func AutocompleteSuggestionsFromJSON(data io.Reader) []AutocompleteSuggestion {
+	var o []AutocompleteSuggestion
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+// AutocompleteStaticListItemsToJSON returns json for a list of AutocompleteStaticListItem objects
+func AutocompleteStaticListItemsToJSON(items []AutocompleteListItem) []byte {
+	b, _ := json.Marshal(items)
+	return b
+}
+
+// AutocompleteStaticListItemsFromJSON returns list of AutocompleteStaticListItem from json.
+func AutocompleteStaticListItemsFromJSON(data io.Reader) []AutocompleteListItem {
+	var o []AutocompleteListItem
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func stringNotInSlice(a string, slice []string) bool {
+	for _, b := range slice {
+		if b == a {
+			return false
+		}
+	}
+	return true
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command_request.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command_request.go
new file mode 100644
index 00000000..9a4e40c8
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command_request.go
@@ -0,0 +1,31 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type CommandMoveRequest struct {
+	TeamId string `json:"team_id"`
+}
+
+func CommandMoveRequestFromJson(data io.Reader) (*CommandMoveRequest, error) {
+	decoder := json.NewDecoder(data)
+	var cmr CommandMoveRequest
+	err := decoder.Decode(&cmr)
+	if err != nil {
+		return nil, err
+	}
+	return &cmr, nil
+}
+
+func (cmr *CommandMoveRequest) ToJson() string {
+	b, err := json.Marshal(cmr)
+	if err != nil {
+		return ""
+	}
+	return string(b)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command_response.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command_response.go
new file mode 100644
index 00000000..26b6cceb
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command_response.go
@@ -0,0 +1,77 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"strings"
+
+	"github.com/mattermost/mattermost-server/v5/utils/jsonutils"
+)
+
+const (
+	COMMAND_RESPONSE_TYPE_IN_CHANNEL = "in_channel"
+	COMMAND_RESPONSE_TYPE_EPHEMERAL  = "ephemeral"
+)
+
+type CommandResponse struct {
+	ResponseType     string             `json:"response_type"`
+	Text             string             `json:"text"`
+	Username         string             `json:"username"`
+	ChannelId        string             `json:"channel_id"`
+	IconURL          string             `json:"icon_url"`
+	Type             string             `json:"type"`
+	Props            StringInterface    `json:"props"`
+	GotoLocation     string             `json:"goto_location"`
+	TriggerId        string             `json:"trigger_id"`
+	SkipSlackParsing bool               `json:"skip_slack_parsing"` // Set to `true` to skip the Slack-compatibility handling of Text.
+	Attachments      []*SlackAttachment `json:"attachments"`
+	ExtraResponses   []*CommandResponse `json:"extra_responses"`
+}
+
+func (o *CommandResponse) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func CommandResponseFromHTTPBody(contentType string, body io.Reader) (*CommandResponse, error) {
+	if strings.TrimSpace(strings.Split(contentType, ";")[0]) == "application/json" {
+		return CommandResponseFromJson(body)
+	}
+	if b, err := ioutil.ReadAll(body); err == nil {
+		return CommandResponseFromPlainText(string(b)), nil
+	}
+	return nil, nil
+}
+
+func CommandResponseFromPlainText(text string) *CommandResponse {
+	return &CommandResponse{
+		Text: text,
+	}
+}
+
+func CommandResponseFromJson(data io.Reader) (*CommandResponse, error) {
+	b, err := ioutil.ReadAll(data)
+	if err != nil {
+		return nil, err
+	}
+
+	var o CommandResponse
+	err = json.Unmarshal(b, &o)
+	if err != nil {
+		return nil, jsonutils.HumanizeJsonError(err, b)
+	}
+
+	o.Attachments = StringifySlackFieldValue(o.Attachments)
+
+	if o.ExtraResponses != nil {
+		for _, resp := range o.ExtraResponses {
+			resp.Attachments = StringifySlackFieldValue(resp.Attachments)
+		}
+	}
+
+	return &o, nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/command_webhook.go b/vendor/github.com/mattermost/mattermost-server/v5/model/command_webhook.go
new file mode 100644
index 00000000..42a16cc7
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/command_webhook.go
@@ -0,0 +1,65 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+type CommandWebhook struct {
+	Id        string
+	CreateAt  int64
+	CommandId string
+	UserId    string
+	ChannelId string
+	RootId    string
+	ParentId  string
+	UseCount  int
+}
+
+const (
+	COMMAND_WEBHOOK_LIFETIME = 1000 * 60 * 30
+)
+
+func (o *CommandWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+}
+
+func (o *CommandWebhook) IsValid() *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.CommandId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.command_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.RootId) != 0 && !IsValidId(o.RootId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.root_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ParentId) != 0 && !IsValidId(o.ParentId) {
+		return NewAppError("CommandWebhook.IsValid", "model.command_hook.parent_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/compliance.go b/vendor/github.com/mattermost/mattermost-server/v5/model/compliance.go
new file mode 100644
index 00000000..a86087c1
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/compliance.go
@@ -0,0 +1,119 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"strings"
+)
+
+const (
+	COMPLIANCE_STATUS_CREATED  = "created"
+	COMPLIANCE_STATUS_RUNNING  = "running"
+	COMPLIANCE_STATUS_FINISHED = "finished"
+	COMPLIANCE_STATUS_FAILED   = "failed"
+	COMPLIANCE_STATUS_REMOVED  = "removed"
+
+	COMPLIANCE_TYPE_DAILY = "daily"
+	COMPLIANCE_TYPE_ADHOC = "adhoc"
+)
+
+type Compliance struct {
+	Id       string `json:"id"`
+	CreateAt int64  `json:"create_at"`
+	UserId   string `json:"user_id"`
+	Status   string `json:"status"`
+	Count    int    `json:"count"`
+	Desc     string `json:"desc"`
+	Type     string `json:"type"`
+	StartAt  int64  `json:"start_at"`
+	EndAt    int64  `json:"end_at"`
+	Keywords string `json:"keywords"`
+	Emails   string `json:"emails"`
+}
+
+type Compliances []Compliance
+
+func (c *Compliance) ToJson() string {
+	b, _ := json.Marshal(c)
+	return string(b)
+}
+
+func (c *Compliance) PreSave() {
+	if c.Id == "" {
+		c.Id = NewId()
+	}
+
+	if c.Status == "" {
+		c.Status = COMPLIANCE_STATUS_CREATED
+	}
+
+	c.Count = 0
+	c.Emails = NormalizeEmail(c.Emails)
+	c.Keywords = strings.ToLower(c.Keywords)
+
+	c.CreateAt = GetMillis()
+}
+
+func (c *Compliance) JobName() string {
+	jobName := c.Type
+	if c.Type == COMPLIANCE_TYPE_DAILY {
+		jobName += "-" + c.Desc
+	}
+
+	jobName += "-" + c.Id
+
+	return jobName
+}
+
+func (c *Compliance) IsValid() *AppError {
+
+	if !IsValidId(c.Id) {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.CreateAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(c.Desc) > 512 || len(c.Desc) == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.desc.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.StartAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.start_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.EndAt == 0 {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.end_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if c.EndAt <= c.StartAt {
+		return NewAppError("Compliance.IsValid", "model.compliance.is_valid.start_end_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func ComplianceFromJson(data io.Reader) *Compliance {
+	var c *Compliance
+	json.NewDecoder(data).Decode(&c)
+	return c
+}
+
+func (c Compliances) ToJson() string {
+	if b, err := json.Marshal(c); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func CompliancesFromJson(data io.Reader) Compliances {
+	var o Compliances
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/compliance_post.go b/vendor/github.com/mattermost/mattermost-server/v5/model/compliance_post.go
new file mode 100644
index 00000000..fcf65075
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/compliance_post.go
@@ -0,0 +1,126 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"time"
+)
+
+type CompliancePost struct {
+
+	// From Team
+	TeamName        string
+	TeamDisplayName string
+
+	// From Channel
+	ChannelName        string
+	ChannelDisplayName string
+	ChannelType        string
+
+	// From User
+	UserUsername string
+	UserEmail    string
+	UserNickname string
+
+	// From Post
+	PostId         string
+	PostCreateAt   int64
+	PostUpdateAt   int64
+	PostDeleteAt   int64
+	PostRootId     string
+	PostParentId   string
+	PostOriginalId string
+	PostMessage    string
+	PostType       string
+	PostProps      string
+	PostHashtags   string
+	PostFileIds    string
+
+	IsBot bool
+}
+
+func CompliancePostHeader() []string {
+	return []string{
+		"TeamName",
+		"TeamDisplayName",
+
+		"ChannelName",
+		"ChannelDisplayName",
+		"ChannelType",
+
+		"UserUsername",
+		"UserEmail",
+		"UserNickname",
+
+		"PostId",
+		"PostCreateAt",
+		"PostUpdateAt",
+		"PostDeleteAt",
+		"PostRootId",
+		"PostParentId",
+		"PostOriginalId",
+		"PostMessage",
+		"PostType",
+		"PostProps",
+		"PostHashtags",
+		"PostFileIds",
+		"UserType",
+	}
+}
+
+func cleanComplianceStrings(in string) string {
+	if matched, _ := regexp.MatchString("^\\s*(=|\\+|\\-)", in); matched {
+		return "'" + in
+
+	} else {
+		return in
+	}
+}
+
+func (me *CompliancePost) Row() []string {
+
+	postDeleteAt := ""
+	if me.PostDeleteAt > 0 {
+		postDeleteAt = time.Unix(0, me.PostDeleteAt*int64(1000*1000)).Format(time.RFC3339)
+	}
+
+	postUpdateAt := ""
+	if me.PostUpdateAt != me.PostCreateAt {
+		postUpdateAt = time.Unix(0, me.PostUpdateAt*int64(1000*1000)).Format(time.RFC3339)
+	}
+
+	userType := "user"
+	if me.IsBot {
+		userType = "bot"
+	}
+
+	return []string{
+		cleanComplianceStrings(me.TeamName),
+		cleanComplianceStrings(me.TeamDisplayName),
+
+		cleanComplianceStrings(me.ChannelName),
+		cleanComplianceStrings(me.ChannelDisplayName),
+		cleanComplianceStrings(me.ChannelType),
+
+		cleanComplianceStrings(me.UserUsername),
+		cleanComplianceStrings(me.UserEmail),
+		cleanComplianceStrings(me.UserNickname),
+		userType,
+
+		me.PostId,
+		time.Unix(0, me.PostCreateAt*int64(1000*1000)).Format(time.RFC3339),
+		postUpdateAt,
+		postDeleteAt,
+
+		me.PostRootId,
+		me.PostParentId,
+		me.PostOriginalId,
+		cleanComplianceStrings(me.PostMessage),
+		me.PostType,
+		me.PostProps,
+		me.PostHashtags,
+		me.PostFileIds,
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/config.go b/vendor/github.com/mattermost/mattermost-server/v5/model/config.go
new file mode 100644
index 00000000..4ca62e79
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/config.go
@@ -0,0 +1,3451 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"io"
+	"math"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/mattermost/ldap"
+)
+
+const (
+	CONN_SECURITY_NONE     = ""
+	CONN_SECURITY_PLAIN    = "PLAIN"
+	CONN_SECURITY_TLS      = "TLS"
+	CONN_SECURITY_STARTTLS = "STARTTLS"
+
+	IMAGE_DRIVER_LOCAL = "local"
+	IMAGE_DRIVER_S3    = "amazons3"
+
+	DATABASE_DRIVER_SQLITE   = "sqlite3"
+	DATABASE_DRIVER_MYSQL    = "mysql"
+	DATABASE_DRIVER_POSTGRES = "postgres"
+
+	MINIO_ACCESS_KEY = "minioaccesskey"
+	MINIO_SECRET_KEY = "miniosecretkey"
+	MINIO_BUCKET     = "mattermost-test"
+
+	PASSWORD_MAXIMUM_LENGTH = 64
+	PASSWORD_MINIMUM_LENGTH = 5
+
+	SERVICE_GITLAB    = "gitlab"
+	SERVICE_GOOGLE    = "google"
+	SERVICE_OFFICE365 = "office365"
+
+	GENERIC_NO_CHANNEL_NOTIFICATION = "generic_no_channel"
+	GENERIC_NOTIFICATION            = "generic"
+	GENERIC_NOTIFICATION_SERVER     = "https://push-test.mattermost.com"
+	FULL_NOTIFICATION               = "full"
+	ID_LOADED_NOTIFICATION          = "id_loaded"
+
+	DIRECT_MESSAGE_ANY  = "any"
+	DIRECT_MESSAGE_TEAM = "team"
+
+	SHOW_USERNAME          = "username"
+	SHOW_NICKNAME_FULLNAME = "nickname_full_name"
+	SHOW_FULLNAME          = "full_name"
+
+	PERMISSIONS_ALL           = "all"
+	PERMISSIONS_CHANNEL_ADMIN = "channel_admin"
+	PERMISSIONS_TEAM_ADMIN    = "team_admin"
+	PERMISSIONS_SYSTEM_ADMIN  = "system_admin"
+
+	FAKE_SETTING = "********************************"
+
+	RESTRICT_EMOJI_CREATION_ALL          = "all"
+	RESTRICT_EMOJI_CREATION_ADMIN        = "admin"
+	RESTRICT_EMOJI_CREATION_SYSTEM_ADMIN = "system_admin"
+
+	PERMISSIONS_DELETE_POST_ALL          = "all"
+	PERMISSIONS_DELETE_POST_TEAM_ADMIN   = "team_admin"
+	PERMISSIONS_DELETE_POST_SYSTEM_ADMIN = "system_admin"
+
+	ALLOW_EDIT_POST_ALWAYS     = "always"
+	ALLOW_EDIT_POST_NEVER      = "never"
+	ALLOW_EDIT_POST_TIME_LIMIT = "time_limit"
+
+	GROUP_UNREAD_CHANNELS_DISABLED    = "disabled"
+	GROUP_UNREAD_CHANNELS_DEFAULT_ON  = "default_on"
+	GROUP_UNREAD_CHANNELS_DEFAULT_OFF = "default_off"
+
+	EMAIL_BATCHING_BUFFER_SIZE = 256
+	EMAIL_BATCHING_INTERVAL    = 30
+
+	EMAIL_NOTIFICATION_CONTENTS_FULL    = "full"
+	EMAIL_NOTIFICATION_CONTENTS_GENERIC = "generic"
+
+	SITENAME_MAX_LENGTH = 30
+
+	SERVICE_SETTINGS_DEFAULT_SITE_URL           = "http://localhost:8065"
+	SERVICE_SETTINGS_DEFAULT_TLS_CERT_FILE      = ""
+	SERVICE_SETTINGS_DEFAULT_TLS_KEY_FILE       = ""
+	SERVICE_SETTINGS_DEFAULT_READ_TIMEOUT       = 300
+	SERVICE_SETTINGS_DEFAULT_WRITE_TIMEOUT      = 300
+	SERVICE_SETTINGS_DEFAULT_IDLE_TIMEOUT       = 60
+	SERVICE_SETTINGS_DEFAULT_MAX_LOGIN_ATTEMPTS = 10
+	SERVICE_SETTINGS_DEFAULT_ALLOW_CORS_FROM    = ""
+	SERVICE_SETTINGS_DEFAULT_LISTEN_AND_ADDRESS = ":8065"
+	SERVICE_SETTINGS_DEFAULT_GFYCAT_API_KEY     = "2_KtH_W5"
+	SERVICE_SETTINGS_DEFAULT_GFYCAT_API_SECRET  = "3wLVZPiswc3DnaiaFoLkDvB4X0IV6CpMkj4tf2inJRsBY6-FnkT08zGmppWFgeof"
+
+	TEAM_SETTINGS_DEFAULT_SITE_NAME                = "Mattermost"
+	TEAM_SETTINGS_DEFAULT_MAX_USERS_PER_TEAM       = 50
+	TEAM_SETTINGS_DEFAULT_CUSTOM_BRAND_TEXT        = ""
+	TEAM_SETTINGS_DEFAULT_CUSTOM_DESCRIPTION_TEXT  = ""
+	TEAM_SETTINGS_DEFAULT_USER_STATUS_AWAY_TIMEOUT = 300
+
+	SQL_SETTINGS_DEFAULT_DATA_SOURCE = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s"
+
+	FILE_SETTINGS_DEFAULT_DIRECTORY = "./data/"
+
+	EMAIL_SETTINGS_DEFAULT_FEEDBACK_ORGANIZATION = ""
+
+	SUPPORT_SETTINGS_DEFAULT_TERMS_OF_SERVICE_LINK = "https://about.mattermost.com/default-terms/"
+	SUPPORT_SETTINGS_DEFAULT_PRIVACY_POLICY_LINK   = "https://about.mattermost.com/default-privacy-policy/"
+	SUPPORT_SETTINGS_DEFAULT_ABOUT_LINK            = "https://about.mattermost.com/default-about/"
+	SUPPORT_SETTINGS_DEFAULT_HELP_LINK             = "https://about.mattermost.com/default-help/"
+	SUPPORT_SETTINGS_DEFAULT_REPORT_A_PROBLEM_LINK = "https://about.mattermost.com/default-report-a-problem/"
+	SUPPORT_SETTINGS_DEFAULT_SUPPORT_EMAIL         = "feedback@mattermost.com"
+	SUPPORT_SETTINGS_DEFAULT_RE_ACCEPTANCE_PERIOD  = 365
+
+	LDAP_SETTINGS_DEFAULT_FIRST_NAME_ATTRIBUTE         = ""
+	LDAP_SETTINGS_DEFAULT_LAST_NAME_ATTRIBUTE          = ""
+	LDAP_SETTINGS_DEFAULT_EMAIL_ATTRIBUTE              = ""
+	LDAP_SETTINGS_DEFAULT_USERNAME_ATTRIBUTE           = ""
+	LDAP_SETTINGS_DEFAULT_NICKNAME_ATTRIBUTE           = ""
+	LDAP_SETTINGS_DEFAULT_ID_ATTRIBUTE                 = ""
+	LDAP_SETTINGS_DEFAULT_POSITION_ATTRIBUTE           = ""
+	LDAP_SETTINGS_DEFAULT_LOGIN_FIELD_NAME             = ""
+	LDAP_SETTINGS_DEFAULT_GROUP_DISPLAY_NAME_ATTRIBUTE = ""
+	LDAP_SETTINGS_DEFAULT_GROUP_ID_ATTRIBUTE           = ""
+	LDAP_SETTINGS_DEFAULT_PICTURE_ATTRIBUTE            = ""
+
+	SAML_SETTINGS_DEFAULT_ID_ATTRIBUTE         = ""
+	SAML_SETTINGS_DEFAULT_GUEST_ATTRIBUTE      = ""
+	SAML_SETTINGS_DEFAULT_ADMIN_ATTRIBUTE      = ""
+	SAML_SETTINGS_DEFAULT_FIRST_NAME_ATTRIBUTE = ""
+	SAML_SETTINGS_DEFAULT_LAST_NAME_ATTRIBUTE  = ""
+	SAML_SETTINGS_DEFAULT_EMAIL_ATTRIBUTE      = ""
+	SAML_SETTINGS_DEFAULT_USERNAME_ATTRIBUTE   = ""
+	SAML_SETTINGS_DEFAULT_NICKNAME_ATTRIBUTE   = ""
+	SAML_SETTINGS_DEFAULT_LOCALE_ATTRIBUTE     = ""
+	SAML_SETTINGS_DEFAULT_POSITION_ATTRIBUTE   = ""
+
+	SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA1    = "RSAwithSHA1"
+	SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA256  = "RSAwithSHA256"
+	SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA512  = "RSAwithSHA512"
+	SAML_SETTINGS_DEFAULT_SIGNATURE_ALGORITHM = SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA1
+
+	SAML_SETTINGS_CANONICAL_ALGORITHM_C14N    = "Canonical1.0"
+	SAML_SETTINGS_CANONICAL_ALGORITHM_C14N11  = "Canonical1.1"
+	SAML_SETTINGS_DEFAULT_CANONICAL_ALGORITHM = SAML_SETTINGS_CANONICAL_ALGORITHM_C14N
+
+	NATIVEAPP_SETTINGS_DEFAULT_APP_DOWNLOAD_LINK         = "https://mattermost.com/download/#mattermostApps"
+	NATIVEAPP_SETTINGS_DEFAULT_ANDROID_APP_DOWNLOAD_LINK = "https://about.mattermost.com/mattermost-android-app/"
+	NATIVEAPP_SETTINGS_DEFAULT_IOS_APP_DOWNLOAD_LINK     = "https://about.mattermost.com/mattermost-ios-app/"
+
+	EXPERIMENTAL_SETTINGS_DEFAULT_LINK_METADATA_TIMEOUT_MILLISECONDS = 5000
+
+	ANALYTICS_SETTINGS_DEFAULT_MAX_USERS_FOR_STATISTICS = 2500
+
+	ANNOUNCEMENT_SETTINGS_DEFAULT_BANNER_COLOR      = "#f2a93b"
+	ANNOUNCEMENT_SETTINGS_DEFAULT_BANNER_TEXT_COLOR = "#333333"
+
+	TEAM_SETTINGS_DEFAULT_TEAM_TEXT = "default"
+
+	ELASTICSEARCH_SETTINGS_DEFAULT_CONNECTION_URL                    = "http://localhost:9200"
+	ELASTICSEARCH_SETTINGS_DEFAULT_USERNAME                          = "elastic"
+	ELASTICSEARCH_SETTINGS_DEFAULT_PASSWORD                          = "changeme"
+	ELASTICSEARCH_SETTINGS_DEFAULT_POST_INDEX_REPLICAS               = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_POST_INDEX_SHARDS                 = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_CHANNEL_INDEX_REPLICAS            = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_CHANNEL_INDEX_SHARDS              = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_USER_INDEX_REPLICAS               = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_USER_INDEX_SHARDS                 = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_AGGREGATE_POSTS_AFTER_DAYS        = 365
+	ELASTICSEARCH_SETTINGS_DEFAULT_POSTS_AGGREGATOR_JOB_START_TIME   = "03:00"
+	ELASTICSEARCH_SETTINGS_DEFAULT_INDEX_PREFIX                      = ""
+	ELASTICSEARCH_SETTINGS_DEFAULT_LIVE_INDEXING_BATCH_SIZE          = 1
+	ELASTICSEARCH_SETTINGS_DEFAULT_BULK_INDEXING_TIME_WINDOW_SECONDS = 3600
+	ELASTICSEARCH_SETTINGS_DEFAULT_REQUEST_TIMEOUT_SECONDS           = 30
+
+	BLEVE_SETTINGS_DEFAULT_INDEX_DIR                         = ""
+	BLEVE_SETTINGS_DEFAULT_BULK_INDEXING_TIME_WINDOW_SECONDS = 3600
+
+	DATA_RETENTION_SETTINGS_DEFAULT_MESSAGE_RETENTION_DAYS  = 365
+	DATA_RETENTION_SETTINGS_DEFAULT_FILE_RETENTION_DAYS     = 365
+	DATA_RETENTION_SETTINGS_DEFAULT_DELETION_JOB_START_TIME = "02:00"
+
+	PLUGIN_SETTINGS_DEFAULT_DIRECTORY          = "./plugins"
+	PLUGIN_SETTINGS_DEFAULT_CLIENT_DIRECTORY   = "./client/plugins"
+	PLUGIN_SETTINGS_DEFAULT_ENABLE_MARKETPLACE = true
+	PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL    = "https://api.integrations.mattermost.com"
+	PLUGIN_SETTINGS_OLD_MARKETPLACE_URL        = "https://marketplace.integrations.mattermost.com"
+
+	COMPLIANCE_EXPORT_TYPE_CSV             = "csv"
+	COMPLIANCE_EXPORT_TYPE_ACTIANCE        = "actiance"
+	COMPLIANCE_EXPORT_TYPE_GLOBALRELAY     = "globalrelay"
+	COMPLIANCE_EXPORT_TYPE_GLOBALRELAY_ZIP = "globalrelay-zip"
+	GLOBALRELAY_CUSTOMER_TYPE_A9           = "A9"
+	GLOBALRELAY_CUSTOMER_TYPE_A10          = "A10"
+
+	CLIENT_SIDE_CERT_CHECK_PRIMARY_AUTH   = "primary"
+	CLIENT_SIDE_CERT_CHECK_SECONDARY_AUTH = "secondary"
+
+	IMAGE_PROXY_TYPE_LOCAL      = "local"
+	IMAGE_PROXY_TYPE_ATMOS_CAMO = "atmos/camo"
+
+	GOOGLE_SETTINGS_DEFAULT_SCOPE             = "profile email"
+	GOOGLE_SETTINGS_DEFAULT_AUTH_ENDPOINT     = "https://accounts.google.com/o/oauth2/v2/auth"
+	GOOGLE_SETTINGS_DEFAULT_TOKEN_ENDPOINT    = "https://www.googleapis.com/oauth2/v4/token"
+	GOOGLE_SETTINGS_DEFAULT_USER_API_ENDPOINT = "https://people.googleapis.com/v1/people/me?personFields=names,emailAddresses,nicknames,metadata"
+
+	OFFICE365_SETTINGS_DEFAULT_SCOPE             = "User.Read"
+	OFFICE365_SETTINGS_DEFAULT_AUTH_ENDPOINT     = "https://login.microsoftonline.com/common/oauth2/v2.0/authorize"
+	OFFICE365_SETTINGS_DEFAULT_TOKEN_ENDPOINT    = "https://login.microsoftonline.com/common/oauth2/v2.0/token"
+	OFFICE365_SETTINGS_DEFAULT_USER_API_ENDPOINT = "https://graph.microsoft.com/v1.0/me"
+
+	LOCAL_MODE_SOCKET_PATH = "/var/tmp/mattermost_local.socket"
+)
+
+var ServerTLSSupportedCiphers = map[string]uint16{
+	"TLS_RSA_WITH_RC4_128_SHA":                tls.TLS_RSA_WITH_RC4_128_SHA,
+	"TLS_RSA_WITH_3DES_EDE_CBC_SHA":           tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
+	"TLS_RSA_WITH_AES_128_CBC_SHA":            tls.TLS_RSA_WITH_AES_128_CBC_SHA,
+	"TLS_RSA_WITH_AES_256_CBC_SHA":            tls.TLS_RSA_WITH_AES_256_CBC_SHA,
+	"TLS_RSA_WITH_AES_128_CBC_SHA256":         tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
+	"TLS_RSA_WITH_AES_128_GCM_SHA256":         tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
+	"TLS_RSA_WITH_AES_256_GCM_SHA384":         tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
+	"TLS_ECDHE_ECDSA_WITH_RC4_128_SHA":        tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
+	"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA":    tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+	"TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA":    tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+	"TLS_ECDHE_RSA_WITH_RC4_128_SHA":          tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
+	"TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA":     tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
+	"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA":      tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+	"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA":      tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+	"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256": tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
+	"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256":   tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
+	"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256":   tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+	"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256": tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+	"TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384":   tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+	"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384": tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+	"TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305":    tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
+	"TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305":  tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
+}
+
+type ServiceSettings struct {
+	SiteURL                                           *string  `restricted:"true"`
+	WebsocketURL                                      *string  `restricted:"true"`
+	LicenseFileLocation                               *string  `restricted:"true"`
+	ListenAddress                                     *string  `restricted:"true"`
+	ConnectionSecurity                                *string  `restricted:"true"`
+	TLSCertFile                                       *string  `restricted:"true"`
+	TLSKeyFile                                        *string  `restricted:"true"`
+	TLSMinVer                                         *string  `restricted:"true"`
+	TLSStrictTransport                                *bool    `restricted:"true"`
+	TLSStrictTransportMaxAge                          *int64   `restricted:"true"`
+	TLSOverwriteCiphers                               []string `restricted:"true"`
+	UseLetsEncrypt                                    *bool    `restricted:"true"`
+	LetsEncryptCertificateCacheFile                   *string  `restricted:"true"`
+	Forward80To443                                    *bool    `restricted:"true"`
+	TrustedProxyIPHeader                              []string `restricted:"true"`
+	ReadTimeout                                       *int     `restricted:"true"`
+	WriteTimeout                                      *int     `restricted:"true"`
+	IdleTimeout                                       *int     `restricted:"true"`
+	MaximumLoginAttempts                              *int     `restricted:"true"`
+	GoroutineHealthThreshold                          *int     `restricted:"true"`
+	GoogleDeveloperKey                                *string  `restricted:"true"`
+	EnableOAuthServiceProvider                        *bool
+	EnableIncomingWebhooks                            *bool
+	EnableOutgoingWebhooks                            *bool
+	EnableCommands                                    *bool
+	DEPRECATED_DO_NOT_USE_EnableOnlyAdminIntegrations *bool `json:"EnableOnlyAdminIntegrations" mapstructure:"EnableOnlyAdminIntegrations"` // This field is deprecated and must not be used.
+	EnablePostUsernameOverride                        *bool
+	EnablePostIconOverride                            *bool
+	EnableLinkPreviews                                *bool
+	EnableTesting                                     *bool   `restricted:"true"`
+	EnableDeveloper                                   *bool   `restricted:"true"`
+	EnableOpenTracing                                 *bool   `restricted:"true"`
+	EnableSecurityFixAlert                            *bool   `restricted:"true"`
+	EnableInsecureOutgoingConnections                 *bool   `restricted:"true"`
+	AllowedUntrustedInternalConnections               *string `restricted:"true"`
+	EnableMultifactorAuthentication                   *bool
+	EnforceMultifactorAuthentication                  *bool
+	EnableUserAccessTokens                            *bool
+	AllowCorsFrom                                     *string `restricted:"true"`
+	CorsExposedHeaders                                *string `restricted:"true"`
+	CorsAllowCredentials                              *bool   `restricted:"true"`
+	CorsDebug                                         *bool   `restricted:"true"`
+	AllowCookiesForSubdomains                         *bool   `restricted:"true"`
+	ExtendSessionLengthWithActivity                   *bool   `restricted:"true"`
+	SessionLengthWebInDays                            *int    `restricted:"true"`
+	SessionLengthMobileInDays                         *int    `restricted:"true"`
+	SessionLengthSSOInDays                            *int    `restricted:"true"`
+	SessionCacheInMinutes                             *int    `restricted:"true"`
+	SessionIdleTimeoutInMinutes                       *int    `restricted:"true"`
+	WebsocketSecurePort                               *int    `restricted:"true"`
+	WebsocketPort                                     *int    `restricted:"true"`
+	WebserverMode                                     *string `restricted:"true"`
+	EnableCustomEmoji                                 *bool
+	EnableEmojiPicker                                 *bool
+	EnableGifPicker                                   *bool
+	GfycatApiKey                                      *string
+	GfycatApiSecret                                   *string
+	DEPRECATED_DO_NOT_USE_RestrictCustomEmojiCreation *string `json:"RestrictCustomEmojiCreation" mapstructure:"RestrictCustomEmojiCreation"` // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPostDelete          *string `json:"RestrictPostDelete" mapstructure:"RestrictPostDelete"`                   // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_AllowEditPost               *string `json:"AllowEditPost" mapstructure:"AllowEditPost"`                             // This field is deprecated and must not be used.
+	PostEditTimeLimit                                 *int
+	TimeBetweenUserTypingUpdatesMilliseconds          *int64 `restricted:"true"`
+	EnablePostSearch                                  *bool  `restricted:"true"`
+	MinimumHashtagLength                              *int   `restricted:"true"`
+	EnableUserTypingMessages                          *bool  `restricted:"true"`
+	EnableChannelViewedMessages                       *bool  `restricted:"true"`
+	EnableUserStatuses                                *bool  `restricted:"true"`
+	ExperimentalEnableAuthenticationTransfer          *bool  `restricted:"true"`
+	ClusterLogTimeoutMilliseconds                     *int   `restricted:"true"`
+	CloseUnusedDirectMessages                         *bool
+	EnablePreviewFeatures                             *bool
+	EnableTutorial                                    *bool
+	ExperimentalEnableDefaultChannelLeaveJoinMessages *bool
+	ExperimentalGroupUnreadChannels                   *string
+	ExperimentalChannelOrganization                   *bool
+	ExperimentalChannelSidebarOrganization            *string
+	DEPRECATED_DO_NOT_USE_ImageProxyType              *string `json:"ImageProxyType" mapstructure:"ImageProxyType"`       // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_ImageProxyURL               *string `json:"ImageProxyURL" mapstructure:"ImageProxyURL"`         // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_ImageProxyOptions           *string `json:"ImageProxyOptions" mapstructure:"ImageProxyOptions"` // This field is deprecated and must not be used.
+	EnableAPITeamDeletion                             *bool
+	ExperimentalEnableHardenedMode                    *bool
+	DisableLegacyMFA                                  *bool `restricted:"true"`
+	ExperimentalStrictCSRFEnforcement                 *bool `restricted:"true"`
+	EnableEmailInvitations                            *bool
+	DisableBotsWhenOwnerIsDeactivated                 *bool `restricted:"true"`
+	EnableBotAccountCreation                          *bool
+	EnableSVGs                                        *bool
+	EnableLatex                                       *bool
+	EnableLocalMode                                   *bool
+	LocalModeSocketLocation                           *string
+}
+
+func (s *ServiceSettings) SetDefaults(isUpdate bool) {
+	if s.EnableEmailInvitations == nil {
+		// If the site URL is also not present then assume this is a clean install
+		if s.SiteURL == nil {
+			s.EnableEmailInvitations = NewBool(false)
+		} else {
+			s.EnableEmailInvitations = NewBool(true)
+		}
+	}
+
+	if s.SiteURL == nil {
+		if s.EnableDeveloper != nil && *s.EnableDeveloper {
+			s.SiteURL = NewString(SERVICE_SETTINGS_DEFAULT_SITE_URL)
+		} else {
+			s.SiteURL = NewString("")
+		}
+	}
+
+	if s.WebsocketURL == nil {
+		s.WebsocketURL = NewString("")
+	}
+
+	if s.LicenseFileLocation == nil {
+		s.LicenseFileLocation = NewString("")
+	}
+
+	if s.ListenAddress == nil {
+		s.ListenAddress = NewString(SERVICE_SETTINGS_DEFAULT_LISTEN_AND_ADDRESS)
+	}
+
+	if s.EnableLinkPreviews == nil {
+		s.EnableLinkPreviews = NewBool(true)
+	}
+
+	if s.EnableTesting == nil {
+		s.EnableTesting = NewBool(false)
+	}
+
+	if s.EnableDeveloper == nil {
+		s.EnableDeveloper = NewBool(false)
+	}
+
+	if s.EnableOpenTracing == nil {
+		s.EnableOpenTracing = NewBool(false)
+	}
+
+	if s.EnableSecurityFixAlert == nil {
+		s.EnableSecurityFixAlert = NewBool(true)
+	}
+
+	if s.EnableInsecureOutgoingConnections == nil {
+		s.EnableInsecureOutgoingConnections = NewBool(false)
+	}
+
+	if s.AllowedUntrustedInternalConnections == nil {
+		s.AllowedUntrustedInternalConnections = NewString("")
+	}
+
+	if s.EnableMultifactorAuthentication == nil {
+		s.EnableMultifactorAuthentication = NewBool(false)
+	}
+
+	if s.EnforceMultifactorAuthentication == nil {
+		s.EnforceMultifactorAuthentication = NewBool(false)
+	}
+
+	if s.EnableUserAccessTokens == nil {
+		s.EnableUserAccessTokens = NewBool(false)
+	}
+
+	if s.GoroutineHealthThreshold == nil {
+		s.GoroutineHealthThreshold = NewInt(-1)
+	}
+
+	if s.GoogleDeveloperKey == nil {
+		s.GoogleDeveloperKey = NewString("")
+	}
+
+	if s.EnableOAuthServiceProvider == nil {
+		s.EnableOAuthServiceProvider = NewBool(false)
+	}
+
+	if s.EnableIncomingWebhooks == nil {
+		s.EnableIncomingWebhooks = NewBool(true)
+	}
+
+	if s.EnableOutgoingWebhooks == nil {
+		s.EnableOutgoingWebhooks = NewBool(true)
+	}
+
+	if s.ConnectionSecurity == nil {
+		s.ConnectionSecurity = NewString("")
+	}
+
+	if s.TLSKeyFile == nil {
+		s.TLSKeyFile = NewString(SERVICE_SETTINGS_DEFAULT_TLS_KEY_FILE)
+	}
+
+	if s.TLSCertFile == nil {
+		s.TLSCertFile = NewString(SERVICE_SETTINGS_DEFAULT_TLS_CERT_FILE)
+	}
+
+	if s.TLSMinVer == nil {
+		s.TLSMinVer = NewString("1.2")
+	}
+
+	if s.TLSStrictTransport == nil {
+		s.TLSStrictTransport = NewBool(false)
+	}
+
+	if s.TLSStrictTransportMaxAge == nil {
+		s.TLSStrictTransportMaxAge = NewInt64(63072000)
+	}
+
+	if s.TLSOverwriteCiphers == nil {
+		s.TLSOverwriteCiphers = []string{}
+	}
+
+	if s.UseLetsEncrypt == nil {
+		s.UseLetsEncrypt = NewBool(false)
+	}
+
+	if s.LetsEncryptCertificateCacheFile == nil {
+		s.LetsEncryptCertificateCacheFile = NewString("./config/letsencrypt.cache")
+	}
+
+	if s.ReadTimeout == nil {
+		s.ReadTimeout = NewInt(SERVICE_SETTINGS_DEFAULT_READ_TIMEOUT)
+	}
+
+	if s.WriteTimeout == nil {
+		s.WriteTimeout = NewInt(SERVICE_SETTINGS_DEFAULT_WRITE_TIMEOUT)
+	}
+
+	if s.IdleTimeout == nil {
+		s.IdleTimeout = NewInt(SERVICE_SETTINGS_DEFAULT_IDLE_TIMEOUT)
+	}
+
+	if s.MaximumLoginAttempts == nil {
+		s.MaximumLoginAttempts = NewInt(SERVICE_SETTINGS_DEFAULT_MAX_LOGIN_ATTEMPTS)
+	}
+
+	if s.Forward80To443 == nil {
+		s.Forward80To443 = NewBool(false)
+	}
+
+	if isUpdate {
+		// When updating an existing configuration, ensure that defaults are set.
+		if s.TrustedProxyIPHeader == nil {
+			s.TrustedProxyIPHeader = []string{HEADER_FORWARDED, HEADER_REAL_IP}
+		}
+	} else {
+		// When generating a blank configuration, leave the list empty.
+		s.TrustedProxyIPHeader = []string{}
+	}
+
+	if s.TimeBetweenUserTypingUpdatesMilliseconds == nil {
+		s.TimeBetweenUserTypingUpdatesMilliseconds = NewInt64(5000)
+	}
+
+	if s.EnablePostSearch == nil {
+		s.EnablePostSearch = NewBool(true)
+	}
+
+	if s.MinimumHashtagLength == nil {
+		s.MinimumHashtagLength = NewInt(3)
+	}
+
+	if s.EnableUserTypingMessages == nil {
+		s.EnableUserTypingMessages = NewBool(true)
+	}
+
+	if s.EnableChannelViewedMessages == nil {
+		s.EnableChannelViewedMessages = NewBool(true)
+	}
+
+	if s.EnableUserStatuses == nil {
+		s.EnableUserStatuses = NewBool(true)
+	}
+
+	if s.ClusterLogTimeoutMilliseconds == nil {
+		s.ClusterLogTimeoutMilliseconds = NewInt(2000)
+	}
+
+	if s.CloseUnusedDirectMessages == nil {
+		s.CloseUnusedDirectMessages = NewBool(false)
+	}
+
+	if s.EnableTutorial == nil {
+		s.EnableTutorial = NewBool(true)
+	}
+
+	// Must be manually enabled for existing installations.
+	if s.ExtendSessionLengthWithActivity == nil {
+		s.ExtendSessionLengthWithActivity = NewBool(!isUpdate)
+	}
+
+	if s.SessionLengthWebInDays == nil {
+		if isUpdate {
+			s.SessionLengthWebInDays = NewInt(180)
+		} else {
+			s.SessionLengthWebInDays = NewInt(30)
+		}
+	}
+
+	if s.SessionLengthMobileInDays == nil {
+		if isUpdate {
+			s.SessionLengthMobileInDays = NewInt(180)
+		} else {
+			s.SessionLengthMobileInDays = NewInt(30)
+		}
+	}
+
+	if s.SessionLengthSSOInDays == nil {
+		s.SessionLengthSSOInDays = NewInt(30)
+	}
+
+	if s.SessionCacheInMinutes == nil {
+		s.SessionCacheInMinutes = NewInt(10)
+	}
+
+	if s.SessionIdleTimeoutInMinutes == nil {
+		s.SessionIdleTimeoutInMinutes = NewInt(43200)
+	}
+
+	if s.EnableCommands == nil {
+		s.EnableCommands = NewBool(true)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_EnableOnlyAdminIntegrations == nil {
+		s.DEPRECATED_DO_NOT_USE_EnableOnlyAdminIntegrations = NewBool(true)
+	}
+
+	if s.EnablePostUsernameOverride == nil {
+		s.EnablePostUsernameOverride = NewBool(false)
+	}
+
+	if s.EnablePostIconOverride == nil {
+		s.EnablePostIconOverride = NewBool(false)
+	}
+
+	if s.WebsocketPort == nil {
+		s.WebsocketPort = NewInt(80)
+	}
+
+	if s.WebsocketSecurePort == nil {
+		s.WebsocketSecurePort = NewInt(443)
+	}
+
+	if s.AllowCorsFrom == nil {
+		s.AllowCorsFrom = NewString(SERVICE_SETTINGS_DEFAULT_ALLOW_CORS_FROM)
+	}
+
+	if s.CorsExposedHeaders == nil {
+		s.CorsExposedHeaders = NewString("")
+	}
+
+	if s.CorsAllowCredentials == nil {
+		s.CorsAllowCredentials = NewBool(false)
+	}
+
+	if s.CorsDebug == nil {
+		s.CorsDebug = NewBool(false)
+	}
+
+	if s.AllowCookiesForSubdomains == nil {
+		s.AllowCookiesForSubdomains = NewBool(false)
+	}
+
+	if s.WebserverMode == nil {
+		s.WebserverMode = NewString("gzip")
+	} else if *s.WebserverMode == "regular" {
+		*s.WebserverMode = "gzip"
+	}
+
+	if s.EnableCustomEmoji == nil {
+		s.EnableCustomEmoji = NewBool(false)
+	}
+
+	if s.EnableEmojiPicker == nil {
+		s.EnableEmojiPicker = NewBool(true)
+	}
+
+	if s.EnableGifPicker == nil {
+		s.EnableGifPicker = NewBool(false)
+	}
+
+	if s.GfycatApiKey == nil || *s.GfycatApiKey == "" {
+		s.GfycatApiKey = NewString(SERVICE_SETTINGS_DEFAULT_GFYCAT_API_KEY)
+	}
+
+	if s.GfycatApiSecret == nil || *s.GfycatApiSecret == "" {
+		s.GfycatApiSecret = NewString(SERVICE_SETTINGS_DEFAULT_GFYCAT_API_SECRET)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictCustomEmojiCreation == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictCustomEmojiCreation = NewString(RESTRICT_EMOJI_CREATION_ALL)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPostDelete == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictPostDelete = NewString(PERMISSIONS_DELETE_POST_ALL)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_AllowEditPost == nil {
+		s.DEPRECATED_DO_NOT_USE_AllowEditPost = NewString(ALLOW_EDIT_POST_ALWAYS)
+	}
+
+	if s.ExperimentalEnableAuthenticationTransfer == nil {
+		s.ExperimentalEnableAuthenticationTransfer = NewBool(true)
+	}
+
+	if s.PostEditTimeLimit == nil {
+		s.PostEditTimeLimit = NewInt(-1)
+	}
+
+	if s.EnablePreviewFeatures == nil {
+		s.EnablePreviewFeatures = NewBool(true)
+	}
+
+	if s.ExperimentalEnableDefaultChannelLeaveJoinMessages == nil {
+		s.ExperimentalEnableDefaultChannelLeaveJoinMessages = NewBool(true)
+	}
+
+	if s.ExperimentalGroupUnreadChannels == nil {
+		s.ExperimentalGroupUnreadChannels = NewString(GROUP_UNREAD_CHANNELS_DISABLED)
+	} else if *s.ExperimentalGroupUnreadChannels == "0" {
+		s.ExperimentalGroupUnreadChannels = NewString(GROUP_UNREAD_CHANNELS_DISABLED)
+	} else if *s.ExperimentalGroupUnreadChannels == "1" {
+		s.ExperimentalGroupUnreadChannels = NewString(GROUP_UNREAD_CHANNELS_DEFAULT_ON)
+	}
+
+	if s.ExperimentalChannelOrganization == nil {
+		experimentalUnreadEnabled := *s.ExperimentalGroupUnreadChannels != GROUP_UNREAD_CHANNELS_DISABLED
+		s.ExperimentalChannelOrganization = NewBool(experimentalUnreadEnabled)
+	}
+
+	if s.ExperimentalChannelSidebarOrganization == nil {
+		s.ExperimentalChannelSidebarOrganization = NewString("disabled")
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_ImageProxyType == nil {
+		s.DEPRECATED_DO_NOT_USE_ImageProxyType = NewString("")
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_ImageProxyURL == nil {
+		s.DEPRECATED_DO_NOT_USE_ImageProxyURL = NewString("")
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_ImageProxyOptions == nil {
+		s.DEPRECATED_DO_NOT_USE_ImageProxyOptions = NewString("")
+	}
+
+	if s.EnableAPITeamDeletion == nil {
+		s.EnableAPITeamDeletion = NewBool(false)
+	}
+
+	if s.ExperimentalEnableHardenedMode == nil {
+		s.ExperimentalEnableHardenedMode = NewBool(false)
+	}
+
+	if s.DisableLegacyMFA == nil {
+		s.DisableLegacyMFA = NewBool(!isUpdate)
+	}
+
+	if s.ExperimentalStrictCSRFEnforcement == nil {
+		s.ExperimentalStrictCSRFEnforcement = NewBool(false)
+	}
+
+	if s.DisableBotsWhenOwnerIsDeactivated == nil {
+		s.DisableBotsWhenOwnerIsDeactivated = NewBool(true)
+	}
+
+	if s.EnableBotAccountCreation == nil {
+		s.EnableBotAccountCreation = NewBool(false)
+	}
+
+	if s.EnableSVGs == nil {
+		if isUpdate {
+			s.EnableSVGs = NewBool(true)
+		} else {
+			s.EnableSVGs = NewBool(false)
+		}
+	}
+
+	if s.EnableLatex == nil {
+		if isUpdate {
+			s.EnableLatex = NewBool(true)
+		} else {
+			s.EnableLatex = NewBool(false)
+		}
+	}
+
+	if s.EnableLocalMode == nil {
+		s.EnableLocalMode = NewBool(false)
+	}
+
+	if s.LocalModeSocketLocation == nil {
+		s.LocalModeSocketLocation = NewString(LOCAL_MODE_SOCKET_PATH)
+	}
+}
+
+type ClusterSettings struct {
+	Enable                      *bool   `restricted:"true"`
+	ClusterName                 *string `restricted:"true"`
+	OverrideHostname            *string `restricted:"true"`
+	NetworkInterface            *string `restricted:"true"`
+	BindAddress                 *string `restricted:"true"`
+	AdvertiseAddress            *string `restricted:"true"`
+	UseIpAddress                *bool   `restricted:"true"`
+	UseExperimentalGossip       *bool   `restricted:"true"`
+	ReadOnlyConfig              *bool   `restricted:"true"`
+	GossipPort                  *int    `restricted:"true"`
+	StreamingPort               *int    `restricted:"true"`
+	MaxIdleConns                *int    `restricted:"true"`
+	MaxIdleConnsPerHost         *int    `restricted:"true"`
+	IdleConnTimeoutMilliseconds *int    `restricted:"true"`
+}
+
+func (s *ClusterSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.ClusterName == nil {
+		s.ClusterName = NewString("")
+	}
+
+	if s.OverrideHostname == nil {
+		s.OverrideHostname = NewString("")
+	}
+
+	if s.NetworkInterface == nil {
+		s.NetworkInterface = NewString("")
+	}
+
+	if s.BindAddress == nil {
+		s.BindAddress = NewString("")
+	}
+
+	if s.AdvertiseAddress == nil {
+		s.AdvertiseAddress = NewString("")
+	}
+
+	if s.UseIpAddress == nil {
+		s.UseIpAddress = NewBool(true)
+	}
+
+	if s.UseExperimentalGossip == nil {
+		s.UseExperimentalGossip = NewBool(false)
+	}
+
+	if s.ReadOnlyConfig == nil {
+		s.ReadOnlyConfig = NewBool(true)
+	}
+
+	if s.GossipPort == nil {
+		s.GossipPort = NewInt(8074)
+	}
+
+	if s.StreamingPort == nil {
+		s.StreamingPort = NewInt(8075)
+	}
+
+	if s.MaxIdleConns == nil {
+		s.MaxIdleConns = NewInt(100)
+	}
+
+	if s.MaxIdleConnsPerHost == nil {
+		s.MaxIdleConnsPerHost = NewInt(128)
+	}
+
+	if s.IdleConnTimeoutMilliseconds == nil {
+		s.IdleConnTimeoutMilliseconds = NewInt(90000)
+	}
+}
+
+type MetricsSettings struct {
+	Enable           *bool   `restricted:"true"`
+	BlockProfileRate *int    `restricted:"true"`
+	ListenAddress    *string `restricted:"true"`
+}
+
+func (s *MetricsSettings) SetDefaults() {
+	if s.ListenAddress == nil {
+		s.ListenAddress = NewString(":8067")
+	}
+
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.BlockProfileRate == nil {
+		s.BlockProfileRate = NewInt(0)
+	}
+}
+
+type ExperimentalSettings struct {
+	ClientSideCertEnable            *bool
+	ClientSideCertCheck             *string
+	EnableClickToReply              *bool  `restricted:"true"`
+	LinkMetadataTimeoutMilliseconds *int64 `restricted:"true"`
+	RestrictSystemAdmin             *bool  `restricted:"true"`
+	UseNewSAMLLibrary               *bool
+}
+
+func (s *ExperimentalSettings) SetDefaults() {
+	if s.ClientSideCertEnable == nil {
+		s.ClientSideCertEnable = NewBool(false)
+	}
+
+	if s.ClientSideCertCheck == nil {
+		s.ClientSideCertCheck = NewString(CLIENT_SIDE_CERT_CHECK_SECONDARY_AUTH)
+	}
+
+	if s.EnableClickToReply == nil {
+		s.EnableClickToReply = NewBool(false)
+	}
+
+	if s.LinkMetadataTimeoutMilliseconds == nil {
+		s.LinkMetadataTimeoutMilliseconds = NewInt64(EXPERIMENTAL_SETTINGS_DEFAULT_LINK_METADATA_TIMEOUT_MILLISECONDS)
+	}
+
+	if s.RestrictSystemAdmin == nil {
+		s.RestrictSystemAdmin = NewBool(false)
+	}
+	if s.UseNewSAMLLibrary == nil {
+		s.UseNewSAMLLibrary = NewBool(false)
+	}
+}
+
+type AnalyticsSettings struct {
+	MaxUsersForStatistics *int `restricted:"true"`
+}
+
+func (s *AnalyticsSettings) SetDefaults() {
+	if s.MaxUsersForStatistics == nil {
+		s.MaxUsersForStatistics = NewInt(ANALYTICS_SETTINGS_DEFAULT_MAX_USERS_FOR_STATISTICS)
+	}
+}
+
+type SSOSettings struct {
+	Enable          *bool
+	Secret          *string
+	Id              *string
+	Scope           *string
+	AuthEndpoint    *string
+	TokenEndpoint   *string
+	UserApiEndpoint *string
+}
+
+func (s *SSOSettings) setDefaults(scope, authEndpoint, tokenEndpoint, userApiEndpoint string) {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.Secret == nil {
+		s.Secret = NewString("")
+	}
+
+	if s.Id == nil {
+		s.Id = NewString("")
+	}
+
+	if s.Scope == nil {
+		s.Scope = NewString(scope)
+	}
+
+	if s.AuthEndpoint == nil {
+		s.AuthEndpoint = NewString(authEndpoint)
+	}
+
+	if s.TokenEndpoint == nil {
+		s.TokenEndpoint = NewString(tokenEndpoint)
+	}
+
+	if s.UserApiEndpoint == nil {
+		s.UserApiEndpoint = NewString(userApiEndpoint)
+	}
+}
+
+type Office365Settings struct {
+	Enable          *bool
+	Secret          *string
+	Id              *string
+	Scope           *string
+	AuthEndpoint    *string
+	TokenEndpoint   *string
+	UserApiEndpoint *string
+	DirectoryId     *string
+}
+
+func (s *Office365Settings) setDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.Id == nil {
+		s.Id = NewString("")
+	}
+
+	if s.Secret == nil {
+		s.Secret = NewString("")
+	}
+
+	if s.Scope == nil {
+		s.Scope = NewString(OFFICE365_SETTINGS_DEFAULT_SCOPE)
+	}
+
+	if s.AuthEndpoint == nil {
+		s.AuthEndpoint = NewString(OFFICE365_SETTINGS_DEFAULT_AUTH_ENDPOINT)
+	}
+
+	if s.TokenEndpoint == nil {
+		s.TokenEndpoint = NewString(OFFICE365_SETTINGS_DEFAULT_TOKEN_ENDPOINT)
+	}
+
+	if s.UserApiEndpoint == nil {
+		s.UserApiEndpoint = NewString(OFFICE365_SETTINGS_DEFAULT_USER_API_ENDPOINT)
+	}
+
+	if s.DirectoryId == nil {
+		s.DirectoryId = NewString("")
+	}
+}
+
+func (s *Office365Settings) SSOSettings() *SSOSettings {
+	ssoSettings := SSOSettings{}
+	ssoSettings.Enable = s.Enable
+	ssoSettings.Secret = s.Secret
+	ssoSettings.Id = s.Id
+	ssoSettings.Scope = s.Scope
+	ssoSettings.AuthEndpoint = s.AuthEndpoint
+	ssoSettings.TokenEndpoint = s.TokenEndpoint
+	ssoSettings.UserApiEndpoint = s.UserApiEndpoint
+	return &ssoSettings
+}
+
+type SqlSettings struct {
+	DriverName                  *string  `restricted:"true"`
+	DataSource                  *string  `restricted:"true"`
+	DataSourceReplicas          []string `restricted:"true"`
+	DataSourceSearchReplicas    []string `restricted:"true"`
+	MaxIdleConns                *int     `restricted:"true"`
+	ConnMaxLifetimeMilliseconds *int     `restricted:"true"`
+	MaxOpenConns                *int     `restricted:"true"`
+	Trace                       *bool    `restricted:"true"`
+	AtRestEncryptKey            *string  `restricted:"true"`
+	QueryTimeout                *int     `restricted:"true"`
+	DisableDatabaseSearch       *bool    `restricted:"true"`
+}
+
+func (s *SqlSettings) SetDefaults(isUpdate bool) {
+	if s.DriverName == nil {
+		s.DriverName = NewString(DATABASE_DRIVER_MYSQL)
+	}
+
+	if s.DataSource == nil {
+		s.DataSource = NewString(SQL_SETTINGS_DEFAULT_DATA_SOURCE)
+	}
+
+	if s.DataSourceReplicas == nil {
+		s.DataSourceReplicas = []string{}
+	}
+
+	if s.DataSourceSearchReplicas == nil {
+		s.DataSourceSearchReplicas = []string{}
+	}
+
+	if isUpdate {
+		// When updating an existing configuration, ensure an encryption key has been specified.
+		if s.AtRestEncryptKey == nil || len(*s.AtRestEncryptKey) == 0 {
+			s.AtRestEncryptKey = NewString(NewRandomString(32))
+		}
+	} else {
+		// When generating a blank configuration, leave this key empty to be generated on server start.
+		s.AtRestEncryptKey = NewString("")
+	}
+
+	if s.MaxIdleConns == nil {
+		s.MaxIdleConns = NewInt(20)
+	}
+
+	if s.MaxOpenConns == nil {
+		s.MaxOpenConns = NewInt(300)
+	}
+
+	if s.ConnMaxLifetimeMilliseconds == nil {
+		s.ConnMaxLifetimeMilliseconds = NewInt(3600000)
+	}
+
+	if s.Trace == nil {
+		s.Trace = NewBool(false)
+	}
+
+	if s.QueryTimeout == nil {
+		s.QueryTimeout = NewInt(30)
+	}
+
+	if s.DisableDatabaseSearch == nil {
+		s.DisableDatabaseSearch = NewBool(false)
+	}
+}
+
+type LogSettings struct {
+	EnableConsole          *bool   `restricted:"true"`
+	ConsoleLevel           *string `restricted:"true"`
+	ConsoleJson            *bool   `restricted:"true"`
+	EnableFile             *bool   `restricted:"true"`
+	FileLevel              *string `restricted:"true"`
+	FileJson               *bool   `restricted:"true"`
+	FileLocation           *string `restricted:"true"`
+	EnableWebhookDebugging *bool   `restricted:"true"`
+	EnableDiagnostics      *bool   `restricted:"true"`
+}
+
+func (s *LogSettings) SetDefaults() {
+	if s.EnableConsole == nil {
+		s.EnableConsole = NewBool(true)
+	}
+
+	if s.ConsoleLevel == nil {
+		s.ConsoleLevel = NewString("DEBUG")
+	}
+
+	if s.EnableFile == nil {
+		s.EnableFile = NewBool(true)
+	}
+
+	if s.FileLevel == nil {
+		s.FileLevel = NewString("INFO")
+	}
+
+	if s.FileLocation == nil {
+		s.FileLocation = NewString("")
+	}
+
+	if s.EnableWebhookDebugging == nil {
+		s.EnableWebhookDebugging = NewBool(true)
+	}
+
+	if s.EnableDiagnostics == nil {
+		s.EnableDiagnostics = NewBool(true)
+	}
+
+	if s.ConsoleJson == nil {
+		s.ConsoleJson = NewBool(true)
+	}
+
+	if s.FileJson == nil {
+		s.FileJson = NewBool(true)
+	}
+}
+
+type ExperimentalAuditSettings struct {
+	SysLogEnabled      *bool   `restricted:"true"`
+	SysLogIP           *string `restricted:"true"`
+	SysLogPort         *int    `restricted:"true"`
+	SysLogTag          *string `restricted:"true"`
+	SysLogCert         *string `restricted:"true"`
+	SysLogInsecure     *bool   `restricted:"true"`
+	SysLogMaxQueueSize *int    `restricted:"true"`
+
+	FileEnabled      *bool   `restricted:"true"`
+	FileName         *string `restricted:"true"`
+	FileMaxSizeMB    *int    `restricted:"true"`
+	FileMaxAgeDays   *int    `restricted:"true"`
+	FileMaxBackups   *int    `restricted:"true"`
+	FileCompress     *bool   `restricted:"true"`
+	FileMaxQueueSize *int    `restricted:"true"`
+}
+
+func (s *ExperimentalAuditSettings) SetDefaults() {
+	if s.SysLogEnabled == nil {
+		s.SysLogEnabled = NewBool(false)
+	}
+
+	if s.SysLogIP == nil {
+		s.SysLogIP = NewString("localhost")
+	}
+
+	if s.SysLogPort == nil {
+		s.SysLogPort = NewInt(6514)
+	}
+
+	if s.SysLogTag == nil {
+		s.SysLogTag = NewString("")
+	}
+
+	if s.SysLogCert == nil {
+		s.SysLogCert = NewString("")
+	}
+
+	if s.SysLogInsecure == nil {
+		s.SysLogInsecure = NewBool(false)
+	}
+
+	if s.SysLogMaxQueueSize == nil {
+		s.SysLogMaxQueueSize = NewInt(1000)
+	}
+
+	if s.FileEnabled == nil {
+		s.FileEnabled = NewBool(false)
+	}
+
+	if s.FileName == nil {
+		s.FileName = NewString("")
+	}
+
+	if s.FileMaxSizeMB == nil {
+		s.FileMaxSizeMB = NewInt(100)
+	}
+
+	if s.FileMaxAgeDays == nil {
+		s.FileMaxAgeDays = NewInt(0) // no limit on age
+	}
+
+	if s.FileMaxBackups == nil { // no limit on number of backups
+		s.FileMaxBackups = NewInt(0)
+	}
+
+	if s.FileCompress == nil {
+		s.FileCompress = NewBool(false)
+	}
+
+	if s.FileMaxQueueSize == nil {
+		s.FileMaxQueueSize = NewInt(1000)
+	}
+}
+
+type NotificationLogSettings struct {
+	EnableConsole *bool   `restricted:"true"`
+	ConsoleLevel  *string `restricted:"true"`
+	ConsoleJson   *bool   `restricted:"true"`
+	EnableFile    *bool   `restricted:"true"`
+	FileLevel     *string `restricted:"true"`
+	FileJson      *bool   `restricted:"true"`
+	FileLocation  *string `restricted:"true"`
+}
+
+func (s *NotificationLogSettings) SetDefaults() {
+	if s.EnableConsole == nil {
+		s.EnableConsole = NewBool(true)
+	}
+
+	if s.ConsoleLevel == nil {
+		s.ConsoleLevel = NewString("DEBUG")
+	}
+
+	if s.EnableFile == nil {
+		s.EnableFile = NewBool(true)
+	}
+
+	if s.FileLevel == nil {
+		s.FileLevel = NewString("INFO")
+	}
+
+	if s.FileLocation == nil {
+		s.FileLocation = NewString("")
+	}
+
+	if s.ConsoleJson == nil {
+		s.ConsoleJson = NewBool(true)
+	}
+
+	if s.FileJson == nil {
+		s.FileJson = NewBool(true)
+	}
+}
+
+type PasswordSettings struct {
+	MinimumLength *int
+	Lowercase     *bool
+	Number        *bool
+	Uppercase     *bool
+	Symbol        *bool
+}
+
+func (s *PasswordSettings) SetDefaults() {
+	if s.MinimumLength == nil {
+		s.MinimumLength = NewInt(10)
+	}
+
+	if s.Lowercase == nil {
+		s.Lowercase = NewBool(true)
+	}
+
+	if s.Number == nil {
+		s.Number = NewBool(true)
+	}
+
+	if s.Uppercase == nil {
+		s.Uppercase = NewBool(true)
+	}
+
+	if s.Symbol == nil {
+		s.Symbol = NewBool(true)
+	}
+}
+
+type FileSettings struct {
+	EnableFileAttachments   *bool
+	EnableMobileUpload      *bool
+	EnableMobileDownload    *bool
+	MaxFileSize             *int64
+	DriverName              *string `restricted:"true"`
+	Directory               *string `restricted:"true"`
+	EnablePublicLink        *bool
+	PublicLinkSalt          *string
+	InitialFont             *string
+	AmazonS3AccessKeyId     *string `restricted:"true"`
+	AmazonS3SecretAccessKey *string `restricted:"true"`
+	AmazonS3Bucket          *string `restricted:"true"`
+	AmazonS3Region          *string `restricted:"true"`
+	AmazonS3Endpoint        *string `restricted:"true"`
+	AmazonS3SSL             *bool   `restricted:"true"`
+	AmazonS3SignV2          *bool   `restricted:"true"`
+	AmazonS3SSE             *bool   `restricted:"true"`
+	AmazonS3Trace           *bool   `restricted:"true"`
+}
+
+func (s *FileSettings) SetDefaults(isUpdate bool) {
+	if s.EnableFileAttachments == nil {
+		s.EnableFileAttachments = NewBool(true)
+	}
+
+	if s.EnableMobileUpload == nil {
+		s.EnableMobileUpload = NewBool(true)
+	}
+
+	if s.EnableMobileDownload == nil {
+		s.EnableMobileDownload = NewBool(true)
+	}
+
+	if s.MaxFileSize == nil {
+		s.MaxFileSize = NewInt64(52428800) // 50 MB
+	}
+
+	if s.DriverName == nil {
+		s.DriverName = NewString(IMAGE_DRIVER_LOCAL)
+	}
+
+	if s.Directory == nil {
+		s.Directory = NewString(FILE_SETTINGS_DEFAULT_DIRECTORY)
+	}
+
+	if s.EnablePublicLink == nil {
+		s.EnablePublicLink = NewBool(false)
+	}
+
+	if isUpdate {
+		// When updating an existing configuration, ensure link salt has been specified.
+		if s.PublicLinkSalt == nil || len(*s.PublicLinkSalt) == 0 {
+			s.PublicLinkSalt = NewString(NewRandomString(32))
+		}
+	} else {
+		// When generating a blank configuration, leave link salt empty to be generated on server start.
+		s.PublicLinkSalt = NewString("")
+	}
+
+	if s.InitialFont == nil {
+		// Defaults to "nunito-bold.ttf"
+		s.InitialFont = NewString("nunito-bold.ttf")
+	}
+
+	if s.AmazonS3AccessKeyId == nil {
+		s.AmazonS3AccessKeyId = NewString("")
+	}
+
+	if s.AmazonS3SecretAccessKey == nil {
+		s.AmazonS3SecretAccessKey = NewString("")
+	}
+
+	if s.AmazonS3Bucket == nil {
+		s.AmazonS3Bucket = NewString("")
+	}
+
+	if s.AmazonS3Region == nil {
+		s.AmazonS3Region = NewString("")
+	}
+
+	if s.AmazonS3Endpoint == nil || len(*s.AmazonS3Endpoint) == 0 {
+		// Defaults to "s3.amazonaws.com"
+		s.AmazonS3Endpoint = NewString("s3.amazonaws.com")
+	}
+
+	if s.AmazonS3SSL == nil {
+		s.AmazonS3SSL = NewBool(true) // Secure by default.
+	}
+
+	if s.AmazonS3SignV2 == nil {
+		s.AmazonS3SignV2 = new(bool)
+		// Signature v2 is not enabled by default.
+	}
+
+	if s.AmazonS3SSE == nil {
+		s.AmazonS3SSE = NewBool(false) // Not Encrypted by default.
+	}
+
+	if s.AmazonS3Trace == nil {
+		s.AmazonS3Trace = NewBool(false)
+	}
+}
+
+type EmailSettings struct {
+	EnableSignUpWithEmail             *bool
+	EnableSignInWithEmail             *bool
+	EnableSignInWithUsername          *bool
+	SendEmailNotifications            *bool
+	UseChannelInEmailNotifications    *bool
+	RequireEmailVerification          *bool
+	FeedbackName                      *string
+	FeedbackEmail                     *string
+	ReplyToAddress                    *string
+	FeedbackOrganization              *string
+	EnableSMTPAuth                    *bool   `restricted:"true"`
+	SMTPUsername                      *string `restricted:"true"`
+	SMTPPassword                      *string `restricted:"true"`
+	SMTPServer                        *string `restricted:"true"`
+	SMTPPort                          *string `restricted:"true"`
+	SMTPServerTimeout                 *int
+	ConnectionSecurity                *string `restricted:"true"`
+	SendPushNotifications             *bool
+	PushNotificationServer            *string
+	PushNotificationContents          *string
+	EnableEmailBatching               *bool
+	EmailBatchingBufferSize           *int
+	EmailBatchingInterval             *int
+	EnablePreviewModeBanner           *bool
+	SkipServerCertificateVerification *bool `restricted:"true"`
+	EmailNotificationContentsType     *string
+	LoginButtonColor                  *string
+	LoginButtonBorderColor            *string
+	LoginButtonTextColor              *string
+}
+
+func (s *EmailSettings) SetDefaults(isUpdate bool) {
+	if s.EnableSignUpWithEmail == nil {
+		s.EnableSignUpWithEmail = NewBool(true)
+	}
+
+	if s.EnableSignInWithEmail == nil {
+		s.EnableSignInWithEmail = NewBool(*s.EnableSignUpWithEmail)
+	}
+
+	if s.EnableSignInWithUsername == nil {
+		s.EnableSignInWithUsername = NewBool(true)
+	}
+
+	if s.SendEmailNotifications == nil {
+		s.SendEmailNotifications = NewBool(true)
+	}
+
+	if s.UseChannelInEmailNotifications == nil {
+		s.UseChannelInEmailNotifications = NewBool(false)
+	}
+
+	if s.RequireEmailVerification == nil {
+		s.RequireEmailVerification = NewBool(false)
+	}
+
+	if s.FeedbackName == nil {
+		s.FeedbackName = NewString("")
+	}
+
+	if s.FeedbackEmail == nil {
+		s.FeedbackEmail = NewString("test@example.com")
+	}
+
+	if s.ReplyToAddress == nil {
+		s.ReplyToAddress = NewString("test@example.com")
+	}
+
+	if s.FeedbackOrganization == nil {
+		s.FeedbackOrganization = NewString(EMAIL_SETTINGS_DEFAULT_FEEDBACK_ORGANIZATION)
+	}
+
+	if s.EnableSMTPAuth == nil {
+		if s.ConnectionSecurity == nil || *s.ConnectionSecurity == CONN_SECURITY_NONE {
+			s.EnableSMTPAuth = NewBool(false)
+		} else {
+			s.EnableSMTPAuth = NewBool(true)
+		}
+	}
+
+	if s.SMTPUsername == nil {
+		s.SMTPUsername = NewString("")
+	}
+
+	if s.SMTPPassword == nil {
+		s.SMTPPassword = NewString("")
+	}
+
+	if s.SMTPServer == nil || len(*s.SMTPServer) == 0 {
+		s.SMTPServer = NewString("localhost")
+	}
+
+	if s.SMTPPort == nil || len(*s.SMTPPort) == 0 {
+		s.SMTPPort = NewString("10025")
+	}
+
+	if s.SMTPServerTimeout == nil || *s.SMTPServerTimeout == 0 {
+		s.SMTPServerTimeout = NewInt(10)
+	}
+
+	if s.ConnectionSecurity == nil || *s.ConnectionSecurity == CONN_SECURITY_PLAIN {
+		s.ConnectionSecurity = NewString(CONN_SECURITY_NONE)
+	}
+
+	if s.SendPushNotifications == nil {
+		s.SendPushNotifications = NewBool(!isUpdate)
+	}
+
+	if s.PushNotificationServer == nil {
+		if isUpdate {
+			s.PushNotificationServer = NewString("")
+		} else {
+			s.PushNotificationServer = NewString(GENERIC_NOTIFICATION_SERVER)
+		}
+	}
+
+	if s.PushNotificationContents == nil {
+		s.PushNotificationContents = NewString(FULL_NOTIFICATION)
+	}
+
+	if s.EnableEmailBatching == nil {
+		s.EnableEmailBatching = NewBool(false)
+	}
+
+	if s.EmailBatchingBufferSize == nil {
+		s.EmailBatchingBufferSize = NewInt(EMAIL_BATCHING_BUFFER_SIZE)
+	}
+
+	if s.EmailBatchingInterval == nil {
+		s.EmailBatchingInterval = NewInt(EMAIL_BATCHING_INTERVAL)
+	}
+
+	if s.EnablePreviewModeBanner == nil {
+		s.EnablePreviewModeBanner = NewBool(true)
+	}
+
+	if s.EnableSMTPAuth == nil {
+		if *s.ConnectionSecurity == CONN_SECURITY_NONE {
+			s.EnableSMTPAuth = NewBool(false)
+		} else {
+			s.EnableSMTPAuth = NewBool(true)
+		}
+	}
+
+	if *s.ConnectionSecurity == CONN_SECURITY_PLAIN {
+		*s.ConnectionSecurity = CONN_SECURITY_NONE
+	}
+
+	if s.SkipServerCertificateVerification == nil {
+		s.SkipServerCertificateVerification = NewBool(false)
+	}
+
+	if s.EmailNotificationContentsType == nil {
+		s.EmailNotificationContentsType = NewString(EMAIL_NOTIFICATION_CONTENTS_FULL)
+	}
+
+	if s.LoginButtonColor == nil {
+		s.LoginButtonColor = NewString("#0000")
+	}
+
+	if s.LoginButtonBorderColor == nil {
+		s.LoginButtonBorderColor = NewString("#2389D7")
+	}
+
+	if s.LoginButtonTextColor == nil {
+		s.LoginButtonTextColor = NewString("#2389D7")
+	}
+}
+
+type RateLimitSettings struct {
+	Enable           *bool  `restricted:"true"`
+	PerSec           *int   `restricted:"true"`
+	MaxBurst         *int   `restricted:"true"`
+	MemoryStoreSize  *int   `restricted:"true"`
+	VaryByRemoteAddr *bool  `restricted:"true"`
+	VaryByUser       *bool  `restricted:"true"`
+	VaryByHeader     string `restricted:"true"`
+}
+
+func (s *RateLimitSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.PerSec == nil {
+		s.PerSec = NewInt(10)
+	}
+
+	if s.MaxBurst == nil {
+		s.MaxBurst = NewInt(100)
+	}
+
+	if s.MemoryStoreSize == nil {
+		s.MemoryStoreSize = NewInt(10000)
+	}
+
+	if s.VaryByRemoteAddr == nil {
+		s.VaryByRemoteAddr = NewBool(true)
+	}
+
+	if s.VaryByUser == nil {
+		s.VaryByUser = NewBool(false)
+	}
+}
+
+type PrivacySettings struct {
+	ShowEmailAddress *bool
+	ShowFullName     *bool
+}
+
+func (s *PrivacySettings) setDefaults() {
+	if s.ShowEmailAddress == nil {
+		s.ShowEmailAddress = NewBool(true)
+	}
+
+	if s.ShowFullName == nil {
+		s.ShowFullName = NewBool(true)
+	}
+}
+
+type SupportSettings struct {
+	TermsOfServiceLink                     *string `restricted:"true"`
+	PrivacyPolicyLink                      *string `restricted:"true"`
+	AboutLink                              *string `restricted:"true"`
+	HelpLink                               *string `restricted:"true"`
+	ReportAProblemLink                     *string `restricted:"true"`
+	SupportEmail                           *string
+	CustomTermsOfServiceEnabled            *bool
+	CustomTermsOfServiceReAcceptancePeriod *int
+}
+
+func (s *SupportSettings) SetDefaults() {
+	if !IsSafeLink(s.TermsOfServiceLink) {
+		*s.TermsOfServiceLink = SUPPORT_SETTINGS_DEFAULT_TERMS_OF_SERVICE_LINK
+	}
+
+	if s.TermsOfServiceLink == nil {
+		s.TermsOfServiceLink = NewString(SUPPORT_SETTINGS_DEFAULT_TERMS_OF_SERVICE_LINK)
+	}
+
+	if !IsSafeLink(s.PrivacyPolicyLink) {
+		*s.PrivacyPolicyLink = ""
+	}
+
+	if s.PrivacyPolicyLink == nil {
+		s.PrivacyPolicyLink = NewString(SUPPORT_SETTINGS_DEFAULT_PRIVACY_POLICY_LINK)
+	}
+
+	if !IsSafeLink(s.AboutLink) {
+		*s.AboutLink = ""
+	}
+
+	if s.AboutLink == nil {
+		s.AboutLink = NewString(SUPPORT_SETTINGS_DEFAULT_ABOUT_LINK)
+	}
+
+	if !IsSafeLink(s.HelpLink) {
+		*s.HelpLink = ""
+	}
+
+	if s.HelpLink == nil {
+		s.HelpLink = NewString(SUPPORT_SETTINGS_DEFAULT_HELP_LINK)
+	}
+
+	if !IsSafeLink(s.ReportAProblemLink) {
+		*s.ReportAProblemLink = ""
+	}
+
+	if s.ReportAProblemLink == nil {
+		s.ReportAProblemLink = NewString(SUPPORT_SETTINGS_DEFAULT_REPORT_A_PROBLEM_LINK)
+	}
+
+	if s.SupportEmail == nil {
+		s.SupportEmail = NewString(SUPPORT_SETTINGS_DEFAULT_SUPPORT_EMAIL)
+	}
+
+	if s.CustomTermsOfServiceEnabled == nil {
+		s.CustomTermsOfServiceEnabled = NewBool(false)
+	}
+
+	if s.CustomTermsOfServiceReAcceptancePeriod == nil {
+		s.CustomTermsOfServiceReAcceptancePeriod = NewInt(SUPPORT_SETTINGS_DEFAULT_RE_ACCEPTANCE_PERIOD)
+	}
+}
+
+type AnnouncementSettings struct {
+	EnableBanner         *bool
+	BannerText           *string
+	BannerColor          *string
+	BannerTextColor      *string
+	AllowBannerDismissal *bool
+}
+
+func (s *AnnouncementSettings) SetDefaults() {
+	if s.EnableBanner == nil {
+		s.EnableBanner = NewBool(false)
+	}
+
+	if s.BannerText == nil {
+		s.BannerText = NewString("")
+	}
+
+	if s.BannerColor == nil {
+		s.BannerColor = NewString(ANNOUNCEMENT_SETTINGS_DEFAULT_BANNER_COLOR)
+	}
+
+	if s.BannerTextColor == nil {
+		s.BannerTextColor = NewString(ANNOUNCEMENT_SETTINGS_DEFAULT_BANNER_TEXT_COLOR)
+	}
+
+	if s.AllowBannerDismissal == nil {
+		s.AllowBannerDismissal = NewBool(true)
+	}
+}
+
+type ThemeSettings struct {
+	EnableThemeSelection *bool
+	DefaultTheme         *string
+	AllowCustomThemes    *bool
+	AllowedThemes        []string
+}
+
+func (s *ThemeSettings) SetDefaults() {
+	if s.EnableThemeSelection == nil {
+		s.EnableThemeSelection = NewBool(true)
+	}
+
+	if s.DefaultTheme == nil {
+		s.DefaultTheme = NewString(TEAM_SETTINGS_DEFAULT_TEAM_TEXT)
+	}
+
+	if s.AllowCustomThemes == nil {
+		s.AllowCustomThemes = NewBool(true)
+	}
+
+	if s.AllowedThemes == nil {
+		s.AllowedThemes = []string{}
+	}
+}
+
+type TeamSettings struct {
+	SiteName                                                  *string
+	MaxUsersPerTeam                                           *int
+	DEPRECATED_DO_NOT_USE_EnableTeamCreation                  *bool `json:"EnableTeamCreation" mapstructure:"EnableTeamCreation"` // This field is deprecated and must not be used.
+	EnableUserCreation                                        *bool
+	EnableOpenServer                                          *bool
+	EnableUserDeactivation                                    *bool
+	RestrictCreationToDomains                                 *string
+	EnableCustomBrand                                         *bool
+	CustomBrandText                                           *string
+	CustomDescriptionText                                     *string
+	RestrictDirectMessage                                     *string
+	DEPRECATED_DO_NOT_USE_RestrictTeamInvite                  *string `json:"RestrictTeamInvite" mapstructure:"RestrictTeamInvite"`                                   // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement     *string `json:"RestrictPublicChannelManagement" mapstructure:"RestrictPublicChannelManagement"`         // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement    *string `json:"RestrictPrivateChannelManagement" mapstructure:"RestrictPrivateChannelManagement"`       // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPublicChannelCreation       *string `json:"RestrictPublicChannelCreation" mapstructure:"RestrictPublicChannelCreation"`             // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPrivateChannelCreation      *string `json:"RestrictPrivateChannelCreation" mapstructure:"RestrictPrivateChannelCreation"`           // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPublicChannelDeletion       *string `json:"RestrictPublicChannelDeletion" mapstructure:"RestrictPublicChannelDeletion"`             // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPrivateChannelDeletion      *string `json:"RestrictPrivateChannelDeletion" mapstructure:"RestrictPrivateChannelDeletion"`           // This field is deprecated and must not be used.
+	DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManageMembers *string `json:"RestrictPrivateChannelManageMembers" mapstructure:"RestrictPrivateChannelManageMembers"` // This field is deprecated and must not be used.
+	EnableXToLeaveChannelsFromLHS                             *bool
+	UserStatusAwayTimeout                                     *int64
+	MaxChannelsPerTeam                                        *int64
+	MaxNotificationsPerChannel                                *int64
+	EnableConfirmNotificationsToChannel                       *bool
+	TeammateNameDisplay                                       *string
+	ExperimentalViewArchivedChannels                          *bool
+	ExperimentalEnableAutomaticReplies                        *bool
+	ExperimentalHideTownSquareinLHS                           *bool
+	ExperimentalTownSquareIsReadOnly                          *bool
+	LockTeammateNameDisplay                                   *bool
+	ExperimentalPrimaryTeam                                   *string
+	ExperimentalDefaultChannels                               []string
+}
+
+func (s *TeamSettings) SetDefaults() {
+
+	if s.SiteName == nil || *s.SiteName == "" {
+		s.SiteName = NewString(TEAM_SETTINGS_DEFAULT_SITE_NAME)
+	}
+
+	if s.MaxUsersPerTeam == nil {
+		s.MaxUsersPerTeam = NewInt(TEAM_SETTINGS_DEFAULT_MAX_USERS_PER_TEAM)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_EnableTeamCreation == nil {
+		s.DEPRECATED_DO_NOT_USE_EnableTeamCreation = NewBool(true)
+	}
+
+	if s.EnableUserCreation == nil {
+		s.EnableUserCreation = NewBool(true)
+	}
+
+	if s.EnableOpenServer == nil {
+		s.EnableOpenServer = NewBool(false)
+	}
+
+	if s.RestrictCreationToDomains == nil {
+		s.RestrictCreationToDomains = NewString("")
+	}
+
+	if s.EnableCustomBrand == nil {
+		s.EnableCustomBrand = NewBool(false)
+	}
+
+	if s.EnableUserDeactivation == nil {
+		s.EnableUserDeactivation = NewBool(false)
+	}
+
+	if s.CustomBrandText == nil {
+		s.CustomBrandText = NewString(TEAM_SETTINGS_DEFAULT_CUSTOM_BRAND_TEXT)
+	}
+
+	if s.CustomDescriptionText == nil {
+		s.CustomDescriptionText = NewString(TEAM_SETTINGS_DEFAULT_CUSTOM_DESCRIPTION_TEXT)
+	}
+
+	if s.RestrictDirectMessage == nil {
+		s.RestrictDirectMessage = NewString(DIRECT_MESSAGE_ANY)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictTeamInvite == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictTeamInvite = NewString(PERMISSIONS_ALL)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement = NewString(PERMISSIONS_ALL)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement = NewString(PERMISSIONS_ALL)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelCreation == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelCreation = new(string)
+		// If this setting does not exist, assume migration from <3.6, so use management setting as default.
+		if *s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement == PERMISSIONS_CHANNEL_ADMIN {
+			*s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelCreation = PERMISSIONS_TEAM_ADMIN
+		} else {
+			*s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelCreation = *s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement
+		}
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelCreation == nil {
+		// If this setting does not exist, assume migration from <3.6, so use management setting as default.
+		if *s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement == PERMISSIONS_CHANNEL_ADMIN {
+			s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelCreation = NewString(PERMISSIONS_TEAM_ADMIN)
+		} else {
+			s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelCreation = NewString(*s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement)
+		}
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelDeletion == nil {
+		// If this setting does not exist, assume migration from <3.6, so use management setting as default.
+		s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelDeletion = NewString(*s.DEPRECATED_DO_NOT_USE_RestrictPublicChannelManagement)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelDeletion == nil {
+		// If this setting does not exist, assume migration from <3.6, so use management setting as default.
+		s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelDeletion = NewString(*s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManagement)
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManageMembers == nil {
+		s.DEPRECATED_DO_NOT_USE_RestrictPrivateChannelManageMembers = NewString(PERMISSIONS_ALL)
+	}
+
+	if s.EnableXToLeaveChannelsFromLHS == nil {
+		s.EnableXToLeaveChannelsFromLHS = NewBool(false)
+	}
+
+	if s.UserStatusAwayTimeout == nil {
+		s.UserStatusAwayTimeout = NewInt64(TEAM_SETTINGS_DEFAULT_USER_STATUS_AWAY_TIMEOUT)
+	}
+
+	if s.MaxChannelsPerTeam == nil {
+		s.MaxChannelsPerTeam = NewInt64(2000)
+	}
+
+	if s.MaxNotificationsPerChannel == nil {
+		s.MaxNotificationsPerChannel = NewInt64(1000)
+	}
+
+	if s.EnableConfirmNotificationsToChannel == nil {
+		s.EnableConfirmNotificationsToChannel = NewBool(true)
+	}
+
+	if s.ExperimentalEnableAutomaticReplies == nil {
+		s.ExperimentalEnableAutomaticReplies = NewBool(false)
+	}
+
+	if s.ExperimentalHideTownSquareinLHS == nil {
+		s.ExperimentalHideTownSquareinLHS = NewBool(false)
+	}
+
+	if s.ExperimentalTownSquareIsReadOnly == nil {
+		s.ExperimentalTownSquareIsReadOnly = NewBool(false)
+	}
+
+	if s.ExperimentalPrimaryTeam == nil {
+		s.ExperimentalPrimaryTeam = NewString("")
+	}
+
+	if s.ExperimentalDefaultChannels == nil {
+		s.ExperimentalDefaultChannels = []string{}
+	}
+
+	if s.DEPRECATED_DO_NOT_USE_EnableTeamCreation == nil {
+		s.DEPRECATED_DO_NOT_USE_EnableTeamCreation = NewBool(true)
+	}
+
+	if s.EnableUserCreation == nil {
+		s.EnableUserCreation = NewBool(true)
+	}
+
+	if s.ExperimentalViewArchivedChannels == nil {
+		s.ExperimentalViewArchivedChannels = NewBool(false)
+	}
+
+	if s.LockTeammateNameDisplay == nil {
+		s.LockTeammateNameDisplay = NewBool(false)
+	}
+}
+
+type ClientRequirements struct {
+	AndroidLatestVersion string `restricted:"true"`
+	AndroidMinVersion    string `restricted:"true"`
+	DesktopLatestVersion string `restricted:"true"`
+	DesktopMinVersion    string `restricted:"true"`
+	IosLatestVersion     string `restricted:"true"`
+	IosMinVersion        string `restricted:"true"`
+}
+
+type LdapSettings struct {
+	// Basic
+	Enable             *bool
+	EnableSync         *bool
+	LdapServer         *string
+	LdapPort           *int
+	ConnectionSecurity *string
+	BaseDN             *string
+	BindUsername       *string
+	BindPassword       *string
+
+	// Filtering
+	UserFilter        *string
+	GroupFilter       *string
+	GuestFilter       *string
+	EnableAdminFilter *bool
+	AdminFilter       *string
+
+	// Group Mapping
+	GroupDisplayNameAttribute *string
+	GroupIdAttribute          *string
+
+	// User Mapping
+	FirstNameAttribute *string
+	LastNameAttribute  *string
+	EmailAttribute     *string
+	UsernameAttribute  *string
+	NicknameAttribute  *string
+	IdAttribute        *string
+	PositionAttribute  *string
+	LoginIdAttribute   *string
+	PictureAttribute   *string
+
+	// Synchronization
+	SyncIntervalMinutes *int
+
+	// Advanced
+	SkipCertificateVerification *bool
+	QueryTimeout                *int
+	MaxPageSize                 *int
+
+	// Customization
+	LoginFieldName *string
+
+	LoginButtonColor       *string
+	LoginButtonBorderColor *string
+	LoginButtonTextColor   *string
+
+	Trace *bool
+}
+
+func (s *LdapSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	// When unset should default to LDAP Enabled
+	if s.EnableSync == nil {
+		s.EnableSync = NewBool(*s.Enable)
+	}
+
+	if s.EnableAdminFilter == nil {
+		s.EnableAdminFilter = NewBool(false)
+	}
+
+	if s.LdapServer == nil {
+		s.LdapServer = NewString("")
+	}
+
+	if s.LdapPort == nil {
+		s.LdapPort = NewInt(389)
+	}
+
+	if s.ConnectionSecurity == nil {
+		s.ConnectionSecurity = NewString("")
+	}
+
+	if s.BaseDN == nil {
+		s.BaseDN = NewString("")
+	}
+
+	if s.BindUsername == nil {
+		s.BindUsername = NewString("")
+	}
+
+	if s.BindPassword == nil {
+		s.BindPassword = NewString("")
+	}
+
+	if s.UserFilter == nil {
+		s.UserFilter = NewString("")
+	}
+
+	if s.GuestFilter == nil {
+		s.GuestFilter = NewString("")
+	}
+
+	if s.AdminFilter == nil {
+		s.AdminFilter = NewString("")
+	}
+
+	if s.GroupFilter == nil {
+		s.GroupFilter = NewString("")
+	}
+
+	if s.GroupDisplayNameAttribute == nil {
+		s.GroupDisplayNameAttribute = NewString(LDAP_SETTINGS_DEFAULT_GROUP_DISPLAY_NAME_ATTRIBUTE)
+	}
+
+	if s.GroupIdAttribute == nil {
+		s.GroupIdAttribute = NewString(LDAP_SETTINGS_DEFAULT_GROUP_ID_ATTRIBUTE)
+	}
+
+	if s.FirstNameAttribute == nil {
+		s.FirstNameAttribute = NewString(LDAP_SETTINGS_DEFAULT_FIRST_NAME_ATTRIBUTE)
+	}
+
+	if s.LastNameAttribute == nil {
+		s.LastNameAttribute = NewString(LDAP_SETTINGS_DEFAULT_LAST_NAME_ATTRIBUTE)
+	}
+
+	if s.EmailAttribute == nil {
+		s.EmailAttribute = NewString(LDAP_SETTINGS_DEFAULT_EMAIL_ATTRIBUTE)
+	}
+
+	if s.UsernameAttribute == nil {
+		s.UsernameAttribute = NewString(LDAP_SETTINGS_DEFAULT_USERNAME_ATTRIBUTE)
+	}
+
+	if s.NicknameAttribute == nil {
+		s.NicknameAttribute = NewString(LDAP_SETTINGS_DEFAULT_NICKNAME_ATTRIBUTE)
+	}
+
+	if s.IdAttribute == nil {
+		s.IdAttribute = NewString(LDAP_SETTINGS_DEFAULT_ID_ATTRIBUTE)
+	}
+
+	if s.PositionAttribute == nil {
+		s.PositionAttribute = NewString(LDAP_SETTINGS_DEFAULT_POSITION_ATTRIBUTE)
+	}
+
+	if s.PictureAttribute == nil {
+		s.PictureAttribute = NewString(LDAP_SETTINGS_DEFAULT_PICTURE_ATTRIBUTE)
+	}
+
+	// For those upgrading to the version when LoginIdAttribute was added
+	// they need IdAttribute == LoginIdAttribute not to break
+	if s.LoginIdAttribute == nil {
+		s.LoginIdAttribute = s.IdAttribute
+	}
+
+	if s.SyncIntervalMinutes == nil {
+		s.SyncIntervalMinutes = NewInt(60)
+	}
+
+	if s.SkipCertificateVerification == nil {
+		s.SkipCertificateVerification = NewBool(false)
+	}
+
+	if s.QueryTimeout == nil {
+		s.QueryTimeout = NewInt(60)
+	}
+
+	if s.MaxPageSize == nil {
+		s.MaxPageSize = NewInt(0)
+	}
+
+	if s.LoginFieldName == nil {
+		s.LoginFieldName = NewString(LDAP_SETTINGS_DEFAULT_LOGIN_FIELD_NAME)
+	}
+
+	if s.LoginButtonColor == nil {
+		s.LoginButtonColor = NewString("#0000")
+	}
+
+	if s.LoginButtonBorderColor == nil {
+		s.LoginButtonBorderColor = NewString("#2389D7")
+	}
+
+	if s.LoginButtonTextColor == nil {
+		s.LoginButtonTextColor = NewString("#2389D7")
+	}
+
+	if s.Trace == nil {
+		s.Trace = NewBool(false)
+	}
+}
+
+type ComplianceSettings struct {
+	Enable      *bool
+	Directory   *string
+	EnableDaily *bool
+}
+
+func (s *ComplianceSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.Directory == nil {
+		s.Directory = NewString("./data/")
+	}
+
+	if s.EnableDaily == nil {
+		s.EnableDaily = NewBool(false)
+	}
+}
+
+type LocalizationSettings struct {
+	DefaultServerLocale *string
+	DefaultClientLocale *string
+	AvailableLocales    *string
+}
+
+func (s *LocalizationSettings) SetDefaults() {
+	if s.DefaultServerLocale == nil {
+		s.DefaultServerLocale = NewString(DEFAULT_LOCALE)
+	}
+
+	if s.DefaultClientLocale == nil {
+		s.DefaultClientLocale = NewString(DEFAULT_LOCALE)
+	}
+
+	if s.AvailableLocales == nil {
+		s.AvailableLocales = NewString("")
+	}
+}
+
+type SamlSettings struct {
+	// Basic
+	Enable                        *bool
+	EnableSyncWithLdap            *bool
+	EnableSyncWithLdapIncludeAuth *bool
+
+	Verify      *bool
+	Encrypt     *bool
+	SignRequest *bool
+
+	IdpUrl                      *string
+	IdpDescriptorUrl            *string
+	IdpMetadataUrl              *string
+	ServiceProviderIdentifier   *string
+	AssertionConsumerServiceURL *string
+
+	SignatureAlgorithm *string
+	CanonicalAlgorithm *string
+
+	ScopingIDPProviderId *string
+	ScopingIDPName       *string
+
+	IdpCertificateFile    *string
+	PublicCertificateFile *string
+	PrivateKeyFile        *string
+
+	// User Mapping
+	IdAttribute          *string
+	GuestAttribute       *string
+	EnableAdminAttribute *bool
+	AdminAttribute       *string
+	FirstNameAttribute   *string
+	LastNameAttribute    *string
+	EmailAttribute       *string
+	UsernameAttribute    *string
+	NicknameAttribute    *string
+	LocaleAttribute      *string
+	PositionAttribute    *string
+
+	LoginButtonText *string
+
+	LoginButtonColor       *string
+	LoginButtonBorderColor *string
+	LoginButtonTextColor   *string
+}
+
+func (s *SamlSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.EnableSyncWithLdap == nil {
+		s.EnableSyncWithLdap = NewBool(false)
+	}
+
+	if s.EnableSyncWithLdapIncludeAuth == nil {
+		s.EnableSyncWithLdapIncludeAuth = NewBool(false)
+	}
+
+	if s.EnableAdminAttribute == nil {
+		s.EnableAdminAttribute = NewBool(false)
+	}
+
+	if s.Verify == nil {
+		s.Verify = NewBool(true)
+	}
+
+	if s.Encrypt == nil {
+		s.Encrypt = NewBool(true)
+	}
+
+	if s.SignRequest == nil {
+		s.SignRequest = NewBool(false)
+	}
+
+	if s.SignatureAlgorithm == nil {
+		s.SignatureAlgorithm = NewString(SAML_SETTINGS_DEFAULT_SIGNATURE_ALGORITHM)
+	}
+
+	if s.CanonicalAlgorithm == nil {
+		s.CanonicalAlgorithm = NewString(SAML_SETTINGS_DEFAULT_CANONICAL_ALGORITHM)
+	}
+
+	if s.IdpUrl == nil {
+		s.IdpUrl = NewString("")
+	}
+
+	if s.IdpDescriptorUrl == nil {
+		s.IdpDescriptorUrl = NewString("")
+	}
+
+	if s.ServiceProviderIdentifier == nil {
+		if s.IdpDescriptorUrl != nil {
+			s.ServiceProviderIdentifier = NewString(*s.IdpDescriptorUrl)
+		} else {
+			s.ServiceProviderIdentifier = NewString("")
+		}
+	}
+
+	if s.IdpMetadataUrl == nil {
+		s.IdpMetadataUrl = NewString("")
+	}
+
+	if s.IdpCertificateFile == nil {
+		s.IdpCertificateFile = NewString("")
+	}
+
+	if s.PublicCertificateFile == nil {
+		s.PublicCertificateFile = NewString("")
+	}
+
+	if s.PrivateKeyFile == nil {
+		s.PrivateKeyFile = NewString("")
+	}
+
+	if s.AssertionConsumerServiceURL == nil {
+		s.AssertionConsumerServiceURL = NewString("")
+	}
+
+	if s.ScopingIDPProviderId == nil {
+		s.ScopingIDPProviderId = NewString("")
+	}
+
+	if s.ScopingIDPName == nil {
+		s.ScopingIDPName = NewString("")
+	}
+
+	if s.LoginButtonText == nil || *s.LoginButtonText == "" {
+		s.LoginButtonText = NewString(USER_AUTH_SERVICE_SAML_TEXT)
+	}
+
+	if s.IdAttribute == nil {
+		s.IdAttribute = NewString(SAML_SETTINGS_DEFAULT_ID_ATTRIBUTE)
+	}
+
+	if s.GuestAttribute == nil {
+		s.GuestAttribute = NewString(SAML_SETTINGS_DEFAULT_GUEST_ATTRIBUTE)
+	}
+	if s.AdminAttribute == nil {
+		s.AdminAttribute = NewString(SAML_SETTINGS_DEFAULT_ADMIN_ATTRIBUTE)
+	}
+	if s.FirstNameAttribute == nil {
+		s.FirstNameAttribute = NewString(SAML_SETTINGS_DEFAULT_FIRST_NAME_ATTRIBUTE)
+	}
+
+	if s.LastNameAttribute == nil {
+		s.LastNameAttribute = NewString(SAML_SETTINGS_DEFAULT_LAST_NAME_ATTRIBUTE)
+	}
+
+	if s.EmailAttribute == nil {
+		s.EmailAttribute = NewString(SAML_SETTINGS_DEFAULT_EMAIL_ATTRIBUTE)
+	}
+
+	if s.UsernameAttribute == nil {
+		s.UsernameAttribute = NewString(SAML_SETTINGS_DEFAULT_USERNAME_ATTRIBUTE)
+	}
+
+	if s.NicknameAttribute == nil {
+		s.NicknameAttribute = NewString(SAML_SETTINGS_DEFAULT_NICKNAME_ATTRIBUTE)
+	}
+
+	if s.PositionAttribute == nil {
+		s.PositionAttribute = NewString(SAML_SETTINGS_DEFAULT_POSITION_ATTRIBUTE)
+	}
+
+	if s.LocaleAttribute == nil {
+		s.LocaleAttribute = NewString(SAML_SETTINGS_DEFAULT_LOCALE_ATTRIBUTE)
+	}
+
+	if s.LoginButtonColor == nil {
+		s.LoginButtonColor = NewString("#34a28b")
+	}
+
+	if s.LoginButtonBorderColor == nil {
+		s.LoginButtonBorderColor = NewString("#2389D7")
+	}
+
+	if s.LoginButtonTextColor == nil {
+		s.LoginButtonTextColor = NewString("#ffffff")
+	}
+}
+
+type NativeAppSettings struct {
+	AppDownloadLink        *string `restricted:"true"`
+	AndroidAppDownloadLink *string `restricted:"true"`
+	IosAppDownloadLink     *string `restricted:"true"`
+}
+
+func (s *NativeAppSettings) SetDefaults() {
+	if s.AppDownloadLink == nil {
+		s.AppDownloadLink = NewString(NATIVEAPP_SETTINGS_DEFAULT_APP_DOWNLOAD_LINK)
+	}
+
+	if s.AndroidAppDownloadLink == nil {
+		s.AndroidAppDownloadLink = NewString(NATIVEAPP_SETTINGS_DEFAULT_ANDROID_APP_DOWNLOAD_LINK)
+	}
+
+	if s.IosAppDownloadLink == nil {
+		s.IosAppDownloadLink = NewString(NATIVEAPP_SETTINGS_DEFAULT_IOS_APP_DOWNLOAD_LINK)
+	}
+}
+
+type ElasticsearchSettings struct {
+	ConnectionUrl                 *string `restricted:"true"`
+	Username                      *string `restricted:"true"`
+	Password                      *string `restricted:"true"`
+	EnableIndexing                *bool   `restricted:"true"`
+	EnableSearching               *bool   `restricted:"true"`
+	EnableAutocomplete            *bool   `restricted:"true"`
+	Sniff                         *bool   `restricted:"true"`
+	PostIndexReplicas             *int    `restricted:"true"`
+	PostIndexShards               *int    `restricted:"true"`
+	ChannelIndexReplicas          *int    `restricted:"true"`
+	ChannelIndexShards            *int    `restricted:"true"`
+	UserIndexReplicas             *int    `restricted:"true"`
+	UserIndexShards               *int    `restricted:"true"`
+	AggregatePostsAfterDays       *int    `restricted:"true"`
+	PostsAggregatorJobStartTime   *string `restricted:"true"`
+	IndexPrefix                   *string `restricted:"true"`
+	LiveIndexingBatchSize         *int    `restricted:"true"`
+	BulkIndexingTimeWindowSeconds *int    `restricted:"true"`
+	RequestTimeoutSeconds         *int    `restricted:"true"`
+	SkipTLSVerification           *bool   `restricted:"true"`
+	Trace                         *string `restricted:"true"`
+}
+
+func (s *ElasticsearchSettings) SetDefaults() {
+	if s.ConnectionUrl == nil {
+		s.ConnectionUrl = NewString(ELASTICSEARCH_SETTINGS_DEFAULT_CONNECTION_URL)
+	}
+
+	if s.Username == nil {
+		s.Username = NewString(ELASTICSEARCH_SETTINGS_DEFAULT_USERNAME)
+	}
+
+	if s.Password == nil {
+		s.Password = NewString(ELASTICSEARCH_SETTINGS_DEFAULT_PASSWORD)
+	}
+
+	if s.EnableIndexing == nil {
+		s.EnableIndexing = NewBool(false)
+	}
+
+	if s.EnableSearching == nil {
+		s.EnableSearching = NewBool(false)
+	}
+
+	if s.EnableAutocomplete == nil {
+		s.EnableAutocomplete = NewBool(false)
+	}
+
+	if s.Sniff == nil {
+		s.Sniff = NewBool(true)
+	}
+
+	if s.PostIndexReplicas == nil {
+		s.PostIndexReplicas = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_POST_INDEX_REPLICAS)
+	}
+
+	if s.PostIndexShards == nil {
+		s.PostIndexShards = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_POST_INDEX_SHARDS)
+	}
+
+	if s.ChannelIndexReplicas == nil {
+		s.ChannelIndexReplicas = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_CHANNEL_INDEX_REPLICAS)
+	}
+
+	if s.ChannelIndexShards == nil {
+		s.ChannelIndexShards = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_CHANNEL_INDEX_SHARDS)
+	}
+
+	if s.UserIndexReplicas == nil {
+		s.UserIndexReplicas = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_USER_INDEX_REPLICAS)
+	}
+
+	if s.UserIndexShards == nil {
+		s.UserIndexShards = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_USER_INDEX_SHARDS)
+	}
+
+	if s.AggregatePostsAfterDays == nil {
+		s.AggregatePostsAfterDays = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_AGGREGATE_POSTS_AFTER_DAYS)
+	}
+
+	if s.PostsAggregatorJobStartTime == nil {
+		s.PostsAggregatorJobStartTime = NewString(ELASTICSEARCH_SETTINGS_DEFAULT_POSTS_AGGREGATOR_JOB_START_TIME)
+	}
+
+	if s.IndexPrefix == nil {
+		s.IndexPrefix = NewString(ELASTICSEARCH_SETTINGS_DEFAULT_INDEX_PREFIX)
+	}
+
+	if s.LiveIndexingBatchSize == nil {
+		s.LiveIndexingBatchSize = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_LIVE_INDEXING_BATCH_SIZE)
+	}
+
+	if s.BulkIndexingTimeWindowSeconds == nil {
+		s.BulkIndexingTimeWindowSeconds = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_BULK_INDEXING_TIME_WINDOW_SECONDS)
+	}
+
+	if s.RequestTimeoutSeconds == nil {
+		s.RequestTimeoutSeconds = NewInt(ELASTICSEARCH_SETTINGS_DEFAULT_REQUEST_TIMEOUT_SECONDS)
+	}
+
+	if s.SkipTLSVerification == nil {
+		s.SkipTLSVerification = NewBool(false)
+	}
+
+	if s.Trace == nil {
+		s.Trace = NewString("")
+	}
+}
+
+type BleveSettings struct {
+	IndexDir                      *string
+	EnableIndexing                *bool
+	EnableSearching               *bool
+	EnableAutocomplete            *bool
+	BulkIndexingTimeWindowSeconds *int
+}
+
+func (bs *BleveSettings) SetDefaults() {
+	if bs.IndexDir == nil {
+		bs.IndexDir = NewString(BLEVE_SETTINGS_DEFAULT_INDEX_DIR)
+	}
+
+	if bs.EnableIndexing == nil {
+		bs.EnableIndexing = NewBool(false)
+	}
+
+	if bs.EnableSearching == nil {
+		bs.EnableSearching = NewBool(false)
+	}
+
+	if bs.EnableAutocomplete == nil {
+		bs.EnableAutocomplete = NewBool(false)
+	}
+
+	if bs.BulkIndexingTimeWindowSeconds == nil {
+		bs.BulkIndexingTimeWindowSeconds = NewInt(BLEVE_SETTINGS_DEFAULT_BULK_INDEXING_TIME_WINDOW_SECONDS)
+	}
+}
+
+type DataRetentionSettings struct {
+	EnableMessageDeletion *bool
+	EnableFileDeletion    *bool
+	MessageRetentionDays  *int
+	FileRetentionDays     *int
+	DeletionJobStartTime  *string
+}
+
+func (s *DataRetentionSettings) SetDefaults() {
+	if s.EnableMessageDeletion == nil {
+		s.EnableMessageDeletion = NewBool(false)
+	}
+
+	if s.EnableFileDeletion == nil {
+		s.EnableFileDeletion = NewBool(false)
+	}
+
+	if s.MessageRetentionDays == nil {
+		s.MessageRetentionDays = NewInt(DATA_RETENTION_SETTINGS_DEFAULT_MESSAGE_RETENTION_DAYS)
+	}
+
+	if s.FileRetentionDays == nil {
+		s.FileRetentionDays = NewInt(DATA_RETENTION_SETTINGS_DEFAULT_FILE_RETENTION_DAYS)
+	}
+
+	if s.DeletionJobStartTime == nil {
+		s.DeletionJobStartTime = NewString(DATA_RETENTION_SETTINGS_DEFAULT_DELETION_JOB_START_TIME)
+	}
+}
+
+type JobSettings struct {
+	RunJobs      *bool `restricted:"true"`
+	RunScheduler *bool `restricted:"true"`
+}
+
+func (s *JobSettings) SetDefaults() {
+	if s.RunJobs == nil {
+		s.RunJobs = NewBool(true)
+	}
+
+	if s.RunScheduler == nil {
+		s.RunScheduler = NewBool(true)
+	}
+}
+
+type PluginState struct {
+	Enable bool
+}
+
+type PluginSettings struct {
+	Enable                      *bool
+	EnableUploads               *bool   `restricted:"true"`
+	AllowInsecureDownloadUrl    *bool   `restricted:"true"`
+	EnableHealthCheck           *bool   `restricted:"true"`
+	Directory                   *string `restricted:"true"`
+	ClientDirectory             *string `restricted:"true"`
+	Plugins                     map[string]map[string]interface{}
+	PluginStates                map[string]*PluginState
+	EnableMarketplace           *bool
+	EnableRemoteMarketplace     *bool
+	AutomaticPrepackagedPlugins *bool
+	RequirePluginSignature      *bool
+	MarketplaceUrl              *string
+	SignaturePublicKeyFiles     []string
+}
+
+func (s *PluginSettings) SetDefaults(ls LogSettings) {
+	if s.Enable == nil {
+		s.Enable = NewBool(true)
+	}
+
+	if s.EnableUploads == nil {
+		s.EnableUploads = NewBool(false)
+	}
+
+	if s.AllowInsecureDownloadUrl == nil {
+		s.AllowInsecureDownloadUrl = NewBool(false)
+	}
+
+	if s.EnableHealthCheck == nil {
+		s.EnableHealthCheck = NewBool(true)
+	}
+
+	if s.Directory == nil || *s.Directory == "" {
+		s.Directory = NewString(PLUGIN_SETTINGS_DEFAULT_DIRECTORY)
+	}
+
+	if s.ClientDirectory == nil || *s.ClientDirectory == "" {
+		s.ClientDirectory = NewString(PLUGIN_SETTINGS_DEFAULT_CLIENT_DIRECTORY)
+	}
+
+	if s.Plugins == nil {
+		s.Plugins = make(map[string]map[string]interface{})
+	}
+
+	if s.PluginStates == nil {
+		s.PluginStates = make(map[string]*PluginState)
+	}
+
+	if s.PluginStates["com.mattermost.nps"] == nil {
+		// Enable the NPS plugin by default if diagnostics are enabled
+		s.PluginStates["com.mattermost.nps"] = &PluginState{Enable: ls.EnableDiagnostics == nil || *ls.EnableDiagnostics}
+	}
+
+	if s.EnableMarketplace == nil {
+		s.EnableMarketplace = NewBool(PLUGIN_SETTINGS_DEFAULT_ENABLE_MARKETPLACE)
+	}
+
+	if s.EnableRemoteMarketplace == nil {
+		s.EnableRemoteMarketplace = NewBool(true)
+	}
+
+	if s.AutomaticPrepackagedPlugins == nil {
+		s.AutomaticPrepackagedPlugins = NewBool(true)
+	}
+
+	if s.MarketplaceUrl == nil || *s.MarketplaceUrl == "" || *s.MarketplaceUrl == PLUGIN_SETTINGS_OLD_MARKETPLACE_URL {
+		s.MarketplaceUrl = NewString(PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL)
+	}
+
+	if s.RequirePluginSignature == nil {
+		s.RequirePluginSignature = NewBool(false)
+	}
+
+	if s.SignaturePublicKeyFiles == nil {
+		s.SignaturePublicKeyFiles = []string{}
+	}
+}
+
+type GlobalRelayMessageExportSettings struct {
+	CustomerType *string // must be either A9 or A10, dictates SMTP server url
+	SmtpUsername *string
+	SmtpPassword *string
+	EmailAddress *string // the address to send messages to
+}
+
+func (s *GlobalRelayMessageExportSettings) SetDefaults() {
+	if s.CustomerType == nil {
+		s.CustomerType = NewString(GLOBALRELAY_CUSTOMER_TYPE_A9)
+	}
+	if s.SmtpUsername == nil {
+		s.SmtpUsername = NewString("")
+	}
+	if s.SmtpPassword == nil {
+		s.SmtpPassword = NewString("")
+	}
+	if s.EmailAddress == nil {
+		s.EmailAddress = NewString("")
+	}
+}
+
+type MessageExportSettings struct {
+	EnableExport        *bool
+	ExportFormat        *string
+	DailyRunTime        *string
+	ExportFromTimestamp *int64
+	BatchSize           *int
+
+	// formatter-specific settings - these are only expected to be non-nil if ExportFormat is set to the associated format
+	GlobalRelaySettings *GlobalRelayMessageExportSettings
+}
+
+func (s *MessageExportSettings) SetDefaults() {
+	if s.EnableExport == nil {
+		s.EnableExport = NewBool(false)
+	}
+
+	if s.ExportFormat == nil {
+		s.ExportFormat = NewString(COMPLIANCE_EXPORT_TYPE_ACTIANCE)
+	}
+
+	if s.DailyRunTime == nil {
+		s.DailyRunTime = NewString("01:00")
+	}
+
+	if s.ExportFromTimestamp == nil {
+		s.ExportFromTimestamp = NewInt64(0)
+	}
+
+	if s.BatchSize == nil {
+		s.BatchSize = NewInt(10000)
+	}
+
+	if s.GlobalRelaySettings == nil {
+		s.GlobalRelaySettings = &GlobalRelayMessageExportSettings{}
+	}
+	s.GlobalRelaySettings.SetDefaults()
+}
+
+type DisplaySettings struct {
+	CustomUrlSchemes     []string
+	ExperimentalTimezone *bool
+}
+
+func (s *DisplaySettings) SetDefaults() {
+	if s.CustomUrlSchemes == nil {
+		customUrlSchemes := []string{}
+		s.CustomUrlSchemes = customUrlSchemes
+	}
+
+	if s.ExperimentalTimezone == nil {
+		s.ExperimentalTimezone = NewBool(false)
+	}
+}
+
+type GuestAccountsSettings struct {
+	Enable                           *bool
+	AllowEmailAccounts               *bool
+	EnforceMultifactorAuthentication *bool
+	RestrictCreationToDomains        *string
+}
+
+func (s *GuestAccountsSettings) SetDefaults() {
+	if s.Enable == nil {
+		s.Enable = NewBool(false)
+	}
+
+	if s.AllowEmailAccounts == nil {
+		s.AllowEmailAccounts = NewBool(true)
+	}
+
+	if s.EnforceMultifactorAuthentication == nil {
+		s.EnforceMultifactorAuthentication = NewBool(false)
+	}
+
+	if s.RestrictCreationToDomains == nil {
+		s.RestrictCreationToDomains = NewString("")
+	}
+}
+
+type ImageProxySettings struct {
+	Enable                  *bool
+	ImageProxyType          *string
+	RemoteImageProxyURL     *string
+	RemoteImageProxyOptions *string
+}
+
+func (s *ImageProxySettings) SetDefaults(ss ServiceSettings) {
+	if s.Enable == nil {
+		if ss.DEPRECATED_DO_NOT_USE_ImageProxyType == nil || *ss.DEPRECATED_DO_NOT_USE_ImageProxyType == "" {
+			s.Enable = NewBool(false)
+		} else {
+			s.Enable = NewBool(true)
+		}
+	}
+
+	if s.ImageProxyType == nil {
+		if ss.DEPRECATED_DO_NOT_USE_ImageProxyType == nil || *ss.DEPRECATED_DO_NOT_USE_ImageProxyType == "" {
+			s.ImageProxyType = NewString(IMAGE_PROXY_TYPE_LOCAL)
+		} else {
+			s.ImageProxyType = ss.DEPRECATED_DO_NOT_USE_ImageProxyType
+		}
+	}
+
+	if s.RemoteImageProxyURL == nil {
+		if ss.DEPRECATED_DO_NOT_USE_ImageProxyURL == nil {
+			s.RemoteImageProxyURL = NewString("")
+		} else {
+			s.RemoteImageProxyURL = ss.DEPRECATED_DO_NOT_USE_ImageProxyURL
+		}
+	}
+
+	if s.RemoteImageProxyOptions == nil {
+		if ss.DEPRECATED_DO_NOT_USE_ImageProxyOptions == nil {
+			s.RemoteImageProxyOptions = NewString("")
+		} else {
+			s.RemoteImageProxyOptions = ss.DEPRECATED_DO_NOT_USE_ImageProxyOptions
+		}
+	}
+}
+
+type ConfigFunc func() *Config
+
+type Config struct {
+	ServiceSettings           ServiceSettings
+	TeamSettings              TeamSettings
+	ClientRequirements        ClientRequirements
+	SqlSettings               SqlSettings
+	LogSettings               LogSettings
+	ExperimentalAuditSettings ExperimentalAuditSettings
+	NotificationLogSettings   NotificationLogSettings
+	PasswordSettings          PasswordSettings
+	FileSettings              FileSettings
+	EmailSettings             EmailSettings
+	RateLimitSettings         RateLimitSettings
+	PrivacySettings           PrivacySettings
+	SupportSettings           SupportSettings
+	AnnouncementSettings      AnnouncementSettings
+	ThemeSettings             ThemeSettings
+	GitLabSettings            SSOSettings
+	GoogleSettings            SSOSettings
+	Office365Settings         Office365Settings
+	LdapSettings              LdapSettings
+	ComplianceSettings        ComplianceSettings
+	LocalizationSettings      LocalizationSettings
+	SamlSettings              SamlSettings
+	NativeAppSettings         NativeAppSettings
+	ClusterSettings           ClusterSettings
+	MetricsSettings           MetricsSettings
+	ExperimentalSettings      ExperimentalSettings
+	AnalyticsSettings         AnalyticsSettings
+	ElasticsearchSettings     ElasticsearchSettings
+	BleveSettings             BleveSettings
+	DataRetentionSettings     DataRetentionSettings
+	MessageExportSettings     MessageExportSettings
+	JobSettings               JobSettings
+	PluginSettings            PluginSettings
+	DisplaySettings           DisplaySettings
+	GuestAccountsSettings     GuestAccountsSettings
+	ImageProxySettings        ImageProxySettings
+}
+
+func (o *Config) Clone() *Config {
+	var ret Config
+	if err := json.Unmarshal([]byte(o.ToJson()), &ret); err != nil {
+		panic(err)
+	}
+	return &ret
+}
+
+func (o *Config) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *Config) GetSSOService(service string) *SSOSettings {
+	switch service {
+	case SERVICE_GITLAB:
+		return &o.GitLabSettings
+	case SERVICE_GOOGLE:
+		return &o.GoogleSettings
+	case SERVICE_OFFICE365:
+		return o.Office365Settings.SSOSettings()
+	}
+
+	return nil
+}
+
+func ConfigFromJson(data io.Reader) *Config {
+	var o *Config
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+// isUpdate detects a pre-existing config based on whether SiteURL has been changed
+func (o *Config) isUpdate() bool {
+	return o.ServiceSettings.SiteURL != nil
+}
+
+func (o *Config) SetDefaults() {
+	isUpdate := o.isUpdate()
+
+	o.LdapSettings.SetDefaults()
+	o.SamlSettings.SetDefaults()
+
+	if o.TeamSettings.TeammateNameDisplay == nil {
+		o.TeamSettings.TeammateNameDisplay = NewString(SHOW_USERNAME)
+
+		if *o.SamlSettings.Enable || *o.LdapSettings.Enable {
+			*o.TeamSettings.TeammateNameDisplay = SHOW_FULLNAME
+		}
+	}
+
+	o.SqlSettings.SetDefaults(isUpdate)
+	o.FileSettings.SetDefaults(isUpdate)
+	o.EmailSettings.SetDefaults(isUpdate)
+	o.PrivacySettings.setDefaults()
+	o.Office365Settings.setDefaults()
+	o.GitLabSettings.setDefaults("", "", "", "")
+	o.GoogleSettings.setDefaults(GOOGLE_SETTINGS_DEFAULT_SCOPE, GOOGLE_SETTINGS_DEFAULT_AUTH_ENDPOINT, GOOGLE_SETTINGS_DEFAULT_TOKEN_ENDPOINT, GOOGLE_SETTINGS_DEFAULT_USER_API_ENDPOINT)
+	o.ServiceSettings.SetDefaults(isUpdate)
+	o.PasswordSettings.SetDefaults()
+	o.TeamSettings.SetDefaults()
+	o.MetricsSettings.SetDefaults()
+	o.ExperimentalSettings.SetDefaults()
+	o.SupportSettings.SetDefaults()
+	o.AnnouncementSettings.SetDefaults()
+	o.ThemeSettings.SetDefaults()
+	o.ClusterSettings.SetDefaults()
+	o.PluginSettings.SetDefaults(o.LogSettings)
+	o.AnalyticsSettings.SetDefaults()
+	o.ComplianceSettings.SetDefaults()
+	o.LocalizationSettings.SetDefaults()
+	o.ElasticsearchSettings.SetDefaults()
+	o.BleveSettings.SetDefaults()
+	o.NativeAppSettings.SetDefaults()
+	o.DataRetentionSettings.SetDefaults()
+	o.RateLimitSettings.SetDefaults()
+	o.LogSettings.SetDefaults()
+	o.ExperimentalAuditSettings.SetDefaults()
+	o.NotificationLogSettings.SetDefaults()
+	o.JobSettings.SetDefaults()
+	o.MessageExportSettings.SetDefaults()
+	o.DisplaySettings.SetDefaults()
+	o.GuestAccountsSettings.SetDefaults()
+	o.ImageProxySettings.SetDefaults(o.ServiceSettings)
+}
+
+func (o *Config) IsValid() *AppError {
+	if len(*o.ServiceSettings.SiteURL) == 0 && *o.EmailSettings.EnableEmailBatching {
+		return NewAppError("Config.IsValid", "model.config.is_valid.site_url_email_batching.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *o.ClusterSettings.Enable && *o.EmailSettings.EnableEmailBatching {
+		return NewAppError("Config.IsValid", "model.config.is_valid.cluster_email_batching.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(*o.ServiceSettings.SiteURL) == 0 && *o.ServiceSettings.AllowCookiesForSubdomains {
+		return NewAppError("Config.IsValid", "model.config.is_valid.allow_cookies_for_subdomains.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if err := o.TeamSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.SqlSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.FileSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.EmailSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.LdapSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.SamlSettings.isValid(); err != nil {
+		return err
+	}
+
+	if *o.PasswordSettings.MinimumLength < PASSWORD_MINIMUM_LENGTH || *o.PasswordSettings.MinimumLength > PASSWORD_MAXIMUM_LENGTH {
+		return NewAppError("Config.IsValid", "model.config.is_valid.password_length.app_error", map[string]interface{}{"MinLength": PASSWORD_MINIMUM_LENGTH, "MaxLength": PASSWORD_MAXIMUM_LENGTH}, "", http.StatusBadRequest)
+	}
+
+	if err := o.RateLimitSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.ServiceSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.ElasticsearchSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.BleveSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.DataRetentionSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.LocalizationSettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.MessageExportSettings.isValid(o.FileSettings); err != nil {
+		return err
+	}
+
+	if err := o.DisplaySettings.isValid(); err != nil {
+		return err
+	}
+
+	if err := o.ImageProxySettings.isValid(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (s *TeamSettings) isValid() *AppError {
+	if *s.MaxUsersPerTeam <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.max_users.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxChannelsPerTeam <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.max_channels.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxNotificationsPerChannel <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.max_notify_per_channel.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(*s.RestrictDirectMessage == DIRECT_MESSAGE_ANY || *s.RestrictDirectMessage == DIRECT_MESSAGE_TEAM) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.restrict_direct_message.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(*s.TeammateNameDisplay == SHOW_FULLNAME || *s.TeammateNameDisplay == SHOW_NICKNAME_FULLNAME || *s.TeammateNameDisplay == SHOW_USERNAME) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.teammate_name_display.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(*s.SiteName) > SITENAME_MAX_LENGTH {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sitename_length.app_error", map[string]interface{}{"MaxLength": SITENAME_MAX_LENGTH}, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *SqlSettings) isValid() *AppError {
+	if *s.AtRestEncryptKey != "" && len(*s.AtRestEncryptKey) < 32 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.encrypt_sql.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(*s.DriverName == DATABASE_DRIVER_MYSQL || *s.DriverName == DATABASE_DRIVER_POSTGRES) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_driver.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxIdleConns <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_idle.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.ConnMaxLifetimeMilliseconds < 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_conn_max_lifetime_milliseconds.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.QueryTimeout <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_query_timeout.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(*s.DataSource) == 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_data_src.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxOpenConns <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.sql_max_conn.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *FileSettings) isValid() *AppError {
+	if *s.MaxFileSize <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.max_file_size.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(*s.DriverName == IMAGE_DRIVER_LOCAL || *s.DriverName == IMAGE_DRIVER_S3) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.file_driver.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.PublicLinkSalt != "" && len(*s.PublicLinkSalt) < 32 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.file_salt.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *EmailSettings) isValid() *AppError {
+	if !(*s.ConnectionSecurity == CONN_SECURITY_NONE || *s.ConnectionSecurity == CONN_SECURITY_TLS || *s.ConnectionSecurity == CONN_SECURITY_STARTTLS || *s.ConnectionSecurity == CONN_SECURITY_PLAIN) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.email_security.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.EmailBatchingBufferSize <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.email_batching_buffer_size.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.EmailBatchingInterval < 30 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.email_batching_interval.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(*s.EmailNotificationContentsType == EMAIL_NOTIFICATION_CONTENTS_FULL || *s.EmailNotificationContentsType == EMAIL_NOTIFICATION_CONTENTS_GENERIC) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.email_notification_contents_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *RateLimitSettings) isValid() *AppError {
+	if *s.MemoryStoreSize <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.rate_mem.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.PerSec <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.rate_sec.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxBurst <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.max_burst.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *LdapSettings) isValid() *AppError {
+	if !(*s.ConnectionSecurity == CONN_SECURITY_NONE || *s.ConnectionSecurity == CONN_SECURITY_TLS || *s.ConnectionSecurity == CONN_SECURITY_STARTTLS) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.ldap_security.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.SyncIntervalMinutes <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.ldap_sync_interval.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaxPageSize < 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.ldap_max_page_size.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.Enable {
+		if *s.LdapServer == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_server", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.BaseDN == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_basedn", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.EmailAttribute == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_email", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.UsernameAttribute == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_username", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.IdAttribute == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_id", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.LoginIdAttribute == "" {
+			return NewAppError("Config.IsValid", "model.config.is_valid.ldap_login_id", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.UserFilter != "" {
+			if _, err := ldap.CompileFilter(*s.UserFilter); err != nil {
+				return NewAppError("ValidateFilter", "ent.ldap.validate_filter.app_error", nil, err.Error(), http.StatusBadRequest)
+			}
+		}
+
+		if *s.GuestFilter != "" {
+			if _, err := ldap.CompileFilter(*s.GuestFilter); err != nil {
+				return NewAppError("LdapSettings.isValid", "ent.ldap.validate_guest_filter.app_error", nil, err.Error(), http.StatusBadRequest)
+			}
+		}
+
+		if *s.AdminFilter != "" {
+			if _, err := ldap.CompileFilter(*s.AdminFilter); err != nil {
+				return NewAppError("LdapSettings.isValid", "ent.ldap.validate_admin_filter.app_error", nil, err.Error(), http.StatusBadRequest)
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s *SamlSettings) isValid() *AppError {
+	if *s.Enable {
+		if len(*s.IdpUrl) == 0 || !IsValidHttpUrl(*s.IdpUrl) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_idp_url.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.IdpDescriptorUrl) == 0 || !IsValidHttpUrl(*s.IdpDescriptorUrl) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_idp_descriptor_url.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.IdpCertificateFile) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_idp_cert.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.EmailAttribute) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_email_attribute.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.UsernameAttribute) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_username_attribute.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.ServiceProviderIdentifier) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_spidentifier_attribute.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.Verify {
+			if len(*s.AssertionConsumerServiceURL) == 0 || !IsValidHttpUrl(*s.AssertionConsumerServiceURL) {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_assertion_consumer_service_url.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+
+		if *s.Encrypt {
+			if len(*s.PrivateKeyFile) == 0 {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_private_key.app_error", nil, "", http.StatusBadRequest)
+			}
+
+			if len(*s.PublicCertificateFile) == 0 {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_public_cert.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+
+		if len(*s.EmailAttribute) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_email_attribute.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if !(*s.SignatureAlgorithm == SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA1 || *s.SignatureAlgorithm == SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA256 || *s.SignatureAlgorithm == SAML_SETTINGS_SIGNATURE_ALGORITHM_SHA512) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_signature_algorithm.app_error", nil, "", http.StatusBadRequest)
+		}
+		if !(*s.CanonicalAlgorithm == SAML_SETTINGS_CANONICAL_ALGORITHM_C14N || *s.CanonicalAlgorithm == SAML_SETTINGS_CANONICAL_ALGORITHM_C14N11) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.saml_canonical_algorithm.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if len(*s.GuestAttribute) > 0 {
+			if !(strings.Contains(*s.GuestAttribute, "=")) {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_guest_attribute.app_error", nil, "", http.StatusBadRequest)
+			}
+			if len(strings.Split(*s.GuestAttribute, "=")) != 2 {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_guest_attribute.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+
+		if len(*s.AdminAttribute) > 0 {
+			if !(strings.Contains(*s.AdminAttribute, "=")) {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_admin_attribute.app_error", nil, "", http.StatusBadRequest)
+			}
+			if len(strings.Split(*s.AdminAttribute, "=")) != 2 {
+				return NewAppError("Config.IsValid", "model.config.is_valid.saml_admin_attribute.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s *ServiceSettings) isValid() *AppError {
+	if !(*s.ConnectionSecurity == CONN_SECURITY_NONE || *s.ConnectionSecurity == CONN_SECURITY_TLS) {
+		return NewAppError("Config.IsValid", "model.config.is_valid.webserver_security.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.ConnectionSecurity == CONN_SECURITY_TLS && !*s.UseLetsEncrypt {
+		appErr := NewAppError("Config.IsValid", "model.config.is_valid.tls_cert_file.app_error", nil, "", http.StatusBadRequest)
+
+		if *s.TLSCertFile == "" {
+			return appErr
+		} else if _, err := os.Stat(*s.TLSCertFile); os.IsNotExist(err) {
+			return appErr
+		}
+
+		appErr = NewAppError("Config.IsValid", "model.config.is_valid.tls_key_file.app_error", nil, "", http.StatusBadRequest)
+
+		if *s.TLSKeyFile == "" {
+			return appErr
+		} else if _, err := os.Stat(*s.TLSKeyFile); os.IsNotExist(err) {
+			return appErr
+		}
+	}
+
+	if len(s.TLSOverwriteCiphers) > 0 {
+		for _, cipher := range s.TLSOverwriteCiphers {
+			if _, ok := ServerTLSSupportedCiphers[cipher]; !ok {
+				return NewAppError("Config.IsValid", "model.config.is_valid.tls_overwrite_cipher.app_error", map[string]interface{}{"name": cipher}, "", http.StatusBadRequest)
+			}
+		}
+	}
+
+	if *s.ReadTimeout <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.read_timeout.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.WriteTimeout <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.write_timeout.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.TimeBetweenUserTypingUpdatesMilliseconds < 1000 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.time_between_user_typing.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.MaximumLoginAttempts <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.login_attempts.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(*s.SiteURL) != 0 {
+		if _, err := url.ParseRequestURI(*s.SiteURL); err != nil {
+			return NewAppError("Config.IsValid", "model.config.is_valid.site_url.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if len(*s.WebsocketURL) != 0 {
+		if _, err := url.ParseRequestURI(*s.WebsocketURL); err != nil {
+			return NewAppError("Config.IsValid", "model.config.is_valid.websocket_url.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	host, port, _ := net.SplitHostPort(*s.ListenAddress)
+	var isValidHost bool
+	if host == "" {
+		isValidHost = true
+	} else {
+		isValidHost = (net.ParseIP(host) != nil) || IsDomainName(host)
+	}
+	portInt, err := strconv.Atoi(port)
+	if err != nil || !isValidHost || portInt < 0 || portInt > math.MaxUint16 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.listen_address.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.ExperimentalGroupUnreadChannels != GROUP_UNREAD_CHANNELS_DISABLED &&
+		*s.ExperimentalGroupUnreadChannels != GROUP_UNREAD_CHANNELS_DEFAULT_ON &&
+		*s.ExperimentalGroupUnreadChannels != GROUP_UNREAD_CHANNELS_DEFAULT_OFF {
+		return NewAppError("Config.IsValid", "model.config.is_valid.group_unread_channels.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *ElasticsearchSettings) isValid() *AppError {
+	if *s.EnableIndexing {
+		if len(*s.ConnectionUrl) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.connection_url.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if *s.EnableSearching && !*s.EnableIndexing {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.enable_searching.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.EnableAutocomplete && !*s.EnableIndexing {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.enable_autocomplete.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.AggregatePostsAfterDays < 1 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.aggregate_posts_after_days.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if _, err := time.Parse("15:04", *s.PostsAggregatorJobStartTime); err != nil {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.posts_aggregator_job_start_time.app_error", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	if *s.LiveIndexingBatchSize < 1 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.live_indexing_batch_size.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.BulkIndexingTimeWindowSeconds < 1 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.bulk_indexing_time_window_seconds.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.RequestTimeoutSeconds < 1 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.elastic_search.request_timeout_seconds.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (bs *BleveSettings) isValid() *AppError {
+	if *bs.EnableIndexing {
+		if len(*bs.IndexDir) == 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.bleve_search.filename.app_error", nil, "", http.StatusBadRequest)
+		}
+	} else {
+		if *bs.EnableSearching {
+			return NewAppError("Config.IsValid", "model.config.is_valid.bleve_search.enable_searching.app_error", nil, "", http.StatusBadRequest)
+		}
+		if *bs.EnableAutocomplete {
+			return NewAppError("Config.IsValid", "model.config.is_valid.bleve_search.enable_autocomplete.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+	if *bs.BulkIndexingTimeWindowSeconds < 1 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.bleve_search.bulk_indexing_time_window_seconds.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *DataRetentionSettings) isValid() *AppError {
+	if *s.MessageRetentionDays <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.data_retention.message_retention_days_too_low.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if *s.FileRetentionDays <= 0 {
+		return NewAppError("Config.IsValid", "model.config.is_valid.data_retention.file_retention_days_too_low.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if _, err := time.Parse("15:04", *s.DeletionJobStartTime); err != nil {
+		return NewAppError("Config.IsValid", "model.config.is_valid.data_retention.deletion_job_start_time.app_error", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (s *LocalizationSettings) isValid() *AppError {
+	if len(*s.AvailableLocales) > 0 {
+		if !strings.Contains(*s.AvailableLocales, *s.DefaultClientLocale) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.localization.available_locales.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (s *MessageExportSettings) isValid(fs FileSettings) *AppError {
+	if s.EnableExport == nil {
+		return NewAppError("Config.IsValid", "model.config.is_valid.message_export.enable.app_error", nil, "", http.StatusBadRequest)
+	}
+	if *s.EnableExport {
+		if s.ExportFromTimestamp == nil || *s.ExportFromTimestamp < 0 || *s.ExportFromTimestamp > GetMillis() {
+			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.export_from.app_error", nil, "", http.StatusBadRequest)
+		} else if s.DailyRunTime == nil {
+			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.daily_runtime.app_error", nil, "", http.StatusBadRequest)
+		} else if _, err := time.Parse("15:04", *s.DailyRunTime); err != nil {
+			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.daily_runtime.app_error", nil, err.Error(), http.StatusBadRequest)
+		} else if s.BatchSize == nil || *s.BatchSize < 0 {
+			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.batch_size.app_error", nil, "", http.StatusBadRequest)
+		} else if s.ExportFormat == nil || (*s.ExportFormat != COMPLIANCE_EXPORT_TYPE_ACTIANCE && *s.ExportFormat != COMPLIANCE_EXPORT_TYPE_GLOBALRELAY && *s.ExportFormat != COMPLIANCE_EXPORT_TYPE_CSV) {
+			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.export_type.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if *s.ExportFormat == COMPLIANCE_EXPORT_TYPE_GLOBALRELAY {
+			if s.GlobalRelaySettings == nil {
+				return NewAppError("Config.IsValid", "model.config.is_valid.message_export.global_relay.config_missing.app_error", nil, "", http.StatusBadRequest)
+			} else if s.GlobalRelaySettings.CustomerType == nil || (*s.GlobalRelaySettings.CustomerType != GLOBALRELAY_CUSTOMER_TYPE_A9 && *s.GlobalRelaySettings.CustomerType != GLOBALRELAY_CUSTOMER_TYPE_A10) {
+				return NewAppError("Config.IsValid", "model.config.is_valid.message_export.global_relay.customer_type.app_error", nil, "", http.StatusBadRequest)
+			} else if s.GlobalRelaySettings.EmailAddress == nil || !strings.Contains(*s.GlobalRelaySettings.EmailAddress, "@") {
+				// validating email addresses is hard - just make sure it contains an '@' sign
+				// see https://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address
+				return NewAppError("Config.IsValid", "model.config.is_valid.message_export.global_relay.email_address.app_error", nil, "", http.StatusBadRequest)
+			} else if s.GlobalRelaySettings.SmtpUsername == nil || *s.GlobalRelaySettings.SmtpUsername == "" {
+				return NewAppError("Config.IsValid", "model.config.is_valid.message_export.global_relay.smtp_username.app_error", nil, "", http.StatusBadRequest)
+			} else if s.GlobalRelaySettings.SmtpPassword == nil || *s.GlobalRelaySettings.SmtpPassword == "" {
+				return NewAppError("Config.IsValid", "model.config.is_valid.message_export.global_relay.smtp_password.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+	}
+	return nil
+}
+
+func (s *DisplaySettings) isValid() *AppError {
+	if len(s.CustomUrlSchemes) != 0 {
+		validProtocolPattern := regexp.MustCompile(`(?i)^\s*[A-Za-z][A-Za-z0-9.+-]*\s*$`)
+
+		for _, scheme := range s.CustomUrlSchemes {
+			if !validProtocolPattern.MatchString(scheme) {
+				return NewAppError(
+					"Config.IsValid",
+					"model.config.is_valid.display.custom_url_schemes.app_error",
+					map[string]interface{}{"Scheme": scheme},
+					"",
+					http.StatusBadRequest,
+				)
+			}
+		}
+	}
+
+	return nil
+}
+
+func (s *ImageProxySettings) isValid() *AppError {
+	if *s.Enable {
+		switch *s.ImageProxyType {
+		case IMAGE_PROXY_TYPE_LOCAL:
+			// No other settings to validate
+		case IMAGE_PROXY_TYPE_ATMOS_CAMO:
+			if *s.RemoteImageProxyURL == "" {
+				return NewAppError("Config.IsValid", "model.config.is_valid.atmos_camo_image_proxy_url.app_error", nil, "", http.StatusBadRequest)
+			}
+
+			if *s.RemoteImageProxyOptions == "" {
+				return NewAppError("Config.IsValid", "model.config.is_valid.atmos_camo_image_proxy_options.app_error", nil, "", http.StatusBadRequest)
+			}
+		default:
+			return NewAppError("Config.IsValid", "model.config.is_valid.image_proxy_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Config) GetSanitizeOptions() map[string]bool {
+	options := map[string]bool{}
+	options["fullname"] = *o.PrivacySettings.ShowFullName
+	options["email"] = *o.PrivacySettings.ShowEmailAddress
+
+	return options
+}
+
+func (o *Config) Sanitize() {
+	if o.LdapSettings.BindPassword != nil && len(*o.LdapSettings.BindPassword) > 0 {
+		*o.LdapSettings.BindPassword = FAKE_SETTING
+	}
+
+	*o.FileSettings.PublicLinkSalt = FAKE_SETTING
+
+	if len(*o.FileSettings.AmazonS3SecretAccessKey) > 0 {
+		*o.FileSettings.AmazonS3SecretAccessKey = FAKE_SETTING
+	}
+
+	if o.EmailSettings.SMTPPassword != nil && len(*o.EmailSettings.SMTPPassword) > 0 {
+		*o.EmailSettings.SMTPPassword = FAKE_SETTING
+	}
+
+	if len(*o.GitLabSettings.Secret) > 0 {
+		*o.GitLabSettings.Secret = FAKE_SETTING
+	}
+
+	*o.SqlSettings.DataSource = FAKE_SETTING
+	*o.SqlSettings.AtRestEncryptKey = FAKE_SETTING
+
+	*o.ElasticsearchSettings.Password = FAKE_SETTING
+
+	for i := range o.SqlSettings.DataSourceReplicas {
+		o.SqlSettings.DataSourceReplicas[i] = FAKE_SETTING
+	}
+
+	for i := range o.SqlSettings.DataSourceSearchReplicas {
+		o.SqlSettings.DataSourceSearchReplicas[i] = FAKE_SETTING
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/data_retention_policy.go b/vendor/github.com/mattermost/mattermost-server/v5/model/data_retention_policy.go
new file mode 100644
index 00000000..a39ff911
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/data_retention_policy.go
@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type DataRetentionPolicy struct {
+	MessageDeletionEnabled bool  `json:"message_deletion_enabled"`
+	FileDeletionEnabled    bool  `json:"file_deletion_enabled"`
+	MessageRetentionCutoff int64 `json:"message_retention_cutoff"`
+	FileRetentionCutoff    int64 `json:"file_retention_cutoff"`
+}
+
+func (me *DataRetentionPolicy) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func DataRetentionPolicyFromJson(data io.Reader) *DataRetentionPolicy {
+	var me *DataRetentionPolicy
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go
new file mode 100644
index 00000000..aeee9b38
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji.go
@@ -0,0 +1,96 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+)
+
+const (
+	EMOJI_NAME_MAX_LENGTH = 64
+	EMOJI_SORT_BY_NAME    = "name"
+)
+
+var EMOJI_PATTERN = regexp.MustCompile(`:[a-zA-Z0-9_-]+:`)
+
+type Emoji struct {
+	Id        string `json:"id"`
+	CreateAt  int64  `json:"create_at"`
+	UpdateAt  int64  `json:"update_at"`
+	DeleteAt  int64  `json:"delete_at"`
+	CreatorId string `json:"creator_id"`
+	Name      string `json:"name"`
+}
+
+func inSystemEmoji(emojiName string) bool {
+	_, ok := SystemEmojis[emojiName]
+	return ok
+}
+
+func GetSystemEmojiId(emojiName string) (string, bool) {
+	id, found := SystemEmojis[emojiName]
+	return id, found
+}
+
+func (emoji *Emoji) IsValid() *AppError {
+	if !IsValidId(emoji.Id) {
+		return NewAppError("Emoji.IsValid", "model.emoji.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if emoji.CreateAt == 0 {
+		return NewAppError("Emoji.IsValid", "model.emoji.create_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
+	}
+
+	if emoji.UpdateAt == 0 {
+		return NewAppError("Emoji.IsValid", "model.emoji.update_at.app_error", nil, "id="+emoji.Id, http.StatusBadRequest)
+	}
+
+	if len(emoji.CreatorId) > 26 {
+		return NewAppError("Emoji.IsValid", "model.emoji.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return IsValidEmojiName(emoji.Name)
+}
+
+func IsValidEmojiName(name string) *AppError {
+	if len(name) == 0 || len(name) > EMOJI_NAME_MAX_LENGTH || !IsValidAlphaNumHyphenUnderscore(name, false) || inSystemEmoji(name) {
+		return NewAppError("Emoji.IsValid", "model.emoji.name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (emoji *Emoji) PreSave() {
+	if emoji.Id == "" {
+		emoji.Id = NewId()
+	}
+
+	emoji.CreateAt = GetMillis()
+	emoji.UpdateAt = emoji.CreateAt
+}
+
+func (emoji *Emoji) ToJson() string {
+	b, _ := json.Marshal(emoji)
+	return string(b)
+}
+
+func EmojiFromJson(data io.Reader) *Emoji {
+	var emoji *Emoji
+	json.NewDecoder(data).Decode(&emoji)
+	return emoji
+}
+
+func EmojiListToJson(emojiList []*Emoji) string {
+	b, _ := json.Marshal(emojiList)
+	return string(b)
+}
+
+func EmojiListFromJson(data io.Reader) []*Emoji {
+	var emojiList []*Emoji
+	json.NewDecoder(data).Decode(&emojiList)
+	return emojiList
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_data.go b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_data.go
new file mode 100644
index 00000000..807f6abb
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_data.go
@@ -0,0 +1,6 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+var SystemEmojis = map[string]string{"policewoman": "1f46e-200d-2640-fe0f", "family_man_girl_medium_skin_tone": "1f468-1f3fd", "man_technologist": "1f468-200d-1f4bb", "family_woman_girl_medium_light_skin_tone": "1f469-1f3fc", "massage_woman_medium_light_skin_tone": "1f486-1f3fc-200d-2640-fe0f", "family_woman_woman_boy": "1f469-200d-1f469-200d-1f466", "rice_scene": "1f391", "notes": "1f3b6", "burundi": "1f1e7-1f1ee", "woman_medium_skin_tone": "1f469-1f3fd", "tipping_hand_man_medium_dark_skin_tone": "1f481-1f3fe-200d-2642-fe0f", "new_moon": "1f311", "belize": "1f1e7-1f1ff", "bhutan": "1f1e7-1f1f9", "eu": "1f1ea-1f1fa", "point_up_dark_skin_tone": "261d-1f3ff", "older_man_medium_light_skin_tone": "1f474-1f3fc", "prince": "1f934", "walking_man": "1f6b6", "telephone_receiver": "1f4de", "arrow_upper_right": "2197-fe0f", "taiwan": "1f1f9-1f1fc", "-1_light_skin_tone": "1f44e-1f3fb", "bear": "1f43b", "derelict_house": "1f3da", "blue_book": "1f4d8", "ok": "1f197", "woman_farmer_medium_light_skin_tone": "1f469-1f3fc", "man_shrugging_light_skin_tone": "1f937-1f3fb-200d-2642-fe0f", "dancing_women": "1f46f", "cd": "1f4bf", "tada": "1f389", "virgo": "264d-fe0f", "white_flower": "1f4ae", "guardswoman_medium_dark_skin_tone": "1f482-1f3fe-200d-2640-fe0f", "performing_arts": "1f3ad", "prayer_beads": "1f4ff", "congo_brazzaville": "1f1e8-1f1ec", "point_down_medium_skin_tone": "1f447-1f3fd", "raised_hand_with_fingers_splayed_light_skin_tone": "1f590-1f3fb", "man_playing_water_polo_medium_skin_tone": "1f93d-1f3fd-200d-2642-fe0f", "four_leaf_clover": "1f340", "microphone": "1f3a4", "heartpulse": "1f497", "north_korea": "1f1f0-1f1f5", "neutral_face": "1f610", "volleyball": "1f3d0", "man_playing_water_polo": "1f93d-200d-2642-fe0f", "uk": "1f1ec-1f1e7", "wallis_futuna": "1f1fc-1f1eb", "earth_africa": "1f30d", "droplet": "1f4a7", "construction_worker_man_medium_dark_skin_tone": "1f477-1f3fe-200d-2640-fe0f", "family_woman_woman_girl_boy_medium_light_skin_tone": "1f469-1f3fc", "mountain_biking_man_medium_dark_skin_tone": "1f6b5-1f3fe-200d-2640-fe0f", "vulcan_salute_light_skin_tone": "1f596-1f3fb", "woman_shrugging_dark_skin_tone": "1f937-1f3ff-200d-2640-fe0f", "walking_man_medium_light_skin_tone": "1f6b6-1f3fc-200d-2640-fe0f", "wave": "1f44b", "framed_picture": "1f5bc", "mag": "1f50d", "fist_left": "1f91b", "building_construction": "1f3d7", "clock9": "1f558", "cayman_islands": "1f1f0-1f1fe", "laos": "1f1f1-1f1e6", "woman_playing_handball_dark_skin_tone": "1f93e-1f3ff-200d-2640-fe0f", "man_office_worker": "1f468-200d-1f4bc", "family_man_woman_girl": "1f468-200d-1f469-200d-1f467", "wilted_flower": "1f940", "books": "1f4da", "rage": "1f621", "rice_ball": "1f359", "desert": "1f3dc", "malta": "1f1f2-1f1f9", "haircut_woman_dark_skin_tone": "1f487-1f3ff-200d-2640-fe0f", "symbols": "1f523", "marshall_islands": "1f1f2-1f1ed", "sierra_leone": "1f1f8-1f1f1", "crossed_fingers_medium_dark_skin_tone": "1f91e-1f3fe", "man_judge_medium_skin_tone": "1f468-1f3fd", "bamboo": "1f38d", "keyboard": "2328-fe0f", "clock10": "1f559", "massage_man_medium_skin_tone": "1f486-1f3fd-200d-2642-fe0f", "tipping_hand_man_dark_skin_tone": "1f481-1f3ff-200d-2642-fe0f", "man_facepalming_light_skin_tone": "1f926-1f3fb-200d-2642-fe0f", "train": "1f68b", "traffic_light": "1f6a5", "vietnam": "1f1fb-1f1f3", "boy_medium_light_skin_tone": "1f466-1f3fc", "man_farmer_light_skin_tone": "1f468-1f3fb", "man_singer_medium_dark_skin_tone": "1f468-1f3fe", "woman_cartwheeling_medium_light_skin_tone": "1f938-1f3fc-200d-2640-fe0f", "top": "1f51d", "gb": "1f1ec-1f1e7", "mouse2": "1f401", "do_not_litter": "1f6af", "south_sudan": "1f1f8-1f1f8", "bowing_woman_light_skin_tone": "1f647-1f3fb-200d-2640-fe0f", "family_man_man_girl_girl_medium_light_skin_tone": "1f468-1f3fc", "japanese_goblin": "1f47a", "camel": "1f42b", "taurus": "2649-fe0f", "mute": "1f507", "woman_mechanic_medium_dark_skin_tone": "1f469-1f3fe", "surfer": "1f3c4", "tipping_hand_man": "1f481-200d-2642-fe0f", "family_woman_woman_boy_boy": "1f469-200d-1f469-200d-1f466-200d-1f466", "floppy_disk": "1f4be", "atm": "1f3e7", "clock230": "1f55d", "prince_light_skin_tone": "1f934-1f3fb", "name_badge": "1f4db", "octocat": "octocat", "family_woman_woman_girl_girl_dark_skin_tone": "1f469-1f3ff", "christmas_tree": "1f384", "waxing_gibbous_moon": "1f314", "mountain_cableway": "1f6a0", "woman_scientist_medium_dark_skin_tone": "1f469-1f3fe", "haircut_man_medium_dark_skin_tone": "1f487-1f3fe-200d-2642-fe0f", "basketball_woman_medium_dark_skin_tone": "26f9-1f3fe-200d-2640-fe0f", "family_man_man_boy_medium_light_skin_tone": "1f468-1f3fc", "rowing_woman_medium_dark_skin_tone": "1f6a3-1f3fe-200d-2640-fe0f", "bowling": "1f3b3", "shinto_shrine": "26e9", "round_pushpin": "1f4cd", "cyprus": "1f1e8-1f1fe", "open_hands_dark_skin_tone": "1f450-1f3ff", "clap_medium_skin_tone": "1f44f-1f3fd", "bath_medium_dark_skin_tone": "1f6c0-1f3fe", "briefcase": "1f4bc", "tiger": "1f42f", "morocco": "1f1f2-1f1e6", "open_hands_light_skin_tone": "1f450-1f3fb", "hand_light_skin_tone": "270b-1f3fb", "weight_lifting_man_medium_dark_skin_tone": "1f3cb-1f3fe-200d-2640-fe0f", "mans_shoe": "1f45e", "poland": "1f1f5-1f1f1", "raised_hands_medium_skin_tone": "1f64c-1f3fd", "family_man_woman_girl_boy_light_skin_tone": "1f468-1f3fb", "woman_playing_handball_medium_skin_tone": "1f93e-1f3fd-200d-2640-fe0f", "office": "1f3e2", "woman_singer_medium_dark_skin_tone": "1f469-1f3fe", "family_woman_woman_boy_boy_medium_light_skin_tone": "1f469-1f3fc", "scorpion": "1f982", "tomato": "1f345", "goal_net": "1f945", "chad": "1f1f9-1f1e9", "family_man_woman_girl_boy_medium_skin_tone": "1f468-1f3fd", "mountain_biking_man_light_skin_tone": "1f6b5-1f3fb-200d-2640-fe0f", "weight_lifting_man_dark_skin_tone": "1f3cb-1f3ff-200d-2640-fe0f", "eyeglasses": "1f453", "golfing_woman": "1f3cc-fe0f-200d-2640-fe0f", "dvd": "1f4c0", "clipboard": "1f4cb", "ireland": "1f1ee-1f1ea", "woman_student_dark_skin_tone": "1f469-1f3ff", "angry": "1f620", "baby": "1f476", "women_wrestling": "1f93c-200d-2640-fe0f", "black_square_button": "1f532", "male_detective_medium_light_skin_tone": "1f575-1f3fc-200d-2640-fe0f", "dancer_dark_skin_tone": "1f483-1f3ff", "id": "1f194", "vibration_mode": "1f4f3", "handshake": "1f91d", "tiger2": "1f405", "leaves": "1f343", "baseball": "26be-fe0f", "golf": "26f3-fe0f", "toilet": "1f6bd", "male_detective_dark_skin_tone": "1f575-1f3ff-200d-2640-fe0f", "family_woman_boy": "1f469-200d-1f466", "duck": "1f986", "writing_hand_medium_dark_skin_tone": "270d-1f3fe", "woman_singer_medium_light_skin_tone": "1f469-1f3fc", "man_teacher_medium_skin_tone": "1f468-1f3fd", "lips": "1f444", "octopus": "1f419", "policeman_medium_dark_skin_tone": "1f46e-1f3fe-200d-2640-fe0f", "man_factory_worker_dark_skin_tone": "1f468-1f3ff", "man_astronaut_light_skin_tone": "1f468-1f3fb", "ok_man_dark_skin_tone": "1f646-1f3ff-200d-2642-fe0f", "couple_with_heart": "1f491", "pray_medium_skin_tone": "1f64f-1f3fd", "woman_health_worker_light_skin_tone": "1f469-1f3fb", "tipping_hand_woman_medium_light_skin_tone": "1f481-1f3fc-200d-2640-fe0f", "no_good_woman_dark_skin_tone": "1f645-1f3ff-200d-2640-fe0f", "no_good_woman_medium_dark_skin_tone": "1f645-1f3fe-200d-2640-fe0f", "thumbsdown": "1f44e", "fist": "270a", "camera_flash": "1f4f8", "azerbaijan": "1f1e6-1f1ff", "woman_with_turban_medium_light_skin_tone": "1f473-1f3fc-200d-2640-fe0f", "man_singer_medium_skin_tone": "1f468-1f3fd", "mali": "1f1f2-1f1f1", "blonde_woman_medium_dark_skin_tone": "1f471-1f3fe-200d-2640-fe0f", "family_man_man_girl_light_skin_tone": "1f468-1f3fb", "biking_woman_medium_skin_tone": "1f6b4-1f3fd-200d-2640-fe0f", "crab": "1f980", "green_salad": "1f957", "men_wrestling": "1f93c-200d-2642-fe0f", "-1_medium_dark_skin_tone": "1f44e-1f3fe", "baby_dark_skin_tone": "1f476-1f3ff", "surfing_woman_light_skin_tone": "1f3c4-1f3fb-200d-2640-fe0f", "stuck_out_tongue_winking_eye": "1f61c", "plate_with_cutlery": "1f37d", "swimmer": "1f3ca", "blonde_woman_medium_light_skin_tone": "1f471-1f3fc-200d-2640-fe0f", "curly_loop": "27b0", "india": "1f1ee-1f1f3", "norfolk_island": "1f1f3-1f1eb", "mountain_biking_woman_dark_skin_tone": "1f6b5-1f3ff-200d-2640-fe0f", "ghost": "1f47b", "boar": "1f417", "railway_track": "1f6e4", "100": "1f4af", "metal_medium_dark_skin_tone": "1f918-1f3fe", "woman_playing_handball_light_skin_tone": "1f93e-1f3fb-200d-2640-fe0f", "barber": "1f488", "clock730": "1f562", "equatorial_guinea": "1f1ec-1f1f6", "maldives": "1f1f2-1f1fb", "weight_lifting_woman_medium_dark_skin_tone": "1f3cb-1f3fe-200d-2640-fe0f", "eagle": "1f985", "tea": "1f375", "tanabata_tree": "1f38b", "night_with_stars": "1f303", "balloon": "1f388", "on": "1f51b", "lizard": "1f98e", "beer": "1f37a", "part_alternation_mark": "303d-fe0f", "white_square_button": "1f533", "clock430": "1f55f", "gibraltar": "1f1ec-1f1ee", "massage_woman_medium_skin_tone": "1f486-1f3fd-200d-2640-fe0f", "sweat": "1f613", "athletic_shoe": "1f45f", "joystick": "1f579", "biohazard": "2623-fe0f", "muscle_medium_light_skin_tone": "1f4aa-1f3fc", "bride_with_veil_medium_light_skin_tone": "1f470-1f3fc", "parasol_on_ground": "26f1", "costa_rica": "1f1e8-1f1f7", "woman_student_light_skin_tone": "1f469-1f3fb", "massage_woman_medium_dark_skin_tone": "1f486-1f3fe-200d-2640-fe0f", "surfing_woman_medium_dark_skin_tone": "1f3c4-1f3fe-200d-2640-fe0f", "rowing_woman": "1f6a3-200d-2640-fe0f", "guardsman_light_skin_tone": "1f482-1f3fb-200d-2640-fe0f", "construction_worker_man_light_skin_tone": "1f477-1f3fb-200d-2640-fe0f", "family_woman_boy_boy": "1f469-200d-1f466-200d-1f466", "small_airplane": "1f6e9", "baggage_claim": "1f6c4", "bosnia_herzegovina": "1f1e7-1f1e6", "falkland_islands": "1f1eb-1f1f0", "crossed_fingers_medium_light_skin_tone": "1f91e-1f3fc", "man_scientist_medium_light_skin_tone": "1f468-1f3fc", "family_woman_girl_boy_medium_skin_tone": "1f469-1f3fd", "satisfied": "1f606", "u5408": "1f234", "cn": "1f1e8-1f1f3", "isle_of_man": "1f1ee-1f1f2", "fist_raised_medium_light_skin_tone": "270a-1f3fc", "family_man_woman_girl_dark_skin_tone": "1f468-1f3ff", "family_woman_girl_dark_skin_tone": "1f469-1f3ff", "family_man_boy_medium_skin_tone": "1f468-1f3fd", "money_mouth_face": "1f911", "syringe": "1f489", "hand_medium_light_skin_tone": "270b-1f3fc", "writing_hand_medium_skin_tone": "270d-1f3fd", "man_farmer_medium_light_skin_tone": "1f468-1f3fc", "woman_artist_dark_skin_tone": "1f469-1f3ff", "tickets": "1f39f", "man_cartwheeling_light_skin_tone": "1f938-1f3fb-200d-2642-fe0f", "squid": "1f991", "fish": "1f41f", "memo": "1f4dd", "eye_speech_bubble": "1f441-200d-1f5e8", "+1_light_skin_tone": "1f44d-1f3fb", "tulip": "1f337", "blossom": "1f33c", "family_woman_woman_girl_medium_dark_skin_tone": "1f469-1f3fe", "triumph": "1f624", "rooster": "1f413", "ng": "1f196", "blonde_man_medium_light_skin_tone": "1f471-1f3fc-200d-2640-fe0f", "policeman_light_skin_tone": "1f46e-1f3fb-200d-2640-fe0f", "woman_cook_dark_skin_tone": "1f469-1f3ff", "pray_dark_skin_tone": "1f64f-1f3ff", "point_up_2_medium_skin_tone": "1f446-1f3fd", "busts_in_silhouette": "1f465", "tornado": "1f32a", "woman_juggling": "1f939-200d-2640-fe0f", "cupid": "1f498", "white_check_mark": "2705", "aruba": "1f1e6-1f1fc", "family_man_boy_boy_medium_dark_skin_tone": "1f468-1f3fe", "woman_cartwheeling_dark_skin_tone": "1f938-1f3ff-200d-2640-fe0f", "woman_playing_water_polo_dark_skin_tone": "1f93d-1f3ff-200d-2640-fe0f", "relaxed": "263a-fe0f", "birthday": "1f382", "high_brightness": "1f506", "couple_with_heart_woman_woman_medium_light_skin_tone": "1f469-1f3fc", "biking_man_dark_skin_tone": "1f6b4-1f3ff-200d-2640-fe0f", "disappointed_relieved": "1f625", "canary_islands": "1f1ee-1f1e8", "st_pierre_miquelon": "1f1f5-1f1f2", "trinidad_tobago": "1f1f9-1f1f9", "turkmenistan": "1f1f9-1f1f2", "pouting_woman_medium_skin_tone": "1f64e-1f3fd-200d-2640-fe0f", "man_student_dark_skin_tone": "1f468-1f3ff", "princess_dark_skin_tone": "1f478-1f3ff", "family_woman_boy_boy_medium_skin_tone": "1f469-1f3fd", "old_key": "1f5dd", "muscle_medium_skin_tone": "1f4aa-1f3fd", "ear_medium_dark_skin_tone": "1f442-1f3fe", "girl_medium_dark_skin_tone": "1f467-1f3fe", "man_pilot_dark_skin_tone": "1f468-1f3ff", "wolf": "1f43a", "gem": "1f48e", "arrow_double_up": "23eb", "woman_factory_worker_light_skin_tone": "1f469-1f3fb", "woman_mechanic_medium_skin_tone": "1f469-1f3fd", "woman_firefighter_light_skin_tone": "1f469-1f3fb", "sunglasses": "1f60e", "snake": "1f40d", "pen": "1f58a", "nose_medium_skin_tone": "1f443-1f3fd", "weight_lifting_man": "1f3cb-fe0f", "alarm_clock": "23f0", "golfing_woman_medium_light_skin_tone": "1f3cc-1f3fc-200d-2640-fe0f", "vulcan_salute": "1f596", "earth_asia": "1f30f", "+1_dark_skin_tone": "1f44d-1f3ff", "family_woman_boy_medium_dark_skin_tone": "1f469-1f3fe", "family_woman_girl_girl_light_skin_tone": "1f469-1f3fb", "weight_lifting_man_medium_light_skin_tone": "1f3cb-1f3fc-200d-2640-fe0f", "angel": "1f47c", "peach": "1f351", "truck": "1f69a", "tajikistan": "1f1f9-1f1ef", "tr": "1f1f9-1f1f7", "running_woman_medium_skin_tone": "1f3c3-1f3fd-200d-2640-fe0f", "wrench": "1f527", "black_flag": "1f3f4", "cape_verde": "1f1e8-1f1fb", "man_technologist_medium_light_skin_tone": "1f468-1f3fc", "mountain_biking_woman_medium_light_skin_tone": "1f6b5-1f3fc-200d-2640-fe0f", "man_astronaut_medium_skin_tone": "1f468-1f3fd", "man_in_tuxedo_medium_light_skin_tone": "1f935-1f3fc", "see_no_evil": "1f648", "egg": "1f95a", "1234": "1f522", "lesotho": "1f1f1-1f1f8", "middle_finger_medium_skin_tone": "1f595-1f3fd", "woman_health_worker_medium_light_skin_tone": "1f469-1f3fc", "sneezing_face": "1f927", "man_cook": "1f468-200d-1f373", "mortar_board": "1f393", "candle": "1f56f", "basketball_man_medium_skin_tone": "26f9-1f3fd-200d-2640-fe0f", "ferris_wheel": "1f3a1", "martinique": "1f1f2-1f1f6", "st_vincent_grenadines": "1f1fb-1f1e8", "yemen": "1f1fe-1f1ea", "pray_light_skin_tone": "1f64f-1f3fb", "man_in_tuxedo_medium_skin_tone": "1f935-1f3fd", "woman_pilot_medium_dark_skin_tone": "1f469-1f3fe", "pregnant_woman_dark_skin_tone": "1f930-1f3ff", "fu": "1f595", "haircut": "1f487", "boxing_glove": "1f94a", "page_with_curl": "1f4c3", "muscle_light_skin_tone": "1f4aa-1f3fb", "woman_firefighter_dark_skin_tone": "1f469-1f3ff", "ok_woman_light_skin_tone": "1f646-1f3fb-200d-2640-fe0f", "family_man_woman_boy_boy_medium_light_skin_tone": "1f468-1f3fc", "family_woman_boy_dark_skin_tone": "1f469-1f3ff", "weight_lifting_man_light_skin_tone": "1f3cb-1f3fb-200d-2640-fe0f", "blonde_man": "1f471", "woman_technologist": "1f469-200d-1f4bb", "boom": "1f4a5", "1st_place_medal": "1f947", "nine": "0039-fe0f-20e3", "czech_republic": "1f1e8-1f1ff", "meat_on_bone": "1f356", "hamburger": "1f354", "video_game": "1f3ae", "clock2": "1f551", "woman_facepalming_dark_skin_tone": "1f926-1f3ff-200d-2640-fe0f", "couplekiss_man_man_medium_dark_skin_tone": "1f468-1f3fe", "arrow_lower_right": "2198-fe0f", "haircut_woman_light_skin_tone": "1f487-1f3fb-200d-2640-fe0f", "woman_dark_skin_tone": "1f469-1f3ff", "older_man_light_skin_tone": "1f474-1f3fb", "first_quarter_moon_with_face": "1f31b", "fries": "1f35f", "restroom": "1f6bb", "zero": "0030-fe0f-20e3", "fr": "1f1eb-1f1f7", "kuwait": "1f1f0-1f1fc", "man_health_worker_medium_skin_tone": "1f468-1f3fd", "woman_judge_light_skin_tone": "1f469-1f3fb", "man_judge_dark_skin_tone": "1f468-1f3ff", "ok_woman_medium_skin_tone": "1f646-1f3fd-200d-2640-fe0f", "bike": "1f6b2", "registered": "00ae-fe0f", "blonde_woman_medium_skin_tone": "1f471-1f3fd-200d-2640-fe0f", "stuck_out_tongue_closed_eyes": "1f61d", "collision": "1f4a5", "wheelchair": "267f-fe0f", "black_circle": "26ab-fe0f", "point_up_2_light_skin_tone": "1f446-1f3fb", "older_man": "1f474", "suspension_railway": "1f69f", "libra": "264e-fe0f", "crossed_flags": "1f38c", "man_cartwheeling_medium_dark_skin_tone": "1f938-1f3fe-200d-2642-fe0f", "man_playing_water_polo_dark_skin_tone": 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"1f6b4-200d-2640-fe0f", "cl": "1f191", "raised_back_of_hand_medium_dark_skin_tone": "1f91a-1f3fe", "raising_hand_woman_medium_light_skin_tone": "1f64b-1f3fc-200d-2640-fe0f", "baby_medium_skin_tone": "1f476-1f3fd", "guardsman": "1f482", "woman_astronaut": "1f469-200d-1f680", "tophat": "1f3a9", "honduras": "1f1ed-1f1f3", "mexico": "1f1f2-1f1fd", "nauru": "1f1f3-1f1f7", "mrs_claus_medium_light_skin_tone": "1f936-1f3fc", "weary": "1f629", "womans_hat": "1f452", "person_fencing": "1f93a", "u6708": "1f237-fe0f", "a": "1f170-fe0f", "de": "1f1e9-1f1ea", "lebanon": "1f1f1-1f1e7", "puerto_rico": "1f1f5-1f1f7", "man_mechanic_dark_skin_tone": "1f468-1f3ff", "policeman_dark_skin_tone": "1f46e-1f3ff-200d-2640-fe0f", "kissing_smiling_eyes": "1f619", "avocado": "1f951", "six_pointed_star": "1f52f", "record_button": "23fa", "family_woman_woman_girl_girl_light_skin_tone": "1f469-1f3fb", "mountain_biking_man_medium_light_skin_tone": "1f6b5-1f3fc-200d-2640-fe0f", "couple_with_heart_man_man_medium_dark_skin_tone": "1f468-1f3fe", "family_man_girl_girl_light_skin_tone": "1f468-1f3fb", "post_office": "1f3e3", "telescope": "1f52d", "baby_symbol": "1f6bc", "capital_abcd": "1f520", "woman_singer_light_skin_tone": "1f469-1f3fb", "woman_facepalming_medium_dark_skin_tone": "1f926-1f3fe-200d-2640-fe0f", "ant": "1f41c", "house": "1f3e0", "shield": "1f6e1", "yellow_heart": "1f49b", "u55b6": "1f23a", "senegal": "1f1f8-1f1f3", "united_arab_emirates": "1f1e6-1f1ea", "no_good_woman_medium_skin_tone": "1f645-1f3fd-200d-2640-fe0f", "running_man_medium_light_skin_tone": "1f3c3-1f3fc-200d-2640-fe0f", "beetle": "1f41e", "bus": "1f68c", "flight_arrival": "1f6ec", "black_large_square": "2b1b-fe0f", "white_large_square": "2b1c-fe0f", "woman_technologist_medium_light_skin_tone": "1f469-1f3fc", "skier": "26f7", "ok_hand_medium_light_skin_tone": "1f44c-1f3fc", "rofl": "1f923", "hushed": "1f62f", "ng_man": "1f645-200d-2642-fe0f", "running_woman": "1f3c3-200d-2640-fe0f", "family_man_man_girl_girl": "1f468-200d-1f468-200d-1f467-200d-1f467", "gorilla": "1f98d", "horse_racing_medium_light_skin_tone": "1f3c7-1f3fc", "mountain_biking_man_medium_skin_tone": "1f6b5-1f3fd-200d-2640-fe0f", "disappointed": "1f61e", "dolphin": "1f42c", "green_apple": "1f34f", "honey_pot": "1f36f", "georgia": "1f1ec-1f1ea", "business_suit_levitating": "1f574", "camera": "1f4f7", "ledger": "1f4d2", "woman_cook_medium_skin_tone": "1f469-1f3fd", "bahamas": "1f1e7-1f1f8", "family_woman_woman_girl": "1f469-200d-1f469-200d-1f467", "man_factory_worker_light_skin_tone": "1f468-1f3fb", "golfing_woman_medium_dark_skin_tone": "1f3cc-1f3fe-200d-2640-fe0f", "family_woman_girl": "1f469-200d-1f467", "turtle": "1f422", "mauritius": "1f1f2-1f1fa", "family_man_girl_light_skin_tone": "1f468-1f3fb", "hospital": "1f3e5", "church": "26ea-fe0f", "wheel_of_dharma": "2638-fe0f", "mongolia": "1f1f2-1f1f3", "man_facepalming": "1f926-200d-2642-fe0f", "bed": "1f6cf", "man_artist_medium_light_skin_tone": "1f468-1f3fc", "santa_medium_dark_skin_tone": "1f385-1f3fe", "family_man_woman_girl_medium_light_skin_tone": "1f468-1f3fc", "large_blue_diamond": "1f537", "colombia": "1f1e8-1f1f4", "philippines": "1f1f5-1f1ed", "older_woman_dark_skin_tone": "1f475-1f3ff", "woman_scientist_medium_skin_tone": "1f469-1f3fd", "couplekiss_woman_woman_light_skin_tone": "1f469-1f3fb", "male_detective": "1f575-fe0f", "crossed_swords": "2694-fe0f", "notebook": "1f4d3", "nail_care_medium_light_skin_tone": "1f485-1f3fc", "blonde_man_medium_skin_tone": "1f471-1f3fd-200d-2640-fe0f", "tipping_hand_man_light_skin_tone": "1f481-1f3fb-200d-2642-fe0f", "sweat_smile": "1f605", "white_medium_small_square": "25fd-fe0f", "bowtie": "bowtie", "reminder_ribbon": "1f397", "clamp": "1f5dc", "balance_scale": "2696-fe0f", "postal_horn": "1f4ef", "swimming_woman_dark_skin_tone": "1f3ca-1f3ff-200d-2640-fe0f", "raised_hand_with_fingers_splayed": "1f590", "ok_man": "1f646-200d-2642-fe0f", "new": "1f195", "male_detective_medium_dark_skin_tone": "1f575-1f3fe-200d-2640-fe0f", "computer_mouse": "1f5b1", "hourglass_flowing_sand": "23f3", "bahrain": "1f1e7-1f1ed", "djibouti": "1f1e9-1f1ef", "zimbabwe": "1f1ff-1f1fc", "swimming_man_light_skin_tone": "1f3ca-1f3fb-200d-2640-fe0f", "interrobang": "2049-fe0f", "clock8": "1f557", "pancakes": "1f95e", "thermometer": "1f321", "label": "1f3f7", "denmark": "1f1e9-1f1f0", "raising_hand_man_medium_light_skin_tone": "1f64b-1f3fc-200d-2642-fe0f", "frowning_man_medium_dark_skin_tone": "1f64d-1f3fe-200d-2642-fe0f", "point_right": "1f449", "guitar": "1f3b8", "family_woman_woman_girl_medium_skin_tone": "1f469-1f3fd", "woman_juggling_medium_skin_tone": "1f939-1f3fd-200d-2640-fe0f", "man_health_worker": "1f468-200d-2695-fe0f", "stew": "1f372", "surfing_man": "1f3c4", "twisted_rightwards_arrows": "1f500", "timor_leste": "1f1f9-1f1f1", "weight_lifting_woman": "1f3cb-fe0f-200d-2640-fe0f", "amphora": "1f3fa", "heart": "2764-fe0f", "bowing_man_medium_dark_skin_tone": "1f647-1f3fe-200d-2640-fe0f"}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_search.go b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_search.go
new file mode 100644
index 00000000..71e2671c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/emoji_search.go
@@ -0,0 +1,25 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type EmojiSearch struct {
+	Term       string `json:"term"`
+	PrefixOnly bool   `json:"prefix_only"`
+}
+
+func (es *EmojiSearch) ToJson() string {
+	b, _ := json.Marshal(es)
+	return string(b)
+}
+
+func EmojiSearchFromJson(data io.Reader) *EmojiSearch {
+	var es *EmojiSearch
+	json.NewDecoder(data).Decode(&es)
+	return es
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/file.go b/vendor/github.com/mattermost/mattermost-server/v5/model/file.go
new file mode 100644
index 00000000..9f76bac1
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/file.go
@@ -0,0 +1,34 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	MaxImageSize = int64(6048 * 4032) // 24 megapixels, roughly 36MB as a raw image
+)
+
+var (
+	IMAGE_EXTENSIONS = [7]string{".jpg", ".jpeg", ".gif", ".bmp", ".png", ".tiff", "tif"}
+	IMAGE_MIME_TYPES = map[string]string{".jpg": "image/jpeg", ".jpeg": "image/jpeg", ".gif": "image/gif", ".bmp": "image/bmp", ".png": "image/png", ".tiff": "image/tiff", ".tif": "image/tif"}
+)
+
+type FileUploadResponse struct {
+	FileInfos []*FileInfo `json:"file_infos"`
+	ClientIds []string    `json:"client_ids"`
+}
+
+func FileUploadResponseFromJson(data io.Reader) *FileUploadResponse {
+	var o *FileUploadResponse
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *FileUploadResponse) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/file_info.go b/vendor/github.com/mattermost/mattermost-server/v5/model/file_info.go
new file mode 100644
index 00000000..8a3a5cc0
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/file_info.go
@@ -0,0 +1,209 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"image"
+	"image/gif"
+	"io"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	FILEINFO_SORT_BY_CREATED = "CreateAt"
+	FILEINFO_SORT_BY_SIZE    = "Size"
+)
+
+// GetFileInfosOptions contains options for getting FileInfos
+type GetFileInfosOptions struct {
+	// UserIds optionally limits the FileInfos to those created by the given users.
+	UserIds []string `json:"user_ids"`
+	// ChannelIds optionally limits the FileInfos to those created in the given channels.
+	ChannelIds []string `json:"channel_ids"`
+	// Since optionally limits FileInfos to those created at or after the given time, specified as Unix time in milliseconds.
+	Since int64 `json:"since"`
+	// IncludeDeleted if set includes deleted FileInfos.
+	IncludeDeleted bool `json:"include_deleted"`
+	// SortBy sorts the FileInfos by this field. The default is to sort by date created.
+	SortBy string `json:"sort_by"`
+	// SortDescending changes the sort direction to descending order when true.
+	SortDescending bool `json:"sort_descending"`
+}
+
+type FileInfo struct {
+	Id              string `json:"id"`
+	CreatorId       string `json:"user_id"`
+	PostId          string `json:"post_id,omitempty"`
+	CreateAt        int64  `json:"create_at"`
+	UpdateAt        int64  `json:"update_at"`
+	DeleteAt        int64  `json:"delete_at"`
+	Path            string `json:"-"` // not sent back to the client
+	ThumbnailPath   string `json:"-"` // not sent back to the client
+	PreviewPath     string `json:"-"` // not sent back to the client
+	Name            string `json:"name"`
+	Extension       string `json:"extension"`
+	Size            int64  `json:"size"`
+	MimeType        string `json:"mime_type"`
+	Width           int    `json:"width,omitempty"`
+	Height          int    `json:"height,omitempty"`
+	HasPreviewImage bool   `json:"has_preview_image,omitempty"`
+}
+
+func (fi *FileInfo) ToJson() string {
+	b, _ := json.Marshal(fi)
+	return string(b)
+}
+
+func FileInfoFromJson(data io.Reader) *FileInfo {
+	decoder := json.NewDecoder(data)
+
+	var fi FileInfo
+	if err := decoder.Decode(&fi); err != nil {
+		return nil
+	} else {
+		return &fi
+	}
+}
+
+func FileInfosToJson(infos []*FileInfo) string {
+	b, _ := json.Marshal(infos)
+	return string(b)
+}
+
+func FileInfosFromJson(data io.Reader) []*FileInfo {
+	decoder := json.NewDecoder(data)
+
+	var infos []*FileInfo
+	if err := decoder.Decode(&infos); err != nil {
+		return nil
+	} else {
+		return infos
+	}
+}
+
+func (fi *FileInfo) PreSave() {
+	if fi.Id == "" {
+		fi.Id = NewId()
+	}
+
+	if fi.CreateAt == 0 {
+		fi.CreateAt = GetMillis()
+	}
+
+	if fi.UpdateAt < fi.CreateAt {
+		fi.UpdateAt = fi.CreateAt
+	}
+}
+
+func (fi *FileInfo) IsValid() *AppError {
+	if !IsValidId(fi.Id) {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(fi.CreatorId) && fi.CreatorId != "nouser" {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.user_id.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if len(fi.PostId) != 0 && !IsValidId(fi.PostId) {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.post_id.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.CreateAt == 0 {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.create_at.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.UpdateAt == 0 {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.update_at.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	if fi.Path == "" {
+		return NewAppError("FileInfo.IsValid", "model.file_info.is_valid.path.app_error", nil, "id="+fi.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (fi *FileInfo) IsImage() bool {
+	return strings.HasPrefix(fi.MimeType, "image")
+}
+
+func NewInfo(name string) *FileInfo {
+	info := &FileInfo{
+		Name: name,
+	}
+
+	extension := strings.ToLower(filepath.Ext(name))
+	info.MimeType = mime.TypeByExtension(extension)
+
+	if extension != "" && extension[0] == '.' {
+		// The client expects a file extension without the leading period
+		info.Extension = extension[1:]
+	} else {
+		info.Extension = extension
+	}
+
+	return info
+}
+
+func GetInfoForBytes(name string, data []byte) (*FileInfo, *AppError) {
+	info := &FileInfo{
+		Name: name,
+		Size: int64(len(data)),
+	}
+	var err *AppError
+
+	extension := strings.ToLower(filepath.Ext(name))
+	info.MimeType = mime.TypeByExtension(extension)
+
+	if extension != "" && extension[0] == '.' {
+		// The client expects a file extension without the leading period
+		info.Extension = extension[1:]
+	} else {
+		info.Extension = extension
+	}
+
+	if info.IsImage() {
+		// Only set the width and height if it's actually an image that we can understand
+		if config, _, err := image.DecodeConfig(bytes.NewReader(data)); err == nil {
+			info.Width = config.Width
+			info.Height = config.Height
+
+			if info.MimeType == "image/gif" {
+				// Just show the gif itself instead of a preview image for animated gifs
+				if gifConfig, err := gif.DecodeAll(bytes.NewReader(data)); err != nil {
+					// Still return the rest of the info even though it doesn't appear to be an actual gif
+					info.HasPreviewImage = true
+					return info, NewAppError("GetInfoForBytes", "model.file_info.get.gif.app_error", nil, "name="+name, http.StatusBadRequest)
+				} else {
+					info.HasPreviewImage = len(gifConfig.Image) == 1
+				}
+			} else {
+				info.HasPreviewImage = true
+			}
+		}
+	}
+
+	return info, err
+}
+
+func GetEtagForFileInfos(infos []*FileInfo) string {
+	if len(infos) == 0 {
+		return Etag()
+	}
+
+	var maxUpdateAt int64
+
+	for _, info := range infos {
+		if info.UpdateAt > maxUpdateAt {
+			maxUpdateAt = info.UpdateAt
+		}
+	}
+
+	return Etag(infos[0].PostId, maxUpdateAt)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/gitlab.go b/vendor/github.com/mattermost/mattermost-server/v5/model/gitlab.go
new file mode 100644
index 00000000..0b069cd6
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/gitlab.go
@@ -0,0 +1,8 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	USER_AUTH_SERVICE_GITLAB = "gitlab"
+)
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/group.go b/vendor/github.com/mattermost/mattermost-server/v5/model/group.go
new file mode 100644
index 00000000..4de0dcc4
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/group.go
@@ -0,0 +1,210 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+)
+
+const (
+	GroupSourceLdap GroupSource = "ldap"
+
+	GroupNameMaxLength        = 64
+	GroupSourceMaxLength      = 64
+	GroupDisplayNameMaxLength = 128
+	GroupDescriptionMaxLength = 1024
+	GroupRemoteIDMaxLength    = 48
+)
+
+type GroupSource string
+
+var allGroupSources = []GroupSource{
+	GroupSourceLdap,
+}
+
+var groupSourcesRequiringRemoteID = []GroupSource{
+	GroupSourceLdap,
+}
+
+type Group struct {
+	Id             string      `json:"id"`
+	Name           *string     `json:"name,omitempty"`
+	DisplayName    string      `json:"display_name"`
+	Description    string      `json:"description"`
+	Source         GroupSource `json:"source"`
+	RemoteId       string      `json:"remote_id"`
+	CreateAt       int64       `json:"create_at"`
+	UpdateAt       int64       `json:"update_at"`
+	DeleteAt       int64       `json:"delete_at"`
+	HasSyncables   bool        `db:"-" json:"has_syncables"`
+	MemberCount    *int        `db:"-" json:"member_count,omitempty"`
+	AllowReference bool        `json:"allow_reference"`
+}
+
+type GroupWithSchemeAdmin struct {
+	Group
+	SchemeAdmin *bool `db:"SyncableSchemeAdmin" json:"scheme_admin,omitempty"`
+}
+
+type GroupsAssociatedToChannelWithSchemeAdmin struct {
+	ChannelId string `json:"channel_id"`
+	Group
+	SchemeAdmin *bool `db:"SyncableSchemeAdmin" json:"scheme_admin,omitempty"`
+}
+type GroupsAssociatedToChannel struct {
+	ChannelId string                  `json:"channel_id"`
+	Groups    []*GroupWithSchemeAdmin `json:"groups"`
+}
+
+type GroupPatch struct {
+	Name           *string `json:"name"`
+	DisplayName    *string `json:"display_name"`
+	Description    *string `json:"description"`
+	AllowReference *bool   `json:"allow_reference"`
+}
+
+type LdapGroupSearchOpts struct {
+	Q            string
+	IsLinked     *bool
+	IsConfigured *bool
+}
+
+type GroupSearchOpts struct {
+	Q                      string
+	NotAssociatedToTeam    string
+	NotAssociatedToChannel string
+	IncludeMemberCount     bool
+	FilterAllowReference   bool
+	PageOpts               *PageOpts
+	Since                  int64
+
+	// FilterParentTeamPermitted filters the groups to the intersect of the
+	// set associated to the parent team and those returned by the query.
+	// If the parent team is not group-constrained or if NotAssociatedToChannel
+	// is not set then this option is ignored.
+	FilterParentTeamPermitted bool
+}
+
+type PageOpts struct {
+	Page    int
+	PerPage int
+}
+
+func (group *Group) Patch(patch *GroupPatch) {
+	if patch.Name != nil {
+		group.Name = patch.Name
+	}
+	if patch.DisplayName != nil {
+		group.DisplayName = *patch.DisplayName
+	}
+	if patch.Description != nil {
+		group.Description = *patch.Description
+	}
+	if patch.AllowReference != nil {
+		group.AllowReference = *patch.AllowReference
+	}
+}
+
+func (group *Group) IsValidForCreate() *AppError {
+	err := group.IsValidName()
+	if err != nil {
+		return err
+	}
+
+	if l := len(group.DisplayName); l == 0 || l > GroupDisplayNameMaxLength {
+		return NewAppError("Group.IsValidForCreate", "model.group.display_name.app_error", map[string]interface{}{"GroupDisplayNameMaxLength": GroupDisplayNameMaxLength}, "", http.StatusBadRequest)
+	}
+
+	if len(group.Description) > GroupDescriptionMaxLength {
+		return NewAppError("Group.IsValidForCreate", "model.group.description.app_error", map[string]interface{}{"GroupDescriptionMaxLength": GroupDescriptionMaxLength}, "", http.StatusBadRequest)
+	}
+
+	isValidSource := false
+	for _, groupSource := range allGroupSources {
+		if group.Source == groupSource {
+			isValidSource = true
+			break
+		}
+	}
+	if !isValidSource {
+		return NewAppError("Group.IsValidForCreate", "model.group.source.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(group.RemoteId) > GroupRemoteIDMaxLength || (len(group.RemoteId) == 0 && group.requiresRemoteId()) {
+		return NewAppError("Group.IsValidForCreate", "model.group.remote_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (group *Group) requiresRemoteId() bool {
+	for _, groupSource := range groupSourcesRequiringRemoteID {
+		if groupSource == group.Source {
+			return true
+		}
+	}
+	return false
+}
+
+func (group *Group) IsValidForUpdate() *AppError {
+	if !IsValidId(group.Id) {
+		return NewAppError("Group.IsValidForUpdate", "model.group.id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if group.CreateAt == 0 {
+		return NewAppError("Group.IsValidForUpdate", "model.group.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	if group.UpdateAt == 0 {
+		return NewAppError("Group.IsValidForUpdate", "model.group.update_at.app_error", nil, "", http.StatusBadRequest)
+	}
+	if err := group.IsValidForCreate(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (group *Group) ToJson() string {
+	b, _ := json.Marshal(group)
+	return string(b)
+}
+
+var validGroupnameChars = regexp.MustCompile(`^[a-z0-9\.\-_]+$`)
+
+func (group *Group) IsValidName() *AppError {
+
+	if group.Name == nil {
+		if group.AllowReference {
+			return NewAppError("Group.IsValidName", "model.group.name.app_error", map[string]interface{}{"GroupNameMaxLength": GroupNameMaxLength}, "", http.StatusBadRequest)
+		}
+	} else {
+		if l := len(*group.Name); l == 0 || l > GroupNameMaxLength {
+			return NewAppError("Group.IsValidName", "model.group.name.invalid_length.app_error", map[string]interface{}{"GroupNameMaxLength": GroupNameMaxLength}, "", http.StatusBadRequest)
+		}
+
+		if !validGroupnameChars.MatchString(*group.Name) {
+			return NewAppError("Group.IsValidName", "model.group.name.invalid_chars.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+	return nil
+}
+
+func GroupFromJson(data io.Reader) *Group {
+	var group *Group
+	json.NewDecoder(data).Decode(&group)
+	return group
+}
+
+func GroupsFromJson(data io.Reader) []*Group {
+	var groups []*Group
+	json.NewDecoder(data).Decode(&groups)
+	return groups
+}
+
+func GroupPatchFromJson(data io.Reader) *GroupPatch {
+	var groupPatch *GroupPatch
+	json.NewDecoder(data).Decode(&groupPatch)
+	return groupPatch
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/group_member.go b/vendor/github.com/mattermost/mattermost-server/v5/model/group_member.go
new file mode 100644
index 00000000..d18d7849
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/group_member.go
@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "net/http"
+
+type GroupMember struct {
+	GroupId  string `json:"group_id"`
+	UserId   string `json:"user_id"`
+	CreateAt int64  `json:"create_at"`
+	DeleteAt int64  `json:"delete_at"`
+}
+
+func (gm *GroupMember) IsValid() *AppError {
+	if !IsValidId(gm.GroupId) {
+		return NewAppError("GroupMember.IsValid", "model.group_member.group_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if !IsValidId(gm.UserId) {
+		return NewAppError("GroupMember.IsValid", "model.group_member.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/group_syncable.go b/vendor/github.com/mattermost/mattermost-server/v5/model/group_syncable.go
new file mode 100644
index 00000000..6a4d4023
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/group_syncable.go
@@ -0,0 +1,180 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+)
+
+type GroupSyncableType string
+
+const (
+	GroupSyncableTypeTeam    GroupSyncableType = "Team"
+	GroupSyncableTypeChannel GroupSyncableType = "Channel"
+)
+
+func (gst GroupSyncableType) String() string {
+	return string(gst)
+}
+
+type GroupSyncable struct {
+	GroupId string `json:"group_id"`
+
+	// SyncableId represents the Id of the model that is being synced with the group, for example a ChannelId or
+	// TeamId.
+	SyncableId string `db:"-" json:"-"`
+
+	AutoAdd     bool              `json:"auto_add"`
+	SchemeAdmin bool              `json:"scheme_admin"`
+	CreateAt    int64             `json:"create_at"`
+	DeleteAt    int64             `json:"delete_at"`
+	UpdateAt    int64             `json:"update_at"`
+	Type        GroupSyncableType `db:"-" json:"-"`
+
+	// Values joined in from the associated team and/or channel
+	ChannelDisplayName string `db:"-" json:"-"`
+	TeamDisplayName    string `db:"-" json:"-"`
+	TeamType           string `db:"-" json:"-"`
+	ChannelType        string `db:"-" json:"-"`
+	TeamID             string `db:"-" json:"-"`
+}
+
+func (syncable *GroupSyncable) IsValid() *AppError {
+	if !IsValidId(syncable.GroupId) {
+		return NewAppError("GroupSyncable.SyncableIsValid", "model.group_syncable.group_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	if !IsValidId(syncable.SyncableId) {
+		return NewAppError("GroupSyncable.SyncableIsValid", "model.group_syncable.syncable_id.app_error", nil, "", http.StatusBadRequest)
+	}
+	return nil
+}
+
+func (syncable *GroupSyncable) UnmarshalJSON(b []byte) error {
+	var kvp map[string]interface{}
+	err := json.Unmarshal(b, &kvp)
+	if err != nil {
+		return err
+	}
+	for key, value := range kvp {
+		switch key {
+		case "team_id":
+			syncable.SyncableId = value.(string)
+			syncable.Type = GroupSyncableTypeTeam
+		case "channel_id":
+			syncable.SyncableId = value.(string)
+			syncable.Type = GroupSyncableTypeChannel
+		case "group_id":
+			syncable.GroupId = value.(string)
+		case "auto_add":
+			syncable.AutoAdd = value.(bool)
+		default:
+		}
+	}
+	return nil
+}
+
+func (syncable *GroupSyncable) MarshalJSON() ([]byte, error) {
+	type Alias GroupSyncable
+
+	switch syncable.Type {
+	case GroupSyncableTypeTeam:
+		return json.Marshal(&struct {
+			TeamID          string `json:"team_id"`
+			TeamDisplayName string `json:"team_display_name,omitempty"`
+			TeamType        string `json:"team_type,omitempty"`
+			*Alias
+		}{
+			TeamDisplayName: syncable.TeamDisplayName,
+			TeamType:        syncable.TeamType,
+			TeamID:          syncable.SyncableId,
+			Alias:           (*Alias)(syncable),
+		})
+	case GroupSyncableTypeChannel:
+		return json.Marshal(&struct {
+			ChannelID          string `json:"channel_id"`
+			ChannelDisplayName string `json:"channel_display_name,omitempty"`
+			ChannelType        string `json:"channel_type,omitempty"`
+
+			TeamID          string `json:"team_id,omitempty"`
+			TeamDisplayName string `json:"team_display_name,omitempty"`
+			TeamType        string `json:"team_type,omitempty"`
+
+			*Alias
+		}{
+			ChannelID:          syncable.SyncableId,
+			ChannelDisplayName: syncable.ChannelDisplayName,
+			ChannelType:        syncable.ChannelType,
+
+			TeamID:          syncable.TeamID,
+			TeamDisplayName: syncable.TeamDisplayName,
+			TeamType:        syncable.TeamType,
+
+			Alias: (*Alias)(syncable),
+		})
+	default:
+		return nil, &json.MarshalerError{
+			Err: fmt.Errorf("unknown syncable type: %s", syncable.Type),
+		}
+	}
+}
+
+type GroupSyncablePatch struct {
+	AutoAdd     *bool `json:"auto_add"`
+	SchemeAdmin *bool `json:"scheme_admin"`
+}
+
+func (syncable *GroupSyncable) Patch(patch *GroupSyncablePatch) {
+	if patch.AutoAdd != nil {
+		syncable.AutoAdd = *patch.AutoAdd
+	}
+	if patch.SchemeAdmin != nil {
+		syncable.SchemeAdmin = *patch.SchemeAdmin
+	}
+}
+
+type UserTeamIDPair struct {
+	UserID string
+	TeamID string
+}
+
+type UserChannelIDPair struct {
+	UserID    string
+	ChannelID string
+}
+
+func GroupSyncableFromJson(data io.Reader) *GroupSyncable {
+	groupSyncable := &GroupSyncable{}
+	bodyBytes, _ := ioutil.ReadAll(data)
+	json.Unmarshal(bodyBytes, groupSyncable)
+	return groupSyncable
+}
+
+func GroupSyncablesFromJson(data io.Reader) []*GroupSyncable {
+	groupSyncables := []*GroupSyncable{}
+	bodyBytes, _ := ioutil.ReadAll(data)
+	json.Unmarshal(bodyBytes, &groupSyncables)
+	return groupSyncables
+}
+
+func NewGroupTeam(groupID, teamID string, autoAdd bool) *GroupSyncable {
+	return &GroupSyncable{
+		GroupId:    groupID,
+		SyncableId: teamID,
+		Type:       GroupSyncableTypeTeam,
+		AutoAdd:    autoAdd,
+	}
+}
+
+func NewGroupChannel(groupID, channelID string, autoAdd bool) *GroupSyncable {
+	return &GroupSyncable{
+		GroupId:    groupID,
+		SyncableId: channelID,
+		Type:       GroupSyncableTypeChannel,
+		AutoAdd:    autoAdd,
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/guest_invite.go b/vendor/github.com/mattermost/mattermost-server/v5/model/guest_invite.go
new file mode 100644
index 00000000..3cdd4893
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/guest_invite.go
@@ -0,0 +1,53 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+type GuestsInvite struct {
+	Emails   []string `json:"emails"`
+	Channels []string `json:"channels"`
+	Message  string   `json:"message"`
+}
+
+// IsValid validates the user and returns an error if it isn't configured
+// correctly.
+func (i *GuestsInvite) IsValid() *AppError {
+	if len(i.Emails) == 0 {
+		return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.emails.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, email := range i.Emails {
+		if len(email) > USER_EMAIL_MAX_LENGTH || len(email) == 0 || !IsValidEmail(email) {
+			return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.email.app_error", nil, "email="+email, http.StatusBadRequest)
+		}
+	}
+
+	if len(i.Channels) == 0 {
+		return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.channels.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, channel := range i.Channels {
+		if len(channel) != 26 {
+			return NewAppError("GuestsInvite.IsValid", "model.guest.is_valid.channel.app_error", nil, "channel="+channel, http.StatusBadRequest)
+		}
+	}
+	return nil
+}
+
+// GuestsInviteFromJson will decode the input and return a GuestsInvite
+func GuestsInviteFromJson(data io.Reader) *GuestsInvite {
+	var i *GuestsInvite
+	json.NewDecoder(data).Decode(&i)
+	return i
+}
+
+func (i *GuestsInvite) ToJson() string {
+	b, _ := json.Marshal(i)
+	return string(b)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/incoming_webhook.go b/vendor/github.com/mattermost/mattermost-server/v5/model/incoming_webhook.go
new file mode 100644
index 00000000..78f1e4e8
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/incoming_webhook.go
@@ -0,0 +1,217 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+)
+
+const (
+	DEFAULT_WEBHOOK_USERNAME = "webhook"
+)
+
+type IncomingWebhook struct {
+	Id            string `json:"id"`
+	CreateAt      int64  `json:"create_at"`
+	UpdateAt      int64  `json:"update_at"`
+	DeleteAt      int64  `json:"delete_at"`
+	UserId        string `json:"user_id"`
+	ChannelId     string `json:"channel_id"`
+	TeamId        string `json:"team_id"`
+	DisplayName   string `json:"display_name"`
+	Description   string `json:"description"`
+	Username      string `json:"username"`
+	IconURL       string `json:"icon_url"`
+	ChannelLocked bool   `json:"channel_locked"`
+}
+
+type IncomingWebhookRequest struct {
+	Text        string             `json:"text"`
+	Username    string             `json:"username"`
+	IconURL     string             `json:"icon_url"`
+	ChannelName string             `json:"channel"`
+	Props       StringInterface    `json:"props"`
+	Attachments []*SlackAttachment `json:"attachments"`
+	Type        string             `json:"type"`
+	IconEmoji   string             `json:"icon_emoji"`
+}
+
+func (o *IncomingWebhook) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func IncomingWebhookFromJson(data io.Reader) *IncomingWebhook {
+	var o *IncomingWebhook
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func IncomingWebhookListToJson(l []*IncomingWebhook) string {
+	b, _ := json.Marshal(l)
+	return string(b)
+}
+
+func IncomingWebhookListFromJson(data io.Reader) []*IncomingWebhook {
+	var o []*IncomingWebhook
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *IncomingWebhook) IsValid() *AppError {
+
+	if !IsValidId(o.Id) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.id.app_error", nil, "", http.StatusBadRequest)
+
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 500 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Username) > 64 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.username.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.IconURL) > 1024 {
+		return NewAppError("IncomingWebhook.IsValid", "model.incoming_hook.icon_url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *IncomingWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *IncomingWebhook) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+// escapeControlCharsFromPayload escapes control chars (\n, \t) from a byte slice.
+// Context:
+// JSON strings are not supposed to contain control characters such as \n, \t,
+// ... but some incoming webhooks might still send invalid JSON and we want to
+// try to handle that. An example invalid JSON string from an incoming webhook
+// might look like this (strings for both "text" and "fallback" attributes are
+// invalid JSON strings because they contain unescaped newlines and tabs):
+//  `{
+//    "text": "this is a test
+//						 that contains a newline and tabs",
+//    "attachments": [
+//      {
+//        "fallback": "Required plain-text summary of the attachment
+//										that contains a newline and tabs",
+//        "color": "#36a64f",
+//  			...
+//        "text": "Optional text that appears within the attachment
+//								 that contains a newline and tabs",
+//  			...
+//        "thumb_url": "http://example.com/path/to/thumb.png"
+//      }
+//    ]
+//  }`
+// This function will search for `"key": "value"` pairs, and escape \n, \t
+// from the value.
+func escapeControlCharsFromPayload(by []byte) []byte {
+	// we'll search for `"text": "..."` or `"fallback": "..."`, ...
+	keys := "text|fallback|pretext|author_name|title|value"
+
+	// the regexp reads like this:
+	// (?s): this flag let . match \n (default is false)
+	// "(keys)": we search for the keys defined above
+	// \s*:\s*: followed by 0..n spaces/tabs, a colon then 0..n spaces/tabs
+	// ": a double-quote
+	// (\\"|[^"])*: any number of times the `\"` string or any char but a double-quote
+	// ": a double-quote
+	r := `(?s)"(` + keys + `)"\s*:\s*"(\\"|[^"])*"`
+	re := regexp.MustCompile(r)
+
+	// the function that will escape \n and \t on the regexp matches
+	repl := func(b []byte) []byte {
+		if bytes.Contains(b, []byte("\n")) {
+			b = bytes.Replace(b, []byte("\n"), []byte("\\n"), -1)
+		}
+		if bytes.Contains(b, []byte("\t")) {
+			b = bytes.Replace(b, []byte("\t"), []byte("\\t"), -1)
+		}
+
+		return b
+	}
+
+	return re.ReplaceAllFunc(by, repl)
+}
+
+func decodeIncomingWebhookRequest(by []byte) (*IncomingWebhookRequest, error) {
+	decoder := json.NewDecoder(bytes.NewReader(by))
+	var o IncomingWebhookRequest
+	err := decoder.Decode(&o)
+	if err == nil {
+		return &o, nil
+	} else {
+		return nil, err
+	}
+}
+
+func IncomingWebhookRequestFromJson(data io.Reader) (*IncomingWebhookRequest, *AppError) {
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(data)
+	by := buf.Bytes()
+
+	// Try to decode the JSON data. Only if it fails, try to escape control
+	// characters from the strings contained in the JSON data.
+	o, err := decodeIncomingWebhookRequest(by)
+	if err != nil {
+		o, err = decodeIncomingWebhookRequest(escapeControlCharsFromPayload(by))
+		if err != nil {
+			return nil, NewAppError("IncomingWebhookRequestFromJson", "model.incoming_hook.parse_data.app_error", nil, err.Error(), http.StatusBadRequest)
+		}
+	}
+
+	o.Attachments = StringifySlackFieldValue(o.Attachments)
+
+	return o, nil
+}
+
+func (o *IncomingWebhookRequest) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/initial_load.go b/vendor/github.com/mattermost/mattermost-server/v5/model/initial_load.go
new file mode 100644
index 00000000..9368f371
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/initial_load.go
@@ -0,0 +1,30 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type InitialLoad struct {
+	User        *User             `json:"user"`
+	TeamMembers []*TeamMember     `json:"team_members"`
+	Teams       []*Team           `json:"teams"`
+	Preferences Preferences       `json:"preferences"`
+	ClientCfg   map[string]string `json:"client_cfg"`
+	LicenseCfg  map[string]string `json:"license_cfg"`
+	NoAccounts  bool              `json:"no_accounts"`
+}
+
+func (me *InitialLoad) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func InitialLoadFromJson(data io.Reader) *InitialLoad {
+	var o *InitialLoad
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/integration_action.go b/vendor/github.com/mattermost/mattermost-server/v5/model/integration_action.go
new file mode 100644
index 00000000..3f362d64
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/integration_action.go
@@ -0,0 +1,525 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ecdsa"
+	"crypto/rand"
+	"encoding/asn1"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"math/big"
+	"net/http"
+	"strconv"
+	"strings"
+)
+
+const (
+	POST_ACTION_TYPE_BUTTON                         = "button"
+	POST_ACTION_TYPE_SELECT                         = "select"
+	INTERACTIVE_DIALOG_TRIGGER_TIMEOUT_MILLISECONDS = 3000
+)
+
+var PostActionRetainPropKeys = []string{"from_webhook", "override_username", "override_icon_url"}
+
+type DoPostActionRequest struct {
+	SelectedOption string `json:"selected_option,omitempty"`
+	Cookie         string `json:"cookie,omitempty"`
+}
+
+type PostAction struct {
+	// A unique Action ID. If not set, generated automatically.
+	Id string `json:"id,omitempty"`
+
+	// The type of the interactive element. Currently supported are
+	// "select" and "button".
+	Type string `json:"type,omitempty"`
+
+	// The text on the button, or in the select placeholder.
+	Name string `json:"name,omitempty"`
+
+	// If the action is disabled.
+	Disabled bool `json:"disabled,omitempty"`
+
+	// Style defines a text and border style.
+	// Supported values are "default", "primary", "success", "good", "warning", "danger"
+	// and any hex color.
+	Style string `json:"style,omitempty"`
+
+	// DataSource indicates the data source for the select action. If left
+	// empty, the select is populated from Options. Other supported values
+	// are "users" and "channels".
+	DataSource string `json:"data_source,omitempty"`
+
+	// Options contains the values listed in a select dropdown on the post.
+	Options []*PostActionOptions `json:"options,omitempty"`
+
+	// DefaultOption contains the option, if any, that will appear as the
+	// default selection in a select box. It has no effect when used with
+	// other types of actions.
+	DefaultOption string `json:"default_option,omitempty"`
+
+	// Defines the interaction with the backend upon a user action.
+	// Integration contains Context, which is private plugin data;
+	// Integrations are stripped from Posts when they are sent to the
+	// client, or are encrypted in a Cookie.
+	Integration *PostActionIntegration `json:"integration,omitempty"`
+	Cookie      string                 `json:"cookie,omitempty" db:"-"`
+}
+
+func (p *PostAction) Equals(input *PostAction) bool {
+	if p.Id != input.Id {
+		return false
+	}
+
+	if p.Type != input.Type {
+		return false
+	}
+
+	if p.Name != input.Name {
+		return false
+	}
+
+	if p.DataSource != input.DataSource {
+		return false
+	}
+
+	if p.DefaultOption != input.DefaultOption {
+		return false
+	}
+
+	if p.Cookie != input.Cookie {
+		return false
+	}
+
+	// Compare PostActionOptions
+	if len(p.Options) != len(input.Options) {
+		return false
+	}
+
+	for k := range p.Options {
+		if p.Options[k].Text != input.Options[k].Text {
+			return false
+		}
+
+		if p.Options[k].Value != input.Options[k].Value {
+			return false
+		}
+	}
+
+	// Compare PostActionIntegration
+	if p.Integration.URL != input.Integration.URL {
+		return false
+	}
+
+	if len(p.Integration.Context) != len(input.Integration.Context) {
+		return false
+	}
+
+	for key, value := range p.Integration.Context {
+		inputValue, ok := input.Integration.Context[key]
+
+		if !ok {
+			return false
+		}
+
+		if value != inputValue {
+			return false
+		}
+	}
+
+	return true
+}
+
+// PostActionCookie is set by the server, serialized and encrypted into
+// PostAction.Cookie. The clients should hold on to it, and include it with
+// subsequent DoPostAction requests.  This allows the server to access the
+// action metadata even when it's not available in the database, for ephemeral
+// posts.
+type PostActionCookie struct {
+	Type        string                 `json:"type,omitempty"`
+	PostId      string                 `json:"post_id,omitempty"`
+	RootPostId  string                 `json:"root_post_id,omitempty"`
+	ChannelId   string                 `json:"channel_id,omitempty"`
+	DataSource  string                 `json:"data_source,omitempty"`
+	Integration *PostActionIntegration `json:"integration,omitempty"`
+	RetainProps map[string]interface{} `json:"retain_props,omitempty"`
+	RemoveProps []string               `json:"remove_props,omitempty"`
+}
+
+type PostActionOptions struct {
+	Text  string `json:"text"`
+	Value string `json:"value"`
+}
+
+type PostActionIntegration struct {
+	URL     string                 `json:"url,omitempty"`
+	Context map[string]interface{} `json:"context,omitempty"`
+}
+
+type PostActionIntegrationRequest struct {
+	UserId      string                 `json:"user_id"`
+	UserName    string                 `json:"user_name"`
+	ChannelId   string                 `json:"channel_id"`
+	ChannelName string                 `json:"channel_name"`
+	TeamId      string                 `json:"team_id"`
+	TeamName    string                 `json:"team_domain"`
+	PostId      string                 `json:"post_id"`
+	TriggerId   string                 `json:"trigger_id"`
+	Type        string                 `json:"type"`
+	DataSource  string                 `json:"data_source"`
+	Context     map[string]interface{} `json:"context,omitempty"`
+}
+
+type PostActionIntegrationResponse struct {
+	Update           *Post  `json:"update"`
+	EphemeralText    string `json:"ephemeral_text"`
+	SkipSlackParsing bool   `json:"skip_slack_parsing"` // Set to `true` to skip the Slack-compatibility handling of Text.
+}
+
+type PostActionAPIResponse struct {
+	Status    string `json:"status"` // needed to maintain backwards compatibility
+	TriggerId string `json:"trigger_id"`
+}
+
+type Dialog struct {
+	CallbackId       string          `json:"callback_id"`
+	Title            string          `json:"title"`
+	IntroductionText string          `json:"introduction_text"`
+	IconURL          string          `json:"icon_url"`
+	Elements         []DialogElement `json:"elements"`
+	SubmitLabel      string          `json:"submit_label"`
+	NotifyOnCancel   bool            `json:"notify_on_cancel"`
+	State            string          `json:"state"`
+}
+
+type DialogElement struct {
+	DisplayName string               `json:"display_name"`
+	Name        string               `json:"name"`
+	Type        string               `json:"type"`
+	SubType     string               `json:"subtype"`
+	Default     string               `json:"default"`
+	Placeholder string               `json:"placeholder"`
+	HelpText    string               `json:"help_text"`
+	Optional    bool                 `json:"optional"`
+	MinLength   int                  `json:"min_length"`
+	MaxLength   int                  `json:"max_length"`
+	DataSource  string               `json:"data_source"`
+	Options     []*PostActionOptions `json:"options"`
+}
+
+type OpenDialogRequest struct {
+	TriggerId string `json:"trigger_id"`
+	URL       string `json:"url"`
+	Dialog    Dialog `json:"dialog"`
+}
+
+type SubmitDialogRequest struct {
+	Type       string                 `json:"type"`
+	URL        string                 `json:"url,omitempty"`
+	CallbackId string                 `json:"callback_id"`
+	State      string                 `json:"state"`
+	UserId     string                 `json:"user_id"`
+	ChannelId  string                 `json:"channel_id"`
+	TeamId     string                 `json:"team_id"`
+	Submission map[string]interface{} `json:"submission"`
+	Cancelled  bool                   `json:"cancelled"`
+}
+
+type SubmitDialogResponse struct {
+	Error  string            `json:"error,omitempty"`
+	Errors map[string]string `json:"errors,omitempty"`
+}
+
+func GenerateTriggerId(userId string, s crypto.Signer) (string, string, *AppError) {
+	clientTriggerId := NewId()
+	triggerData := strings.Join([]string{clientTriggerId, userId, strconv.FormatInt(GetMillis(), 10)}, ":") + ":"
+
+	h := crypto.SHA256
+	sum := h.New()
+	sum.Write([]byte(triggerData))
+	signature, err := s.Sign(rand.Reader, sum.Sum(nil), h)
+	if err != nil {
+		return "", "", NewAppError("GenerateTriggerId", "interactive_message.generate_trigger_id.signing_failed", nil, err.Error(), http.StatusInternalServerError)
+	}
+
+	base64Sig := base64.StdEncoding.EncodeToString(signature)
+
+	triggerId := base64.StdEncoding.EncodeToString([]byte(triggerData + base64Sig))
+	return clientTriggerId, triggerId, nil
+}
+
+func (r *PostActionIntegrationRequest) GenerateTriggerId(s crypto.Signer) (string, string, *AppError) {
+	clientTriggerId, triggerId, err := GenerateTriggerId(r.UserId, s)
+	if err != nil {
+		return "", "", err
+	}
+
+	r.TriggerId = triggerId
+	return clientTriggerId, triggerId, nil
+}
+
+func DecodeAndVerifyTriggerId(triggerId string, s *ecdsa.PrivateKey) (string, string, *AppError) {
+	triggerIdBytes, err := base64.StdEncoding.DecodeString(triggerId)
+	if err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.base64_decode_failed", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	split := strings.Split(string(triggerIdBytes), ":")
+	if len(split) != 4 {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.missing_data", nil, "", http.StatusBadRequest)
+	}
+
+	clientTriggerId := split[0]
+	userId := split[1]
+	timestampStr := split[2]
+	timestamp, _ := strconv.ParseInt(timestampStr, 10, 64)
+
+	now := GetMillis()
+	if now-timestamp > INTERACTIVE_DIALOG_TRIGGER_TIMEOUT_MILLISECONDS {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.expired", map[string]interface{}{"Seconds": INTERACTIVE_DIALOG_TRIGGER_TIMEOUT_MILLISECONDS / 1000}, "", http.StatusBadRequest)
+	}
+
+	signature, err := base64.StdEncoding.DecodeString(split[3])
+	if err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.base64_decode_failed_signature", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	var esig struct {
+		R, S *big.Int
+	}
+
+	if _, err := asn1.Unmarshal(signature, &esig); err != nil {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.signature_decode_failed", nil, err.Error(), http.StatusBadRequest)
+	}
+
+	triggerData := strings.Join([]string{clientTriggerId, userId, timestampStr}, ":") + ":"
+
+	h := crypto.SHA256
+	sum := h.New()
+	sum.Write([]byte(triggerData))
+
+	if !ecdsa.Verify(&s.PublicKey, sum.Sum(nil), esig.R, esig.S) {
+		return "", "", NewAppError("DecodeAndVerifyTriggerId", "interactive_message.decode_trigger_id.verify_signature_failed", nil, "", http.StatusBadRequest)
+	}
+
+	return clientTriggerId, userId, nil
+}
+
+func (r *OpenDialogRequest) DecodeAndVerifyTriggerId(s *ecdsa.PrivateKey) (string, string, *AppError) {
+	return DecodeAndVerifyTriggerId(r.TriggerId, s)
+}
+
+func (r *PostActionIntegrationRequest) ToJson() []byte {
+	b, _ := json.Marshal(r)
+	return b
+}
+
+func PostActionIntegrationRequestFromJson(data io.Reader) *PostActionIntegrationRequest {
+	var o *PostActionIntegrationRequest
+	err := json.NewDecoder(data).Decode(&o)
+	if err != nil {
+		return nil
+	}
+	return o
+}
+
+func (r *PostActionIntegrationResponse) ToJson() []byte {
+	b, _ := json.Marshal(r)
+	return b
+}
+
+func PostActionIntegrationResponseFromJson(data io.Reader) *PostActionIntegrationResponse {
+	var o *PostActionIntegrationResponse
+	err := json.NewDecoder(data).Decode(&o)
+	if err != nil {
+		return nil
+	}
+	return o
+}
+
+func SubmitDialogRequestFromJson(data io.Reader) *SubmitDialogRequest {
+	var o *SubmitDialogRequest
+	err := json.NewDecoder(data).Decode(&o)
+	if err != nil {
+		return nil
+	}
+	return o
+}
+
+func (r *SubmitDialogRequest) ToJson() []byte {
+	b, _ := json.Marshal(r)
+	return b
+}
+
+func SubmitDialogResponseFromJson(data io.Reader) *SubmitDialogResponse {
+	var o *SubmitDialogResponse
+	err := json.NewDecoder(data).Decode(&o)
+	if err != nil {
+		return nil
+	}
+	return o
+}
+
+func (r *SubmitDialogResponse) ToJson() []byte {
+	b, _ := json.Marshal(r)
+	return b
+}
+
+func (o *Post) StripActionIntegrations() {
+	attachments := o.Attachments()
+	if o.GetProp("attachments") != nil {
+		o.AddProp("attachments", attachments)
+	}
+	for _, attachment := range attachments {
+		for _, action := range attachment.Actions {
+			action.Integration = nil
+		}
+	}
+}
+
+func (o *Post) GetAction(id string) *PostAction {
+	for _, attachment := range o.Attachments() {
+		for _, action := range attachment.Actions {
+			if action.Id == id {
+				return action
+			}
+		}
+	}
+	return nil
+}
+
+func (o *Post) GenerateActionIds() {
+	if o.GetProp("attachments") != nil {
+		o.AddProp("attachments", o.Attachments())
+	}
+	if attachments, ok := o.GetProp("attachments").([]*SlackAttachment); ok {
+		for _, attachment := range attachments {
+			for _, action := range attachment.Actions {
+				if action.Id == "" {
+					action.Id = NewId()
+				}
+			}
+		}
+	}
+}
+
+func AddPostActionCookies(o *Post, secret []byte) *Post {
+	p := o.Clone()
+
+	// retainedProps carry over their value from the old post, including no value
+	retainProps := map[string]interface{}{}
+	removeProps := []string{}
+	for _, key := range PostActionRetainPropKeys {
+		value, ok := p.GetProps()[key]
+		if ok {
+			retainProps[key] = value
+		} else {
+			removeProps = append(removeProps, key)
+		}
+	}
+
+	attachments := p.Attachments()
+	for _, attachment := range attachments {
+		for _, action := range attachment.Actions {
+			c := &PostActionCookie{
+				Type:        action.Type,
+				ChannelId:   p.ChannelId,
+				DataSource:  action.DataSource,
+				Integration: action.Integration,
+				RetainProps: retainProps,
+				RemoveProps: removeProps,
+			}
+
+			c.PostId = p.Id
+			if p.RootId == "" {
+				c.RootPostId = p.Id
+			} else {
+				c.RootPostId = p.RootId
+			}
+
+			b, _ := json.Marshal(c)
+			action.Cookie, _ = encryptPostActionCookie(string(b), secret)
+		}
+	}
+
+	return p
+}
+
+func encryptPostActionCookie(plain string, secret []byte) (string, error) {
+	if len(secret) == 0 {
+		return plain, nil
+	}
+
+	block, err := aes.NewCipher(secret)
+	if err != nil {
+		return "", err
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	nonce := make([]byte, aesgcm.NonceSize())
+	_, err = io.ReadFull(rand.Reader, nonce)
+	if err != nil {
+		return "", err
+	}
+
+	sealed := aesgcm.Seal(nil, nonce, []byte(plain), nil)
+
+	combined := append(nonce, sealed...)
+	encoded := make([]byte, base64.StdEncoding.EncodedLen(len(combined)))
+	base64.StdEncoding.Encode(encoded, combined)
+
+	return string(encoded), nil
+}
+
+func DecryptPostActionCookie(encoded string, secret []byte) (string, error) {
+	if len(secret) == 0 {
+		return encoded, nil
+	}
+
+	block, err := aes.NewCipher(secret)
+	if err != nil {
+		return "", err
+	}
+
+	aesgcm, err := cipher.NewGCM(block)
+	if err != nil {
+		return "", err
+	}
+
+	decoded := make([]byte, base64.StdEncoding.DecodedLen(len(encoded)))
+	n, err := base64.StdEncoding.Decode(decoded, []byte(encoded))
+	if err != nil {
+		return "", err
+	}
+	decoded = decoded[:n]
+
+	nonceSize := aesgcm.NonceSize()
+	if len(decoded) < nonceSize {
+		return "", fmt.Errorf("cookie too short")
+	}
+
+	nonce, decoded := decoded[:nonceSize], decoded[nonceSize:]
+	plain, err := aesgcm.Open(nil, nonce, decoded, nil)
+	if err != nil {
+		return "", err
+	}
+
+	return string(plain), nil
+}
+
+func DoPostActionRequestFromJson(data io.Reader) *DoPostActionRequest {
+	var o *DoPostActionRequest
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/job.go b/vendor/github.com/mattermost/mattermost-server/v5/model/job.go
new file mode 100644
index 00000000..e6e1d689
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/job.go
@@ -0,0 +1,125 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"time"
+)
+
+const (
+	JOB_TYPE_DATA_RETENTION                 = "data_retention"
+	JOB_TYPE_MESSAGE_EXPORT                 = "message_export"
+	JOB_TYPE_ELASTICSEARCH_POST_INDEXING    = "elasticsearch_post_indexing"
+	JOB_TYPE_ELASTICSEARCH_POST_AGGREGATION = "elasticsearch_post_aggregation"
+	JOB_TYPE_BLEVE_POST_INDEXING            = "bleve_post_indexing"
+	JOB_TYPE_LDAP_SYNC                      = "ldap_sync"
+	JOB_TYPE_MIGRATIONS                     = "migrations"
+	JOB_TYPE_PLUGINS                        = "plugins"
+
+	JOB_STATUS_PENDING          = "pending"
+	JOB_STATUS_IN_PROGRESS      = "in_progress"
+	JOB_STATUS_SUCCESS          = "success"
+	JOB_STATUS_ERROR            = "error"
+	JOB_STATUS_CANCEL_REQUESTED = "cancel_requested"
+	JOB_STATUS_CANCELED         = "canceled"
+	JOB_STATUS_WARNING          = "warning"
+)
+
+type Job struct {
+	Id             string            `json:"id"`
+	Type           string            `json:"type"`
+	Priority       int64             `json:"priority"`
+	CreateAt       int64             `json:"create_at"`
+	StartAt        int64             `json:"start_at"`
+	LastActivityAt int64             `json:"last_activity_at"`
+	Status         string            `json:"status"`
+	Progress       int64             `json:"progress"`
+	Data           map[string]string `json:"data"`
+}
+
+func (j *Job) IsValid() *AppError {
+	if !IsValidId(j.Id) {
+		return NewAppError("Job.IsValid", "model.job.is_valid.id.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	if j.CreateAt == 0 {
+		return NewAppError("Job.IsValid", "model.job.is_valid.create_at.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	switch j.Type {
+	case JOB_TYPE_DATA_RETENTION:
+	case JOB_TYPE_ELASTICSEARCH_POST_INDEXING:
+	case JOB_TYPE_ELASTICSEARCH_POST_AGGREGATION:
+	case JOB_TYPE_BLEVE_POST_INDEXING:
+	case JOB_TYPE_LDAP_SYNC:
+	case JOB_TYPE_MESSAGE_EXPORT:
+	case JOB_TYPE_MIGRATIONS:
+	case JOB_TYPE_PLUGINS:
+	default:
+		return NewAppError("Job.IsValid", "model.job.is_valid.type.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	switch j.Status {
+	case JOB_STATUS_PENDING:
+	case JOB_STATUS_IN_PROGRESS:
+	case JOB_STATUS_SUCCESS:
+	case JOB_STATUS_ERROR:
+	case JOB_STATUS_CANCEL_REQUESTED:
+	case JOB_STATUS_CANCELED:
+	default:
+		return NewAppError("Job.IsValid", "model.job.is_valid.status.app_error", nil, "id="+j.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (j *Job) ToJson() string {
+	b, _ := json.Marshal(j)
+	return string(b)
+}
+
+func JobFromJson(data io.Reader) *Job {
+	var job Job
+	if err := json.NewDecoder(data).Decode(&job); err == nil {
+		return &job
+	} else {
+		return nil
+	}
+}
+
+func JobsToJson(jobs []*Job) string {
+	b, _ := json.Marshal(jobs)
+	return string(b)
+}
+
+func JobsFromJson(data io.Reader) []*Job {
+	var jobs []*Job
+	if err := json.NewDecoder(data).Decode(&jobs); err == nil {
+		return jobs
+	} else {
+		return nil
+	}
+}
+
+func (j *Job) DataToJson() string {
+	b, _ := json.Marshal(j.Data)
+	return string(b)
+}
+
+type Worker interface {
+	Run()
+	Stop()
+	JobChannel() chan<- Job
+}
+
+type Scheduler interface {
+	Name() string
+	JobType() string
+	Enabled(cfg *Config) bool
+	NextScheduleTime(cfg *Config, now time.Time, pendingJobs bool, lastSuccessfulJob *Job) *time.Time
+	ScheduleJob(cfg *Config, pendingJobs bool, lastSuccessfulJob *Job) (*Job, *AppError)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/ldap.go b/vendor/github.com/mattermost/mattermost-server/v5/model/ldap.go
new file mode 100644
index 00000000..d5f98f1a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/ldap.go
@@ -0,0 +1,8 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	USER_AUTH_SERVICE_LDAP = "ldap"
+)
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/license.go b/vendor/github.com/mattermost/mattermost-server/v5/model/license.go
new file mode 100644
index 00000000..0504edc0
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/license.go
@@ -0,0 +1,278 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+const (
+	EXPIRED_LICENSE_ERROR = "api.license.add_license.expired.app_error"
+	INVALID_LICENSE_ERROR = "api.license.add_license.invalid.app_error"
+	LICENSE_GRACE_PERIOD  = 1000 * 60 * 60 * 24 * 10 //10 days
+	LICENSE_RENEWAL_LINK  = "https://licensing.mattermost.com/renew"
+)
+
+type LicenseRecord struct {
+	Id       string `json:"id"`
+	CreateAt int64  `json:"create_at"`
+	Bytes    string `json:"-"`
+}
+
+type License struct {
+	Id           string    `json:"id"`
+	IssuedAt     int64     `json:"issued_at"`
+	StartsAt     int64     `json:"starts_at"`
+	ExpiresAt    int64     `json:"expires_at"`
+	Customer     *Customer `json:"customer"`
+	Features     *Features `json:"features"`
+	SkuName      string    `json:"sku_name"`
+	SkuShortName string    `json:"sku_short_name"`
+}
+
+type Customer struct {
+	Id      string `json:"id"`
+	Name    string `json:"name"`
+	Email   string `json:"email"`
+	Company string `json:"company"`
+}
+
+type TrialLicenseRequest struct {
+	ServerID              string `json:"server_id"`
+	Email                 string `json:"email"`
+	Name                  string `json:"name"`
+	SiteURL               string `json:"site_url"`
+	SiteName              string `json:"site_name"`
+	Users                 int    `json:"users"`
+	TermsAccepted         bool   `json:"terms_accepted"`
+	ReceiveEmailsAccepted bool   `json:"receive_emails_accepted"`
+}
+
+func (tlr *TrialLicenseRequest) ToJson() string {
+	b, _ := json.Marshal(tlr)
+	return string(b)
+}
+
+type Features struct {
+	Users                     *int  `json:"users"`
+	LDAP                      *bool `json:"ldap"`
+	LDAPGroups                *bool `json:"ldap_groups"`
+	MFA                       *bool `json:"mfa"`
+	GoogleOAuth               *bool `json:"google_oauth"`
+	Office365OAuth            *bool `json:"office365_oauth"`
+	Compliance                *bool `json:"compliance"`
+	Cluster                   *bool `json:"cluster"`
+	Metrics                   *bool `json:"metrics"`
+	MHPNS                     *bool `json:"mhpns"`
+	SAML                      *bool `json:"saml"`
+	Elasticsearch             *bool `json:"elastic_search"`
+	Announcement              *bool `json:"announcement"`
+	ThemeManagement           *bool `json:"theme_management"`
+	EmailNotificationContents *bool `json:"email_notification_contents"`
+	DataRetention             *bool `json:"data_retention"`
+	MessageExport             *bool `json:"message_export"`
+	CustomPermissionsSchemes  *bool `json:"custom_permissions_schemes"`
+	CustomTermsOfService      *bool `json:"custom_terms_of_service"`
+	GuestAccounts             *bool `json:"guest_accounts"`
+	GuestAccountsPermissions  *bool `json:"guest_accounts_permissions"`
+	IDLoadedPushNotifications *bool `json:"id_loaded"`
+	LockTeammateNameDisplay   *bool `json:"lock_teammate_name_display"`
+	EnterprisePlugins         *bool `json:"enterprise_plugins"`
+
+	// after we enabled more features we'll need to control them with this
+	FutureFeatures *bool `json:"future_features"`
+}
+
+func (f *Features) ToMap() map[string]interface{} {
+	return map[string]interface{}{
+		"ldap":                        *f.LDAP,
+		"ldap_groups":                 *f.LDAPGroups,
+		"mfa":                         *f.MFA,
+		"google":                      *f.GoogleOAuth,
+		"office365":                   *f.Office365OAuth,
+		"compliance":                  *f.Compliance,
+		"cluster":                     *f.Cluster,
+		"metrics":                     *f.Metrics,
+		"mhpns":                       *f.MHPNS,
+		"saml":                        *f.SAML,
+		"elastic_search":              *f.Elasticsearch,
+		"email_notification_contents": *f.EmailNotificationContents,
+		"data_retention":              *f.DataRetention,
+		"message_export":              *f.MessageExport,
+		"custom_permissions_schemes":  *f.CustomPermissionsSchemes,
+		"guest_accounts":              *f.GuestAccounts,
+		"guest_accounts_permissions":  *f.GuestAccountsPermissions,
+		"id_loaded":                   *f.IDLoadedPushNotifications,
+		"lock_teammate_name_display":  *f.LockTeammateNameDisplay,
+		"enterprise_plugins":          *f.EnterprisePlugins,
+		"future":                      *f.FutureFeatures,
+	}
+}
+
+func (f *Features) SetDefaults() {
+	if f.FutureFeatures == nil {
+		f.FutureFeatures = NewBool(true)
+	}
+
+	if f.Users == nil {
+		f.Users = NewInt(0)
+	}
+
+	if f.LDAP == nil {
+		f.LDAP = NewBool(*f.FutureFeatures)
+	}
+
+	if f.LDAPGroups == nil {
+		f.LDAPGroups = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MFA == nil {
+		f.MFA = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GoogleOAuth == nil {
+		f.GoogleOAuth = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Office365OAuth == nil {
+		f.Office365OAuth = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Compliance == nil {
+		f.Compliance = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Cluster == nil {
+		f.Cluster = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Metrics == nil {
+		f.Metrics = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MHPNS == nil {
+		f.MHPNS = NewBool(*f.FutureFeatures)
+	}
+
+	if f.SAML == nil {
+		f.SAML = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Elasticsearch == nil {
+		f.Elasticsearch = NewBool(*f.FutureFeatures)
+	}
+
+	if f.Announcement == nil {
+		f.Announcement = NewBool(true)
+	}
+
+	if f.ThemeManagement == nil {
+		f.ThemeManagement = NewBool(true)
+	}
+
+	if f.EmailNotificationContents == nil {
+		f.EmailNotificationContents = NewBool(*f.FutureFeatures)
+	}
+
+	if f.DataRetention == nil {
+		f.DataRetention = NewBool(*f.FutureFeatures)
+	}
+
+	if f.MessageExport == nil {
+		f.MessageExport = NewBool(*f.FutureFeatures)
+	}
+
+	if f.CustomPermissionsSchemes == nil {
+		f.CustomPermissionsSchemes = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GuestAccounts == nil {
+		f.GuestAccounts = NewBool(*f.FutureFeatures)
+	}
+
+	if f.GuestAccountsPermissions == nil {
+		f.GuestAccountsPermissions = NewBool(*f.FutureFeatures)
+	}
+
+	if f.CustomTermsOfService == nil {
+		f.CustomTermsOfService = NewBool(*f.FutureFeatures)
+	}
+
+	if f.IDLoadedPushNotifications == nil {
+		f.IDLoadedPushNotifications = NewBool(*f.FutureFeatures)
+	}
+
+	if f.LockTeammateNameDisplay == nil {
+		f.LockTeammateNameDisplay = NewBool(*f.FutureFeatures)
+	}
+
+	if f.EnterprisePlugins == nil {
+		f.EnterprisePlugins = NewBool(*f.FutureFeatures)
+	}
+}
+
+func (l *License) IsExpired() bool {
+	return l.ExpiresAt < GetMillis()
+}
+
+func (l *License) IsPastGracePeriod() bool {
+	timeDiff := GetMillis() - l.ExpiresAt
+	return timeDiff > LICENSE_GRACE_PERIOD
+}
+
+func (l *License) IsStarted() bool {
+	return l.StartsAt < GetMillis()
+}
+
+func (l *License) ToJson() string {
+	b, _ := json.Marshal(l)
+	return string(b)
+}
+
+// NewTestLicense returns a license that expires in the future and has the given features.
+func NewTestLicense(features ...string) *License {
+	ret := &License{
+		ExpiresAt: GetMillis() + 90*24*60*60*1000,
+		Customer:  &Customer{},
+		Features:  &Features{},
+	}
+	ret.Features.SetDefaults()
+
+	featureMap := map[string]bool{}
+	for _, feature := range features {
+		featureMap[feature] = true
+	}
+	featureJson, _ := json.Marshal(featureMap)
+	json.Unmarshal(featureJson, &ret.Features)
+
+	return ret
+}
+
+func LicenseFromJson(data io.Reader) *License {
+	var o *License
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (lr *LicenseRecord) IsValid() *AppError {
+	if !IsValidId(lr.Id) {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if lr.CreateAt == 0 {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(lr.Bytes) == 0 || len(lr.Bytes) > 10000 {
+		return NewAppError("LicenseRecord.IsValid", "model.license_record.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (lr *LicenseRecord) PreSave() {
+	lr.CreateAt = GetMillis()
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/link_metadata.go b/vendor/github.com/mattermost/mattermost-server/v5/model/link_metadata.go
new file mode 100644
index 00000000..d20be2cb
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/link_metadata.go
@@ -0,0 +1,193 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"hash/fnv"
+	"net/http"
+	"time"
+	"unicode/utf8"
+
+	"github.com/dyatlov/go-opengraph/opengraph"
+)
+
+const (
+	LINK_METADATA_TYPE_IMAGE     LinkMetadataType = "image"
+	LINK_METADATA_TYPE_NONE      LinkMetadataType = "none"
+	LINK_METADATA_TYPE_OPENGRAPH LinkMetadataType = "opengraph"
+	MAX_IMAGES                   int              = 5
+)
+
+type LinkMetadataType string
+
+// LinkMetadata stores arbitrary data about a link posted in a message. This includes dimensions of linked images
+// and OpenGraph metadata.
+type LinkMetadata struct {
+	// Hash is a value computed from the URL and Timestamp for use as a primary key in the database.
+	Hash int64
+
+	URL       string
+	Timestamp int64
+	Type      LinkMetadataType
+
+	// Data is the actual metadata for the link. It should contain data of one of the following types:
+	// - *model.PostImage if the linked content is an image
+	// - *opengraph.OpenGraph if the linked content is an HTML document
+	// - nil if the linked content has no metadata
+	Data interface{}
+}
+
+// truncateText ensure string is 300 chars, truncate and add ellipsis
+// if it was bigger.
+func truncateText(original string) string {
+	if utf8.RuneCountInString(original) > 300 {
+		return fmt.Sprintf("%.300s[...]", original)
+	}
+	return original
+}
+
+func firstNImages(images []*opengraph.Image, maxImages int) []*opengraph.Image {
+	if maxImages < 0 { // dont break stuff, if it's weird, go for sane defaults
+		maxImages = MAX_IMAGES
+	}
+	numImages := len(images)
+	if numImages > maxImages {
+		return images[0:maxImages]
+	}
+	return images
+}
+
+// TruncateOpenGraph ensure OpenGraph metadata doesn't grow too big by
+// shortening strings, trimming fields and reducing the number of
+// images.
+func TruncateOpenGraph(ogdata *opengraph.OpenGraph) *opengraph.OpenGraph {
+	if ogdata != nil {
+		empty := &opengraph.OpenGraph{}
+		ogdata.Title = truncateText(ogdata.Title)
+		ogdata.Description = truncateText(ogdata.Description)
+		ogdata.SiteName = truncateText(ogdata.SiteName)
+		ogdata.Article = empty.Article
+		ogdata.Book = empty.Book
+		ogdata.Profile = empty.Profile
+		ogdata.Determiner = empty.Determiner
+		ogdata.Locale = empty.Locale
+		ogdata.LocalesAlternate = empty.LocalesAlternate
+		ogdata.Images = firstNImages(ogdata.Images, MAX_IMAGES)
+		ogdata.Audios = empty.Audios
+		ogdata.Videos = empty.Videos
+	}
+	return ogdata
+}
+
+func (o *LinkMetadata) PreSave() {
+	o.Hash = GenerateLinkMetadataHash(o.URL, o.Timestamp)
+}
+
+func (o *LinkMetadata) IsValid() *AppError {
+	if o.URL == "" {
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.Timestamp == 0 || !isRoundedToNearestHour(o.Timestamp) {
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.timestamp.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	switch o.Type {
+	case LINK_METADATA_TYPE_IMAGE:
+		if o.Data == nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if _, ok := o.Data.(*PostImage); !ok {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	case LINK_METADATA_TYPE_NONE:
+		if o.Data != nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	case LINK_METADATA_TYPE_OPENGRAPH:
+		if o.Data == nil {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data.app_error", nil, "", http.StatusBadRequest)
+		}
+
+		if _, ok := o.Data.(*opengraph.OpenGraph); !ok {
+			return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.data_type.app_error", nil, "", http.StatusBadRequest)
+		}
+	default:
+		return NewAppError("LinkMetadata.IsValid", "model.link_metadata.is_valid.type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+// DeserializeDataToConcreteType converts o.Data from JSON into properly structured data. This is intended to be used
+// after getting a LinkMetadata object that has been stored in the database.
+func (o *LinkMetadata) DeserializeDataToConcreteType() error {
+	var b []byte
+	switch t := o.Data.(type) {
+	case []byte:
+		// MySQL uses a byte slice for JSON
+		b = t
+	case string:
+		// Postgres uses a string for JSON
+		b = []byte(t)
+	}
+
+	if b == nil {
+		// Data doesn't need to be fixed
+		return nil
+	}
+
+	var data interface{}
+	var err error
+
+	switch o.Type {
+	case LINK_METADATA_TYPE_IMAGE:
+		image := &PostImage{}
+
+		err = json.Unmarshal(b, &image)
+
+		data = image
+	case LINK_METADATA_TYPE_OPENGRAPH:
+		og := &opengraph.OpenGraph{}
+
+		json.Unmarshal(b, &og)
+
+		data = og
+	}
+
+	if err != nil {
+		return err
+	}
+
+	o.Data = data
+
+	return nil
+}
+
+// FloorToNearestHour takes a timestamp (in milliseconds) and returns it rounded to the previous hour in UTC.
+func FloorToNearestHour(ms int64) int64 {
+	t := time.Unix(0, ms*int64(1000*1000))
+
+	return time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), 0, 0, 0, t.Location()).UnixNano() / int64(time.Millisecond)
+}
+
+// isRoundedToNearestHour returns true if the given timestamp (in milliseconds) has been rounded to the nearest hour in UTC.
+func isRoundedToNearestHour(ms int64) bool {
+	return FloorToNearestHour(ms) == ms
+}
+
+// GenerateLinkMetadataHash generates a unique hash for a given URL and timestamp for use as a database key.
+func GenerateLinkMetadataHash(url string, timestamp int64) int64 {
+	hash := fnv.New32()
+
+	// Note that we ignore write errors here because the Hash interface says that its Write will never return an error
+	binary.Write(hash, binary.LittleEndian, timestamp)
+	hash.Write([]byte(url))
+
+	return int64(hash.Sum32())
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/manifest.go b/vendor/github.com/mattermost/mattermost-server/v5/model/manifest.go
new file mode 100644
index 00000000..7c09830a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/manifest.go
@@ -0,0 +1,486 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/blang/semver"
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v2"
+)
+
+type PluginOption struct {
+	// The display name for the option.
+	DisplayName string `json:"display_name" yaml:"display_name"`
+
+	// The string value for the option.
+	Value string `json:"value" yaml:"value"`
+}
+
+type PluginSettingType int
+
+const (
+	Bool PluginSettingType = iota
+	Dropdown
+	Generated
+	Radio
+	Text
+	LongText
+	Number
+	Username
+	Custom
+)
+
+type PluginSetting struct {
+	// The key that the setting will be assigned to in the configuration file.
+	Key string `json:"key" yaml:"key"`
+
+	// The display name for the setting.
+	DisplayName string `json:"display_name" yaml:"display_name"`
+
+	// The type of the setting.
+	//
+	// "bool" will result in a boolean true or false setting.
+	//
+	// "dropdown" will result in a string setting that allows the user to select from a list of
+	// pre-defined options.
+	//
+	// "generated" will result in a string setting that is set to a random, cryptographically secure
+	// string.
+	//
+	// "radio" will result in a string setting that allows the user to select from a short selection
+	// of pre-defined options.
+	//
+	// "text" will result in a string setting that can be typed in manually.
+	//
+	// "longtext" will result in a multi line string that can be typed in manually.
+	//
+	// "number" will result in in integer setting that can be typed in manually.
+	//
+	// "username" will result in a text setting that will autocomplete to a username.
+	//
+	// "custom" will result in a custom defined setting and will load the custom component registered for the Web App System Console.
+	Type string `json:"type" yaml:"type"`
+
+	// The help text to display to the user. Supports Markdown formatting.
+	HelpText string `json:"help_text" yaml:"help_text"`
+
+	// The help text to display alongside the "Regenerate" button for settings of the "generated" type.
+	RegenerateHelpText string `json:"regenerate_help_text,omitempty" yaml:"regenerate_help_text,omitempty"`
+
+	// The placeholder to display for "generated", "text", "longtext", "number" and "username" types when blank.
+	Placeholder string `json:"placeholder" yaml:"placeholder"`
+
+	// The default value of the setting.
+	Default interface{} `json:"default" yaml:"default"`
+
+	// For "radio" or "dropdown" settings, this is the list of pre-defined options that the user can choose
+	// from.
+	Options []*PluginOption `json:"options,omitempty" yaml:"options,omitempty"`
+}
+
+type PluginSettingsSchema struct {
+	// Optional text to display above the settings. Supports Markdown formatting.
+	Header string `json:"header" yaml:"header"`
+
+	// Optional text to display below the settings. Supports Markdown formatting.
+	Footer string `json:"footer" yaml:"footer"`
+
+	// A list of setting definitions.
+	Settings []*PluginSetting `json:"settings" yaml:"settings"`
+}
+
+// The plugin manifest defines the metadata required to load and present your plugin. The manifest
+// file should be named plugin.json or plugin.yaml and placed in the top of your
+// plugin bundle.
+//
+// Example plugin.json:
+//
+//
+//    {
+//      "id": "com.mycompany.myplugin",
+//      "name": "My Plugin",
+//      "description": "This is my plugin",
+//      "homepage_url": "https://example.com",
+//      "support_url": "https://example.com/support",
+//      "release_notes_url": "https://example.com/releases/v0.0.1",
+//      "icon_path": "assets/logo.svg",
+//      "version": "0.1.0",
+//      "min_server_version": "5.6.0",
+//      "server": {
+//        "executables": {
+//          "linux-amd64": "server/dist/plugin-linux-amd64",
+//          "darwin-amd64": "server/dist/plugin-darwin-amd64",
+//          "windows-amd64": "server/dist/plugin-windows-amd64.exe"
+//        }
+//      },
+//      "webapp": {
+//          "bundle_path": "webapp/dist/main.js"
+//      },
+//      "settings_schema": {
+//        "header": "Some header text",
+//        "footer": "Some footer text",
+//        "settings": [{
+//          "key": "someKey",
+//          "display_name": "Enable Extra Feature",
+//          "type": "bool",
+//          "help_text": "When true, an extra feature will be enabled!",
+//          "default": "false"
+//        }]
+//      },
+//      "props": {
+//        "someKey": "someData"
+//      }
+//    }
+type Manifest struct {
+	// The id is a globally unique identifier that represents your plugin. Ids must be at least
+	// 3 characters, at most 190 characters and must match ^[a-zA-Z0-9-_\.]+$.
+	// Reverse-DNS notation using a name you control is a good option, e.g. "com.mycompany.myplugin".
+	Id string `json:"id" yaml:"id"`
+
+	// The name to be displayed for the plugin.
+	Name string `json:"name,omitempty" yaml:"name,omitempty"`
+
+	// A description of what your plugin is and does.
+	Description string `json:"description,omitempty" yaml:"description,omitempty"`
+
+	// HomepageURL is an optional link to learn more about the plugin.
+	HomepageURL string `json:"homepage_url,omitempty" yaml:"homepage_url,omitempty"`
+
+	// SupportURL is an optional URL where plugin issues can be reported.
+	SupportURL string `json:"support_url,omitempty" yaml:"support_url,omitempty"`
+
+	// ReleaseNotesURL is an optional URL where a changelog for the release can be found.
+	ReleaseNotesURL string `json:"release_notes_url,omitempty" yaml:"release_notes_url,omitempty"`
+
+	// A relative file path in the bundle that points to the plugins svg icon for use with the Plugin Marketplace.
+	// This should be relative to the root of your bundle and the location of the manifest file. Bitmap image formats are not supported.
+	IconPath string `json:"icon_path,omitempty" yaml:"icon_path,omitempty"`
+
+	// A version number for your plugin. Semantic versioning is recommended: http://semver.org
+	Version string `json:"version" yaml:"version"`
+
+	// The minimum Mattermost server version required for your plugin.
+	//
+	// Minimum server version: 5.6
+	MinServerVersion string `json:"min_server_version,omitempty" yaml:"min_server_version,omitempty"`
+
+	// Server defines the server-side portion of your plugin.
+	Server *ManifestServer `json:"server,omitempty" yaml:"server,omitempty"`
+
+	// Backend is a deprecated flag for defining the server-side portion of your plugin. Going forward, use Server instead.
+	Backend *ManifestServer `json:"backend,omitempty" yaml:"backend,omitempty"`
+
+	// If your plugin extends the web app, you'll need to define webapp.
+	Webapp *ManifestWebapp `json:"webapp,omitempty" yaml:"webapp,omitempty"`
+
+	// To allow administrators to configure your plugin via the Mattermost system console, you can
+	// provide your settings schema.
+	SettingsSchema *PluginSettingsSchema `json:"settings_schema,omitempty" yaml:"settings_schema,omitempty"`
+
+	// Plugins can store any kind of data in Props to allow other plugins to use it.
+	Props map[string]interface{} `json:"props,omitempty" yaml:"props,omitempty"`
+
+	// RequiredConfig defines any required server configuration fields for the plugin to function properly.
+	//
+	// Use the plugin helpers CheckRequiredServerConfiguration method to enforce this.
+	RequiredConfig *Config `json:"required_configuration,omitempty" yaml:"required_configuration,omitempty"`
+}
+
+type ManifestServer struct {
+	// Executables are the paths to your executable binaries, specifying multiple entry points
+	// for different platforms when bundled together in a single plugin.
+	Executables *ManifestExecutables `json:"executables,omitempty" yaml:"executables,omitempty"`
+
+	// Executable is the path to your executable binary. This should be relative to the root
+	// of your bundle and the location of the manifest file.
+	//
+	// On Windows, this file must have a ".exe" extension.
+	//
+	// If your plugin is compiled for multiple platforms, consider bundling them together
+	// and using the Executables field instead.
+	Executable string `json:"executable" yaml:"executable"`
+}
+
+type ManifestExecutables struct {
+	// LinuxAmd64 is the path to your executable binary for the corresponding platform
+	LinuxAmd64 string `json:"linux-amd64,omitempty" yaml:"linux-amd64,omitempty"`
+	// DarwinAmd64 is the path to your executable binary for the corresponding platform
+	DarwinAmd64 string `json:"darwin-amd64,omitempty" yaml:"darwin-amd64,omitempty"`
+	// WindowsAmd64 is the path to your executable binary for the corresponding platform
+	// This file must have a ".exe" extension
+	WindowsAmd64 string `json:"windows-amd64,omitempty" yaml:"windows-amd64,omitempty"`
+}
+
+type ManifestWebapp struct {
+	// The path to your webapp bundle. This should be relative to the root of your bundle and the
+	// location of the manifest file.
+	BundlePath string `json:"bundle_path" yaml:"bundle_path"`
+
+	// BundleHash is the 64-bit FNV-1a hash of the webapp bundle, computed when the plugin is loaded
+	BundleHash []byte `json:"-"`
+}
+
+func (m *Manifest) ToJson() string {
+	b, _ := json.Marshal(m)
+	return string(b)
+}
+
+func ManifestListToJson(m []*Manifest) string {
+	b, _ := json.Marshal(m)
+	return string(b)
+}
+
+func ManifestFromJson(data io.Reader) *Manifest {
+	var m *Manifest
+	json.NewDecoder(data).Decode(&m)
+	return m
+}
+
+func ManifestListFromJson(data io.Reader) []*Manifest {
+	var manifests []*Manifest
+	json.NewDecoder(data).Decode(&manifests)
+	return manifests
+}
+
+func (m *Manifest) HasClient() bool {
+	return m.Webapp != nil
+}
+
+func (m *Manifest) ClientManifest() *Manifest {
+	cm := new(Manifest)
+	*cm = *m
+	cm.Name = ""
+	cm.Description = ""
+	cm.Server = nil
+	if cm.Webapp != nil {
+		cm.Webapp = new(ManifestWebapp)
+		*cm.Webapp = *m.Webapp
+		cm.Webapp.BundlePath = "/static/" + m.Id + "/" + fmt.Sprintf("%s_%x_bundle.js", m.Id, m.Webapp.BundleHash)
+	}
+	return cm
+}
+
+// GetExecutableForRuntime returns the path to the executable for the given runtime architecture.
+//
+// If the manifest defines multiple executables, but none match, or if only a single executable
+// is defined, the Executable field will be returned. This method does not guarantee that the
+// resulting binary can actually execute on the given platform.
+func (m *Manifest) GetExecutableForRuntime(goOs, goArch string) string {
+	server := m.Server
+
+	// Support the deprecated backend parameter.
+	if server == nil {
+		server = m.Backend
+	}
+
+	if server == nil {
+		return ""
+	}
+
+	var executable string
+	if server.Executables != nil {
+		if goOs == "linux" && goArch == "amd64" {
+			executable = server.Executables.LinuxAmd64
+		} else if goOs == "darwin" && goArch == "amd64" {
+			executable = server.Executables.DarwinAmd64
+		} else if goOs == "windows" && goArch == "amd64" {
+			executable = server.Executables.WindowsAmd64
+		}
+	}
+
+	if executable == "" {
+		executable = server.Executable
+	}
+
+	return executable
+}
+
+func (m *Manifest) HasServer() bool {
+	return m.Server != nil || m.Backend != nil
+}
+
+func (m *Manifest) HasWebapp() bool {
+	return m.Webapp != nil
+}
+
+func (m *Manifest) MeetMinServerVersion(serverVersion string) (bool, error) {
+	minServerVersion, err := semver.Parse(m.MinServerVersion)
+	if err != nil {
+		return false, errors.New("failed to parse MinServerVersion")
+	}
+	sv := semver.MustParse(serverVersion)
+	if sv.LT(minServerVersion) {
+		return false, nil
+	}
+	return true, nil
+}
+
+func (m *Manifest) IsValid() error {
+	if !IsValidPluginId(m.Id) {
+		return errors.New("invalid plugin ID")
+	}
+
+	if m.HomepageURL != "" && !IsValidHttpUrl(m.HomepageURL) {
+		return errors.New("invalid HomepageURL")
+	}
+
+	if m.SupportURL != "" && !IsValidHttpUrl(m.SupportURL) {
+		return errors.New("invalid SupportURL")
+	}
+
+	if m.ReleaseNotesURL != "" && !IsValidHttpUrl(m.ReleaseNotesURL) {
+		return errors.New("invalid ReleaseNotesURL")
+	}
+
+	if m.Version != "" {
+		_, err := semver.Parse(m.Version)
+		if err != nil {
+			return errors.Wrap(err, "failed to parse Version")
+		}
+	}
+
+	if m.MinServerVersion != "" {
+		_, err := semver.Parse(m.MinServerVersion)
+		if err != nil {
+			return errors.Wrap(err, "failed to parse MinServerVersion")
+		}
+	}
+
+	if m.SettingsSchema != nil {
+		err := m.SettingsSchema.isValid()
+		if err != nil {
+			return errors.Wrap(err, "invalid settings schema")
+		}
+	}
+
+	return nil
+}
+
+func (s *PluginSettingsSchema) isValid() error {
+	for _, setting := range s.Settings {
+		err := setting.isValid()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *PluginSetting) isValid() error {
+	pluginSettingType, err := convertTypeToPluginSettingType(s.Type)
+	if err != nil {
+		return err
+	}
+
+	if s.RegenerateHelpText != "" && pluginSettingType != Generated {
+		return errors.New("should not set RegenerateHelpText for setting type that is not generated")
+	}
+
+	if s.Placeholder != "" && !(pluginSettingType == Generated ||
+		pluginSettingType == Text ||
+		pluginSettingType == LongText ||
+		pluginSettingType == Number ||
+		pluginSettingType == Username) {
+		return errors.New("should not set Placeholder for setting type not in text, generated or username")
+	}
+
+	if s.Options != nil {
+		if pluginSettingType != Radio && pluginSettingType != Dropdown {
+			return errors.New("should not set Options for setting type not in radio or dropdown")
+		}
+
+		for _, option := range s.Options {
+			if option.DisplayName == "" || option.Value == "" {
+				return errors.New("should not have empty Displayname or Value for any option")
+			}
+		}
+	}
+
+	return nil
+}
+
+func convertTypeToPluginSettingType(t string) (PluginSettingType, error) {
+	var settingType PluginSettingType
+	switch t {
+	case "bool":
+		return Bool, nil
+	case "dropdown":
+		return Dropdown, nil
+	case "generated":
+		return Generated, nil
+	case "radio":
+		return Radio, nil
+	case "text":
+		return Text, nil
+	case "number":
+		return Number, nil
+	case "longtext":
+		return LongText, nil
+	case "username":
+		return Username, nil
+	case "custom":
+		return Custom, nil
+	default:
+		return settingType, errors.New("invalid setting type: " + t)
+	}
+}
+
+// FindManifest will find and parse the manifest in a given directory.
+//
+// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was
+// found.
+//
+// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml.
+func FindManifest(dir string) (manifest *Manifest, path string, err error) {
+	for _, name := range []string{"plugin.yml", "plugin.yaml"} {
+		path = filepath.Join(dir, name)
+		f, ferr := os.Open(path)
+		if ferr != nil {
+			if !os.IsNotExist(ferr) {
+				return nil, "", ferr
+			}
+			continue
+		}
+		b, ioerr := ioutil.ReadAll(f)
+		f.Close()
+		if ioerr != nil {
+			return nil, path, ioerr
+		}
+		var parsed Manifest
+		err = yaml.Unmarshal(b, &parsed)
+		if err != nil {
+			return nil, path, err
+		}
+		manifest = &parsed
+		manifest.Id = strings.ToLower(manifest.Id)
+		return manifest, path, nil
+	}
+
+	path = filepath.Join(dir, "plugin.json")
+	f, ferr := os.Open(path)
+	if ferr != nil {
+		if os.IsNotExist(ferr) {
+			path = ""
+		}
+		return nil, path, ferr
+	}
+	defer f.Close()
+	var parsed Manifest
+	err = json.NewDecoder(f).Decode(&parsed)
+	if err != nil {
+		return nil, path, err
+	}
+	manifest = &parsed
+	manifest.Id = strings.ToLower(manifest.Id)
+	return manifest, path, nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/marketplace_plugin.go b/vendor/github.com/mattermost/mattermost-server/v5/model/marketplace_plugin.go
new file mode 100644
index 00000000..47644513
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/marketplace_plugin.go
@@ -0,0 +1,124 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/base64"
+	"encoding/json"
+	"io"
+	"net/url"
+	"strconv"
+
+	"github.com/pkg/errors"
+)
+
+// BaseMarketplacePlugin is a Mattermost plugin received from the Marketplace server.
+type BaseMarketplacePlugin struct {
+	HomepageURL     string             `json:"homepage_url"`
+	IconData        string             `json:"icon_data"`
+	DownloadURL     string             `json:"download_url"`
+	ReleaseNotesURL string             `json:"release_notes_url"`
+	Labels          []MarketplaceLabel `json:"labels"`
+	Signature       string             `json:"signature"` // Signature represents a signature of a plugin saved in base64 encoding.
+	Manifest        *Manifest          `json:"manifest"`
+}
+
+// MarketplaceLabel represents a label shown in the Marketplace UI.
+type MarketplaceLabel struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	URL         string `json:"url"`
+	Color       string `json:"color"`
+}
+
+// MarketplacePlugin is a state aware Marketplace plugin.
+type MarketplacePlugin struct {
+	*BaseMarketplacePlugin
+	InstalledVersion string `json:"installed_version"`
+}
+
+// BaseMarketplacePluginsFromReader decodes a json-encoded list of plugins from the given io.Reader.
+func BaseMarketplacePluginsFromReader(reader io.Reader) ([]*BaseMarketplacePlugin, error) {
+	plugins := []*BaseMarketplacePlugin{}
+	decoder := json.NewDecoder(reader)
+
+	if err := decoder.Decode(&plugins); err != nil && err != io.EOF {
+		return nil, err
+	}
+
+	return plugins, nil
+}
+
+// MarketplacePluginsFromReader decodes a json-encoded list of plugins from the given io.Reader.
+func MarketplacePluginsFromReader(reader io.Reader) ([]*MarketplacePlugin, error) {
+	plugins := []*MarketplacePlugin{}
+	decoder := json.NewDecoder(reader)
+
+	if err := decoder.Decode(&plugins); err != nil && err != io.EOF {
+		return nil, err
+	}
+
+	return plugins, nil
+}
+
+// DecodeSignature Decodes signature and returns ReadSeeker.
+func (plugin *BaseMarketplacePlugin) DecodeSignature() (io.ReadSeeker, error) {
+	signatureBytes, err := base64.StdEncoding.DecodeString(plugin.Signature)
+	if err != nil {
+		return nil, errors.Wrap(err, "Unable to decode base64 signature.")
+	}
+	return bytes.NewReader(signatureBytes), nil
+}
+
+// MarketplacePluginFilter describes the parameters to request a list of plugins.
+type MarketplacePluginFilter struct {
+	Page                 int
+	PerPage              int
+	Filter               string
+	ServerVersion        string
+	BuildEnterpriseReady bool
+	EnterprisePlugins    bool
+	LocalOnly            bool
+}
+
+// ApplyToURL modifies the given url to include query string parameters for the request.
+func (filter *MarketplacePluginFilter) ApplyToURL(u *url.URL) {
+	q := u.Query()
+	q.Add("page", strconv.Itoa(filter.Page))
+	if filter.PerPage > 0 {
+		q.Add("per_page", strconv.Itoa(filter.PerPage))
+	}
+	q.Add("filter", filter.Filter)
+	q.Add("server_version", filter.ServerVersion)
+	q.Add("build_enterprise_ready", strconv.FormatBool(filter.BuildEnterpriseReady))
+	q.Add("enterprise_plugins", strconv.FormatBool(filter.EnterprisePlugins))
+	q.Add("local_only", strconv.FormatBool(filter.LocalOnly))
+	u.RawQuery = q.Encode()
+}
+
+// InstallMarketplacePluginRequest struct describes parameters of the requested plugin.
+type InstallMarketplacePluginRequest struct {
+	Id      string `json:"id"`
+	Version string `json:"version"`
+}
+
+// PluginRequestFromReader decodes a json-encoded plugin request from the given io.Reader.
+func PluginRequestFromReader(reader io.Reader) (*InstallMarketplacePluginRequest, error) {
+	var r *InstallMarketplacePluginRequest
+	err := json.NewDecoder(reader).Decode(&r)
+	if err != nil {
+		return nil, err
+	}
+	return r, nil
+}
+
+// ToJson method will return json from plugin request.
+func (r *InstallMarketplacePluginRequest) ToJson() (string, error) {
+	b, err := json.Marshal(r)
+	if err != nil {
+		return "", err
+	}
+	return string(b), nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/mention_map.go b/vendor/github.com/mattermost/mattermost-server/v5/model/mention_map.go
new file mode 100644
index 00000000..2f3444dd
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/mention_map.go
@@ -0,0 +1,80 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"net/url"
+)
+
+type UserMentionMap map[string]string
+type ChannelMentionMap map[string]string
+
+const (
+	userMentionsKey       = "user_mentions"
+	userMentionsIdsKey    = "user_mentions_ids"
+	channelMentionsKey    = "channel_mentions"
+	channelMentionsIdsKey = "channel_mentions_ids"
+)
+
+func UserMentionMapFromURLValues(values url.Values) (UserMentionMap, error) {
+	return mentionsFromURLValues(values, userMentionsKey, userMentionsIdsKey)
+}
+
+func (m UserMentionMap) ToURLValues() url.Values {
+	return mentionsToURLValues(m, userMentionsKey, userMentionsIdsKey)
+}
+
+func ChannelMentionMapFromURLValues(values url.Values) (ChannelMentionMap, error) {
+	return mentionsFromURLValues(values, channelMentionsKey, channelMentionsIdsKey)
+}
+
+func (m ChannelMentionMap) ToURLValues() url.Values {
+	return mentionsToURLValues(m, channelMentionsKey, channelMentionsIdsKey)
+}
+
+func mentionsFromURLValues(values url.Values, mentionKey, idKey string) (map[string]string, error) {
+	mentions, mentionsOk := values[mentionKey]
+	ids, idsOk := values[idKey]
+
+	if !mentionsOk && !idsOk {
+		return map[string]string{}, nil
+	}
+
+	if !mentionsOk {
+		return nil, fmt.Errorf("%s key not found", mentionKey)
+	}
+
+	if !idsOk {
+		return nil, fmt.Errorf("%s key not found", idKey)
+	}
+
+	if len(mentions) != len(ids) {
+		return nil, fmt.Errorf("keys %s and %s have different length", mentionKey, idKey)
+	}
+
+	mentionsMap := make(map[string]string)
+	for i, mention := range mentions {
+		id := ids[i]
+
+		if oldId, ok := mentionsMap[mention]; ok && oldId != id {
+			return nil, fmt.Errorf("key %s has two different values: %s and %s", mention, oldId, id)
+		}
+
+		mentionsMap[mention] = id
+	}
+
+	return mentionsMap, nil
+}
+
+func mentionsToURLValues(mentions map[string]string, mentionKey, idKey string) url.Values {
+	values := url.Values{}
+
+	for mention, id := range mentions {
+		values.Add(mentionKey, mention)
+		values.Add(idKey, id)
+	}
+
+	return values
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/message_export.go b/vendor/github.com/mattermost/mattermost-server/v5/model/message_export.go
new file mode 100644
index 00000000..88108e2e
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/message_export.go
@@ -0,0 +1,31 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type MessageExport struct {
+	TeamId          *string
+	TeamName        *string
+	TeamDisplayName *string
+
+	ChannelId          *string
+	ChannelName        *string
+	ChannelDisplayName *string
+	ChannelType        *string
+
+	UserId    *string
+	UserEmail *string
+	Username  *string
+	IsBot     bool
+
+	PostId         *string
+	PostCreateAt   *int64
+	PostUpdateAt   *int64
+	PostDeleteAt   *int64
+	PostMessage    *string
+	PostType       *string
+	PostRootId     *string
+	PostProps      *string
+	PostOriginalId *string
+	PostFileIds    StringArray
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/mfa_secret.go b/vendor/github.com/mattermost/mattermost-server/v5/model/mfa_secret.go
new file mode 100644
index 00000000..979ff342
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/mfa_secret.go
@@ -0,0 +1,25 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type MfaSecret struct {
+	Secret string `json:"secret"`
+	QRCode string `json:"qr_code"`
+}
+
+func (me *MfaSecret) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func MfaSecretFromJson(data io.Reader) *MfaSecret {
+	var me *MfaSecret
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/migration.go b/vendor/github.com/mattermost/mattermost-server/v5/model/migration.go
new file mode 100644
index 00000000..7dd08bef
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/migration.go
@@ -0,0 +1,20 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	MIGRATION_KEY_ADVANCED_PERMISSIONS_PHASE_2 = "migration_advanced_permissions_phase_2"
+
+	MIGRATION_KEY_EMOJI_PERMISSIONS_SPLIT                     = "emoji_permissions_split"
+	MIGRATION_KEY_WEBHOOK_PERMISSIONS_SPLIT                   = "webhook_permissions_split"
+	MIGRATION_KEY_LIST_JOIN_PUBLIC_PRIVATE_TEAMS              = "list_join_public_private_teams"
+	MIGRATION_KEY_REMOVE_PERMANENT_DELETE_USER                = "remove_permanent_delete_user"
+	MIGRATION_KEY_ADD_BOT_PERMISSIONS                         = "add_bot_permissions"
+	MIGRATION_KEY_APPLY_CHANNEL_MANAGE_DELETE_TO_CHANNEL_USER = "apply_channel_manage_delete_to_channel_user"
+	MIGRATION_KEY_REMOVE_CHANNEL_MANAGE_DELETE_FROM_TEAM_USER = "remove_channel_manage_delete_from_team_user"
+	MIGRATION_KEY_VIEW_MEMBERS_NEW_PERMISSION                 = "view_members_new_permission"
+	MIGRATION_KEY_ADD_MANAGE_GUESTS_PERMISSIONS               = "add_manage_guests_permissions"
+	MIGRATION_KEY_CHANNEL_MODERATIONS_PERMISSIONS             = "channel_moderations_permissions"
+	MIGRATION_KEY_ADD_USE_GROUP_MENTIONS_PERMISSION           = "add_use_group_mentions_permission"
+)
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/oauth.go b/vendor/github.com/mattermost/mattermost-server/v5/model/oauth.go
new file mode 100644
index 00000000..4a345a6e
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/oauth.go
@@ -0,0 +1,151 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"unicode/utf8"
+)
+
+const (
+	OAUTH_ACTION_SIGNUP       = "signup"
+	OAUTH_ACTION_LOGIN        = "login"
+	OAUTH_ACTION_EMAIL_TO_SSO = "email_to_sso"
+	OAUTH_ACTION_SSO_TO_EMAIL = "sso_to_email"
+	OAUTH_ACTION_MOBILE       = "mobile"
+)
+
+type OAuthApp struct {
+	Id           string      `json:"id"`
+	CreatorId    string      `json:"creator_id"`
+	CreateAt     int64       `json:"create_at"`
+	UpdateAt     int64       `json:"update_at"`
+	ClientSecret string      `json:"client_secret"`
+	Name         string      `json:"name"`
+	Description  string      `json:"description"`
+	IconURL      string      `json:"icon_url"`
+	CallbackUrls StringArray `json:"callback_urls"`
+	Homepage     string      `json:"homepage"`
+	IsTrusted    bool        `json:"is_trusted"`
+}
+
+// IsValid validates the app and returns an error if it isn't configured
+// correctly.
+func (a *OAuthApp) IsValid() *AppError {
+
+	if !IsValidId(a.Id) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.app_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if a.CreateAt == 0 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.create_at.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if a.UpdateAt == 0 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.update_at.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(a.CreatorId) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.creator_id.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if len(a.ClientSecret) == 0 || len(a.ClientSecret) > 128 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.client_secret.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if len(a.Name) == 0 || len(a.Name) > 64 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.name.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if len(a.CallbackUrls) == 0 || len(fmt.Sprintf("%s", a.CallbackUrls)) > 1024 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.callback.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	for _, callback := range a.CallbackUrls {
+		if !IsValidHttpUrl(callback) {
+			return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.callback.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if len(a.Homepage) == 0 || len(a.Homepage) > 256 || !IsValidHttpUrl(a.Homepage) {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.homepage.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(a.Description) > 512 {
+		return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.description.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+	}
+
+	if len(a.IconURL) > 0 {
+		if len(a.IconURL) > 512 || !IsValidHttpUrl(a.IconURL) {
+			return NewAppError("OAuthApp.IsValid", "model.oauth.is_valid.icon_url.app_error", nil, "app_id="+a.Id, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+// PreSave will set the Id and ClientSecret if missing.  It will also fill
+// in the CreateAt, UpdateAt times. It should be run before saving the app to the db.
+func (a *OAuthApp) PreSave() {
+	if a.Id == "" {
+		a.Id = NewId()
+	}
+
+	if a.ClientSecret == "" {
+		a.ClientSecret = NewId()
+	}
+
+	a.CreateAt = GetMillis()
+	a.UpdateAt = a.CreateAt
+}
+
+// PreUpdate should be run before updating the app in the db.
+func (a *OAuthApp) PreUpdate() {
+	a.UpdateAt = GetMillis()
+}
+
+func (a *OAuthApp) ToJson() string {
+	b, _ := json.Marshal(a)
+	return string(b)
+}
+
+// Generate a valid strong etag so the browser can cache the results
+func (a *OAuthApp) Etag() string {
+	return Etag(a.Id, a.UpdateAt)
+}
+
+// Remove any private data from the app object
+func (a *OAuthApp) Sanitize() {
+	a.ClientSecret = ""
+}
+
+func (a *OAuthApp) IsValidRedirectURL(url string) bool {
+	for _, u := range a.CallbackUrls {
+		if u == url {
+			return true
+		}
+	}
+
+	return false
+}
+
+func OAuthAppFromJson(data io.Reader) *OAuthApp {
+	var app *OAuthApp
+	json.NewDecoder(data).Decode(&app)
+	return app
+}
+
+func OAuthAppListToJson(l []*OAuthApp) string {
+	b, _ := json.Marshal(l)
+	return string(b)
+}
+
+func OAuthAppListFromJson(data io.Reader) []*OAuthApp {
+	var o []*OAuthApp
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/outgoing_webhook.go b/vendor/github.com/mattermost/mattermost-server/v5/model/outgoing_webhook.go
new file mode 100644
index 00000000..f4278de0
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/outgoing_webhook.go
@@ -0,0 +1,264 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+type OutgoingWebhook struct {
+	Id           string      `json:"id"`
+	Token        string      `json:"token"`
+	CreateAt     int64       `json:"create_at"`
+	UpdateAt     int64       `json:"update_at"`
+	DeleteAt     int64       `json:"delete_at"`
+	CreatorId    string      `json:"creator_id"`
+	ChannelId    string      `json:"channel_id"`
+	TeamId       string      `json:"team_id"`
+	TriggerWords StringArray `json:"trigger_words"`
+	TriggerWhen  int         `json:"trigger_when"`
+	CallbackURLs StringArray `json:"callback_urls"`
+	DisplayName  string      `json:"display_name"`
+	Description  string      `json:"description"`
+	ContentType  string      `json:"content_type"`
+	Username     string      `json:"username"`
+	IconURL      string      `json:"icon_url"`
+}
+
+type OutgoingWebhookPayload struct {
+	Token       string `json:"token"`
+	TeamId      string `json:"team_id"`
+	TeamDomain  string `json:"team_domain"`
+	ChannelId   string `json:"channel_id"`
+	ChannelName string `json:"channel_name"`
+	Timestamp   int64  `json:"timestamp"`
+	UserId      string `json:"user_id"`
+	UserName    string `json:"user_name"`
+	PostId      string `json:"post_id"`
+	Text        string `json:"text"`
+	TriggerWord string `json:"trigger_word"`
+	FileIds     string `json:"file_ids"`
+}
+
+type OutgoingWebhookResponse struct {
+	Text         *string            `json:"text"`
+	Username     string             `json:"username"`
+	IconURL      string             `json:"icon_url"`
+	Props        StringInterface    `json:"props"`
+	Attachments  []*SlackAttachment `json:"attachments"`
+	Type         string             `json:"type"`
+	ResponseType string             `json:"response_type"`
+}
+
+const OUTGOING_HOOK_RESPONSE_TYPE_COMMENT = "comment"
+
+func (o *OutgoingWebhookPayload) ToJSON() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *OutgoingWebhookPayload) ToFormValues() string {
+	v := url.Values{}
+	v.Set("token", o.Token)
+	v.Set("team_id", o.TeamId)
+	v.Set("team_domain", o.TeamDomain)
+	v.Set("channel_id", o.ChannelId)
+	v.Set("channel_name", o.ChannelName)
+	v.Set("timestamp", strconv.FormatInt(o.Timestamp/1000, 10))
+	v.Set("user_id", o.UserId)
+	v.Set("user_name", o.UserName)
+	v.Set("post_id", o.PostId)
+	v.Set("text", o.Text)
+	v.Set("trigger_word", o.TriggerWord)
+	v.Set("file_ids", o.FileIds)
+
+	return v.Encode()
+}
+
+func (o *OutgoingWebhook) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func OutgoingWebhookFromJson(data io.Reader) *OutgoingWebhook {
+	var o *OutgoingWebhook
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func OutgoingWebhookListToJson(l []*OutgoingWebhook) string {
+	b, _ := json.Marshal(l)
+	return string(b)
+}
+
+func OutgoingWebhookListFromJson(data io.Reader) []*OutgoingWebhook {
+	var o []*OutgoingWebhook
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *OutgoingWebhookResponse) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func OutgoingWebhookResponseFromJson(data io.Reader) (*OutgoingWebhookResponse, error) {
+	var o *OutgoingWebhookResponse
+	err := json.NewDecoder(data).Decode(&o)
+	return o, err
+}
+
+func (o *OutgoingWebhook) IsValid() *AppError {
+
+	if !IsValidId(o.Id) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Token) != 26 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.CreatorId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ChannelId) != 0 && !IsValidId(o.ChannelId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(fmt.Sprintf("%s", o.TriggerWords)) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.words.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.TriggerWords) != 0 {
+		for _, triggerWord := range o.TriggerWords {
+			if len(triggerWord) == 0 {
+				return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.trigger_words.app_error", nil, "", http.StatusBadRequest)
+			}
+		}
+	}
+
+	if len(o.CallbackURLs) == 0 || len(fmt.Sprintf("%s", o.CallbackURLs)) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.callback.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	for _, callback := range o.CallbackURLs {
+		if !IsValidHttpUrl(callback) {
+			return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.url.app_error", nil, "", http.StatusBadRequest)
+		}
+	}
+
+	if len(o.DisplayName) > 64 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.display_name.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Description) > 500 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ContentType) > 128 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.content_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.TriggerWhen > 1 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.is_valid.content_type.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.Username) > 64 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.username.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.IconURL) > 1024 {
+		return NewAppError("OutgoingWebhook.IsValid", "model.outgoing_hook.icon_url.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *OutgoingWebhook) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	if o.Token == "" {
+		o.Token = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+}
+
+func (o *OutgoingWebhook) PreUpdate() {
+	o.UpdateAt = GetMillis()
+}
+
+func (o *OutgoingWebhook) TriggerWordExactMatch(word string) bool {
+	if len(word) == 0 {
+		return false
+	}
+
+	for _, trigger := range o.TriggerWords {
+		if trigger == word {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (o *OutgoingWebhook) TriggerWordStartsWith(word string) bool {
+	if len(word) == 0 {
+		return false
+	}
+
+	for _, trigger := range o.TriggerWords {
+		if strings.HasPrefix(word, trigger) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (o *OutgoingWebhook) GetTriggerWord(word string, isExactMatch bool) (triggerWord string) {
+	if len(word) == 0 {
+		return
+	}
+
+	if isExactMatch {
+		for _, trigger := range o.TriggerWords {
+			if trigger == word {
+				triggerWord = trigger
+				break
+			}
+		}
+	} else {
+		for _, trigger := range o.TriggerWords {
+			if strings.HasPrefix(word, trigger) {
+				triggerWord = trigger
+				break
+			}
+		}
+	}
+
+	return triggerWord
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/permission.go b/vendor/github.com/mattermost/mattermost-server/v5/model/permission.go
new file mode 100644
index 00000000..cc3c5a70
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/permission.go
@@ -0,0 +1,676 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	PERMISSION_SCOPE_SYSTEM  = "system_scope"
+	PERMISSION_SCOPE_TEAM    = "team_scope"
+	PERMISSION_SCOPE_CHANNEL = "channel_scope"
+)
+
+type Permission struct {
+	Id          string `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Scope       string `json:"scope"`
+}
+
+var PERMISSION_INVITE_USER *Permission
+var PERMISSION_ADD_USER_TO_TEAM *Permission
+var PERMISSION_USE_SLASH_COMMANDS *Permission
+var PERMISSION_MANAGE_SLASH_COMMANDS *Permission
+var PERMISSION_MANAGE_OTHERS_SLASH_COMMANDS *Permission
+var PERMISSION_CREATE_PUBLIC_CHANNEL *Permission
+var PERMISSION_CREATE_PRIVATE_CHANNEL *Permission
+var PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS *Permission
+var PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS *Permission
+var PERMISSION_ASSIGN_SYSTEM_ADMIN_ROLE *Permission
+var PERMISSION_MANAGE_ROLES *Permission
+var PERMISSION_MANAGE_TEAM_ROLES *Permission
+var PERMISSION_MANAGE_CHANNEL_ROLES *Permission
+var PERMISSION_CREATE_DIRECT_CHANNEL *Permission
+var PERMISSION_CREATE_GROUP_CHANNEL *Permission
+var PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES *Permission
+var PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES *Permission
+var PERMISSION_LIST_PUBLIC_TEAMS *Permission
+var PERMISSION_JOIN_PUBLIC_TEAMS *Permission
+var PERMISSION_LIST_PRIVATE_TEAMS *Permission
+var PERMISSION_JOIN_PRIVATE_TEAMS *Permission
+var PERMISSION_LIST_TEAM_CHANNELS *Permission
+var PERMISSION_JOIN_PUBLIC_CHANNELS *Permission
+var PERMISSION_DELETE_PUBLIC_CHANNEL *Permission
+var PERMISSION_DELETE_PRIVATE_CHANNEL *Permission
+var PERMISSION_EDIT_OTHER_USERS *Permission
+var PERMISSION_READ_CHANNEL *Permission
+var PERMISSION_READ_PUBLIC_CHANNEL *Permission
+var PERMISSION_ADD_REACTION *Permission
+var PERMISSION_REMOVE_REACTION *Permission
+var PERMISSION_REMOVE_OTHERS_REACTIONS *Permission
+var PERMISSION_PERMANENT_DELETE_USER *Permission
+var PERMISSION_UPLOAD_FILE *Permission
+var PERMISSION_GET_PUBLIC_LINK *Permission
+var PERMISSION_MANAGE_WEBHOOKS *Permission
+var PERMISSION_MANAGE_OTHERS_WEBHOOKS *Permission
+var PERMISSION_MANAGE_INCOMING_WEBHOOKS *Permission
+var PERMISSION_MANAGE_OUTGOING_WEBHOOKS *Permission
+var PERMISSION_MANAGE_OTHERS_INCOMING_WEBHOOKS *Permission
+var PERMISSION_MANAGE_OTHERS_OUTGOING_WEBHOOKS *Permission
+var PERMISSION_MANAGE_OAUTH *Permission
+var PERMISSION_MANAGE_SYSTEM_WIDE_OAUTH *Permission
+var PERMISSION_MANAGE_EMOJIS *Permission
+var PERMISSION_MANAGE_OTHERS_EMOJIS *Permission
+var PERMISSION_CREATE_EMOJIS *Permission
+var PERMISSION_DELETE_EMOJIS *Permission
+var PERMISSION_DELETE_OTHERS_EMOJIS *Permission
+var PERMISSION_CREATE_POST *Permission
+var PERMISSION_CREATE_POST_PUBLIC *Permission
+var PERMISSION_CREATE_POST_EPHEMERAL *Permission
+var PERMISSION_EDIT_POST *Permission
+var PERMISSION_EDIT_OTHERS_POSTS *Permission
+var PERMISSION_DELETE_POST *Permission
+var PERMISSION_DELETE_OTHERS_POSTS *Permission
+var PERMISSION_REMOVE_USER_FROM_TEAM *Permission
+var PERMISSION_CREATE_TEAM *Permission
+var PERMISSION_MANAGE_TEAM *Permission
+var PERMISSION_IMPORT_TEAM *Permission
+var PERMISSION_VIEW_TEAM *Permission
+var PERMISSION_LIST_USERS_WITHOUT_TEAM *Permission
+var PERMISSION_MANAGE_JOBS *Permission
+var PERMISSION_CREATE_USER_ACCESS_TOKEN *Permission
+var PERMISSION_READ_USER_ACCESS_TOKEN *Permission
+var PERMISSION_REVOKE_USER_ACCESS_TOKEN *Permission
+var PERMISSION_CREATE_BOT *Permission
+var PERMISSION_ASSIGN_BOT *Permission
+var PERMISSION_READ_BOTS *Permission
+var PERMISSION_READ_OTHERS_BOTS *Permission
+var PERMISSION_MANAGE_BOTS *Permission
+var PERMISSION_MANAGE_OTHERS_BOTS *Permission
+var PERMISSION_VIEW_MEMBERS *Permission
+var PERMISSION_INVITE_GUEST *Permission
+var PERMISSION_PROMOTE_GUEST *Permission
+var PERMISSION_DEMOTE_TO_GUEST *Permission
+var PERMISSION_USE_CHANNEL_MENTIONS *Permission
+var PERMISSION_USE_GROUP_MENTIONS *Permission
+
+// General permission that encompasses all system admin functions
+// in the future this could be broken up to allow access to some
+// admin functions but not others
+var PERMISSION_MANAGE_SYSTEM *Permission
+
+var ALL_PERMISSIONS []*Permission
+
+var CHANNEL_MODERATED_PERMISSIONS []string
+var CHANNEL_MODERATED_PERMISSIONS_MAP map[string]string
+
+func initializePermissions() {
+	PERMISSION_INVITE_USER = &Permission{
+		"invite_user",
+		"authentication.permissions.team_invite_user.name",
+		"authentication.permissions.team_invite_user.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_ADD_USER_TO_TEAM = &Permission{
+		"add_user_to_team",
+		"authentication.permissions.add_user_to_team.name",
+		"authentication.permissions.add_user_to_team.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_USE_SLASH_COMMANDS = &Permission{
+		"use_slash_commands",
+		"authentication.permissions.team_use_slash_commands.name",
+		"authentication.permissions.team_use_slash_commands.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_MANAGE_SLASH_COMMANDS = &Permission{
+		"manage_slash_commands",
+		"authentication.permissions.manage_slash_commands.name",
+		"authentication.permissions.manage_slash_commands.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_OTHERS_SLASH_COMMANDS = &Permission{
+		"manage_others_slash_commands",
+		"authentication.permissions.manage_others_slash_commands.name",
+		"authentication.permissions.manage_others_slash_commands.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_CREATE_PUBLIC_CHANNEL = &Permission{
+		"create_public_channel",
+		"authentication.permissions.create_public_channel.name",
+		"authentication.permissions.create_public_channel.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_CREATE_PRIVATE_CHANNEL = &Permission{
+		"create_private_channel",
+		"authentication.permissions.create_private_channel.name",
+		"authentication.permissions.create_private_channel.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS = &Permission{
+		"manage_public_channel_members",
+		"authentication.permissions.manage_public_channel_members.name",
+		"authentication.permissions.manage_public_channel_members.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS = &Permission{
+		"manage_private_channel_members",
+		"authentication.permissions.manage_private_channel_members.name",
+		"authentication.permissions.manage_private_channel_members.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_ASSIGN_SYSTEM_ADMIN_ROLE = &Permission{
+		"assign_system_admin_role",
+		"authentication.permissions.assign_system_admin_role.name",
+		"authentication.permissions.assign_system_admin_role.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_ROLES = &Permission{
+		"manage_roles",
+		"authentication.permissions.manage_roles.name",
+		"authentication.permissions.manage_roles.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_TEAM_ROLES = &Permission{
+		"manage_team_roles",
+		"authentication.permissions.manage_team_roles.name",
+		"authentication.permissions.manage_team_roles.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_CHANNEL_ROLES = &Permission{
+		"manage_channel_roles",
+		"authentication.permissions.manage_channel_roles.name",
+		"authentication.permissions.manage_channel_roles.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_MANAGE_SYSTEM = &Permission{
+		"manage_system",
+		"authentication.permissions.manage_system.name",
+		"authentication.permissions.manage_system.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_CREATE_DIRECT_CHANNEL = &Permission{
+		"create_direct_channel",
+		"authentication.permissions.create_direct_channel.name",
+		"authentication.permissions.create_direct_channel.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_CREATE_GROUP_CHANNEL = &Permission{
+		"create_group_channel",
+		"authentication.permissions.create_group_channel.name",
+		"authentication.permissions.create_group_channel.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES = &Permission{
+		"manage_public_channel_properties",
+		"authentication.permissions.manage_public_channel_properties.name",
+		"authentication.permissions.manage_public_channel_properties.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES = &Permission{
+		"manage_private_channel_properties",
+		"authentication.permissions.manage_private_channel_properties.name",
+		"authentication.permissions.manage_private_channel_properties.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_LIST_PUBLIC_TEAMS = &Permission{
+		"list_public_teams",
+		"authentication.permissions.list_public_teams.name",
+		"authentication.permissions.list_public_teams.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_JOIN_PUBLIC_TEAMS = &Permission{
+		"join_public_teams",
+		"authentication.permissions.join_public_teams.name",
+		"authentication.permissions.join_public_teams.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_LIST_PRIVATE_TEAMS = &Permission{
+		"list_private_teams",
+		"authentication.permissions.list_private_teams.name",
+		"authentication.permissions.list_private_teams.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_JOIN_PRIVATE_TEAMS = &Permission{
+		"join_private_teams",
+		"authentication.permissions.join_private_teams.name",
+		"authentication.permissions.join_private_teams.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_LIST_TEAM_CHANNELS = &Permission{
+		"list_team_channels",
+		"authentication.permissions.list_team_channels.name",
+		"authentication.permissions.list_team_channels.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_JOIN_PUBLIC_CHANNELS = &Permission{
+		"join_public_channels",
+		"authentication.permissions.join_public_channels.name",
+		"authentication.permissions.join_public_channels.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_DELETE_PUBLIC_CHANNEL = &Permission{
+		"delete_public_channel",
+		"authentication.permissions.delete_public_channel.name",
+		"authentication.permissions.delete_public_channel.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_DELETE_PRIVATE_CHANNEL = &Permission{
+		"delete_private_channel",
+		"authentication.permissions.delete_private_channel.name",
+		"authentication.permissions.delete_private_channel.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_EDIT_OTHER_USERS = &Permission{
+		"edit_other_users",
+		"authentication.permissions.edit_other_users.name",
+		"authentication.permissions.edit_other_users.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_READ_CHANNEL = &Permission{
+		"read_channel",
+		"authentication.permissions.read_channel.name",
+		"authentication.permissions.read_channel.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_READ_PUBLIC_CHANNEL = &Permission{
+		"read_public_channel",
+		"authentication.permissions.read_public_channel.name",
+		"authentication.permissions.read_public_channel.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_ADD_REACTION = &Permission{
+		"add_reaction",
+		"authentication.permissions.add_reaction.name",
+		"authentication.permissions.add_reaction.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_REMOVE_REACTION = &Permission{
+		"remove_reaction",
+		"authentication.permissions.remove_reaction.name",
+		"authentication.permissions.remove_reaction.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_REMOVE_OTHERS_REACTIONS = &Permission{
+		"remove_others_reactions",
+		"authentication.permissions.remove_others_reactions.name",
+		"authentication.permissions.remove_others_reactions.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	// DEPRECATED
+	PERMISSION_PERMANENT_DELETE_USER = &Permission{
+		"permanent_delete_user",
+		"authentication.permissions.permanent_delete_user.name",
+		"authentication.permissions.permanent_delete_user.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_UPLOAD_FILE = &Permission{
+		"upload_file",
+		"authentication.permissions.upload_file.name",
+		"authentication.permissions.upload_file.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_GET_PUBLIC_LINK = &Permission{
+		"get_public_link",
+		"authentication.permissions.get_public_link.name",
+		"authentication.permissions.get_public_link.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	// DEPRECATED
+	PERMISSION_MANAGE_WEBHOOKS = &Permission{
+		"manage_webhooks",
+		"authentication.permissions.manage_webhooks.name",
+		"authentication.permissions.manage_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	// DEPRECATED
+	PERMISSION_MANAGE_OTHERS_WEBHOOKS = &Permission{
+		"manage_others_webhooks",
+		"authentication.permissions.manage_others_webhooks.name",
+		"authentication.permissions.manage_others_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_INCOMING_WEBHOOKS = &Permission{
+		"manage_incoming_webhooks",
+		"authentication.permissions.manage_incoming_webhooks.name",
+		"authentication.permissions.manage_incoming_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_OUTGOING_WEBHOOKS = &Permission{
+		"manage_outgoing_webhooks",
+		"authentication.permissions.manage_outgoing_webhooks.name",
+		"authentication.permissions.manage_outgoing_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_OTHERS_INCOMING_WEBHOOKS = &Permission{
+		"manage_others_incoming_webhooks",
+		"authentication.permissions.manage_others_incoming_webhooks.name",
+		"authentication.permissions.manage_others_incoming_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_OTHERS_OUTGOING_WEBHOOKS = &Permission{
+		"manage_others_outgoing_webhooks",
+		"authentication.permissions.manage_others_outgoing_webhooks.name",
+		"authentication.permissions.manage_others_outgoing_webhooks.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_MANAGE_OAUTH = &Permission{
+		"manage_oauth",
+		"authentication.permissions.manage_oauth.name",
+		"authentication.permissions.manage_oauth.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_SYSTEM_WIDE_OAUTH = &Permission{
+		"manage_system_wide_oauth",
+		"authentication.permissions.manage_system_wide_oauth.name",
+		"authentication.permissions.manage_system_wide_oauth.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	// DEPRECATED
+	PERMISSION_MANAGE_EMOJIS = &Permission{
+		"manage_emojis",
+		"authentication.permissions.manage_emojis.name",
+		"authentication.permissions.manage_emojis.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	// DEPRECATED
+	PERMISSION_MANAGE_OTHERS_EMOJIS = &Permission{
+		"manage_others_emojis",
+		"authentication.permissions.manage_others_emojis.name",
+		"authentication.permissions.manage_others_emojis.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_CREATE_EMOJIS = &Permission{
+		"create_emojis",
+		"authentication.permissions.create_emojis.name",
+		"authentication.permissions.create_emojis.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_DELETE_EMOJIS = &Permission{
+		"delete_emojis",
+		"authentication.permissions.delete_emojis.name",
+		"authentication.permissions.delete_emojis.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_DELETE_OTHERS_EMOJIS = &Permission{
+		"delete_others_emojis",
+		"authentication.permissions.delete_others_emojis.name",
+		"authentication.permissions.delete_others_emojis.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_CREATE_POST = &Permission{
+		"create_post",
+		"authentication.permissions.create_post.name",
+		"authentication.permissions.create_post.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_CREATE_POST_PUBLIC = &Permission{
+		"create_post_public",
+		"authentication.permissions.create_post_public.name",
+		"authentication.permissions.create_post_public.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_CREATE_POST_EPHEMERAL = &Permission{
+		"create_post_ephemeral",
+		"authentication.permissions.create_post_ephemeral.name",
+		"authentication.permissions.create_post_ephemeral.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_EDIT_POST = &Permission{
+		"edit_post",
+		"authentication.permissions.edit_post.name",
+		"authentication.permissions.edit_post.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_EDIT_OTHERS_POSTS = &Permission{
+		"edit_others_posts",
+		"authentication.permissions.edit_others_posts.name",
+		"authentication.permissions.edit_others_posts.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_DELETE_POST = &Permission{
+		"delete_post",
+		"authentication.permissions.delete_post.name",
+		"authentication.permissions.delete_post.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_DELETE_OTHERS_POSTS = &Permission{
+		"delete_others_posts",
+		"authentication.permissions.delete_others_posts.name",
+		"authentication.permissions.delete_others_posts.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+	PERMISSION_REMOVE_USER_FROM_TEAM = &Permission{
+		"remove_user_from_team",
+		"authentication.permissions.remove_user_from_team.name",
+		"authentication.permissions.remove_user_from_team.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_CREATE_TEAM = &Permission{
+		"create_team",
+		"authentication.permissions.create_team.name",
+		"authentication.permissions.create_team.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_TEAM = &Permission{
+		"manage_team",
+		"authentication.permissions.manage_team.name",
+		"authentication.permissions.manage_team.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_IMPORT_TEAM = &Permission{
+		"import_team",
+		"authentication.permissions.import_team.name",
+		"authentication.permissions.import_team.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_VIEW_TEAM = &Permission{
+		"view_team",
+		"authentication.permissions.view_team.name",
+		"authentication.permissions.view_team.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_LIST_USERS_WITHOUT_TEAM = &Permission{
+		"list_users_without_team",
+		"authentication.permissions.list_users_without_team.name",
+		"authentication.permissions.list_users_without_team.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_CREATE_USER_ACCESS_TOKEN = &Permission{
+		"create_user_access_token",
+		"authentication.permissions.create_user_access_token.name",
+		"authentication.permissions.create_user_access_token.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_READ_USER_ACCESS_TOKEN = &Permission{
+		"read_user_access_token",
+		"authentication.permissions.read_user_access_token.name",
+		"authentication.permissions.read_user_access_token.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_REVOKE_USER_ACCESS_TOKEN = &Permission{
+		"revoke_user_access_token",
+		"authentication.permissions.revoke_user_access_token.name",
+		"authentication.permissions.revoke_user_access_token.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_CREATE_BOT = &Permission{
+		"create_bot",
+		"authentication.permissions.create_bot.name",
+		"authentication.permissions.create_bot.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_ASSIGN_BOT = &Permission{
+		"assign_bot",
+		"authentication.permissions.assign_bot.name",
+		"authentication.permissions.assign_bot.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_READ_BOTS = &Permission{
+		"read_bots",
+		"authentication.permissions.read_bots.name",
+		"authentication.permissions.read_bots.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_READ_OTHERS_BOTS = &Permission{
+		"read_others_bots",
+		"authentication.permissions.read_others_bots.name",
+		"authentication.permissions.read_others_bots.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_BOTS = &Permission{
+		"manage_bots",
+		"authentication.permissions.manage_bots.name",
+		"authentication.permissions.manage_bots.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_OTHERS_BOTS = &Permission{
+		"manage_others_bots",
+		"authentication.permissions.manage_others_bots.name",
+		"authentication.permissions.manage_others_bots.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_MANAGE_JOBS = &Permission{
+		"manage_jobs",
+		"authentication.permisssions.manage_jobs.name",
+		"authentication.permisssions.manage_jobs.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+	PERMISSION_VIEW_MEMBERS = &Permission{
+		"view_members",
+		"authentication.permisssions.view_members.name",
+		"authentication.permisssions.view_members.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_INVITE_GUEST = &Permission{
+		"invite_guest",
+		"authentication.permissions.invite_guest.name",
+		"authentication.permissions.invite_guest.description",
+		PERMISSION_SCOPE_TEAM,
+	}
+	PERMISSION_PROMOTE_GUEST = &Permission{
+		"promote_guest",
+		"authentication.permissions.promote_guest.name",
+		"authentication.permissions.promote_guest.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+
+	PERMISSION_DEMOTE_TO_GUEST = &Permission{
+		"demote_to_guest",
+		"authentication.permissions.demote_to_guest.name",
+		"authentication.permissions.demote_to_guest.description",
+		PERMISSION_SCOPE_SYSTEM,
+	}
+
+	PERMISSION_USE_CHANNEL_MENTIONS = &Permission{
+		"use_channel_mentions",
+		"authentication.permissions.use_channel_mentions.name",
+		"authentication.permissions.use_channel_mentions.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+
+	PERMISSION_USE_GROUP_MENTIONS = &Permission{
+		"use_group_mentions",
+		"authentication.permissions.use_group_mentions.name",
+		"authentication.permissions.use_group_mentions.description",
+		PERMISSION_SCOPE_CHANNEL,
+	}
+
+	ALL_PERMISSIONS = []*Permission{
+		PERMISSION_INVITE_USER,
+		PERMISSION_ADD_USER_TO_TEAM,
+		PERMISSION_USE_SLASH_COMMANDS,
+		PERMISSION_MANAGE_SLASH_COMMANDS,
+		PERMISSION_MANAGE_OTHERS_SLASH_COMMANDS,
+		PERMISSION_CREATE_PUBLIC_CHANNEL,
+		PERMISSION_CREATE_PRIVATE_CHANNEL,
+		PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS,
+		PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS,
+		PERMISSION_ASSIGN_SYSTEM_ADMIN_ROLE,
+		PERMISSION_MANAGE_ROLES,
+		PERMISSION_MANAGE_TEAM_ROLES,
+		PERMISSION_MANAGE_CHANNEL_ROLES,
+		PERMISSION_CREATE_DIRECT_CHANNEL,
+		PERMISSION_CREATE_GROUP_CHANNEL,
+		PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES,
+		PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES,
+		PERMISSION_LIST_PUBLIC_TEAMS,
+		PERMISSION_JOIN_PUBLIC_TEAMS,
+		PERMISSION_LIST_PRIVATE_TEAMS,
+		PERMISSION_JOIN_PRIVATE_TEAMS,
+		PERMISSION_LIST_TEAM_CHANNELS,
+		PERMISSION_JOIN_PUBLIC_CHANNELS,
+		PERMISSION_DELETE_PUBLIC_CHANNEL,
+		PERMISSION_DELETE_PRIVATE_CHANNEL,
+		PERMISSION_EDIT_OTHER_USERS,
+		PERMISSION_READ_CHANNEL,
+		PERMISSION_READ_PUBLIC_CHANNEL,
+		PERMISSION_ADD_REACTION,
+		PERMISSION_REMOVE_REACTION,
+		PERMISSION_REMOVE_OTHERS_REACTIONS,
+		PERMISSION_PERMANENT_DELETE_USER,
+		PERMISSION_UPLOAD_FILE,
+		PERMISSION_GET_PUBLIC_LINK,
+		PERMISSION_MANAGE_WEBHOOKS,
+		PERMISSION_MANAGE_OTHERS_WEBHOOKS,
+		PERMISSION_MANAGE_INCOMING_WEBHOOKS,
+		PERMISSION_MANAGE_OUTGOING_WEBHOOKS,
+		PERMISSION_MANAGE_OTHERS_INCOMING_WEBHOOKS,
+		PERMISSION_MANAGE_OTHERS_OUTGOING_WEBHOOKS,
+		PERMISSION_MANAGE_OAUTH,
+		PERMISSION_MANAGE_SYSTEM_WIDE_OAUTH,
+		PERMISSION_MANAGE_EMOJIS,
+		PERMISSION_MANAGE_OTHERS_EMOJIS,
+		PERMISSION_CREATE_EMOJIS,
+		PERMISSION_DELETE_EMOJIS,
+		PERMISSION_DELETE_OTHERS_EMOJIS,
+		PERMISSION_CREATE_POST,
+		PERMISSION_CREATE_POST_PUBLIC,
+		PERMISSION_CREATE_POST_EPHEMERAL,
+		PERMISSION_EDIT_POST,
+		PERMISSION_EDIT_OTHERS_POSTS,
+		PERMISSION_DELETE_POST,
+		PERMISSION_DELETE_OTHERS_POSTS,
+		PERMISSION_REMOVE_USER_FROM_TEAM,
+		PERMISSION_CREATE_TEAM,
+		PERMISSION_MANAGE_TEAM,
+		PERMISSION_IMPORT_TEAM,
+		PERMISSION_VIEW_TEAM,
+		PERMISSION_LIST_USERS_WITHOUT_TEAM,
+		PERMISSION_MANAGE_JOBS,
+		PERMISSION_CREATE_USER_ACCESS_TOKEN,
+		PERMISSION_READ_USER_ACCESS_TOKEN,
+		PERMISSION_REVOKE_USER_ACCESS_TOKEN,
+		PERMISSION_CREATE_BOT,
+		PERMISSION_READ_BOTS,
+		PERMISSION_READ_OTHERS_BOTS,
+		PERMISSION_MANAGE_BOTS,
+		PERMISSION_MANAGE_OTHERS_BOTS,
+		PERMISSION_MANAGE_SYSTEM,
+		PERMISSION_VIEW_MEMBERS,
+		PERMISSION_INVITE_GUEST,
+		PERMISSION_PROMOTE_GUEST,
+		PERMISSION_DEMOTE_TO_GUEST,
+		PERMISSION_USE_CHANNEL_MENTIONS,
+		PERMISSION_USE_GROUP_MENTIONS,
+	}
+
+	CHANNEL_MODERATED_PERMISSIONS = []string{
+		PERMISSION_CREATE_POST.Id,
+		"create_reactions",
+		"manage_members",
+		PERMISSION_USE_CHANNEL_MENTIONS.Id,
+	}
+
+	CHANNEL_MODERATED_PERMISSIONS_MAP = map[string]string{
+		PERMISSION_CREATE_POST.Id:                    CHANNEL_MODERATED_PERMISSIONS[0],
+		PERMISSION_ADD_REACTION.Id:                   CHANNEL_MODERATED_PERMISSIONS[1],
+		PERMISSION_REMOVE_REACTION.Id:                CHANNEL_MODERATED_PERMISSIONS[1],
+		PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS.Id:  CHANNEL_MODERATED_PERMISSIONS[2],
+		PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS.Id: CHANNEL_MODERATED_PERMISSIONS[2],
+		PERMISSION_USE_CHANNEL_MENTIONS.Id:           CHANNEL_MODERATED_PERMISSIONS[3],
+	}
+}
+
+func init() {
+	initializePermissions()
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_event_data.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_event_data.go
new file mode 100644
index 00000000..c704c993
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_event_data.go
@@ -0,0 +1,25 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+// PluginEventData used to notify peers about plugin changes.
+type PluginEventData struct {
+	Id string `json:"id"`
+}
+
+func (p *PluginEventData) ToJson() string {
+	b, _ := json.Marshal(p)
+	return string(b)
+}
+
+func PluginEventDataFromJson(data io.Reader) PluginEventData {
+	var m PluginEventData
+	json.NewDecoder(data).Decode(&m)
+	return m
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_key_value.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_key_value.go
new file mode 100644
index 00000000..cd5406ea
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_key_value.go
@@ -0,0 +1,33 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+	"unicode/utf8"
+)
+
+const (
+	KEY_VALUE_PLUGIN_ID_MAX_RUNES = 190
+	KEY_VALUE_KEY_MAX_RUNES       = 50
+)
+
+type PluginKeyValue struct {
+	PluginId string `json:"plugin_id"`
+	Key      string `json:"key" db:"PKey"`
+	Value    []byte `json:"value" db:"PValue"`
+	ExpireAt int64  `json:"expire_at"`
+}
+
+func (kv *PluginKeyValue) IsValid() *AppError {
+	if len(kv.PluginId) == 0 || utf8.RuneCountInString(kv.PluginId) > KEY_VALUE_PLUGIN_ID_MAX_RUNES {
+		return NewAppError("PluginKeyValue.IsValid", "model.plugin_key_value.is_valid.plugin_id.app_error", map[string]interface{}{"Max": KEY_VALUE_KEY_MAX_RUNES, "Min": 0}, "key="+kv.Key, http.StatusBadRequest)
+	}
+
+	if len(kv.Key) == 0 || utf8.RuneCountInString(kv.Key) > KEY_VALUE_KEY_MAX_RUNES {
+		return NewAppError("PluginKeyValue.IsValid", "model.plugin_key_value.is_valid.key.app_error", map[string]interface{}{"Max": KEY_VALUE_KEY_MAX_RUNES, "Min": 0}, "key="+kv.Key, http.StatusBadRequest)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_kvset_options.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_kvset_options.go
new file mode 100644
index 00000000..1d374c80
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_kvset_options.go
@@ -0,0 +1,47 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"net/http"
+)
+
+// PluginKVSetOptions contains information on how to store a value in the plugin KV store.
+type PluginKVSetOptions struct {
+	Atomic          bool   // Only store the value if the current value matches the oldValue
+	OldValue        []byte // The value to compare with the current value. Only used when Atomic is true
+	ExpireInSeconds int64  // Set an expire counter
+}
+
+// IsValid returns nil if the chosen options are valid.
+func (opt *PluginKVSetOptions) IsValid() *AppError {
+	if !opt.Atomic && opt.OldValue != nil {
+		return NewAppError(
+			"PluginKVSetOptions.IsValid",
+			"model.plugin_kvset_options.is_valid.old_value.app_error",
+			nil,
+			"",
+			http.StatusBadRequest,
+		)
+	}
+
+	return nil
+}
+
+// NewPluginKeyValueFromOptions return a PluginKeyValue given a pluginID, a KV pair and options.
+func NewPluginKeyValueFromOptions(pluginId, key string, value []byte, opt PluginKVSetOptions) (*PluginKeyValue, *AppError) {
+	expireAt := int64(0)
+	if opt.ExpireInSeconds != 0 {
+		expireAt = GetMillis() + (opt.ExpireInSeconds * 1000)
+	}
+
+	kv := &PluginKeyValue{
+		PluginId: pluginId,
+		Key:      key,
+		Value:    value,
+		ExpireAt: expireAt,
+	}
+
+	return kv, nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_status.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_status.go
new file mode 100644
index 00000000..b4ba2e73
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_status.go
@@ -0,0 +1,42 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	PluginStateNotRunning          = 0
+	PluginStateStarting            = 1 // unused by server
+	PluginStateRunning             = 2
+	PluginStateFailedToStart       = 3
+	PluginStateFailedToStayRunning = 4
+	PluginStateStopping            = 5 // unused by server
+)
+
+// PluginStatus provides a cluster-aware view of installed plugins.
+type PluginStatus struct {
+	PluginId    string `json:"plugin_id"`
+	ClusterId   string `json:"cluster_id"`
+	PluginPath  string `json:"plugin_path"`
+	State       int    `json:"state"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Version     string `json:"version"`
+}
+
+type PluginStatuses []*PluginStatus
+
+func (m *PluginStatuses) ToJson() string {
+	b, _ := json.Marshal(m)
+	return string(b)
+}
+
+func PluginStatusesFromJson(data io.Reader) PluginStatuses {
+	var m PluginStatuses
+	json.NewDecoder(data).Decode(&m)
+	return m
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_valid.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_valid.go
new file mode 100644
index 00000000..b6144513
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugin_valid.go
@@ -0,0 +1,39 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"unicode/utf8"
+)
+
+const (
+	MinIdLength  = 3
+	MaxIdLength  = 190
+	ValidIdRegex = `^[a-zA-Z0-9-_\.]+$`
+)
+
+// ValidId constrains the set of valid plugin identifiers:
+//  ^[a-zA-Z0-9-_\.]+
+var validId *regexp.Regexp
+
+func init() {
+	validId = regexp.MustCompile(ValidIdRegex)
+}
+
+// IsValidPluginId verifies that the plugin id has a minimum length of 3, maximum length of 190, and
+// contains only alphanumeric characters, dashes, underscores and periods.
+//
+// These constraints are necessary since the plugin id is used as part of a filesystem path.
+func IsValidPluginId(id string) bool {
+	if utf8.RuneCountInString(id) < MinIdLength {
+		return false
+	}
+
+	if utf8.RuneCountInString(id) > MaxIdLength {
+		return false
+	}
+
+	return validId.MatchString(id)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/plugins_response.go b/vendor/github.com/mattermost/mattermost-server/v5/model/plugins_response.go
new file mode 100644
index 00000000..421ee2f5
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/plugins_response.go
@@ -0,0 +1,29 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type PluginInfo struct {
+	Manifest
+}
+
+type PluginsResponse struct {
+	Active   []*PluginInfo `json:"active"`
+	Inactive []*PluginInfo `json:"inactive"`
+}
+
+func (m *PluginsResponse) ToJson() string {
+	b, _ := json.Marshal(m)
+	return string(b)
+}
+
+func PluginsResponseFromJson(data io.Reader) *PluginsResponse {
+	var m *PluginsResponse
+	json.NewDecoder(data).Decode(&m)
+	return m
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/post.go b/vendor/github.com/mattermost/mattermost-server/v5/model/post.go
new file mode 100644
index 00000000..817ca08a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/post.go
@@ -0,0 +1,663 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"regexp"
+	"sort"
+	"strings"
+	"sync"
+	"unicode/utf8"
+
+	"github.com/mattermost/mattermost-server/v5/utils/markdown"
+)
+
+const (
+	POST_SYSTEM_MESSAGE_PREFIX  = "system_"
+	POST_DEFAULT                = ""
+	POST_SLACK_ATTACHMENT       = "slack_attachment"
+	POST_SYSTEM_GENERIC         = "system_generic"
+	POST_JOIN_LEAVE             = "system_join_leave" // Deprecated, use POST_JOIN_CHANNEL or POST_LEAVE_CHANNEL instead
+	POST_JOIN_CHANNEL           = "system_join_channel"
+	POST_GUEST_JOIN_CHANNEL     = "system_guest_join_channel"
+	POST_LEAVE_CHANNEL          = "system_leave_channel"
+	POST_JOIN_TEAM              = "system_join_team"
+	POST_LEAVE_TEAM             = "system_leave_team"
+	POST_AUTO_RESPONDER         = "system_auto_responder"
+	POST_ADD_REMOVE             = "system_add_remove" // Deprecated, use POST_ADD_TO_CHANNEL or POST_REMOVE_FROM_CHANNEL instead
+	POST_ADD_TO_CHANNEL         = "system_add_to_channel"
+	POST_ADD_GUEST_TO_CHANNEL   = "system_add_guest_to_chan"
+	POST_REMOVE_FROM_CHANNEL    = "system_remove_from_channel"
+	POST_MOVE_CHANNEL           = "system_move_channel"
+	POST_ADD_TO_TEAM            = "system_add_to_team"
+	POST_REMOVE_FROM_TEAM       = "system_remove_from_team"
+	POST_HEADER_CHANGE          = "system_header_change"
+	POST_DISPLAYNAME_CHANGE     = "system_displayname_change"
+	POST_CONVERT_CHANNEL        = "system_convert_channel"
+	POST_PURPOSE_CHANGE         = "system_purpose_change"
+	POST_CHANNEL_DELETED        = "system_channel_deleted"
+	POST_CHANNEL_RESTORED       = "system_channel_restored"
+	POST_EPHEMERAL              = "system_ephemeral"
+	POST_CHANGE_CHANNEL_PRIVACY = "system_change_chan_privacy"
+	POST_ADD_BOT_TEAMS_CHANNELS = "add_bot_teams_channels"
+	POST_FILEIDS_MAX_RUNES      = 150
+	POST_FILENAMES_MAX_RUNES    = 4000
+	POST_HASHTAGS_MAX_RUNES     = 1000
+	POST_MESSAGE_MAX_RUNES_V1   = 4000
+	POST_MESSAGE_MAX_BYTES_V2   = 65535                         // Maximum size of a TEXT column in MySQL
+	POST_MESSAGE_MAX_RUNES_V2   = POST_MESSAGE_MAX_BYTES_V2 / 4 // Assume a worst-case representation
+	POST_PROPS_MAX_RUNES        = 8000
+	POST_PROPS_MAX_USER_RUNES   = POST_PROPS_MAX_RUNES - 400 // Leave some room for system / pre-save modifications
+	POST_CUSTOM_TYPE_PREFIX     = "custom_"
+	POST_ME                     = "me"
+	PROPS_ADD_CHANNEL_MEMBER    = "add_channel_member"
+
+	POST_PROPS_ADDED_USER_ID       = "addedUserId"
+	POST_PROPS_DELETE_BY           = "deleteBy"
+	POST_PROPS_OVERRIDE_ICON_URL   = "override_icon_url"
+	POST_PROPS_OVERRIDE_ICON_EMOJI = "override_icon_emoji"
+
+	POST_PROPS_MENTION_HIGHLIGHT_DISABLED = "mentionHighlightDisabled"
+	POST_PROPS_GROUP_HIGHLIGHT_DISABLED   = "disable_group_highlight"
+)
+
+var AT_MENTION_PATTEN = regexp.MustCompile(`\B@`)
+
+type Post struct {
+	Id         string `json:"id"`
+	CreateAt   int64  `json:"create_at"`
+	UpdateAt   int64  `json:"update_at"`
+	EditAt     int64  `json:"edit_at"`
+	DeleteAt   int64  `json:"delete_at"`
+	IsPinned   bool   `json:"is_pinned"`
+	UserId     string `json:"user_id"`
+	ChannelId  string `json:"channel_id"`
+	RootId     string `json:"root_id"`
+	ParentId   string `json:"parent_id"`
+	OriginalId string `json:"original_id"`
+
+	Message string `json:"message"`
+	// MessageSource will contain the message as submitted by the user if Message has been modified
+	// by Mattermost for presentation (e.g if an image proxy is being used). It should be used to
+	// populate edit boxes if present.
+	MessageSource string `json:"message_source,omitempty" db:"-"`
+
+	Type          string          `json:"type"`
+	propsMu       sync.RWMutex    `db:"-"`       // Unexported mutex used to guard Post.Props.
+	Props         StringInterface `json:"props"` // Deprecated: use GetProps()
+	Hashtags      string          `json:"hashtags"`
+	Filenames     StringArray     `json:"filenames,omitempty"` // Deprecated, do not use this field any more
+	FileIds       StringArray     `json:"file_ids,omitempty"`
+	PendingPostId string          `json:"pending_post_id" db:"-"`
+	HasReactions  bool            `json:"has_reactions,omitempty"`
+
+	// Transient data populated before sending a post to the client
+	ReplyCount int64         `json:"reply_count" db:"-"`
+	Metadata   *PostMetadata `json:"metadata,omitempty" db:"-"`
+}
+
+type PostEphemeral struct {
+	UserID string `json:"user_id"`
+	Post   *Post  `json:"post"`
+}
+
+type PostPatch struct {
+	IsPinned     *bool            `json:"is_pinned"`
+	Message      *string          `json:"message"`
+	Props        *StringInterface `json:"props"`
+	FileIds      *StringArray     `json:"file_ids"`
+	HasReactions *bool            `json:"has_reactions"`
+}
+
+type SearchParameter struct {
+	Terms                  *string `json:"terms"`
+	IsOrSearch             *bool   `json:"is_or_search"`
+	TimeZoneOffset         *int    `json:"time_zone_offset"`
+	Page                   *int    `json:"page"`
+	PerPage                *int    `json:"per_page"`
+	IncludeDeletedChannels *bool   `json:"include_deleted_channels"`
+}
+
+type AnalyticsPostCountsOptions struct {
+	TeamId        string
+	BotsOnly      bool
+	YesterdayOnly bool
+}
+
+func (o *PostPatch) WithRewrittenImageURLs(f func(string) string) *PostPatch {
+	copy := *o
+	if copy.Message != nil {
+		*copy.Message = RewriteImageURLs(*o.Message, f)
+	}
+	return &copy
+}
+
+type PostForExport struct {
+	Post
+	TeamName    string
+	ChannelName string
+	Username    string
+	ReplyCount  int
+}
+
+type DirectPostForExport struct {
+	Post
+	User           string
+	ChannelMembers *[]string
+}
+
+type ReplyForExport struct {
+	Post
+	Username string
+}
+
+type PostForIndexing struct {
+	Post
+	TeamId         string `json:"team_id"`
+	ParentCreateAt *int64 `json:"parent_create_at"`
+}
+
+// ShallowCopy is an utility function to shallow copy a Post to the given
+// destination without touching the internal RWMutex.
+func (o *Post) ShallowCopy(dst *Post) error {
+	if dst == nil {
+		return errors.New("dst cannot be nil")
+	}
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	dst.propsMu.Lock()
+	defer dst.propsMu.Unlock()
+	dst.Id = o.Id
+	dst.CreateAt = o.CreateAt
+	dst.UpdateAt = o.UpdateAt
+	dst.EditAt = o.EditAt
+	dst.DeleteAt = o.DeleteAt
+	dst.IsPinned = o.IsPinned
+	dst.UserId = o.UserId
+	dst.ChannelId = o.ChannelId
+	dst.RootId = o.RootId
+	dst.ParentId = o.ParentId
+	dst.OriginalId = o.OriginalId
+	dst.Message = o.Message
+	dst.MessageSource = o.MessageSource
+	dst.Type = o.Type
+	dst.Props = o.Props
+	dst.Hashtags = o.Hashtags
+	dst.Filenames = o.Filenames
+	dst.FileIds = o.FileIds
+	dst.PendingPostId = o.PendingPostId
+	dst.HasReactions = o.HasReactions
+	dst.ReplyCount = o.ReplyCount
+	dst.Metadata = o.Metadata
+	return nil
+}
+
+// Clone shallowly copies the post and returns the copy.
+func (o *Post) Clone() *Post {
+	copy := &Post{}
+	o.ShallowCopy(copy)
+	return copy
+}
+
+func (o *Post) ToJson() string {
+	copy := o.Clone()
+	copy.StripActionIntegrations()
+	b, _ := json.Marshal(copy)
+	return string(b)
+}
+
+func (o *Post) ToUnsanitizedJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+type GetPostsSinceOptions struct {
+	ChannelId        string
+	Time             int64
+	SkipFetchThreads bool
+}
+
+type GetPostsOptions struct {
+	ChannelId        string
+	PostId           string
+	Page             int
+	PerPage          int
+	SkipFetchThreads bool
+}
+
+func PostFromJson(data io.Reader) *Post {
+	var o *Post
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *Post) Etag() string {
+	return Etag(o.Id, o.UpdateAt)
+}
+
+func (o *Post) IsValid(maxPostSize int) *AppError {
+	if !IsValidId(o.Id) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Post.IsValid", "model.post.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Post.IsValid", "model.post.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.ChannelId) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.channel_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(IsValidId(o.RootId) || len(o.RootId) == 0) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.root_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(IsValidId(o.ParentId) || len(o.ParentId) == 0) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.parent_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(o.ParentId) == 26 && len(o.RootId) == 0 {
+		return NewAppError("Post.IsValid", "model.post.is_valid.root_parent.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !(len(o.OriginalId) == 26 || len(o.OriginalId) == 0) {
+		return NewAppError("Post.IsValid", "model.post.is_valid.original_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Message) > maxPostSize {
+		return NewAppError("Post.IsValid", "model.post.is_valid.msg.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Hashtags) > POST_HASHTAGS_MAX_RUNES {
+		return NewAppError("Post.IsValid", "model.post.is_valid.hashtags.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	switch o.Type {
+	case
+		POST_DEFAULT,
+		POST_SYSTEM_GENERIC,
+		POST_JOIN_LEAVE,
+		POST_AUTO_RESPONDER,
+		POST_ADD_REMOVE,
+		POST_JOIN_CHANNEL,
+		POST_GUEST_JOIN_CHANNEL,
+		POST_LEAVE_CHANNEL,
+		POST_JOIN_TEAM,
+		POST_LEAVE_TEAM,
+		POST_ADD_TO_CHANNEL,
+		POST_ADD_GUEST_TO_CHANNEL,
+		POST_REMOVE_FROM_CHANNEL,
+		POST_MOVE_CHANNEL,
+		POST_ADD_TO_TEAM,
+		POST_REMOVE_FROM_TEAM,
+		POST_SLACK_ATTACHMENT,
+		POST_HEADER_CHANGE,
+		POST_PURPOSE_CHANGE,
+		POST_DISPLAYNAME_CHANGE,
+		POST_CONVERT_CHANNEL,
+		POST_CHANNEL_DELETED,
+		POST_CHANNEL_RESTORED,
+		POST_CHANGE_CHANNEL_PRIVACY,
+		POST_ME,
+		POST_ADD_BOT_TEAMS_CHANNELS:
+	default:
+		if !strings.HasPrefix(o.Type, POST_CUSTOM_TYPE_PREFIX) {
+			return NewAppError("Post.IsValid", "model.post.is_valid.type.app_error", nil, "id="+o.Type, http.StatusBadRequest)
+		}
+	}
+
+	if utf8.RuneCountInString(ArrayToJson(o.Filenames)) > POST_FILENAMES_MAX_RUNES {
+		return NewAppError("Post.IsValid", "model.post.is_valid.filenames.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(ArrayToJson(o.FileIds)) > POST_FILEIDS_MAX_RUNES {
+		return NewAppError("Post.IsValid", "model.post.is_valid.file_ids.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(StringInterfaceToJson(o.GetProps())) > POST_PROPS_MAX_RUNES {
+		return NewAppError("Post.IsValid", "model.post.is_valid.props.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Post) SanitizeProps() {
+	membersToSanitize := []string{
+		PROPS_ADD_CHANNEL_MEMBER,
+	}
+
+	for _, member := range membersToSanitize {
+		if _, ok := o.GetProps()[member]; ok {
+			o.DelProp(member)
+		}
+	}
+}
+
+func (o *Post) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.OriginalId = ""
+
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+
+	o.UpdateAt = o.CreateAt
+	o.PreCommit()
+}
+
+func (o *Post) PreCommit() {
+	if o.GetProps() == nil {
+		o.SetProps(make(map[string]interface{}))
+	}
+
+	if o.Filenames == nil {
+		o.Filenames = []string{}
+	}
+
+	if o.FileIds == nil {
+		o.FileIds = []string{}
+	}
+
+	o.GenerateActionIds()
+
+	// There's a rare bug where the client sends up duplicate FileIds so protect against that
+	o.FileIds = RemoveDuplicateStrings(o.FileIds)
+}
+
+func (o *Post) MakeNonNil() {
+	if o.GetProps() == nil {
+		o.SetProps(make(map[string]interface{}))
+	}
+}
+
+func (o *Post) DelProp(key string) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	propsCopy := make(map[string]interface{}, len(o.Props)-1)
+	for k, v := range o.Props {
+		propsCopy[k] = v
+	}
+	delete(propsCopy, key)
+	o.Props = propsCopy
+}
+
+func (o *Post) AddProp(key string, value interface{}) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	propsCopy := make(map[string]interface{}, len(o.Props)+1)
+	for k, v := range o.Props {
+		propsCopy[k] = v
+	}
+	propsCopy[key] = value
+	o.Props = propsCopy
+}
+
+func (o *Post) GetProps() StringInterface {
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	return o.Props
+}
+
+func (o *Post) SetProps(props StringInterface) {
+	o.propsMu.Lock()
+	defer o.propsMu.Unlock()
+	o.Props = props
+}
+
+func (o *Post) GetProp(key string) interface{} {
+	o.propsMu.RLock()
+	defer o.propsMu.RUnlock()
+	return o.Props[key]
+}
+
+func (o *Post) IsSystemMessage() bool {
+	return len(o.Type) >= len(POST_SYSTEM_MESSAGE_PREFIX) && o.Type[:len(POST_SYSTEM_MESSAGE_PREFIX)] == POST_SYSTEM_MESSAGE_PREFIX
+}
+
+func (o *Post) IsJoinLeaveMessage() bool {
+	return o.Type == POST_JOIN_LEAVE ||
+		o.Type == POST_ADD_REMOVE ||
+		o.Type == POST_JOIN_CHANNEL ||
+		o.Type == POST_LEAVE_CHANNEL ||
+		o.Type == POST_JOIN_TEAM ||
+		o.Type == POST_LEAVE_TEAM ||
+		o.Type == POST_ADD_TO_CHANNEL ||
+		o.Type == POST_REMOVE_FROM_CHANNEL ||
+		o.Type == POST_ADD_TO_TEAM ||
+		o.Type == POST_REMOVE_FROM_TEAM
+}
+
+func (o *Post) Patch(patch *PostPatch) {
+	if patch.IsPinned != nil {
+		o.IsPinned = *patch.IsPinned
+	}
+
+	if patch.Message != nil {
+		o.Message = *patch.Message
+	}
+
+	if patch.Props != nil {
+		newProps := *patch.Props
+		o.SetProps(newProps)
+	}
+
+	if patch.FileIds != nil {
+		o.FileIds = *patch.FileIds
+	}
+
+	if patch.HasReactions != nil {
+		o.HasReactions = *patch.HasReactions
+	}
+}
+
+func (o *PostPatch) ToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+func PostPatchFromJson(data io.Reader) *PostPatch {
+	decoder := json.NewDecoder(data)
+	var post PostPatch
+	err := decoder.Decode(&post)
+	if err != nil {
+		return nil
+	}
+
+	return &post
+}
+
+func (o *SearchParameter) SearchParameterToJson() string {
+	b, err := json.Marshal(o)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+func SearchParameterFromJson(data io.Reader) *SearchParameter {
+	decoder := json.NewDecoder(data)
+	var searchParam SearchParameter
+	err := decoder.Decode(&searchParam)
+	if err != nil {
+		return nil
+	}
+
+	return &searchParam
+}
+
+func (o *Post) ChannelMentions() []string {
+	return ChannelMentions(o.Message)
+}
+
+// DisableMentionHighlights disables a posts mention highlighting and returns the first channel mention that was present in the message.
+func (o *Post) DisableMentionHighlights() string {
+	mention, hasMentions := findAtChannelMention(o.Message)
+	if hasMentions {
+		o.AddProp(POST_PROPS_MENTION_HIGHLIGHT_DISABLED, true)
+	}
+	return mention
+}
+
+// DisableMentionHighlights disables mention highlighting for a post patch if required.
+func (o *PostPatch) DisableMentionHighlights() {
+	if _, hasMentions := findAtChannelMention(*o.Message); hasMentions {
+		if o.Props == nil {
+			o.Props = &StringInterface{}
+		}
+		(*o.Props)[POST_PROPS_MENTION_HIGHLIGHT_DISABLED] = true
+	}
+}
+
+func findAtChannelMention(message string) (mention string, found bool) {
+	re := regexp.MustCompile(`(?i)\B@(channel|all|here)\b`)
+	matched := re.FindStringSubmatch(message)
+	if found = (len(matched) > 0); found {
+		mention = strings.ToLower(matched[0])
+	}
+	return
+}
+
+func (o *Post) Attachments() []*SlackAttachment {
+	if attachments, ok := o.GetProp("attachments").([]*SlackAttachment); ok {
+		return attachments
+	}
+	var ret []*SlackAttachment
+	if attachments, ok := o.GetProp("attachments").([]interface{}); ok {
+		for _, attachment := range attachments {
+			if enc, err := json.Marshal(attachment); err == nil {
+				var decoded SlackAttachment
+				if json.Unmarshal(enc, &decoded) == nil {
+					ret = append(ret, &decoded)
+				}
+			}
+		}
+	}
+	return ret
+}
+
+func (o *Post) AttachmentsEqual(input *Post) bool {
+	attachments := o.Attachments()
+	inputAttachments := input.Attachments()
+
+	if len(attachments) != len(inputAttachments) {
+		return false
+	}
+
+	for i := range attachments {
+		if !attachments[i].Equals(inputAttachments[i]) {
+			return false
+		}
+	}
+
+	return true
+}
+
+var markdownDestinationEscaper = strings.NewReplacer(
+	`\`, `\\`,
+	`<`, `\<`,
+	`>`, `\>`,
+	`(`, `\(`,
+	`)`, `\)`,
+)
+
+// WithRewrittenImageURLs returns a new shallow copy of the post where the message has been
+// rewritten via RewriteImageURLs.
+func (o *Post) WithRewrittenImageURLs(f func(string) string) *Post {
+	copy := o.Clone()
+	copy.Message = RewriteImageURLs(o.Message, f)
+	if copy.MessageSource == "" && copy.Message != o.Message {
+		copy.MessageSource = o.Message
+	}
+	return copy
+}
+
+func (o *PostEphemeral) ToUnsanitizedJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+// RewriteImageURLs takes a message and returns a copy that has all of the image URLs replaced
+// according to the function f. For each image URL, f will be invoked, and the resulting markdown
+// will contain the URL returned by that invocation instead.
+//
+// Image URLs are destination URLs used in inline images or reference definitions that are used
+// anywhere in the input markdown as an image.
+func RewriteImageURLs(message string, f func(string) string) string {
+	if !strings.Contains(message, "![") {
+		return message
+	}
+
+	var ranges []markdown.Range
+
+	markdown.Inspect(message, func(blockOrInline interface{}) bool {
+		switch v := blockOrInline.(type) {
+		case *markdown.ReferenceImage:
+			ranges = append(ranges, v.ReferenceDefinition.RawDestination)
+		case *markdown.InlineImage:
+			ranges = append(ranges, v.RawDestination)
+		default:
+			return true
+		}
+		return true
+	})
+
+	if ranges == nil {
+		return message
+	}
+
+	sort.Slice(ranges, func(i, j int) bool {
+		return ranges[i].Position < ranges[j].Position
+	})
+
+	copyRanges := make([]markdown.Range, 0, len(ranges))
+	urls := make([]string, 0, len(ranges))
+	resultLength := len(message)
+
+	start := 0
+	for i, r := range ranges {
+		switch {
+		case i == 0:
+		case r.Position != ranges[i-1].Position:
+			start = ranges[i-1].End
+		default:
+			continue
+		}
+		original := message[r.Position:r.End]
+		replacement := markdownDestinationEscaper.Replace(f(markdown.Unescape(original)))
+		resultLength += len(replacement) - len(original)
+		copyRanges = append(copyRanges, markdown.Range{Position: start, End: r.Position})
+		urls = append(urls, replacement)
+	}
+
+	result := make([]byte, resultLength)
+
+	offset := 0
+	for i, r := range copyRanges {
+		offset += copy(result[offset:], message[r.Position:r.End])
+		offset += copy(result[offset:], urls[i])
+	}
+	copy(result[offset:], message[ranges[len(ranges)-1].End:])
+
+	return string(result)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/post_embed.go b/vendor/github.com/mattermost/mattermost-server/v5/model/post_embed.go
new file mode 100644
index 00000000..5c6efec1
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/post_embed.go
@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+const (
+	POST_EMBED_IMAGE              PostEmbedType = "image"
+	POST_EMBED_MESSAGE_ATTACHMENT PostEmbedType = "message_attachment"
+	POST_EMBED_OPENGRAPH          PostEmbedType = "opengraph"
+	POST_EMBED_LINK               PostEmbedType = "link"
+)
+
+type PostEmbedType string
+
+type PostEmbed struct {
+	Type PostEmbedType `json:"type"`
+
+	// The URL of the embedded content. Used for image and OpenGraph embeds.
+	URL string `json:"url,omitempty"`
+
+	// Any additional data for the embedded content. Only used for OpenGraph embeds.
+	Data interface{} `json:"data,omitempty"`
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/post_list.go b/vendor/github.com/mattermost/mattermost-server/v5/model/post_list.go
new file mode 100644
index 00000000..d00b68b5
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/post_list.go
@@ -0,0 +1,166 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"sort"
+)
+
+type PostList struct {
+	Order      []string         `json:"order"`
+	Posts      map[string]*Post `json:"posts"`
+	NextPostId string           `json:"next_post_id"`
+	PrevPostId string           `json:"prev_post_id"`
+}
+
+func NewPostList() *PostList {
+	return &PostList{
+		Order:      make([]string, 0),
+		Posts:      make(map[string]*Post),
+		NextPostId: "",
+		PrevPostId: "",
+	}
+}
+
+func (o *PostList) ToSlice() []*Post {
+	var posts []*Post
+	for _, id := range o.Order {
+		posts = append(posts, o.Posts[id])
+	}
+	return posts
+}
+
+func (o *PostList) WithRewrittenImageURLs(f func(string) string) *PostList {
+	copy := *o
+	copy.Posts = make(map[string]*Post)
+	for id, post := range o.Posts {
+		copy.Posts[id] = post.WithRewrittenImageURLs(f)
+	}
+	return &copy
+}
+
+func (o *PostList) StripActionIntegrations() {
+	posts := o.Posts
+	o.Posts = make(map[string]*Post)
+	for id, post := range posts {
+		pcopy := post.Clone()
+		pcopy.StripActionIntegrations()
+		o.Posts[id] = pcopy
+	}
+}
+
+func (o *PostList) ToJson() string {
+	copy := *o
+	copy.StripActionIntegrations()
+	b, err := json.Marshal(&copy)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func (o *PostList) MakeNonNil() {
+	if o.Order == nil {
+		o.Order = make([]string, 0)
+	}
+
+	if o.Posts == nil {
+		o.Posts = make(map[string]*Post)
+	}
+
+	for _, v := range o.Posts {
+		v.MakeNonNil()
+	}
+}
+
+func (o *PostList) AddOrder(id string) {
+
+	if o.Order == nil {
+		o.Order = make([]string, 0, 128)
+	}
+
+	o.Order = append(o.Order, id)
+}
+
+func (o *PostList) AddPost(post *Post) {
+
+	if o.Posts == nil {
+		o.Posts = make(map[string]*Post)
+	}
+
+	o.Posts[post.Id] = post
+}
+
+func (o *PostList) UniqueOrder() {
+	keys := make(map[string]bool)
+	order := []string{}
+	for _, postId := range o.Order {
+		if _, value := keys[postId]; !value {
+			keys[postId] = true
+			order = append(order, postId)
+		}
+	}
+
+	o.Order = order
+}
+
+func (o *PostList) Extend(other *PostList) {
+	for postId := range other.Posts {
+		o.AddPost(other.Posts[postId])
+	}
+
+	for _, postId := range other.Order {
+		o.AddOrder(postId)
+	}
+
+	o.UniqueOrder()
+}
+
+func (o *PostList) SortByCreateAt() {
+	sort.Slice(o.Order, func(i, j int) bool {
+		return o.Posts[o.Order[i]].CreateAt > o.Posts[o.Order[j]].CreateAt
+	})
+}
+
+func (o *PostList) Etag() string {
+
+	id := "0"
+	var t int64 = 0
+
+	for _, v := range o.Posts {
+		if v.UpdateAt > t {
+			t = v.UpdateAt
+			id = v.Id
+		} else if v.UpdateAt == t && v.Id > id {
+			t = v.UpdateAt
+			id = v.Id
+		}
+	}
+
+	orderId := ""
+	if len(o.Order) > 0 {
+		orderId = o.Order[0]
+	}
+
+	return Etag(orderId, id, t)
+}
+
+func (o *PostList) IsChannelId(channelId string) bool {
+	for _, v := range o.Posts {
+		if v.ChannelId != channelId {
+			return false
+		}
+	}
+
+	return true
+}
+
+func PostListFromJson(data io.Reader) *PostList {
+	var o *PostList
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/post_metadata.go b/vendor/github.com/mattermost/mattermost-server/v5/model/post_metadata.go
new file mode 100644
index 00000000..7b0687ca
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/post_metadata.go
@@ -0,0 +1,45 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+)
+
+type PostMetadata struct {
+	// Embeds holds information required to render content embedded in the post. This includes the OpenGraph metadata
+	// for links in the post.
+	Embeds []*PostEmbed `json:"embeds,omitempty"`
+
+	// Emojis holds all custom emojis used in the post or used in reaction to the post.
+	Emojis []*Emoji `json:"emojis,omitempty"`
+
+	// Files holds information about the file attachments on the post.
+	Files []*FileInfo `json:"files,omitempty"`
+
+	// Images holds the dimensions of all external images in the post as a map of the image URL to its diemsnions.
+	// This includes image embeds (when the message contains a plaintext link to an image), Markdown images, images
+	// contained in the OpenGraph metadata, and images contained in message attachments. It does not contain
+	// the dimensions of any file attachments as those are stored in FileInfos.
+	Images map[string]*PostImage `json:"images,omitempty"`
+
+	// Reactions holds reactions made to the post.
+	Reactions []*Reaction `json:"reactions,omitempty"`
+}
+
+type PostImage struct {
+	Width  int `json:"width"`
+	Height int `json:"height"`
+
+	// Format is the name of the image format as used by image/go such as "png", "gif", or "jpeg".
+	Format string `json:"format"`
+
+	// FrameCount stores the number of frames in this image, if it is an animated gif. It will be 0 for other formats.
+	FrameCount int `json:"frame_count"`
+}
+
+func (o *PostImage) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/post_search_results.go b/vendor/github.com/mattermost/mattermost-server/v5/model/post_search_results.go
new file mode 100644
index 00000000..74ef4b52
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/post_search_results.go
@@ -0,0 +1,40 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type PostSearchMatches map[string][]string
+
+type PostSearchResults struct {
+	*PostList
+	Matches PostSearchMatches `json:"matches"`
+}
+
+func MakePostSearchResults(posts *PostList, matches PostSearchMatches) *PostSearchResults {
+	return &PostSearchResults{
+		posts,
+		matches,
+	}
+}
+
+func (o *PostSearchResults) ToJson() string {
+	copy := *o
+	copy.PostList.StripActionIntegrations()
+	b, err := json.Marshal(&copy)
+	if err != nil {
+		return ""
+	} else {
+		return string(b)
+	}
+}
+
+func PostSearchResultsFromJson(data io.Reader) *PostSearchResults {
+	var o *PostSearchResults
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/preference.go b/vendor/github.com/mattermost/mattermost-server/v5/model/preference.go
new file mode 100644
index 00000000..346f88f8
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/preference.go
@@ -0,0 +1,123 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	PREFERENCE_CATEGORY_DIRECT_CHANNEL_SHOW = "direct_channel_show"
+	PREFERENCE_CATEGORY_TUTORIAL_STEPS      = "tutorial_step"
+	PREFERENCE_CATEGORY_ADVANCED_SETTINGS   = "advanced_settings"
+	PREFERENCE_CATEGORY_FLAGGED_POST        = "flagged_post"
+	PREFERENCE_CATEGORY_FAVORITE_CHANNEL    = "favorite_channel"
+	PREFERENCE_CATEGORY_SIDEBAR_SETTINGS    = "sidebar_settings"
+
+	PREFERENCE_CATEGORY_DISPLAY_SETTINGS = "display_settings"
+	PREFERENCE_NAME_CHANNEL_DISPLAY_MODE = "channel_display_mode"
+	PREFERENCE_NAME_COLLAPSE_SETTING     = "collapse_previews"
+	PREFERENCE_NAME_MESSAGE_DISPLAY      = "message_display"
+	PREFERENCE_NAME_NAME_FORMAT          = "name_format"
+	PREFERENCE_NAME_USE_MILITARY_TIME    = "use_military_time"
+
+	PREFERENCE_CATEGORY_THEME = "theme"
+	// the name for theme props is the team id
+
+	PREFERENCE_CATEGORY_AUTHORIZED_OAUTH_APP = "oauth_app"
+	// the name for oauth_app is the client_id and value is the current scope
+
+	PREFERENCE_CATEGORY_LAST     = "last"
+	PREFERENCE_NAME_LAST_CHANNEL = "channel"
+	PREFERENCE_NAME_LAST_TEAM    = "team"
+
+	PREFERENCE_CATEGORY_NOTIFICATIONS = "notifications"
+	PREFERENCE_NAME_EMAIL_INTERVAL    = "email_interval"
+
+	PREFERENCE_EMAIL_INTERVAL_NO_BATCHING_SECONDS = "30"  // the "immediate" setting is actually 30s
+	PREFERENCE_EMAIL_INTERVAL_BATCHING_SECONDS    = "900" // fifteen minutes is 900 seconds
+	PREFERENCE_EMAIL_INTERVAL_IMMEDIATELY         = "immediately"
+	PREFERENCE_EMAIL_INTERVAL_FIFTEEN             = "fifteen"
+	PREFERENCE_EMAIL_INTERVAL_FIFTEEN_AS_SECONDS  = "900"
+	PREFERENCE_EMAIL_INTERVAL_HOUR                = "hour"
+	PREFERENCE_EMAIL_INTERVAL_HOUR_AS_SECONDS     = "3600"
+)
+
+type Preference struct {
+	UserId   string `json:"user_id"`
+	Category string `json:"category"`
+	Name     string `json:"name"`
+	Value    string `json:"value"`
+}
+
+func (o *Preference) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func PreferenceFromJson(data io.Reader) *Preference {
+	var o *Preference
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *Preference) IsValid() *AppError {
+	if !IsValidId(o.UserId) {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.id.app_error", nil, "user_id="+o.UserId, http.StatusBadRequest)
+	}
+
+	if len(o.Category) == 0 || len(o.Category) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.category.app_error", nil, "category="+o.Category, http.StatusBadRequest)
+	}
+
+	if len(o.Name) > 32 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.name.app_error", nil, "name="+o.Name, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.Value) > 2000 {
+		return NewAppError("Preference.IsValid", "model.preference.is_valid.value.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+	}
+
+	if o.Category == PREFERENCE_CATEGORY_THEME {
+		var unused map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&unused); err != nil {
+			return NewAppError("Preference.IsValid", "model.preference.is_valid.theme.app_error", nil, "value="+o.Value, http.StatusBadRequest)
+		}
+	}
+
+	return nil
+}
+
+func (o *Preference) PreUpdate() {
+	if o.Category == PREFERENCE_CATEGORY_THEME {
+		// decode the value of theme (a map of strings to string) and eliminate any invalid values
+		var props map[string]string
+		if err := json.NewDecoder(strings.NewReader(o.Value)).Decode(&props); err != nil {
+			// just continue, the invalid preference value should get caught by IsValid before saving
+			return
+		}
+
+		colorPattern := regexp.MustCompile(`^#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?$`)
+
+		// blank out any invalid theme values
+		for name, value := range props {
+			if name == "image" || name == "type" || name == "codeTheme" {
+				continue
+			}
+
+			if !colorPattern.MatchString(value) {
+				props[name] = "#ffffff"
+			}
+		}
+
+		if b, err := json.Marshal(props); err == nil {
+			o.Value = string(b)
+		}
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/preferences.go b/vendor/github.com/mattermost/mattermost-server/v5/model/preferences.go
new file mode 100644
index 00000000..6ed845b6
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/preferences.go
@@ -0,0 +1,27 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type Preferences []Preference
+
+func (o *Preferences) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func PreferencesFromJson(data io.Reader) (Preferences, error) {
+	decoder := json.NewDecoder(data)
+	var o Preferences
+	err := decoder.Decode(&o)
+	if err == nil {
+		return o, nil
+	} else {
+		return nil, err
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/push_notification.go b/vendor/github.com/mattermost/mattermost-server/v5/model/push_notification.go
new file mode 100644
index 00000000..5b0118ce
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/push_notification.go
@@ -0,0 +1,117 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"strings"
+)
+
+const (
+	PUSH_NOTIFY_APPLE                = "apple"
+	PUSH_NOTIFY_ANDROID              = "android"
+	PUSH_NOTIFY_APPLE_REACT_NATIVE   = "apple_rn"
+	PUSH_NOTIFY_ANDROID_REACT_NATIVE = "android_rn"
+
+	PUSH_TYPE_MESSAGE      = "message"
+	PUSH_TYPE_CLEAR        = "clear"
+	PUSH_TYPE_UPDATE_BADGE = "update_badge"
+	PUSH_MESSAGE_V2        = "v2"
+
+	PUSH_SOUND_NONE = "none"
+
+	// The category is set to handle a set of interactive Actions
+	// with the push notifications
+	CATEGORY_CAN_REPLY = "CAN_REPLY"
+
+	MHPNS = "https://push.mattermost.com"
+
+	PUSH_SEND_PREPARE = "Prepared to send"
+	PUSH_SEND_SUCCESS = "Successful"
+	PUSH_NOT_SENT     = "Not Sent due to preferences"
+	PUSH_RECEIVED     = "Received by device"
+)
+
+type PushNotificationAck struct {
+	Id               string `json:"id"`
+	ClientReceivedAt int64  `json:"received_at"`
+	ClientPlatform   string `json:"platform"`
+	NotificationType string `json:"type"`
+	PostId           string `json:"post_id,omitempty"`
+	IsIdLoaded       bool   `json:"is_id_loaded"`
+}
+
+type PushNotification struct {
+	AckId            string `json:"ack_id"`
+	Platform         string `json:"platform"`
+	ServerId         string `json:"server_id"`
+	DeviceId         string `json:"device_id"`
+	PostId           string `json:"post_id"`
+	Category         string `json:"category,omitempty"`
+	Sound            string `json:"sound,omitempty"`
+	Message          string `json:"message,omitempty"`
+	Badge            int    `json:"badge,omitempty"`
+	ContentAvailable int    `json:"cont_ava,omitempty"`
+	TeamId           string `json:"team_id,omitempty"`
+	ChannelId        string `json:"channel_id,omitempty"`
+	RootId           string `json:"root_id,omitempty"`
+	ChannelName      string `json:"channel_name,omitempty"`
+	Type             string `json:"type,omitempty"`
+	SenderId         string `json:"sender_id,omitempty"`
+	SenderName       string `json:"sender_name,omitempty"`
+	OverrideUsername string `json:"override_username,omitempty"`
+	OverrideIconUrl  string `json:"override_icon_url,omitempty"`
+	FromWebhook      string `json:"from_webhook,omitempty"`
+	Version          string `json:"version,omitempty"`
+	IsIdLoaded       bool   `json:"is_id_loaded"`
+}
+
+func (me *PushNotification) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func (me *PushNotification) DeepCopy() *PushNotification {
+	copy := *me
+	return &copy
+}
+
+func (me *PushNotification) SetDeviceIdAndPlatform(deviceId string) {
+
+	index := strings.Index(deviceId, ":")
+
+	if index > -1 {
+		me.Platform = deviceId[:index]
+		me.DeviceId = deviceId[index+1:]
+	}
+}
+
+func PushNotificationFromJson(data io.Reader) (*PushNotification, error) {
+	if data == nil {
+		return nil, errors.New("push notification data can't be nil")
+	}
+	var me *PushNotification
+	if err := json.NewDecoder(data).Decode(&me); err != nil {
+		return nil, err
+	}
+	return me, nil
+}
+
+func PushNotificationAckFromJson(data io.Reader) (*PushNotificationAck, error) {
+	if data == nil {
+		return nil, errors.New("push notification data can't be nil")
+	}
+	var ack *PushNotificationAck
+	if err := json.NewDecoder(data).Decode(&ack); err != nil {
+		return nil, err
+	}
+	return ack, nil
+}
+
+func (ack *PushNotificationAck) ToJson() string {
+	b, _ := json.Marshal(ack)
+	return string(b)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/push_response.go b/vendor/github.com/mattermost/mattermost-server/v5/model/push_response.go
new file mode 100644
index 00000000..e6e8059b
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/push_response.go
@@ -0,0 +1,54 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	PUSH_STATUS           = "status"
+	PUSH_STATUS_OK        = "OK"
+	PUSH_STATUS_FAIL      = "FAIL"
+	PUSH_STATUS_REMOVE    = "REMOVE"
+	PUSH_STATUS_ERROR_MSG = "error"
+)
+
+type PushResponse map[string]string
+
+func NewOkPushResponse() PushResponse {
+	m := make(map[string]string)
+	m[PUSH_STATUS] = PUSH_STATUS_OK
+	return m
+}
+
+func NewRemovePushResponse() PushResponse {
+	m := make(map[string]string)
+	m[PUSH_STATUS] = PUSH_STATUS_REMOVE
+	return m
+}
+
+func NewErrorPushResponse(message string) PushResponse {
+	m := make(map[string]string)
+	m[PUSH_STATUS] = PUSH_STATUS_FAIL
+	m[PUSH_STATUS_ERROR_MSG] = message
+	return m
+}
+
+func (me *PushResponse) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func PushResponseFromJson(data io.Reader) PushResponse {
+	decoder := json.NewDecoder(data)
+
+	var objmap PushResponse
+	if err := decoder.Decode(&objmap); err != nil {
+		return make(map[string]string)
+	} else {
+		return objmap
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/reaction.go b/vendor/github.com/mattermost/mattermost-server/v5/model/reaction.go
new file mode 100644
index 00000000..50879c67
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/reaction.go
@@ -0,0 +1,92 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"regexp"
+)
+
+type Reaction struct {
+	UserId    string `json:"user_id"`
+	PostId    string `json:"post_id"`
+	EmojiName string `json:"emoji_name"`
+	CreateAt  int64  `json:"create_at"`
+}
+
+func (o *Reaction) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func ReactionFromJson(data io.Reader) *Reaction {
+	var o Reaction
+
+	if err := json.NewDecoder(data).Decode(&o); err != nil {
+		return nil
+	} else {
+		return &o
+	}
+}
+
+func ReactionsToJson(o []*Reaction) string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func MapPostIdToReactionsToJson(o map[string][]*Reaction) string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func MapPostIdToReactionsFromJson(data io.Reader) map[string][]*Reaction {
+	decoder := json.NewDecoder(data)
+
+	var objmap map[string][]*Reaction
+	if err := decoder.Decode(&objmap); err != nil {
+		return make(map[string][]*Reaction)
+	} else {
+		return objmap
+	}
+}
+
+func ReactionsFromJson(data io.Reader) []*Reaction {
+	var o []*Reaction
+
+	if err := json.NewDecoder(data).Decode(&o); err != nil {
+		return nil
+	} else {
+		return o
+	}
+}
+
+func (o *Reaction) IsValid() *AppError {
+	if !IsValidId(o.UserId) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.user_id.app_error", nil, "user_id="+o.UserId, http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.PostId) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.post_id.app_error", nil, "post_id="+o.PostId, http.StatusBadRequest)
+	}
+
+	validName := regexp.MustCompile(`^[a-zA-Z0-9\-\+_]+$`)
+
+	if len(o.EmojiName) == 0 || len(o.EmojiName) > EMOJI_NAME_MAX_LENGTH || !validName.MatchString(o.EmojiName) {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.emoji_name.app_error", nil, "emoji_name="+o.EmojiName, http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Reaction.IsValid", "model.reaction.is_valid.create_at.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Reaction) PreSave() {
+	if o.CreateAt == 0 {
+		o.CreateAt = GetMillis()
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/role.go b/vendor/github.com/mattermost/mattermost-server/v5/model/role.go
new file mode 100644
index 00000000..38ac1ef7
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/role.go
@@ -0,0 +1,632 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"strings"
+)
+
+var BuiltInSchemeManagedRoleIDs []string
+
+func init() {
+	BuiltInSchemeManagedRoleIDs = []string{
+		SYSTEM_GUEST_ROLE_ID,
+		SYSTEM_USER_ROLE_ID,
+		SYSTEM_ADMIN_ROLE_ID,
+		SYSTEM_POST_ALL_ROLE_ID,
+		SYSTEM_POST_ALL_PUBLIC_ROLE_ID,
+		SYSTEM_USER_ACCESS_TOKEN_ROLE_ID,
+
+		TEAM_GUEST_ROLE_ID,
+		TEAM_USER_ROLE_ID,
+		TEAM_ADMIN_ROLE_ID,
+		TEAM_POST_ALL_ROLE_ID,
+		TEAM_POST_ALL_PUBLIC_ROLE_ID,
+
+		CHANNEL_GUEST_ROLE_ID,
+		CHANNEL_USER_ROLE_ID,
+		CHANNEL_ADMIN_ROLE_ID,
+	}
+}
+
+type RoleType string
+type RoleScope string
+
+const (
+	SYSTEM_GUEST_ROLE_ID             = "system_guest"
+	SYSTEM_USER_ROLE_ID              = "system_user"
+	SYSTEM_ADMIN_ROLE_ID             = "system_admin"
+	SYSTEM_POST_ALL_ROLE_ID          = "system_post_all"
+	SYSTEM_POST_ALL_PUBLIC_ROLE_ID   = "system_post_all_public"
+	SYSTEM_USER_ACCESS_TOKEN_ROLE_ID = "system_user_access_token"
+
+	TEAM_GUEST_ROLE_ID           = "team_guest"
+	TEAM_USER_ROLE_ID            = "team_user"
+	TEAM_ADMIN_ROLE_ID           = "team_admin"
+	TEAM_POST_ALL_ROLE_ID        = "team_post_all"
+	TEAM_POST_ALL_PUBLIC_ROLE_ID = "team_post_all_public"
+
+	CHANNEL_GUEST_ROLE_ID = "channel_guest"
+	CHANNEL_USER_ROLE_ID  = "channel_user"
+	CHANNEL_ADMIN_ROLE_ID = "channel_admin"
+
+	ROLE_NAME_MAX_LENGTH         = 64
+	ROLE_DISPLAY_NAME_MAX_LENGTH = 128
+	ROLE_DESCRIPTION_MAX_LENGTH  = 1024
+
+	RoleScopeSystem  RoleScope = "System"
+	RoleScopeTeam    RoleScope = "Team"
+	RoleScopeChannel RoleScope = "Channel"
+
+	RoleTypeGuest RoleType = "Guest"
+	RoleTypeUser  RoleType = "User"
+	RoleTypeAdmin RoleType = "Admin"
+)
+
+type Role struct {
+	Id            string   `json:"id"`
+	Name          string   `json:"name"`
+	DisplayName   string   `json:"display_name"`
+	Description   string   `json:"description"`
+	CreateAt      int64    `json:"create_at"`
+	UpdateAt      int64    `json:"update_at"`
+	DeleteAt      int64    `json:"delete_at"`
+	Permissions   []string `json:"permissions"`
+	SchemeManaged bool     `json:"scheme_managed"`
+	BuiltIn       bool     `json:"built_in"`
+}
+
+type RolePatch struct {
+	Permissions *[]string `json:"permissions"`
+}
+
+type RolePermissions struct {
+	RoleID      string
+	Permissions []string
+}
+
+func (r *Role) ToJson() string {
+	b, _ := json.Marshal(r)
+	return string(b)
+}
+
+func RoleFromJson(data io.Reader) *Role {
+	var r *Role
+	json.NewDecoder(data).Decode(&r)
+	return r
+}
+
+func RoleListToJson(r []*Role) string {
+	b, _ := json.Marshal(r)
+	return string(b)
+}
+
+func RoleListFromJson(data io.Reader) []*Role {
+	var roles []*Role
+	json.NewDecoder(data).Decode(&roles)
+	return roles
+}
+
+func (r *RolePatch) ToJson() string {
+	b, _ := json.Marshal(r)
+	return string(b)
+}
+
+func RolePatchFromJson(data io.Reader) *RolePatch {
+	var rolePatch *RolePatch
+	json.NewDecoder(data).Decode(&rolePatch)
+	return rolePatch
+}
+
+func (r *Role) Patch(patch *RolePatch) {
+	if patch.Permissions != nil {
+		r.Permissions = *patch.Permissions
+	}
+}
+
+// MergeChannelHigherScopedPermissions is meant to be invoked on a channel scheme's role and merges the higher-scoped
+// channel role's permissions.
+func (r *Role) MergeChannelHigherScopedPermissions(higherScopedPermissions *RolePermissions) {
+	mergedPermissions := []string{}
+
+	higherScopedPermissionsMap := AsStringBoolMap(higherScopedPermissions.Permissions)
+	rolePermissionsMap := AsStringBoolMap(r.Permissions)
+
+	for _, cp := range ALL_PERMISSIONS {
+		if cp.Scope != PERMISSION_SCOPE_CHANNEL {
+			continue
+		}
+
+		_, presentOnHigherScope := higherScopedPermissionsMap[cp.Id]
+
+		// For the channel admin role always look to the higher scope to determine if the role has ther permission.
+		// The channel admin is a special case because they're not part of the UI to be "channel moderated", only
+		// channel members and channel guests are.
+		if higherScopedPermissions.RoleID == CHANNEL_ADMIN_ROLE_ID && presentOnHigherScope {
+			mergedPermissions = append(mergedPermissions, cp.Id)
+			continue
+		}
+
+		_, permissionIsModerated := CHANNEL_MODERATED_PERMISSIONS_MAP[cp.Id]
+		if permissionIsModerated {
+			_, presentOnRole := rolePermissionsMap[cp.Id]
+			if presentOnRole && presentOnHigherScope {
+				mergedPermissions = append(mergedPermissions, cp.Id)
+			}
+		} else {
+			if presentOnHigherScope {
+				mergedPermissions = append(mergedPermissions, cp.Id)
+			}
+		}
+	}
+
+	r.Permissions = mergedPermissions
+}
+
+// Returns an array of permissions that are in either role.Permissions
+// or patch.Permissions, but not both.
+func PermissionsChangedByPatch(role *Role, patch *RolePatch) []string {
+	var result []string
+
+	if patch.Permissions == nil {
+		return result
+	}
+
+	roleMap := make(map[string]bool)
+	patchMap := make(map[string]bool)
+
+	for _, permission := range role.Permissions {
+		roleMap[permission] = true
+	}
+
+	for _, permission := range *patch.Permissions {
+		patchMap[permission] = true
+	}
+
+	for _, permission := range role.Permissions {
+		if !patchMap[permission] {
+			result = append(result, permission)
+		}
+	}
+
+	for _, permission := range *patch.Permissions {
+		if !roleMap[permission] {
+			result = append(result, permission)
+		}
+	}
+
+	return result
+}
+
+func ChannelModeratedPermissionsChangedByPatch(role *Role, patch *RolePatch) []string {
+	var result []string
+
+	if role == nil {
+		return result
+	}
+
+	if patch.Permissions == nil {
+		return result
+	}
+
+	roleMap := make(map[string]bool)
+	patchMap := make(map[string]bool)
+
+	for _, permission := range role.Permissions {
+		if channelModeratedPermissionName, found := CHANNEL_MODERATED_PERMISSIONS_MAP[permission]; found {
+			roleMap[channelModeratedPermissionName] = true
+		}
+	}
+
+	for _, permission := range *patch.Permissions {
+		if channelModeratedPermissionName, found := CHANNEL_MODERATED_PERMISSIONS_MAP[permission]; found {
+			patchMap[channelModeratedPermissionName] = true
+		}
+	}
+
+	for permissionKey := range roleMap {
+		if !patchMap[permissionKey] {
+			result = append(result, permissionKey)
+		}
+	}
+
+	for permissionKey := range patchMap {
+		if !roleMap[permissionKey] {
+			result = append(result, permissionKey)
+		}
+	}
+
+	return result
+}
+
+// GetChannelModeratedPermissions returns a map of channel moderated permissions that the role has access to
+func (r *Role) GetChannelModeratedPermissions(channelType string) map[string]bool {
+	moderatedPermissions := make(map[string]bool)
+	for _, permission := range r.Permissions {
+		if _, found := CHANNEL_MODERATED_PERMISSIONS_MAP[permission]; !found {
+			continue
+		}
+
+		for moderated, moderatedPermissionValue := range CHANNEL_MODERATED_PERMISSIONS_MAP {
+			// the moderated permission has already been found to be true so skip this iteration
+			if moderatedPermissions[moderatedPermissionValue] {
+				continue
+			}
+
+			if moderated == permission {
+				// Special case where the channel moderated permission for `manage_members` is different depending on whether the channel is private or public
+				if moderated == PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS.Id || moderated == PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS.Id {
+					canManagePublic := channelType == CHANNEL_OPEN && moderated == PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS.Id
+					canManagePrivate := channelType == CHANNEL_PRIVATE && moderated == PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS.Id
+					moderatedPermissions[moderatedPermissionValue] = canManagePublic || canManagePrivate
+				} else {
+					moderatedPermissions[moderatedPermissionValue] = true
+				}
+			}
+		}
+	}
+
+	return moderatedPermissions
+}
+
+// RolePatchFromChannelModerationsPatch Creates and returns a RolePatch based on a slice of ChannelModerationPatchs, roleName is expected to be either "members" or "guests".
+func (r *Role) RolePatchFromChannelModerationsPatch(channelModerationsPatch []*ChannelModerationPatch, roleName string) *RolePatch {
+	permissionsToAddToPatch := make(map[string]bool)
+
+	// Iterate through the list of existing permissions on the role and append permissions that we want to keep.
+	for _, permission := range r.Permissions {
+		// Permission is not moderated so dont add it to the patch and skip the channelModerationsPatch
+		if _, isModerated := CHANNEL_MODERATED_PERMISSIONS_MAP[permission]; !isModerated {
+			continue
+		}
+
+		permissionEnabled := true
+		// Check if permission has a matching moderated permission name inside the channel moderation patch
+		for _, channelModerationPatch := range channelModerationsPatch {
+			if *channelModerationPatch.Name == CHANNEL_MODERATED_PERMISSIONS_MAP[permission] {
+				// Permission key exists in patch with a value of false so skip over it
+				if roleName == "members" {
+					if channelModerationPatch.Roles.Members != nil && !*channelModerationPatch.Roles.Members {
+						permissionEnabled = false
+					}
+				} else if roleName == "guests" {
+					if channelModerationPatch.Roles.Guests != nil && !*channelModerationPatch.Roles.Guests {
+						permissionEnabled = false
+					}
+				}
+			}
+		}
+
+		if permissionEnabled {
+			permissionsToAddToPatch[permission] = true
+		}
+	}
+
+	// Iterate through the patch and add any permissions that dont already exist on the role
+	for _, channelModerationPatch := range channelModerationsPatch {
+		for permission, moderatedPermissionName := range CHANNEL_MODERATED_PERMISSIONS_MAP {
+			if roleName == "members" && channelModerationPatch.Roles.Members != nil && *channelModerationPatch.Roles.Members && *channelModerationPatch.Name == moderatedPermissionName {
+				permissionsToAddToPatch[permission] = true
+			}
+
+			if roleName == "guests" && channelModerationPatch.Roles.Guests != nil && *channelModerationPatch.Roles.Guests && *channelModerationPatch.Name == moderatedPermissionName {
+				permissionsToAddToPatch[permission] = true
+			}
+		}
+	}
+
+	patchPermissions := make([]string, 0, len(permissionsToAddToPatch))
+	for permission := range permissionsToAddToPatch {
+		patchPermissions = append(patchPermissions, permission)
+	}
+
+	return &RolePatch{Permissions: &patchPermissions}
+}
+
+func (r *Role) IsValid() bool {
+	if !IsValidId(r.Id) {
+		return false
+	}
+
+	return r.IsValidWithoutId()
+}
+
+func (r *Role) IsValidWithoutId() bool {
+	if !IsValidRoleName(r.Name) {
+		return false
+	}
+
+	if len(r.DisplayName) == 0 || len(r.DisplayName) > ROLE_DISPLAY_NAME_MAX_LENGTH {
+		return false
+	}
+
+	if len(r.Description) > ROLE_DESCRIPTION_MAX_LENGTH {
+		return false
+	}
+
+	for _, permission := range r.Permissions {
+		permissionValidated := false
+		for _, p := range ALL_PERMISSIONS {
+			if permission == p.Id {
+				permissionValidated = true
+				break
+			}
+		}
+
+		if !permissionValidated {
+			return false
+		}
+	}
+
+	return true
+}
+
+func IsValidRoleName(roleName string) bool {
+	if len(roleName) <= 0 || len(roleName) > ROLE_NAME_MAX_LENGTH {
+		return false
+	}
+
+	if strings.TrimLeft(roleName, "abcdefghijklmnopqrstuvwxyz0123456789_") != "" {
+		return false
+	}
+
+	return true
+}
+
+func MakeDefaultRoles() map[string]*Role {
+	roles := make(map[string]*Role)
+
+	roles[CHANNEL_GUEST_ROLE_ID] = &Role{
+		Name:        "channel_guest",
+		DisplayName: "authentication.roles.channel_guest.name",
+		Description: "authentication.roles.channel_guest.description",
+		Permissions: []string{
+			PERMISSION_READ_CHANNEL.Id,
+			PERMISSION_ADD_REACTION.Id,
+			PERMISSION_REMOVE_REACTION.Id,
+			PERMISSION_UPLOAD_FILE.Id,
+			PERMISSION_EDIT_POST.Id,
+			PERMISSION_CREATE_POST.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+			PERMISSION_USE_SLASH_COMMANDS.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[CHANNEL_USER_ROLE_ID] = &Role{
+		Name:        "channel_user",
+		DisplayName: "authentication.roles.channel_user.name",
+		Description: "authentication.roles.channel_user.description",
+		Permissions: []string{
+			PERMISSION_READ_CHANNEL.Id,
+			PERMISSION_ADD_REACTION.Id,
+			PERMISSION_REMOVE_REACTION.Id,
+			PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS.Id,
+			PERMISSION_UPLOAD_FILE.Id,
+			PERMISSION_GET_PUBLIC_LINK.Id,
+			PERMISSION_CREATE_POST.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+			PERMISSION_USE_SLASH_COMMANDS.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[CHANNEL_ADMIN_ROLE_ID] = &Role{
+		Name:        "channel_admin",
+		DisplayName: "authentication.roles.channel_admin.name",
+		Description: "authentication.roles.channel_admin.description",
+		Permissions: []string{
+			PERMISSION_MANAGE_CHANNEL_ROLES.Id,
+			PERMISSION_USE_GROUP_MENTIONS.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TEAM_GUEST_ROLE_ID] = &Role{
+		Name:        "team_guest",
+		DisplayName: "authentication.roles.team_guest.name",
+		Description: "authentication.roles.team_guest.description",
+		Permissions: []string{
+			PERMISSION_VIEW_TEAM.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TEAM_USER_ROLE_ID] = &Role{
+		Name:        "team_user",
+		DisplayName: "authentication.roles.team_user.name",
+		Description: "authentication.roles.team_user.description",
+		Permissions: []string{
+			PERMISSION_LIST_TEAM_CHANNELS.Id,
+			PERMISSION_JOIN_PUBLIC_CHANNELS.Id,
+			PERMISSION_READ_PUBLIC_CHANNEL.Id,
+			PERMISSION_VIEW_TEAM.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[TEAM_POST_ALL_ROLE_ID] = &Role{
+		Name:        "team_post_all",
+		DisplayName: "authentication.roles.team_post_all.name",
+		Description: "authentication.roles.team_post_all.description",
+		Permissions: []string{
+			PERMISSION_CREATE_POST.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[TEAM_POST_ALL_PUBLIC_ROLE_ID] = &Role{
+		Name:        "team_post_all_public",
+		DisplayName: "authentication.roles.team_post_all_public.name",
+		Description: "authentication.roles.team_post_all_public.description",
+		Permissions: []string{
+			PERMISSION_CREATE_POST_PUBLIC.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[TEAM_ADMIN_ROLE_ID] = &Role{
+		Name:        "team_admin",
+		DisplayName: "authentication.roles.team_admin.name",
+		Description: "authentication.roles.team_admin.description",
+		Permissions: []string{
+			PERMISSION_REMOVE_USER_FROM_TEAM.Id,
+			PERMISSION_MANAGE_TEAM.Id,
+			PERMISSION_IMPORT_TEAM.Id,
+			PERMISSION_MANAGE_TEAM_ROLES.Id,
+			PERMISSION_MANAGE_CHANNEL_ROLES.Id,
+			PERMISSION_MANAGE_OTHERS_INCOMING_WEBHOOKS.Id,
+			PERMISSION_MANAGE_OTHERS_OUTGOING_WEBHOOKS.Id,
+			PERMISSION_MANAGE_SLASH_COMMANDS.Id,
+			PERMISSION_MANAGE_OTHERS_SLASH_COMMANDS.Id,
+			PERMISSION_MANAGE_INCOMING_WEBHOOKS.Id,
+			PERMISSION_MANAGE_OUTGOING_WEBHOOKS.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_GUEST_ROLE_ID] = &Role{
+		Name:        "system_guest",
+		DisplayName: "authentication.roles.global_guest.name",
+		Description: "authentication.roles.global_guest.description",
+		Permissions: []string{
+			PERMISSION_CREATE_DIRECT_CHANNEL.Id,
+			PERMISSION_CREATE_GROUP_CHANNEL.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_USER_ROLE_ID] = &Role{
+		Name:        "system_user",
+		DisplayName: "authentication.roles.global_user.name",
+		Description: "authentication.roles.global_user.description",
+		Permissions: []string{
+			PERMISSION_LIST_PUBLIC_TEAMS.Id,
+			PERMISSION_JOIN_PUBLIC_TEAMS.Id,
+			PERMISSION_CREATE_DIRECT_CHANNEL.Id,
+			PERMISSION_CREATE_GROUP_CHANNEL.Id,
+			PERMISSION_VIEW_MEMBERS.Id,
+		},
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_POST_ALL_ROLE_ID] = &Role{
+		Name:        "system_post_all",
+		DisplayName: "authentication.roles.system_post_all.name",
+		Description: "authentication.roles.system_post_all.description",
+		Permissions: []string{
+			PERMISSION_CREATE_POST.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_POST_ALL_PUBLIC_ROLE_ID] = &Role{
+		Name:        "system_post_all_public",
+		DisplayName: "authentication.roles.system_post_all_public.name",
+		Description: "authentication.roles.system_post_all_public.description",
+		Permissions: []string{
+			PERMISSION_CREATE_POST_PUBLIC.Id,
+			PERMISSION_USE_CHANNEL_MENTIONS.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_USER_ACCESS_TOKEN_ROLE_ID] = &Role{
+		Name:        "system_user_access_token",
+		DisplayName: "authentication.roles.system_user_access_token.name",
+		Description: "authentication.roles.system_user_access_token.description",
+		Permissions: []string{
+			PERMISSION_CREATE_USER_ACCESS_TOKEN.Id,
+			PERMISSION_READ_USER_ACCESS_TOKEN.Id,
+			PERMISSION_REVOKE_USER_ACCESS_TOKEN.Id,
+		},
+		SchemeManaged: false,
+		BuiltIn:       true,
+	}
+
+	roles[SYSTEM_ADMIN_ROLE_ID] = &Role{
+		Name:        "system_admin",
+		DisplayName: "authentication.roles.global_admin.name",
+		Description: "authentication.roles.global_admin.description",
+		// System admins can do anything channel and team admins can do
+		// plus everything members of teams and channels can do to all teams
+		// and channels on the system
+		Permissions: append(
+			append(
+				append(
+					append(
+						[]string{
+							PERMISSION_ASSIGN_SYSTEM_ADMIN_ROLE.Id,
+							PERMISSION_MANAGE_SYSTEM.Id,
+							PERMISSION_MANAGE_ROLES.Id,
+							PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES.Id,
+							PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS.Id,
+							PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS.Id,
+							PERMISSION_DELETE_PUBLIC_CHANNEL.Id,
+							PERMISSION_CREATE_PUBLIC_CHANNEL.Id,
+							PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES.Id,
+							PERMISSION_DELETE_PRIVATE_CHANNEL.Id,
+							PERMISSION_CREATE_PRIVATE_CHANNEL.Id,
+							PERMISSION_MANAGE_SYSTEM_WIDE_OAUTH.Id,
+							PERMISSION_MANAGE_OTHERS_INCOMING_WEBHOOKS.Id,
+							PERMISSION_MANAGE_OTHERS_OUTGOING_WEBHOOKS.Id,
+							PERMISSION_EDIT_OTHER_USERS.Id,
+							PERMISSION_EDIT_OTHERS_POSTS.Id,
+							PERMISSION_MANAGE_OAUTH.Id,
+							PERMISSION_INVITE_USER.Id,
+							PERMISSION_INVITE_GUEST.Id,
+							PERMISSION_PROMOTE_GUEST.Id,
+							PERMISSION_DEMOTE_TO_GUEST.Id,
+							PERMISSION_DELETE_POST.Id,
+							PERMISSION_DELETE_OTHERS_POSTS.Id,
+							PERMISSION_CREATE_TEAM.Id,
+							PERMISSION_ADD_USER_TO_TEAM.Id,
+							PERMISSION_LIST_USERS_WITHOUT_TEAM.Id,
+							PERMISSION_MANAGE_JOBS.Id,
+							PERMISSION_CREATE_POST_PUBLIC.Id,
+							PERMISSION_CREATE_POST_EPHEMERAL.Id,
+							PERMISSION_CREATE_USER_ACCESS_TOKEN.Id,
+							PERMISSION_READ_USER_ACCESS_TOKEN.Id,
+							PERMISSION_REVOKE_USER_ACCESS_TOKEN.Id,
+							PERMISSION_CREATE_BOT.Id,
+							PERMISSION_READ_BOTS.Id,
+							PERMISSION_READ_OTHERS_BOTS.Id,
+							PERMISSION_MANAGE_BOTS.Id,
+							PERMISSION_MANAGE_OTHERS_BOTS.Id,
+							PERMISSION_REMOVE_OTHERS_REACTIONS.Id,
+							PERMISSION_LIST_PRIVATE_TEAMS.Id,
+							PERMISSION_JOIN_PRIVATE_TEAMS.Id,
+							PERMISSION_VIEW_MEMBERS.Id,
+						},
+						roles[TEAM_USER_ROLE_ID].Permissions...,
+					),
+					roles[CHANNEL_USER_ROLE_ID].Permissions...,
+				),
+				roles[TEAM_ADMIN_ROLE_ID].Permissions...,
+			),
+			roles[CHANNEL_ADMIN_ROLE_ID].Permissions...,
+		),
+		SchemeManaged: true,
+		BuiltIn:       true,
+	}
+
+	return roles
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/saml.go b/vendor/github.com/mattermost/mattermost-server/v5/model/saml.go
new file mode 100644
index 00000000..59ac2acc
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/saml.go
@@ -0,0 +1,199 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"encoding/xml"
+	"io"
+	"time"
+)
+
+const (
+	USER_AUTH_SERVICE_SAML      = "saml"
+	USER_AUTH_SERVICE_SAML_TEXT = "SAML"
+	USER_AUTH_SERVICE_IS_SAML   = "isSaml"
+	USER_AUTH_SERVICE_IS_MOBILE = "isMobile"
+)
+
+type SamlAuthRequest struct {
+	Base64AuthRequest string
+	URL               string
+	RelayState        string
+}
+
+type SamlCertificateStatus struct {
+	IdpCertificateFile    bool `json:"idp_certificate_file"`
+	PrivateKeyFile        bool `json:"private_key_file"`
+	PublicCertificateFile bool `json:"public_certificate_file"`
+}
+
+type SamlMetadataResponse struct {
+	IdpDescriptorUrl     string `json:"idp_descriptor_url"`
+	IdpUrl               string `json:"idp_url"`
+	IdpPublicCertificate string `json:"idp_public_certificate"`
+}
+
+type NameIDFormat struct {
+	XMLName xml.Name
+	Format  string `xml:",attr,omitempty"`
+	Value   string `xml:",innerxml"`
+}
+
+type NameID struct {
+	NameQualifier   string `xml:",attr"`
+	SPNameQualifier string `xml:",attr"`
+	Format          string `xml:",attr,omitempty"`
+	SPProvidedID    string `xml:",attr"`
+	Value           string `xml:",chardata"`
+}
+
+type AttributeValue struct {
+	Type   string `xml:"http://www.w3.org/2001/XMLSchema-instance type,attr"`
+	Value  string `xml:",chardata"`
+	NameID *NameID
+}
+
+type Attribute struct {
+	XMLName      xml.Name
+	FriendlyName string           `xml:",attr"`
+	Name         string           `xml:",attr"`
+	NameFormat   string           `xml:",attr"`
+	Values       []AttributeValue `xml:"AttributeValue"`
+}
+
+type Endpoint struct {
+	XMLName          xml.Name
+	Binding          string `xml:"Binding,attr"`
+	Location         string `xml:"Location,attr"`
+	ResponseLocation string `xml:"ResponseLocation,attr,omitempty"`
+}
+
+type IndexedEndpoint struct {
+	XMLName          xml.Name
+	Binding          string  `xml:"Binding,attr"`
+	Location         string  `xml:"Location,attr"`
+	ResponseLocation *string `xml:"ResponseLocation,attr,omitempty"`
+	Index            int     `xml:"index,attr"`
+	IsDefault        *bool   `xml:"isDefault,attr"`
+}
+
+type IDPSSODescriptor struct {
+	XMLName xml.Name `xml:"urn:oasis:names:tc:SAML:2.0:metadata IDPSSODescriptor"`
+	SSODescriptor
+	WantAuthnRequestsSigned *bool `xml:",attr"`
+
+	SingleSignOnServices       []Endpoint  `xml:"SingleSignOnService"`
+	NameIDMappingServices      []Endpoint  `xml:"NameIDMappingService"`
+	AssertionIDRequestServices []Endpoint  `xml:"AssertionIDRequestService"`
+	AttributeProfiles          []string    `xml:"AttributeProfile"`
+	Attributes                 []Attribute `xml:"Attribute"`
+}
+
+type SSODescriptor struct {
+	XMLName xml.Name
+	RoleDescriptor
+	ArtifactResolutionServices []IndexedEndpoint `xml:"ArtifactResolutionService"`
+	SingleLogoutServices       []Endpoint        `xml:"SingleLogoutService"`
+	ManageNameIDServices       []Endpoint        `xml:"ManageNameIDService"`
+	NameIDFormats              []NameIDFormat    `xml:"NameIDFormat"`
+}
+
+type X509Certificate struct {
+	XMLName xml.Name
+	Cert    string `xml:",innerxml"`
+}
+
+type X509Data struct {
+	XMLName         xml.Name
+	X509Certificate X509Certificate `xml:"X509Certificate"`
+}
+
+type KeyInfo struct {
+	XMLName  xml.Name
+	DS       string   `xml:"xmlns:ds,attr"`
+	X509Data X509Data `xml:"X509Data"`
+}
+type EncryptionMethod struct {
+	Algorithm string `xml:"Algorithm,attr"`
+}
+
+type KeyDescriptor struct {
+	XMLName xml.Name
+	Use     string  `xml:"use,attr,omitempty"`
+	KeyInfo KeyInfo `xml:"http://www.w3.org/2000/09/xmldsig# KeyInfo,omitempty"`
+}
+
+type RoleDescriptor struct {
+	XMLName                    xml.Name
+	ID                         string          `xml:",attr,omitempty"`
+	ValidUntil                 time.Time       `xml:"validUntil,attr,omitempty"`
+	CacheDuration              time.Duration   `xml:"cacheDuration,attr,omitempty"`
+	ProtocolSupportEnumeration string          `xml:"protocolSupportEnumeration,attr"`
+	ErrorURL                   string          `xml:"errorURL,attr,omitempty"`
+	KeyDescriptors             []KeyDescriptor `xml:"KeyDescriptor,omitempty"`
+	Organization               *Organization   `xml:"Organization,omitempty"`
+	ContactPersons             []ContactPerson `xml:"ContactPerson,omitempty"`
+}
+
+type ContactPerson struct {
+	XMLName          xml.Name
+	ContactType      string `xml:"contactType,attr"`
+	Company          string
+	GivenName        string
+	SurName          string
+	EmailAddresses   []string `xml:"EmailAddress"`
+	TelephoneNumbers []string `xml:"TelephoneNumber"`
+}
+
+type LocalizedName struct {
+	Lang  string `xml:"xml lang,attr"`
+	Value string `xml:",chardata"`
+}
+
+type LocalizedURI struct {
+	Lang  string `xml:"xml lang,attr"`
+	Value string `xml:",chardata"`
+}
+
+type Organization struct {
+	XMLName                  xml.Name
+	OrganizationNames        []LocalizedName `xml:"OrganizationName"`
+	OrganizationDisplayNames []LocalizedName `xml:"OrganizationDisplayName"`
+	OrganizationURLs         []LocalizedURI  `xml:"OrganizationURL"`
+}
+
+type EntityDescriptor struct {
+	XMLName           xml.Name           `xml:"urn:oasis:names:tc:SAML:2.0:metadata EntityDescriptor"`
+	EntityID          string             `xml:"entityID,attr"`
+	ID                string             `xml:",attr,omitempty"`
+	ValidUntil        time.Time          `xml:"validUntil,attr,omitempty"`
+	CacheDuration     time.Duration      `xml:"cacheDuration,attr,omitempty"`
+	RoleDescriptors   []RoleDescriptor   `xml:"RoleDescriptor"`
+	IDPSSODescriptors []IDPSSODescriptor `xml:"IDPSSODescriptor"`
+	Organization      Organization       `xml:"Organization"`
+	ContactPerson     ContactPerson      `xml:"ContactPerson"`
+}
+
+func (s *SamlCertificateStatus) ToJson() string {
+	b, _ := json.Marshal(s)
+	return string(b)
+}
+
+func SamlCertificateStatusFromJson(data io.Reader) *SamlCertificateStatus {
+	var status *SamlCertificateStatus
+	json.NewDecoder(data).Decode(&status)
+	return status
+}
+
+func (s *SamlMetadataResponse) ToJson() string {
+	b, _ := json.Marshal(s)
+	return string(b)
+}
+
+func SamlMetadataResponseFromJson(data io.Reader) *SamlMetadataResponse {
+	var status *SamlMetadataResponse
+	json.NewDecoder(data).Decode(&status)
+	return status
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/scheduled_task.go b/vendor/github.com/mattermost/mattermost-server/v5/model/scheduled_task.go
new file mode 100644
index 00000000..657cc749
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/scheduled_task.go
@@ -0,0 +1,77 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"time"
+)
+
+type TaskFunc func()
+
+type ScheduledTask struct {
+	Name      string        `json:"name"`
+	Interval  time.Duration `json:"interval"`
+	Recurring bool          `json:"recurring"`
+	function  func()
+	cancel    chan struct{}
+	cancelled chan struct{}
+}
+
+func CreateTask(name string, function TaskFunc, timeToExecution time.Duration) *ScheduledTask {
+	return createTask(name, function, timeToExecution, false)
+}
+
+func CreateRecurringTask(name string, function TaskFunc, interval time.Duration) *ScheduledTask {
+	return createTask(name, function, interval, true)
+}
+
+func createTask(name string, function TaskFunc, interval time.Duration, recurring bool) *ScheduledTask {
+	task := &ScheduledTask{
+		Name:      name,
+		Interval:  interval,
+		Recurring: recurring,
+		function:  function,
+		cancel:    make(chan struct{}),
+		cancelled: make(chan struct{}),
+	}
+
+	go func() {
+		defer close(task.cancelled)
+
+		ticker := time.NewTicker(interval)
+		defer func() {
+			ticker.Stop()
+		}()
+
+		for {
+			select {
+			case <-ticker.C:
+				function()
+			case <-task.cancel:
+				return
+			}
+
+			if !task.Recurring {
+				break
+			}
+		}
+	}()
+
+	return task
+}
+
+func (task *ScheduledTask) Cancel() {
+	close(task.cancel)
+	<-task.cancelled
+}
+
+func (task *ScheduledTask) String() string {
+	return fmt.Sprintf(
+		"%s\nInterval: %s\nRecurring: %t\n",
+		task.Name,
+		task.Interval.String(),
+		task.Recurring,
+	)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/scheme.go b/vendor/github.com/mattermost/mattermost-server/v5/model/scheme.go
new file mode 100644
index 00000000..630f14a6
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/scheme.go
@@ -0,0 +1,227 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"regexp"
+)
+
+const (
+	SCHEME_DISPLAY_NAME_MAX_LENGTH = 128
+	SCHEME_NAME_MAX_LENGTH         = 64
+	SCHEME_DESCRIPTION_MAX_LENGTH  = 1024
+	SCHEME_SCOPE_TEAM              = "team"
+	SCHEME_SCOPE_CHANNEL           = "channel"
+)
+
+type Scheme struct {
+	Id                      string `json:"id"`
+	Name                    string `json:"name"`
+	DisplayName             string `json:"display_name"`
+	Description             string `json:"description"`
+	CreateAt                int64  `json:"create_at"`
+	UpdateAt                int64  `json:"update_at"`
+	DeleteAt                int64  `json:"delete_at"`
+	Scope                   string `json:"scope"`
+	DefaultTeamAdminRole    string `json:"default_team_admin_role"`
+	DefaultTeamUserRole     string `json:"default_team_user_role"`
+	DefaultChannelAdminRole string `json:"default_channel_admin_role"`
+	DefaultChannelUserRole  string `json:"default_channel_user_role"`
+	DefaultTeamGuestRole    string `json:"default_team_guest_role"`
+	DefaultChannelGuestRole string `json:"default_channel_guest_role"`
+}
+
+type SchemePatch struct {
+	Name        *string `json:"name"`
+	DisplayName *string `json:"display_name"`
+	Description *string `json:"description"`
+}
+
+type SchemeIDPatch struct {
+	SchemeID *string `json:"scheme_id"`
+}
+
+// SchemeConveyor is used for importing and exporting a Scheme and its associated Roles.
+type SchemeConveyor struct {
+	Name         string  `json:"name"`
+	DisplayName  string  `json:"display_name"`
+	Description  string  `json:"description"`
+	Scope        string  `json:"scope"`
+	TeamAdmin    string  `json:"default_team_admin_role"`
+	TeamUser     string  `json:"default_team_user_role"`
+	TeamGuest    string  `json:"default_team_guest_role"`
+	ChannelAdmin string  `json:"default_channel_admin_role"`
+	ChannelUser  string  `json:"default_channel_user_role"`
+	ChannelGuest string  `json:"default_channel_guest_role"`
+	Roles        []*Role `json:"roles"`
+}
+
+func (sc *SchemeConveyor) Scheme() *Scheme {
+	return &Scheme{
+		DisplayName:             sc.DisplayName,
+		Name:                    sc.Name,
+		Description:             sc.Description,
+		Scope:                   sc.Scope,
+		DefaultTeamAdminRole:    sc.TeamAdmin,
+		DefaultTeamUserRole:     sc.TeamUser,
+		DefaultTeamGuestRole:    sc.TeamGuest,
+		DefaultChannelAdminRole: sc.ChannelAdmin,
+		DefaultChannelUserRole:  sc.ChannelUser,
+		DefaultChannelGuestRole: sc.ChannelGuest,
+	}
+}
+
+type SchemeRoles struct {
+	SchemeAdmin bool `json:"scheme_admin"`
+	SchemeUser  bool `json:"scheme_user"`
+	SchemeGuest bool `json:"scheme_guest"`
+}
+
+func (scheme *Scheme) ToJson() string {
+	b, _ := json.Marshal(scheme)
+	return string(b)
+}
+
+func SchemeFromJson(data io.Reader) *Scheme {
+	var scheme *Scheme
+	json.NewDecoder(data).Decode(&scheme)
+	return scheme
+}
+
+func SchemesToJson(schemes []*Scheme) string {
+	b, _ := json.Marshal(schemes)
+	return string(b)
+}
+
+func SchemesFromJson(data io.Reader) []*Scheme {
+	var schemes []*Scheme
+	if err := json.NewDecoder(data).Decode(&schemes); err == nil {
+		return schemes
+	} else {
+		return nil
+	}
+}
+
+func (scheme *Scheme) IsValid() bool {
+	if !IsValidId(scheme.Id) {
+		return false
+	}
+
+	return scheme.IsValidForCreate()
+}
+
+func (scheme *Scheme) IsValidForCreate() bool {
+	if len(scheme.DisplayName) == 0 || len(scheme.DisplayName) > SCHEME_DISPLAY_NAME_MAX_LENGTH {
+		return false
+	}
+
+	if !IsValidSchemeName(scheme.Name) {
+		return false
+	}
+
+	if len(scheme.Description) > SCHEME_DESCRIPTION_MAX_LENGTH {
+		return false
+	}
+
+	switch scheme.Scope {
+	case SCHEME_SCOPE_TEAM, SCHEME_SCOPE_CHANNEL:
+	default:
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelAdminRole) {
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelUserRole) {
+		return false
+	}
+
+	if !IsValidRoleName(scheme.DefaultChannelGuestRole) {
+		return false
+	}
+
+	if scheme.Scope == SCHEME_SCOPE_TEAM {
+		if !IsValidRoleName(scheme.DefaultTeamAdminRole) {
+			return false
+		}
+
+		if !IsValidRoleName(scheme.DefaultTeamUserRole) {
+			return false
+		}
+
+		if !IsValidRoleName(scheme.DefaultTeamGuestRole) {
+			return false
+		}
+	}
+
+	if scheme.Scope == SCHEME_SCOPE_CHANNEL {
+		if len(scheme.DefaultTeamAdminRole) != 0 {
+			return false
+		}
+
+		if len(scheme.DefaultTeamUserRole) != 0 {
+			return false
+		}
+
+		if len(scheme.DefaultTeamGuestRole) != 0 {
+			return false
+		}
+	}
+
+	return true
+}
+
+func (scheme *Scheme) Patch(patch *SchemePatch) {
+	if patch.DisplayName != nil {
+		scheme.DisplayName = *patch.DisplayName
+	}
+	if patch.Name != nil {
+		scheme.Name = *patch.Name
+	}
+	if patch.Description != nil {
+		scheme.Description = *patch.Description
+	}
+}
+
+func (patch *SchemePatch) ToJson() string {
+	b, _ := json.Marshal(patch)
+	return string(b)
+}
+
+func SchemePatchFromJson(data io.Reader) *SchemePatch {
+	var patch *SchemePatch
+	json.NewDecoder(data).Decode(&patch)
+	return patch
+}
+
+func SchemeIDFromJson(data io.Reader) *string {
+	var p *SchemeIDPatch
+	json.NewDecoder(data).Decode(&p)
+	return p.SchemeID
+}
+
+func (p *SchemeIDPatch) ToJson() string {
+	b, _ := json.Marshal(p)
+	return string(b)
+}
+
+func IsValidSchemeName(name string) bool {
+	re := regexp.MustCompile(fmt.Sprintf("^[a-z0-9_]{2,%d}$", SCHEME_NAME_MAX_LENGTH))
+	return re.MatchString(name)
+}
+
+func (schemeRoles *SchemeRoles) ToJson() string {
+	b, _ := json.Marshal(schemeRoles)
+	return string(b)
+}
+
+func SchemeRolesFromJson(data io.Reader) *SchemeRoles {
+	var schemeRoles *SchemeRoles
+	json.NewDecoder(data).Decode(&schemeRoles)
+	return schemeRoles
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/search_params.go b/vendor/github.com/mattermost/mattermost-server/v5/model/search_params.go
new file mode 100644
index 00000000..e6dce73c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/search_params.go
@@ -0,0 +1,369 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"regexp"
+	"strings"
+	"time"
+)
+
+var searchTermPuncStart = regexp.MustCompile(`^[^\pL\d\s#"]+`)
+var searchTermPuncEnd = regexp.MustCompile(`[^\pL\d\s*"]+$`)
+
+type SearchParams struct {
+	Terms                  string
+	ExcludedTerms          string
+	IsHashtag              bool
+	InChannels             []string
+	ExcludedChannels       []string
+	FromUsers              []string
+	ExcludedUsers          []string
+	AfterDate              string
+	ExcludedAfterDate      string
+	BeforeDate             string
+	ExcludedBeforeDate     string
+	OnDate                 string
+	ExcludedDate           string
+	OrTerms                bool
+	IncludeDeletedChannels bool
+	TimeZoneOffset         int
+	// True if this search doesn't originate from a "current user".
+	SearchWithoutUserId bool
+}
+
+// Returns the epoch timestamp of the start of the day specified by SearchParams.AfterDate
+func (p *SearchParams) GetAfterDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.AfterDate))
+	if err != nil {
+		date = time.Now()
+	}
+
+	// travel forward 1 day
+	oneDay := time.Hour * 24
+	afterDate := date.Add(oneDay)
+	return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the start of the day specified by SearchParams.ExcludedAfterDate
+func (p *SearchParams) GetExcludedAfterDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedAfterDate))
+	if err != nil {
+		date = time.Now()
+	}
+
+	// travel forward 1 day
+	oneDay := time.Hour * 24
+	afterDate := date.Add(oneDay)
+	return GetStartOfDayMillis(afterDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the end of the day specified by SearchParams.BeforeDate
+func (p *SearchParams) GetBeforeDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.BeforeDate))
+	if err != nil {
+		return 0
+	}
+
+	// travel back 1 day
+	oneDay := time.Hour * -24
+	beforeDate := date.Add(oneDay)
+	return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamp of the end of the day specified by SearchParams.ExcludedBeforeDate
+func (p *SearchParams) GetExcludedBeforeDateMillis() int64 {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedBeforeDate))
+	if err != nil {
+		return 0
+	}
+
+	// travel back 1 day
+	oneDay := time.Hour * -24
+	beforeDate := date.Add(oneDay)
+	return GetEndOfDayMillis(beforeDate, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamps of the start and end of the day specified by SearchParams.OnDate
+func (p *SearchParams) GetOnDateMillis() (int64, int64) {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.OnDate))
+	if err != nil {
+		return 0, 0
+	}
+
+	return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
+}
+
+// Returns the epoch timestamps of the start and end of the day specified by SearchParams.ExcludedDate
+func (p *SearchParams) GetExcludedDateMillis() (int64, int64) {
+	date, err := time.Parse("2006-01-02", PadDateStringZeros(p.ExcludedDate))
+	if err != nil {
+		return 0, 0
+	}
+
+	return GetStartOfDayMillis(date, p.TimeZoneOffset), GetEndOfDayMillis(date, p.TimeZoneOffset)
+}
+
+var searchFlags = [...]string{"from", "channel", "in", "before", "after", "on"}
+
+type flag struct {
+	name    string
+	value   string
+	exclude bool
+}
+
+type searchWord struct {
+	value   string
+	exclude bool
+}
+
+func splitWords(text string) []string {
+	words := []string{}
+
+	foundQuote := false
+	location := 0
+	for i, char := range text {
+		if char == '"' {
+			if foundQuote {
+				// Grab the quoted section
+				word := text[location : i+1]
+				words = append(words, word)
+				foundQuote = false
+				location = i + 1
+			} else {
+				nextStart := i
+				if i > 0 && text[i-1] == '-' {
+					nextStart = i - 1
+				}
+				words = append(words, strings.Fields(text[location:nextStart])...)
+				foundQuote = true
+				location = nextStart
+			}
+		}
+	}
+
+	words = append(words, strings.Fields(text[location:])...)
+
+	return words
+}
+
+func parseSearchFlags(input []string) ([]searchWord, []flag) {
+	words := []searchWord{}
+	flags := []flag{}
+
+	skipNextWord := false
+	for i, word := range input {
+		if skipNextWord {
+			skipNextWord = false
+			continue
+		}
+
+		isFlag := false
+
+		if colon := strings.Index(word, ":"); colon != -1 {
+			var flagName string
+			var exclude bool
+			if strings.HasPrefix(word, "-") {
+				flagName = word[1:colon]
+				exclude = true
+			} else {
+				flagName = word[:colon]
+				exclude = false
+			}
+
+			value := word[colon+1:]
+
+			for _, searchFlag := range searchFlags {
+				// check for case insensitive equality
+				if strings.EqualFold(flagName, searchFlag) {
+					if value != "" {
+						flags = append(flags, flag{
+							searchFlag,
+							value,
+							exclude,
+						})
+						isFlag = true
+					} else if i < len(input)-1 {
+						flags = append(flags, flag{
+							searchFlag,
+							input[i+1],
+							exclude,
+						})
+						skipNextWord = true
+						isFlag = true
+					}
+
+					if isFlag {
+						break
+					}
+				}
+			}
+		}
+
+		if !isFlag {
+			exclude := false
+			if strings.HasPrefix(word, "-") {
+				exclude = true
+			}
+			// trim off surrounding punctuation (note that we leave trailing asterisks to allow wildcards)
+			word = searchTermPuncStart.ReplaceAllString(word, "")
+			word = searchTermPuncEnd.ReplaceAllString(word, "")
+
+			// and remove extra pound #s
+			word = hashtagStart.ReplaceAllString(word, "#")
+
+			if len(word) != 0 {
+				words = append(words, searchWord{
+					word,
+					exclude,
+				})
+			}
+		}
+	}
+
+	return words, flags
+}
+
+func ParseSearchParams(text string, timeZoneOffset int) []*SearchParams {
+	words, flags := parseSearchFlags(splitWords(text))
+
+	hashtagTermList := []string{}
+	excludedHashtagTermList := []string{}
+	plainTermList := []string{}
+	excludedPlainTermList := []string{}
+
+	for _, word := range words {
+		if validHashtag.MatchString(word.value) {
+			if word.exclude {
+				excludedHashtagTermList = append(excludedHashtagTermList, word.value)
+			} else {
+				hashtagTermList = append(hashtagTermList, word.value)
+			}
+		} else {
+			if word.exclude {
+				excludedPlainTermList = append(excludedPlainTermList, word.value)
+			} else {
+				plainTermList = append(plainTermList, word.value)
+			}
+		}
+	}
+
+	hashtagTerms := strings.Join(hashtagTermList, " ")
+	excludedHashtagTerms := strings.Join(excludedHashtagTermList, " ")
+	plainTerms := strings.Join(plainTermList, " ")
+	excludedPlainTerms := strings.Join(excludedPlainTermList, " ")
+
+	inChannels := []string{}
+	excludedChannels := []string{}
+	fromUsers := []string{}
+	excludedUsers := []string{}
+	afterDate := ""
+	excludedAfterDate := ""
+	beforeDate := ""
+	excludedBeforeDate := ""
+	onDate := ""
+	excludedDate := ""
+
+	for _, flag := range flags {
+		if flag.name == "in" || flag.name == "channel" {
+			if flag.exclude {
+				excludedChannels = append(excludedChannels, flag.value)
+			} else {
+				inChannels = append(inChannels, flag.value)
+			}
+		} else if flag.name == "from" {
+			if flag.exclude {
+				excludedUsers = append(excludedUsers, flag.value)
+			} else {
+				fromUsers = append(fromUsers, flag.value)
+			}
+		} else if flag.name == "after" {
+			if flag.exclude {
+				excludedAfterDate = flag.value
+			} else {
+				afterDate = flag.value
+			}
+		} else if flag.name == "before" {
+			if flag.exclude {
+				excludedBeforeDate = flag.value
+			} else {
+				beforeDate = flag.value
+			}
+		} else if flag.name == "on" {
+			if flag.exclude {
+				excludedDate = flag.value
+			} else {
+				onDate = flag.value
+			}
+		}
+	}
+
+	paramsList := []*SearchParams{}
+
+	if len(plainTerms) > 0 || len(excludedPlainTerms) > 0 {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              plainTerms,
+			ExcludedTerms:      excludedPlainTerms,
+			IsHashtag:          false,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	if len(hashtagTerms) > 0 || len(excludedHashtagTerms) > 0 {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              hashtagTerms,
+			ExcludedTerms:      excludedHashtagTerms,
+			IsHashtag:          true,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	// special case for when no terms are specified but we still have a filter
+	if len(plainTerms) == 0 && len(hashtagTerms) == 0 &&
+		len(excludedPlainTerms) == 0 && len(excludedHashtagTerms) == 0 &&
+		(len(inChannels) != 0 || len(fromUsers) != 0 ||
+			len(excludedChannels) != 0 || len(excludedUsers) != 0 ||
+			len(afterDate) != 0 || len(excludedAfterDate) != 0 ||
+			len(beforeDate) != 0 || len(excludedBeforeDate) != 0 ||
+			len(onDate) != 0 || len(excludedDate) != 0) {
+		paramsList = append(paramsList, &SearchParams{
+			Terms:              "",
+			ExcludedTerms:      "",
+			IsHashtag:          false,
+			InChannels:         inChannels,
+			ExcludedChannels:   excludedChannels,
+			FromUsers:          fromUsers,
+			ExcludedUsers:      excludedUsers,
+			AfterDate:          afterDate,
+			ExcludedAfterDate:  excludedAfterDate,
+			BeforeDate:         beforeDate,
+			ExcludedBeforeDate: excludedBeforeDate,
+			OnDate:             onDate,
+			ExcludedDate:       excludedDate,
+			TimeZoneOffset:     timeZoneOffset,
+		})
+	}
+
+	return paramsList
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/security_bulletin.go b/vendor/github.com/mattermost/mattermost-server/v5/model/security_bulletin.go
new file mode 100644
index 00000000..ae66cf30
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/security_bulletin.go
@@ -0,0 +1,41 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type SecurityBulletin struct {
+	Id               string `json:"id"`
+	AppliesToVersion string `json:"applies_to_version"`
+}
+
+type SecurityBulletins []SecurityBulletin
+
+func (me *SecurityBulletin) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func SecurityBulletinFromJson(data io.Reader) *SecurityBulletin {
+	var o *SecurityBulletin
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (me SecurityBulletins) ToJson() string {
+	if b, err := json.Marshal(me); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func SecurityBulletinsFromJson(data io.Reader) SecurityBulletins {
+	var o SecurityBulletins
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/session.go b/vendor/github.com/mattermost/mattermost-server/v5/model/session.go
new file mode 100644
index 00000000..b5567a65
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/session.go
@@ -0,0 +1,208 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"strconv"
+	"strings"
+
+	"github.com/mattermost/mattermost-server/v5/mlog"
+)
+
+const (
+	SESSION_COOKIE_TOKEN              = "MMAUTHTOKEN"
+	SESSION_COOKIE_USER               = "MMUSERID"
+	SESSION_COOKIE_CSRF               = "MMCSRF"
+	SESSION_CACHE_SIZE                = 35000
+	SESSION_PROP_PLATFORM             = "platform"
+	SESSION_PROP_OS                   = "os"
+	SESSION_PROP_BROWSER              = "browser"
+	SESSION_PROP_TYPE                 = "type"
+	SESSION_PROP_USER_ACCESS_TOKEN_ID = "user_access_token_id"
+	SESSION_PROP_IS_BOT               = "is_bot"
+	SESSION_PROP_IS_BOT_VALUE         = "true"
+	SESSION_TYPE_USER_ACCESS_TOKEN    = "UserAccessToken"
+	SESSION_PROP_IS_GUEST             = "is_guest"
+	SESSION_ACTIVITY_TIMEOUT          = 1000 * 60 * 5 // 5 minutes
+	SESSION_USER_ACCESS_TOKEN_EXPIRY  = 100 * 365     // 100 years
+)
+
+type Session struct {
+	Id             string        `json:"id"`
+	Token          string        `json:"token"`
+	CreateAt       int64         `json:"create_at"`
+	ExpiresAt      int64         `json:"expires_at"`
+	LastActivityAt int64         `json:"last_activity_at"`
+	UserId         string        `json:"user_id"`
+	DeviceId       string        `json:"device_id"`
+	Roles          string        `json:"roles"`
+	IsOAuth        bool          `json:"is_oauth"`
+	Props          StringMap     `json:"props"`
+	TeamMembers    []*TeamMember `json:"team_members" db:"-"`
+	Local          bool          `json:"local" db:"-"`
+}
+
+// Returns true if the session is unrestricted, which should grant it
+// with all permissions. This is used for local mode sessions
+func (me *Session) IsUnrestricted() bool {
+	return me.Local
+}
+
+func (me *Session) DeepCopy() *Session {
+	copySession := *me
+
+	if me.Props != nil {
+		copySession.Props = CopyStringMap(me.Props)
+	}
+
+	if me.TeamMembers != nil {
+		copySession.TeamMembers = make([]*TeamMember, len(me.TeamMembers))
+		for index, tm := range me.TeamMembers {
+			copySession.TeamMembers[index] = new(TeamMember)
+			*copySession.TeamMembers[index] = *tm
+		}
+	}
+
+	return &copySession
+}
+
+func (me *Session) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func SessionFromJson(data io.Reader) *Session {
+	var me *Session
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
+
+func (me *Session) PreSave() {
+	if me.Id == "" {
+		me.Id = NewId()
+	}
+
+	if me.Token == "" {
+		me.Token = NewId()
+	}
+
+	me.CreateAt = GetMillis()
+	me.LastActivityAt = me.CreateAt
+
+	if me.Props == nil {
+		me.Props = make(map[string]string)
+	}
+}
+
+func (me *Session) Sanitize() {
+	me.Token = ""
+}
+
+func (me *Session) IsExpired() bool {
+
+	if me.ExpiresAt <= 0 {
+		return false
+	}
+
+	if GetMillis() > me.ExpiresAt {
+		return true
+	}
+
+	return false
+}
+
+func (me *Session) SetExpireInDays(days int) {
+	if me.CreateAt == 0 {
+		me.ExpiresAt = GetMillis() + (1000 * 60 * 60 * 24 * int64(days))
+	} else {
+		me.ExpiresAt = me.CreateAt + (1000 * 60 * 60 * 24 * int64(days))
+	}
+}
+
+func (me *Session) AddProp(key string, value string) {
+
+	if me.Props == nil {
+		me.Props = make(map[string]string)
+	}
+
+	me.Props[key] = value
+}
+
+func (me *Session) GetTeamByTeamId(teamId string) *TeamMember {
+	for _, team := range me.TeamMembers {
+		if team.TeamId == teamId {
+			return team
+		}
+	}
+
+	return nil
+}
+
+func (me *Session) IsMobileApp() bool {
+	return len(me.DeviceId) > 0 || me.IsMobile()
+}
+
+func (me *Session) IsMobile() bool {
+	val, ok := me.Props[USER_AUTH_SERVICE_IS_MOBILE]
+	if !ok {
+		return false
+	}
+	isMobile, err := strconv.ParseBool(val)
+	if err != nil {
+		mlog.Error("Error parsing boolean property from Session", mlog.Err(err))
+		return false
+	}
+	return isMobile
+}
+
+func (me *Session) IsSaml() bool {
+	val, ok := me.Props[USER_AUTH_SERVICE_IS_SAML]
+	if !ok {
+		return false
+	}
+	isSaml, err := strconv.ParseBool(val)
+	if err != nil {
+		mlog.Error("Error parsing boolean property from Session", mlog.Err(err))
+		return false
+	}
+	return isSaml
+}
+
+func (me *Session) IsSSOLogin() bool {
+	return me.IsOAuth || me.IsSaml()
+}
+
+func (me *Session) GetUserRoles() []string {
+	return strings.Fields(me.Roles)
+}
+
+func (me *Session) GenerateCSRF() string {
+	token := NewId()
+	me.AddProp("csrf", token)
+	return token
+}
+
+func (me *Session) GetCSRF() string {
+	if me.Props == nil {
+		return ""
+	}
+
+	return me.Props["csrf"]
+}
+
+func SessionsToJson(o []*Session) string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func SessionsFromJson(data io.Reader) []*Session {
+	var o []*Session
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/slack_attachment.go b/vendor/github.com/mattermost/mattermost-server/v5/model/slack_attachment.go
new file mode 100644
index 00000000..a85c6be2
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/slack_attachment.go
@@ -0,0 +1,193 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"regexp"
+)
+
+var linkWithTextRegex = regexp.MustCompile(`<([^<\|]+)\|([^>]+)>`)
+
+type SlackAttachment struct {
+	Id         int64                   `json:"id"`
+	Fallback   string                  `json:"fallback"`
+	Color      string                  `json:"color"`
+	Pretext    string                  `json:"pretext"`
+	AuthorName string                  `json:"author_name"`
+	AuthorLink string                  `json:"author_link"`
+	AuthorIcon string                  `json:"author_icon"`
+	Title      string                  `json:"title"`
+	TitleLink  string                  `json:"title_link"`
+	Text       string                  `json:"text"`
+	Fields     []*SlackAttachmentField `json:"fields"`
+	ImageURL   string                  `json:"image_url"`
+	ThumbURL   string                  `json:"thumb_url"`
+	Footer     string                  `json:"footer"`
+	FooterIcon string                  `json:"footer_icon"`
+	Timestamp  interface{}             `json:"ts"` // This is either a string or an int64
+	Actions    []*PostAction           `json:"actions,omitempty"`
+}
+
+func (s *SlackAttachment) Equals(input *SlackAttachment) bool {
+	// Direct comparison of simple types
+
+	if s.Id != input.Id {
+		return false
+	}
+
+	if s.Fallback != input.Fallback {
+		return false
+	}
+
+	if s.Color != input.Color {
+		return false
+	}
+
+	if s.Pretext != input.Pretext {
+		return false
+	}
+
+	if s.AuthorName != input.AuthorName {
+		return false
+	}
+
+	if s.AuthorLink != input.AuthorLink {
+		return false
+	}
+
+	if s.AuthorIcon != input.AuthorIcon {
+		return false
+	}
+
+	if s.Title != input.Title {
+		return false
+	}
+
+	if s.TitleLink != input.TitleLink {
+		return false
+	}
+
+	if s.Text != input.Text {
+		return false
+	}
+
+	if s.ImageURL != input.ImageURL {
+		return false
+	}
+
+	if s.ThumbURL != input.ThumbURL {
+		return false
+	}
+
+	if s.Footer != input.Footer {
+		return false
+	}
+
+	if s.FooterIcon != input.FooterIcon {
+		return false
+	}
+
+	// Compare length & slice values of fields
+	if len(s.Fields) != len(input.Fields) {
+		return false
+	}
+
+	for j := range s.Fields {
+		if !s.Fields[j].Equals(input.Fields[j]) {
+			return false
+		}
+	}
+
+	// Compare length & slice values of actions
+	if len(s.Actions) != len(input.Actions) {
+		return false
+	}
+
+	for j := range s.Actions {
+		if !s.Actions[j].Equals(input.Actions[j]) {
+			return false
+		}
+	}
+
+	return s.Timestamp == input.Timestamp
+}
+
+type SlackAttachmentField struct {
+	Title string              `json:"title"`
+	Value interface{}         `json:"value"`
+	Short SlackCompatibleBool `json:"short"`
+}
+
+func (s *SlackAttachmentField) Equals(input *SlackAttachmentField) bool {
+	if s.Title != input.Title {
+		return false
+	}
+
+	if s.Value != input.Value {
+		return false
+	}
+
+	if s.Short != input.Short {
+		return false
+	}
+
+	return true
+}
+
+func StringifySlackFieldValue(a []*SlackAttachment) []*SlackAttachment {
+	var nonNilAttachments []*SlackAttachment
+	for _, attachment := range a {
+		if attachment == nil {
+			continue
+		}
+		nonNilAttachments = append(nonNilAttachments, attachment)
+
+		var nonNilFields []*SlackAttachmentField
+		for _, field := range attachment.Fields {
+			if field == nil {
+				continue
+			}
+			nonNilFields = append(nonNilFields, field)
+
+			if field.Value != nil {
+				// Ensure the value is set to a string if it is set
+				field.Value = fmt.Sprintf("%v", field.Value)
+			}
+		}
+		attachment.Fields = nonNilFields
+	}
+	return nonNilAttachments
+}
+
+// This method only parses and processes the attachments,
+// all else should be set in the post which is passed
+func ParseSlackAttachment(post *Post, attachments []*SlackAttachment) {
+	if post.Type == "" {
+		post.Type = POST_SLACK_ATTACHMENT
+	}
+
+	postAttachments := []*SlackAttachment{}
+
+	for _, attachment := range attachments {
+		if attachment == nil {
+			continue
+		}
+
+		attachment.Text = ParseSlackLinksToMarkdown(attachment.Text)
+		attachment.Pretext = ParseSlackLinksToMarkdown(attachment.Pretext)
+
+		for _, field := range attachment.Fields {
+			if value, ok := field.Value.(string); ok {
+				field.Value = ParseSlackLinksToMarkdown(value)
+			}
+		}
+		postAttachments = append(postAttachments, attachment)
+	}
+	post.AddProp("attachments", postAttachments)
+}
+
+func ParseSlackLinksToMarkdown(text string) string {
+	return linkWithTextRegex.ReplaceAllString(text, "[${2}](${1})")
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/slack_compatibility.go b/vendor/github.com/mattermost/mattermost-server/v5/model/slack_compatibility.go
new file mode 100644
index 00000000..2d3e2878
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/slack_compatibility.go
@@ -0,0 +1,30 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"strings"
+)
+
+// SlackCompatibleBool is an alias for bool that implements json.Unmarshaler
+type SlackCompatibleBool bool
+
+// UnmarshalJSON implements json.Unmarshaler
+//
+// Slack allows bool values to be represented as strings ("true"/"false") or
+// literals (true/false). To maintain compatibility, we define an Unmarshaler
+// that supports both.
+func (b *SlackCompatibleBool) UnmarshalJSON(data []byte) error {
+	value := strings.ToLower(string(data))
+	if value == "true" || value == `"true"` {
+		*b = true
+	} else if value == "false" || value == `"false"` {
+		*b = false
+	} else {
+		return fmt.Errorf("unmarshal: unable to convert %s to bool", data)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/status.go b/vendor/github.com/mattermost/mattermost-server/v5/model/status.go
new file mode 100644
index 00000000..741fa1ed
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/status.go
@@ -0,0 +1,75 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const (
+	STATUS_OUT_OF_OFFICE   = "ooo"
+	STATUS_OFFLINE         = "offline"
+	STATUS_AWAY            = "away"
+	STATUS_DND             = "dnd"
+	STATUS_ONLINE          = "online"
+	STATUS_CACHE_SIZE      = SESSION_CACHE_SIZE
+	STATUS_CHANNEL_TIMEOUT = 20000  // 20 seconds
+	STATUS_MIN_UPDATE_TIME = 120000 // 2 minutes
+)
+
+type Status struct {
+	UserId         string `json:"user_id"`
+	Status         string `json:"status"`
+	Manual         bool   `json:"manual"`
+	LastActivityAt int64  `json:"last_activity_at"`
+	ActiveChannel  string `json:"active_channel,omitempty" db:"-"`
+}
+
+func (o *Status) ToJson() string {
+	oCopy := *o
+	oCopy.ActiveChannel = ""
+	b, _ := json.Marshal(oCopy)
+	return string(b)
+}
+
+func (o *Status) ToClusterJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func StatusFromJson(data io.Reader) *Status {
+	var o *Status
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func StatusListToJson(u []*Status) string {
+	uCopy := make([]Status, len(u))
+	for i, s := range u {
+		sCopy := *s
+		sCopy.ActiveChannel = ""
+		uCopy[i] = sCopy
+	}
+
+	b, _ := json.Marshal(uCopy)
+	return string(b)
+}
+
+func StatusListFromJson(data io.Reader) []*Status {
+	var statuses []*Status
+	json.NewDecoder(data).Decode(&statuses)
+	return statuses
+}
+
+func StatusMapToInterfaceMap(statusMap map[string]*Status) map[string]interface{} {
+	interfaceMap := map[string]interface{}{}
+	for _, s := range statusMap {
+		// Omitted statues mean offline
+		if s.Status != STATUS_OFFLINE {
+			interfaceMap[s.UserId] = s.Status
+		}
+	}
+	return interfaceMap
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/suggest_command.go b/vendor/github.com/mattermost/mattermost-server/v5/model/suggest_command.go
new file mode 100644
index 00000000..45a7af38
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/suggest_command.go
@@ -0,0 +1,25 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type SuggestCommand struct {
+	Suggestion  string `json:"suggestion"`
+	Description string `json:"description"`
+}
+
+func (o *SuggestCommand) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func SuggestCommandFromJson(data io.Reader) *SuggestCommand {
+	var o *SuggestCommand
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/switch_request.go b/vendor/github.com/mattermost/mattermost-server/v5/model/switch_request.go
new file mode 100644
index 00000000..0ec4db7d
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/switch_request.go
@@ -0,0 +1,53 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type SwitchRequest struct {
+	CurrentService string `json:"current_service"`
+	NewService     string `json:"new_service"`
+	Email          string `json:"email"`
+	Password       string `json:"password"`
+	NewPassword    string `json:"new_password"`
+	MfaCode        string `json:"mfa_code"`
+	LdapLoginId    string `json:"ldap_id"`
+}
+
+func (o *SwitchRequest) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func SwitchRequestFromJson(data io.Reader) *SwitchRequest {
+	var o *SwitchRequest
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *SwitchRequest) EmailToOAuth() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_EMAIL &&
+		(o.NewService == USER_AUTH_SERVICE_SAML ||
+			o.NewService == USER_AUTH_SERVICE_GITLAB ||
+			o.NewService == SERVICE_GOOGLE ||
+			o.NewService == SERVICE_OFFICE365)
+}
+
+func (o *SwitchRequest) OAuthToEmail() bool {
+	return (o.CurrentService == USER_AUTH_SERVICE_SAML ||
+		o.CurrentService == USER_AUTH_SERVICE_GITLAB ||
+		o.CurrentService == SERVICE_GOOGLE ||
+		o.CurrentService == SERVICE_OFFICE365) && o.NewService == USER_AUTH_SERVICE_EMAIL
+}
+
+func (o *SwitchRequest) EmailToLdap() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_EMAIL && o.NewService == USER_AUTH_SERVICE_LDAP
+}
+
+func (o *SwitchRequest) LdapToEmail() bool {
+	return o.CurrentService == USER_AUTH_SERVICE_LDAP && o.NewService == USER_AUTH_SERVICE_EMAIL
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/system.go b/vendor/github.com/mattermost/mattermost-server/v5/model/system.go
new file mode 100644
index 00000000..4c3132e2
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/system.go
@@ -0,0 +1,71 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"math/big"
+)
+
+const (
+	SYSTEM_DIAGNOSTIC_ID                  = "DiagnosticId"
+	SYSTEM_RAN_UNIT_TESTS                 = "RanUnitTests"
+	SYSTEM_LAST_SECURITY_TIME             = "LastSecurityTime"
+	SYSTEM_ACTIVE_LICENSE_ID              = "ActiveLicenseId"
+	SYSTEM_LAST_COMPLIANCE_TIME           = "LastComplianceTime"
+	SYSTEM_ASYMMETRIC_SIGNING_KEY         = "AsymmetricSigningKey"
+	SYSTEM_POST_ACTION_COOKIE_SECRET      = "PostActionCookieSecret"
+	SYSTEM_INSTALLATION_DATE_KEY          = "InstallationDate"
+	SYSTEM_FIRST_SERVER_RUN_TIMESTAMP_KEY = "FirstServerRunTimestamp"
+)
+
+type System struct {
+	Name  string `json:"name"`
+	Value string `json:"value"`
+}
+
+func (o *System) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func SystemFromJson(data io.Reader) *System {
+	var o *System
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+type SystemPostActionCookieSecret struct {
+	Secret []byte `json:"key,omitempty"`
+}
+
+type SystemAsymmetricSigningKey struct {
+	ECDSAKey *SystemECDSAKey `json:"ecdsa_key,omitempty"`
+}
+
+type SystemECDSAKey struct {
+	Curve string   `json:"curve"`
+	X     *big.Int `json:"x"`
+	Y     *big.Int `json:"y"`
+	D     *big.Int `json:"d,omitempty"`
+}
+
+// ServerBusyState provides serialization for app.Busy.
+type ServerBusyState struct {
+	Busy       bool   `json:"busy"`
+	Expires    int64  `json:"expires"`
+	Expires_ts string `json:"expires_ts,omitempty"`
+}
+
+func (sbs *ServerBusyState) ToJson() string {
+	b, _ := json.Marshal(sbs)
+	return string(b)
+}
+
+func ServerBusyStateFromJson(r io.Reader) *ServerBusyState {
+	var sbs *ServerBusyState
+	json.NewDecoder(r).Decode(&sbs)
+	return sbs
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/team.go b/vendor/github.com/mattermost/mattermost-server/v5/model/team.go
new file mode 100644
index 00000000..381eb8bb
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/team.go
@@ -0,0 +1,330 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+)
+
+const (
+	TEAM_OPEN                       = "O"
+	TEAM_INVITE                     = "I"
+	TEAM_ALLOWED_DOMAINS_MAX_LENGTH = 500
+	TEAM_COMPANY_NAME_MAX_LENGTH    = 64
+	TEAM_DESCRIPTION_MAX_LENGTH     = 255
+	TEAM_DISPLAY_NAME_MAX_RUNES     = 64
+	TEAM_EMAIL_MAX_LENGTH           = 128
+	TEAM_NAME_MAX_LENGTH            = 64
+	TEAM_NAME_MIN_LENGTH            = 2
+)
+
+type Team struct {
+	Id                 string  `json:"id"`
+	CreateAt           int64   `json:"create_at"`
+	UpdateAt           int64   `json:"update_at"`
+	DeleteAt           int64   `json:"delete_at"`
+	DisplayName        string  `json:"display_name"`
+	Name               string  `json:"name"`
+	Description        string  `json:"description"`
+	Email              string  `json:"email"`
+	Type               string  `json:"type"`
+	CompanyName        string  `json:"company_name"`
+	AllowedDomains     string  `json:"allowed_domains"`
+	InviteId           string  `json:"invite_id"`
+	AllowOpenInvite    bool    `json:"allow_open_invite"`
+	LastTeamIconUpdate int64   `json:"last_team_icon_update,omitempty"`
+	SchemeId           *string `json:"scheme_id"`
+	GroupConstrained   *bool   `json:"group_constrained"`
+}
+
+type TeamPatch struct {
+	DisplayName      *string `json:"display_name"`
+	Description      *string `json:"description"`
+	CompanyName      *string `json:"company_name"`
+	AllowedDomains   *string `json:"allowed_domains"`
+	AllowOpenInvite  *bool   `json:"allow_open_invite"`
+	GroupConstrained *bool   `json:"group_constrained"`
+}
+
+type TeamForExport struct {
+	Team
+	SchemeName *string
+}
+
+type Invites struct {
+	Invites []map[string]string `json:"invites"`
+}
+
+type TeamsWithCount struct {
+	Teams      []*Team `json:"teams"`
+	TotalCount int64   `json:"total_count"`
+}
+
+func InvitesFromJson(data io.Reader) *Invites {
+	var o *Invites
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *Invites) ToEmailList() []string {
+	emailList := make([]string, len(o.Invites))
+	for _, invite := range o.Invites {
+		emailList = append(emailList, invite["email"])
+	}
+	return emailList
+}
+
+func (o *Invites) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *Team) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func TeamFromJson(data io.Reader) *Team {
+	var o *Team
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func TeamMapToJson(u map[string]*Team) string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+func TeamMapFromJson(data io.Reader) map[string]*Team {
+	var teams map[string]*Team
+	json.NewDecoder(data).Decode(&teams)
+	return teams
+}
+
+func TeamListToJson(t []*Team) string {
+	b, _ := json.Marshal(t)
+	return string(b)
+}
+
+func TeamsWithCountToJson(tlc *TeamsWithCount) []byte {
+	b, _ := json.Marshal(tlc)
+	return b
+}
+
+func TeamsWithCountFromJson(data io.Reader) *TeamsWithCount {
+	var twc *TeamsWithCount
+	json.NewDecoder(data).Decode(&twc)
+	return twc
+}
+
+func TeamListFromJson(data io.Reader) []*Team {
+	var teams []*Team
+	json.NewDecoder(data).Decode(&teams)
+	return teams
+}
+
+func (o *Team) Etag() string {
+	return Etag(o.Id, o.UpdateAt)
+}
+
+func (o *Team) IsValid() *AppError {
+
+	if !IsValidId(o.Id) {
+		return NewAppError("Team.IsValid", "model.team.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if o.CreateAt == 0 {
+		return NewAppError("Team.IsValid", "model.team.is_valid.create_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if o.UpdateAt == 0 {
+		return NewAppError("Team.IsValid", "model.team.is_valid.update_at.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.Email) > TEAM_EMAIL_MAX_LENGTH {
+		return NewAppError("Team.IsValid", "model.team.is_valid.email.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.Email) > 0 && !IsValidEmail(o.Email) {
+		return NewAppError("Team.IsValid", "model.team.is_valid.email.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if utf8.RuneCountInString(o.DisplayName) == 0 || utf8.RuneCountInString(o.DisplayName) > TEAM_DISPLAY_NAME_MAX_RUNES {
+		return NewAppError("Team.IsValid", "model.team.is_valid.name.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.Name) > TEAM_NAME_MAX_LENGTH {
+		return NewAppError("Team.IsValid", "model.team.is_valid.url.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.Description) > TEAM_DESCRIPTION_MAX_LENGTH {
+		return NewAppError("Team.IsValid", "model.team.is_valid.description.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.InviteId) == 0 {
+		return NewAppError("Team.IsValid", "model.team.is_valid.invite_id.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if IsReservedTeamName(o.Name) {
+		return NewAppError("Team.IsValid", "model.team.is_valid.reserved.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !IsValidTeamName(o.Name) {
+		return NewAppError("Team.IsValid", "model.team.is_valid.characters.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if !(o.Type == TEAM_OPEN || o.Type == TEAM_INVITE) {
+		return NewAppError("Team.IsValid", "model.team.is_valid.type.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.CompanyName) > TEAM_COMPANY_NAME_MAX_LENGTH {
+		return NewAppError("Team.IsValid", "model.team.is_valid.company.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	if len(o.AllowedDomains) > TEAM_ALLOWED_DOMAINS_MAX_LENGTH {
+		return NewAppError("Team.IsValid", "model.team.is_valid.domains.app_error", nil, "id="+o.Id, http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *Team) PreSave() {
+	if o.Id == "" {
+		o.Id = NewId()
+	}
+
+	o.CreateAt = GetMillis()
+	o.UpdateAt = o.CreateAt
+
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+	o.Description = SanitizeUnicode(o.Description)
+	o.CompanyName = SanitizeUnicode(o.CompanyName)
+
+	if len(o.InviteId) == 0 {
+		o.InviteId = NewId()
+	}
+}
+
+func (o *Team) PreUpdate() {
+	o.UpdateAt = GetMillis()
+	o.Name = SanitizeUnicode(o.Name)
+	o.DisplayName = SanitizeUnicode(o.DisplayName)
+	o.Description = SanitizeUnicode(o.Description)
+	o.CompanyName = SanitizeUnicode(o.CompanyName)
+}
+
+func IsReservedTeamName(s string) bool {
+	s = strings.ToLower(s)
+
+	for _, value := range reservedName {
+		if strings.Index(s, value) == 0 {
+			return true
+		}
+	}
+
+	return false
+}
+
+func IsValidTeamName(s string) bool {
+	if !IsValidAlphaNum(s) {
+		return false
+	}
+
+	if len(s) < TEAM_NAME_MIN_LENGTH {
+		return false
+	}
+
+	return true
+}
+
+var validTeamNameCharacter = regexp.MustCompile(`^[a-z0-9-]$`)
+
+func CleanTeamName(s string) string {
+	s = strings.ToLower(strings.Replace(s, " ", "-", -1))
+
+	for _, value := range reservedName {
+		if strings.Index(s, value) == 0 {
+			s = strings.Replace(s, value, "", -1)
+		}
+	}
+
+	s = strings.TrimSpace(s)
+
+	for _, c := range s {
+		char := fmt.Sprintf("%c", c)
+		if !validTeamNameCharacter.MatchString(char) {
+			s = strings.Replace(s, char, "", -1)
+		}
+	}
+
+	s = strings.Trim(s, "-")
+
+	if !IsValidTeamName(s) {
+		s = NewId()
+	}
+
+	return s
+}
+
+func (o *Team) Sanitize() {
+	o.Email = ""
+	o.InviteId = ""
+}
+
+func (o *Team) Patch(patch *TeamPatch) {
+	if patch.DisplayName != nil {
+		o.DisplayName = *patch.DisplayName
+	}
+
+	if patch.Description != nil {
+		o.Description = *patch.Description
+	}
+
+	if patch.CompanyName != nil {
+		o.CompanyName = *patch.CompanyName
+	}
+
+	if patch.AllowedDomains != nil {
+		o.AllowedDomains = *patch.AllowedDomains
+	}
+
+	if patch.AllowOpenInvite != nil {
+		o.AllowOpenInvite = *patch.AllowOpenInvite
+	}
+
+	if patch.GroupConstrained != nil {
+		o.GroupConstrained = patch.GroupConstrained
+	}
+}
+
+func (o *Team) IsGroupConstrained() bool {
+	return o.GroupConstrained != nil && *o.GroupConstrained
+}
+
+func (t *TeamPatch) ToJson() string {
+	b, err := json.Marshal(t)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+func TeamPatchFromJson(data io.Reader) *TeamPatch {
+	decoder := json.NewDecoder(data)
+	var team TeamPatch
+	err := decoder.Decode(&team)
+	if err != nil {
+		return nil
+	}
+
+	return &team
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/team_member.go b/vendor/github.com/mattermost/mattermost-server/v5/model/team_member.go
new file mode 100644
index 00000000..b747f17c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/team_member.go
@@ -0,0 +1,186 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+)
+
+const (
+	USERNAME = "Username"
+)
+
+type TeamMember struct {
+	TeamId        string `json:"team_id"`
+	UserId        string `json:"user_id"`
+	Roles         string `json:"roles"`
+	DeleteAt      int64  `json:"delete_at"`
+	SchemeGuest   bool   `json:"scheme_guest"`
+	SchemeUser    bool   `json:"scheme_user"`
+	SchemeAdmin   bool   `json:"scheme_admin"`
+	ExplicitRoles string `json:"explicit_roles"`
+}
+
+type TeamUnread struct {
+	TeamId       string `json:"team_id"`
+	MsgCount     int64  `json:"msg_count"`
+	MentionCount int64  `json:"mention_count"`
+}
+
+type TeamMemberForExport struct {
+	TeamMember
+	TeamName string
+}
+
+type TeamMemberWithError struct {
+	UserId string      `json:"user_id"`
+	Member *TeamMember `json:"member"`
+	Error  *AppError   `json:"error"`
+}
+
+type EmailInviteWithError struct {
+	Email string    `json:"email"`
+	Error *AppError `json:"error"`
+}
+
+type TeamMembersGetOptions struct {
+	// Sort the team members. Accepts "Username", but defaults to "Id".
+	Sort string
+
+	// If true, exclude team members whose corresponding user is deleted.
+	ExcludeDeletedUsers bool
+
+	// Restrict to search in a list of teams and channels
+	ViewRestrictions *ViewUsersRestrictions
+}
+
+func (o *TeamMember) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func (o *TeamUnread) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func TeamMemberFromJson(data io.Reader) *TeamMember {
+	var o *TeamMember
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func TeamUnreadFromJson(data io.Reader) *TeamUnread {
+	var o *TeamUnread
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func EmailInviteWithErrorFromJson(data io.Reader) []*EmailInviteWithError {
+	var o []*EmailInviteWithError
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func EmailInviteWithErrorToEmails(o []*EmailInviteWithError) []string {
+	var ret []string
+	for _, o := range o {
+		if o.Error == nil {
+			ret = append(ret, o.Email)
+		}
+	}
+	return ret
+}
+
+func EmailInviteWithErrorToJson(o []*EmailInviteWithError) string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func EmailInviteWithErrorToString(o *EmailInviteWithError) string {
+	return fmt.Sprintf("%s:%s", o.Email, o.Error.Error())
+}
+
+func TeamMembersWithErrorToTeamMembers(o []*TeamMemberWithError) []*TeamMember {
+	var ret []*TeamMember
+	for _, o := range o {
+		if o.Error == nil {
+			ret = append(ret, o.Member)
+		}
+	}
+	return ret
+}
+
+func TeamMembersWithErrorToJson(o []*TeamMemberWithError) string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func TeamMemberWithErrorToString(o *TeamMemberWithError) string {
+	return fmt.Sprintf("%s:%s", o.UserId, o.Error.Error())
+}
+
+func TeamMembersWithErrorFromJson(data io.Reader) []*TeamMemberWithError {
+	var o []*TeamMemberWithError
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func TeamMembersToJson(o []*TeamMember) string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func TeamMembersFromJson(data io.Reader) []*TeamMember {
+	var o []*TeamMember
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func TeamsUnreadToJson(o []*TeamUnread) string {
+	if b, err := json.Marshal(o); err != nil {
+		return "[]"
+	} else {
+		return string(b)
+	}
+}
+
+func TeamsUnreadFromJson(data io.Reader) []*TeamUnread {
+	var o []*TeamUnread
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *TeamMember) IsValid() *AppError {
+
+	if !IsValidId(o.TeamId) {
+		return NewAppError("TeamMember.IsValid", "model.team_member.is_valid.team_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(o.UserId) {
+		return NewAppError("TeamMember.IsValid", "model.team_member.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (o *TeamMember) PreUpdate() {
+}
+
+func (o *TeamMember) GetRoles() []string {
+	return strings.Fields(o.Roles)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/team_search.go b/vendor/github.com/mattermost/mattermost-server/v5/model/team_search.go
new file mode 100644
index 00000000..b8b1fe30
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/team_search.go
@@ -0,0 +1,41 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type TeamSearch struct {
+	Term    string `json:"term"`
+	Page    *int   `json:"page,omitempty"`
+	PerPage *int   `json:"per_page,omitempty"`
+}
+
+func (t *TeamSearch) IsPaginated() bool {
+	return t.Page != nil && t.PerPage != nil
+}
+
+// ToJson convert a TeamSearch to json string
+func (t *TeamSearch) ToJson() string {
+	b, err := json.Marshal(t)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+// TeamSearchFromJson decodes the input and returns a TeamSearch
+func TeamSearchFromJson(data io.Reader) *TeamSearch {
+	decoder := json.NewDecoder(data)
+	var cs TeamSearch
+	err := decoder.Decode(&cs)
+	if err == nil {
+		return &cs
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/team_stats.go b/vendor/github.com/mattermost/mattermost-server/v5/model/team_stats.go
new file mode 100644
index 00000000..9209a0cf
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/team_stats.go
@@ -0,0 +1,26 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type TeamStats struct {
+	TeamId            string `json:"team_id"`
+	TotalMemberCount  int64  `json:"total_member_count"`
+	ActiveMemberCount int64  `json:"active_member_count"`
+}
+
+func (o *TeamStats) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func TeamStatsFromJson(data io.Reader) *TeamStats {
+	var o *TeamStats
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/terms_of_service.go b/vendor/github.com/mattermost/mattermost-server/v5/model/terms_of_service.go
new file mode 100644
index 00000000..8ce5d350
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/terms_of_service.go
@@ -0,0 +1,69 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"unicode/utf8"
+)
+
+const TERMS_OF_SERVICE_CACHE_SIZE = 1
+
+type TermsOfService struct {
+	Id       string `json:"id"`
+	CreateAt int64  `json:"create_at"`
+	UserId   string `json:"user_id"`
+	Text     string `json:"text"`
+}
+
+func (t *TermsOfService) IsValid() *AppError {
+	if !IsValidId(t.Id) {
+		return InvalidTermsOfServiceError("id", "")
+	}
+
+	if t.CreateAt == 0 {
+		return InvalidTermsOfServiceError("create_at", t.Id)
+	}
+
+	if !IsValidId(t.UserId) {
+		return InvalidTermsOfServiceError("user_id", t.Id)
+	}
+
+	if utf8.RuneCountInString(t.Text) > POST_MESSAGE_MAX_RUNES_V2 {
+		return InvalidTermsOfServiceError("text", t.Id)
+	}
+
+	return nil
+}
+
+func (t *TermsOfService) ToJson() string {
+	b, _ := json.Marshal(t)
+	return string(b)
+}
+
+func TermsOfServiceFromJson(data io.Reader) *TermsOfService {
+	var termsOfService *TermsOfService
+	json.NewDecoder(data).Decode(&termsOfService)
+	return termsOfService
+}
+
+func InvalidTermsOfServiceError(fieldName string, termsOfServiceId string) *AppError {
+	id := fmt.Sprintf("model.terms_of_service.is_valid.%s.app_error", fieldName)
+	details := ""
+	if termsOfServiceId != "" {
+		details = "terms_of_service_id=" + termsOfServiceId
+	}
+	return NewAppError("TermsOfService.IsValid", id, map[string]interface{}{"MaxLength": POST_MESSAGE_MAX_RUNES_V2}, details, http.StatusBadRequest)
+}
+
+func (t *TermsOfService) PreSave() {
+	if t.Id == "" {
+		t.Id = NewId()
+	}
+
+	t.CreateAt = GetMillis()
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/token.go b/vendor/github.com/mattermost/mattermost-server/v5/model/token.go
new file mode 100644
index 00000000..0730778c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/token.go
@@ -0,0 +1,40 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import "net/http"
+
+const (
+	TOKEN_SIZE            = 64
+	MAX_TOKEN_EXIPRY_TIME = 1000 * 60 * 60 * 48 // 48 hour
+	TOKEN_TYPE_OAUTH      = "oauth"
+)
+
+type Token struct {
+	Token    string
+	CreateAt int64
+	Type     string
+	Extra    string
+}
+
+func NewToken(tokentype, extra string) *Token {
+	return &Token{
+		Token:    NewRandomString(TOKEN_SIZE),
+		CreateAt: GetMillis(),
+		Type:     tokentype,
+		Extra:    extra,
+	}
+}
+
+func (t *Token) IsValid() *AppError {
+	if len(t.Token) != TOKEN_SIZE {
+		return NewAppError("Token.IsValid", "model.token.is_valid.size", nil, "", http.StatusInternalServerError)
+	}
+
+	if t.CreateAt == 0 {
+		return NewAppError("Token.IsValid", "model.token.is_valid.expiry", nil, "", http.StatusInternalServerError)
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user.go
new file mode 100644
index 00000000..168605ad
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user.go
@@ -0,0 +1,903 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"crypto/sha256"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"math/rand"
+	"net/http"
+	"regexp"
+	"sort"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"github.com/mattermost/mattermost-server/v5/services/timezones"
+	"golang.org/x/crypto/bcrypt"
+	"golang.org/x/text/language"
+)
+
+const (
+	ME                                 = "me"
+	USER_NOTIFY_ALL                    = "all"
+	USER_NOTIFY_HERE                   = "here"
+	USER_NOTIFY_MENTION                = "mention"
+	USER_NOTIFY_NONE                   = "none"
+	DESKTOP_NOTIFY_PROP                = "desktop"
+	DESKTOP_SOUND_NOTIFY_PROP          = "desktop_sound"
+	MARK_UNREAD_NOTIFY_PROP            = "mark_unread"
+	PUSH_NOTIFY_PROP                   = "push"
+	PUSH_STATUS_NOTIFY_PROP            = "push_status"
+	EMAIL_NOTIFY_PROP                  = "email"
+	CHANNEL_MENTIONS_NOTIFY_PROP       = "channel"
+	COMMENTS_NOTIFY_PROP               = "comments"
+	MENTION_KEYS_NOTIFY_PROP           = "mention_keys"
+	COMMENTS_NOTIFY_NEVER              = "never"
+	COMMENTS_NOTIFY_ROOT               = "root"
+	COMMENTS_NOTIFY_ANY                = "any"
+	FIRST_NAME_NOTIFY_PROP             = "first_name"
+	AUTO_RESPONDER_ACTIVE_NOTIFY_PROP  = "auto_responder_active"
+	AUTO_RESPONDER_MESSAGE_NOTIFY_PROP = "auto_responder_message"
+
+	DEFAULT_LOCALE          = "en"
+	USER_AUTH_SERVICE_EMAIL = "email"
+
+	USER_EMAIL_MAX_LENGTH     = 128
+	USER_NICKNAME_MAX_RUNES   = 64
+	USER_POSITION_MAX_RUNES   = 128
+	USER_FIRST_NAME_MAX_RUNES = 64
+	USER_LAST_NAME_MAX_RUNES  = 64
+	USER_AUTH_DATA_MAX_LENGTH = 128
+	USER_NAME_MAX_LENGTH      = 64
+	USER_NAME_MIN_LENGTH      = 1
+	USER_PASSWORD_MAX_LENGTH  = 72
+	USER_LOCALE_MAX_LENGTH    = 5
+)
+
+type User struct {
+	Id                     string    `json:"id"`
+	CreateAt               int64     `json:"create_at,omitempty"`
+	UpdateAt               int64     `json:"update_at,omitempty"`
+	DeleteAt               int64     `json:"delete_at"`
+	Username               string    `json:"username"`
+	Password               string    `json:"password,omitempty"`
+	AuthData               *string   `json:"auth_data,omitempty"`
+	AuthService            string    `json:"auth_service"`
+	Email                  string    `json:"email"`
+	EmailVerified          bool      `json:"email_verified,omitempty"`
+	Nickname               string    `json:"nickname"`
+	FirstName              string    `json:"first_name"`
+	LastName               string    `json:"last_name"`
+	Position               string    `json:"position"`
+	Roles                  string    `json:"roles"`
+	AllowMarketing         bool      `json:"allow_marketing,omitempty"`
+	Props                  StringMap `json:"props,omitempty"`
+	NotifyProps            StringMap `json:"notify_props,omitempty"`
+	LastPasswordUpdate     int64     `json:"last_password_update,omitempty"`
+	LastPictureUpdate      int64     `json:"last_picture_update,omitempty"`
+	FailedAttempts         int       `json:"failed_attempts,omitempty"`
+	Locale                 string    `json:"locale"`
+	Timezone               StringMap `json:"timezone"`
+	MfaActive              bool      `json:"mfa_active,omitempty"`
+	MfaSecret              string    `json:"mfa_secret,omitempty"`
+	LastActivityAt         int64     `db:"-" json:"last_activity_at,omitempty"`
+	IsBot                  bool      `db:"-" json:"is_bot,omitempty"`
+	BotDescription         string    `db:"-" json:"bot_description,omitempty"`
+	BotLastIconUpdate      int64     `db:"-" json:"bot_last_icon_update,omitempty"`
+	TermsOfServiceId       string    `db:"-" json:"terms_of_service_id,omitempty"`
+	TermsOfServiceCreateAt int64     `db:"-" json:"terms_of_service_create_at,omitempty"`
+}
+
+type UserUpdate struct {
+	Old *User
+	New *User
+}
+
+type UserPatch struct {
+	Username    *string   `json:"username"`
+	Password    *string   `json:"password,omitempty"`
+	Nickname    *string   `json:"nickname"`
+	FirstName   *string   `json:"first_name"`
+	LastName    *string   `json:"last_name"`
+	Position    *string   `json:"position"`
+	Email       *string   `json:"email"`
+	Props       StringMap `json:"props,omitempty"`
+	NotifyProps StringMap `json:"notify_props,omitempty"`
+	Locale      *string   `json:"locale"`
+	Timezone    StringMap `json:"timezone"`
+}
+
+type UserAuth struct {
+	Password    string  `json:"password,omitempty"`
+	AuthData    *string `json:"auth_data,omitempty"`
+	AuthService string  `json:"auth_service,omitempty"`
+}
+
+type UserForIndexing struct {
+	Id          string   `json:"id"`
+	Username    string   `json:"username"`
+	Nickname    string   `json:"nickname"`
+	FirstName   string   `json:"first_name"`
+	LastName    string   `json:"last_name"`
+	CreateAt    int64    `json:"create_at"`
+	DeleteAt    int64    `json:"delete_at"`
+	TeamsIds    []string `json:"team_id"`
+	ChannelsIds []string `json:"channel_id"`
+}
+
+type ViewUsersRestrictions struct {
+	Teams    []string
+	Channels []string
+}
+
+func (r *ViewUsersRestrictions) Hash() string {
+	if r == nil {
+		return ""
+	}
+	ids := append(r.Teams, r.Channels...)
+	sort.Strings(ids)
+	hash := sha256.New()
+	hash.Write([]byte(strings.Join(ids, "")))
+	return fmt.Sprintf("%x", hash.Sum(nil))
+}
+
+type UserSlice []*User
+
+func (u UserSlice) Usernames() []string {
+	usernames := []string{}
+	for _, user := range u {
+		usernames = append(usernames, user.Username)
+	}
+	sort.Strings(usernames)
+	return usernames
+}
+
+func (u UserSlice) IDs() []string {
+	ids := []string{}
+	for _, user := range u {
+		ids = append(ids, user.Id)
+	}
+	return ids
+}
+
+func (u UserSlice) FilterWithoutBots() UserSlice {
+	var matches []*User
+
+	for _, user := range u {
+		if !user.IsBot {
+			matches = append(matches, user)
+		}
+	}
+	return UserSlice(matches)
+}
+
+func (u UserSlice) FilterByActive(active bool) UserSlice {
+	var matches []*User
+
+	for _, user := range u {
+		if user.DeleteAt == 0 && active {
+			matches = append(matches, user)
+		} else if user.DeleteAt != 0 && !active {
+			matches = append(matches, user)
+		}
+	}
+	return UserSlice(matches)
+}
+
+func (u UserSlice) FilterByID(ids []string) UserSlice {
+	var matches []*User
+	for _, user := range u {
+		for _, id := range ids {
+			if id == user.Id {
+				matches = append(matches, user)
+			}
+		}
+	}
+	return UserSlice(matches)
+}
+
+func (u UserSlice) FilterWithoutID(ids []string) UserSlice {
+	var keep []*User
+	for _, user := range u {
+		present := false
+		for _, id := range ids {
+			if id == user.Id {
+				present = true
+			}
+		}
+		if !present {
+			keep = append(keep, user)
+		}
+	}
+	return UserSlice(keep)
+}
+
+func (u *User) DeepCopy() *User {
+	copyUser := *u
+	if u.AuthData != nil {
+		copyUser.AuthData = NewString(*u.AuthData)
+	}
+	if u.Props != nil {
+		copyUser.Props = CopyStringMap(u.Props)
+	}
+	if u.NotifyProps != nil {
+		copyUser.NotifyProps = CopyStringMap(u.NotifyProps)
+	}
+	if u.Timezone != nil {
+		copyUser.Timezone = CopyStringMap(u.Timezone)
+	}
+	return &copyUser
+}
+
+// IsValid validates the user and returns an error if it isn't configured
+// correctly.
+func (u *User) IsValid() *AppError {
+
+	if !IsValidId(u.Id) {
+		return InvalidUserError("id", "")
+	}
+
+	if u.CreateAt == 0 {
+		return InvalidUserError("create_at", u.Id)
+	}
+
+	if u.UpdateAt == 0 {
+		return InvalidUserError("update_at", u.Id)
+	}
+
+	if !IsValidUsername(u.Username) {
+		return InvalidUserError("username", u.Id)
+	}
+
+	if len(u.Email) > USER_EMAIL_MAX_LENGTH || len(u.Email) == 0 || !IsValidEmail(u.Email) {
+		return InvalidUserError("email", u.Id)
+	}
+
+	if utf8.RuneCountInString(u.Nickname) > USER_NICKNAME_MAX_RUNES {
+		return InvalidUserError("nickname", u.Id)
+	}
+
+	if utf8.RuneCountInString(u.Position) > USER_POSITION_MAX_RUNES {
+		return InvalidUserError("position", u.Id)
+	}
+
+	if utf8.RuneCountInString(u.FirstName) > USER_FIRST_NAME_MAX_RUNES {
+		return InvalidUserError("first_name", u.Id)
+	}
+
+	if utf8.RuneCountInString(u.LastName) > USER_LAST_NAME_MAX_RUNES {
+		return InvalidUserError("last_name", u.Id)
+	}
+
+	if u.AuthData != nil && len(*u.AuthData) > USER_AUTH_DATA_MAX_LENGTH {
+		return InvalidUserError("auth_data", u.Id)
+	}
+
+	if u.AuthData != nil && len(*u.AuthData) > 0 && len(u.AuthService) == 0 {
+		return InvalidUserError("auth_data_type", u.Id)
+	}
+
+	if len(u.Password) > 0 && u.AuthData != nil && len(*u.AuthData) > 0 {
+		return InvalidUserError("auth_data_pwd", u.Id)
+	}
+
+	if len(u.Password) > USER_PASSWORD_MAX_LENGTH {
+		return InvalidUserError("password_limit", u.Id)
+	}
+
+	if !IsValidLocale(u.Locale) {
+		return InvalidUserError("locale", u.Id)
+	}
+
+	return nil
+}
+
+func InvalidUserError(fieldName string, userId string) *AppError {
+	id := fmt.Sprintf("model.user.is_valid.%s.app_error", fieldName)
+	details := ""
+	if userId != "" {
+		details = "user_id=" + userId
+	}
+	return NewAppError("User.IsValid", id, nil, details, http.StatusBadRequest)
+}
+
+func NormalizeUsername(username string) string {
+	return strings.ToLower(username)
+}
+
+func NormalizeEmail(email string) string {
+	return strings.ToLower(email)
+}
+
+// PreSave will set the Id and Username if missing.  It will also fill
+// in the CreateAt, UpdateAt times.  It will also hash the password.  It should
+// be run before saving the user to the db.
+func (u *User) PreSave() {
+	if u.Id == "" {
+		u.Id = NewId()
+	}
+
+	if u.Username == "" {
+		u.Username = NewId()
+	}
+
+	if u.AuthData != nil && *u.AuthData == "" {
+		u.AuthData = nil
+	}
+
+	u.Username = SanitizeUnicode(u.Username)
+	u.FirstName = SanitizeUnicode(u.FirstName)
+	u.LastName = SanitizeUnicode(u.LastName)
+	u.Nickname = SanitizeUnicode(u.Nickname)
+
+	u.Username = NormalizeUsername(u.Username)
+	u.Email = NormalizeEmail(u.Email)
+
+	u.CreateAt = GetMillis()
+	u.UpdateAt = u.CreateAt
+
+	u.LastPasswordUpdate = u.CreateAt
+
+	u.MfaActive = false
+
+	if u.Locale == "" {
+		u.Locale = DEFAULT_LOCALE
+	}
+
+	if u.Props == nil {
+		u.Props = make(map[string]string)
+	}
+
+	if u.NotifyProps == nil || len(u.NotifyProps) == 0 {
+		u.SetDefaultNotifications()
+	}
+
+	if u.Timezone == nil {
+		u.Timezone = timezones.DefaultUserTimezone()
+	}
+
+	if len(u.Password) > 0 {
+		u.Password = HashPassword(u.Password)
+	}
+}
+
+// PreUpdate should be run before updating the user in the db.
+func (u *User) PreUpdate() {
+	u.Username = SanitizeUnicode(u.Username)
+	u.FirstName = SanitizeUnicode(u.FirstName)
+	u.LastName = SanitizeUnicode(u.LastName)
+	u.Nickname = SanitizeUnicode(u.Nickname)
+	u.BotDescription = SanitizeUnicode(u.BotDescription)
+
+	u.Username = NormalizeUsername(u.Username)
+	u.Email = NormalizeEmail(u.Email)
+	u.UpdateAt = GetMillis()
+
+	u.FirstName = SanitizeUnicode(u.FirstName)
+	u.LastName = SanitizeUnicode(u.LastName)
+	u.Nickname = SanitizeUnicode(u.Nickname)
+	u.BotDescription = SanitizeUnicode(u.BotDescription)
+
+	if u.AuthData != nil && *u.AuthData == "" {
+		u.AuthData = nil
+	}
+
+	if u.NotifyProps == nil || len(u.NotifyProps) == 0 {
+		u.SetDefaultNotifications()
+	} else if _, ok := u.NotifyProps[MENTION_KEYS_NOTIFY_PROP]; ok {
+		// Remove any blank mention keys
+		splitKeys := strings.Split(u.NotifyProps[MENTION_KEYS_NOTIFY_PROP], ",")
+		goodKeys := []string{}
+		for _, key := range splitKeys {
+			if len(key) > 0 {
+				goodKeys = append(goodKeys, strings.ToLower(key))
+			}
+		}
+		u.NotifyProps[MENTION_KEYS_NOTIFY_PROP] = strings.Join(goodKeys, ",")
+	}
+}
+
+func (u *User) SetDefaultNotifications() {
+	u.NotifyProps = make(map[string]string)
+	u.NotifyProps[EMAIL_NOTIFY_PROP] = "true"
+	u.NotifyProps[PUSH_NOTIFY_PROP] = USER_NOTIFY_MENTION
+	u.NotifyProps[DESKTOP_NOTIFY_PROP] = USER_NOTIFY_MENTION
+	u.NotifyProps[DESKTOP_SOUND_NOTIFY_PROP] = "true"
+	u.NotifyProps[MENTION_KEYS_NOTIFY_PROP] = ""
+	u.NotifyProps[CHANNEL_MENTIONS_NOTIFY_PROP] = "true"
+	u.NotifyProps[PUSH_STATUS_NOTIFY_PROP] = STATUS_AWAY
+	u.NotifyProps[COMMENTS_NOTIFY_PROP] = COMMENTS_NOTIFY_NEVER
+	u.NotifyProps[FIRST_NAME_NOTIFY_PROP] = "false"
+}
+
+func (u *User) UpdateMentionKeysFromUsername(oldUsername string) {
+	nonUsernameKeys := []string{}
+	for _, key := range u.GetMentionKeys() {
+		if key != oldUsername && key != "@"+oldUsername {
+			nonUsernameKeys = append(nonUsernameKeys, key)
+		}
+	}
+
+	u.NotifyProps[MENTION_KEYS_NOTIFY_PROP] = ""
+	if len(nonUsernameKeys) > 0 {
+		u.NotifyProps[MENTION_KEYS_NOTIFY_PROP] += "," + strings.Join(nonUsernameKeys, ",")
+	}
+}
+
+func (u *User) GetMentionKeys() []string {
+	var keys []string
+
+	for _, key := range strings.Split(u.NotifyProps[MENTION_KEYS_NOTIFY_PROP], ",") {
+		trimmedKey := strings.TrimSpace(key)
+
+		if trimmedKey == "" {
+			continue
+		}
+
+		keys = append(keys, trimmedKey)
+	}
+
+	return keys
+}
+
+func (u *User) Patch(patch *UserPatch) {
+	if patch.Username != nil {
+		u.Username = *patch.Username
+	}
+
+	if patch.Nickname != nil {
+		u.Nickname = *patch.Nickname
+	}
+
+	if patch.FirstName != nil {
+		u.FirstName = *patch.FirstName
+	}
+
+	if patch.LastName != nil {
+		u.LastName = *patch.LastName
+	}
+
+	if patch.Position != nil {
+		u.Position = *patch.Position
+	}
+
+	if patch.Email != nil {
+		u.Email = *patch.Email
+	}
+
+	if patch.Props != nil {
+		u.Props = patch.Props
+	}
+
+	if patch.NotifyProps != nil {
+		u.NotifyProps = patch.NotifyProps
+	}
+
+	if patch.Locale != nil {
+		u.Locale = *patch.Locale
+	}
+
+	if patch.Timezone != nil {
+		u.Timezone = patch.Timezone
+	}
+}
+
+// ToJson convert a User to a json string
+func (u *User) ToJson() string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+func (u *UserPatch) ToJson() string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+func (u *UserAuth) ToJson() string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+// Generate a valid strong etag so the browser can cache the results
+func (u *User) Etag(showFullName, showEmail bool) string {
+	return Etag(u.Id, u.UpdateAt, u.TermsOfServiceId, u.TermsOfServiceCreateAt, showFullName, showEmail, u.BotLastIconUpdate)
+}
+
+// Remove any private data from the user object
+func (u *User) Sanitize(options map[string]bool) {
+	u.Password = ""
+	u.AuthData = NewString("")
+	u.MfaSecret = ""
+
+	if len(options) != 0 && !options["email"] {
+		u.Email = ""
+	}
+	if len(options) != 0 && !options["fullname"] {
+		u.FirstName = ""
+		u.LastName = ""
+	}
+	if len(options) != 0 && !options["passwordupdate"] {
+		u.LastPasswordUpdate = 0
+	}
+	if len(options) != 0 && !options["authservice"] {
+		u.AuthService = ""
+	}
+}
+
+// Remove any input data from the user object that is not user controlled
+func (u *User) SanitizeInput(isAdmin bool) {
+	if !isAdmin {
+		u.AuthData = NewString("")
+		u.AuthService = ""
+	}
+	u.LastPasswordUpdate = 0
+	u.LastPictureUpdate = 0
+	u.FailedAttempts = 0
+	u.EmailVerified = false
+	u.MfaActive = false
+	u.MfaSecret = ""
+}
+
+func (u *User) ClearNonProfileFields() {
+	u.Password = ""
+	u.AuthData = NewString("")
+	u.MfaSecret = ""
+	u.EmailVerified = false
+	u.AllowMarketing = false
+	u.NotifyProps = StringMap{}
+	u.LastPasswordUpdate = 0
+	u.FailedAttempts = 0
+}
+
+func (u *User) SanitizeProfile(options map[string]bool) {
+	u.ClearNonProfileFields()
+
+	u.Sanitize(options)
+}
+
+func (u *User) MakeNonNil() {
+	if u.Props == nil {
+		u.Props = make(map[string]string)
+	}
+
+	if u.NotifyProps == nil {
+		u.NotifyProps = make(map[string]string)
+	}
+}
+
+func (u *User) AddNotifyProp(key string, value string) {
+	u.MakeNonNil()
+
+	u.NotifyProps[key] = value
+}
+
+func (u *User) GetFullName() string {
+	if len(u.FirstName) > 0 && len(u.LastName) > 0 {
+		return u.FirstName + " " + u.LastName
+	} else if len(u.FirstName) > 0 {
+		return u.FirstName
+	} else if len(u.LastName) > 0 {
+		return u.LastName
+	} else {
+		return ""
+	}
+}
+
+func (u *User) getDisplayName(baseName, nameFormat string) string {
+	displayName := baseName
+
+	if nameFormat == SHOW_NICKNAME_FULLNAME {
+		if len(u.Nickname) > 0 {
+			displayName = u.Nickname
+		} else if fullName := u.GetFullName(); len(fullName) > 0 {
+			displayName = fullName
+		}
+	} else if nameFormat == SHOW_FULLNAME {
+		if fullName := u.GetFullName(); len(fullName) > 0 {
+			displayName = fullName
+		}
+	}
+
+	return displayName
+}
+
+func (u *User) GetDisplayName(nameFormat string) string {
+	displayName := u.Username
+
+	return u.getDisplayName(displayName, nameFormat)
+}
+
+func (u *User) GetDisplayNameWithPrefix(nameFormat, prefix string) string {
+	displayName := prefix + u.Username
+
+	return u.getDisplayName(displayName, nameFormat)
+}
+
+func (u *User) GetRoles() []string {
+	return strings.Fields(u.Roles)
+}
+
+func (u *User) GetRawRoles() string {
+	return u.Roles
+}
+
+func IsValidUserRoles(userRoles string) bool {
+
+	roles := strings.Fields(userRoles)
+
+	for _, r := range roles {
+		if !IsValidRoleName(r) {
+			return false
+		}
+	}
+
+	// Exclude just the system_admin role explicitly to prevent mistakes
+	if len(roles) == 1 && roles[0] == "system_admin" {
+		return false
+	}
+
+	return true
+}
+
+// Make sure you acually want to use this function. In context.go there are functions to check permissions
+// This function should not be used to check permissions.
+func (u *User) IsGuest() bool {
+	return IsInRole(u.Roles, SYSTEM_GUEST_ROLE_ID)
+}
+
+func (u *User) IsSystemAdmin() bool {
+	return IsInRole(u.Roles, SYSTEM_ADMIN_ROLE_ID)
+}
+
+// Make sure you acually want to use this function. In context.go there are functions to check permissions
+// This function should not be used to check permissions.
+func (u *User) IsInRole(inRole string) bool {
+	return IsInRole(u.Roles, inRole)
+}
+
+// Make sure you acually want to use this function. In context.go there are functions to check permissions
+// This function should not be used to check permissions.
+func IsInRole(userRoles string, inRole string) bool {
+	roles := strings.Split(userRoles, " ")
+
+	for _, r := range roles {
+		if r == inRole {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (u *User) IsSSOUser() bool {
+	return u.AuthService != "" && u.AuthService != USER_AUTH_SERVICE_EMAIL
+}
+
+func (u *User) IsOAuthUser() bool {
+	return u.AuthService == USER_AUTH_SERVICE_GITLAB
+}
+
+func (u *User) IsLDAPUser() bool {
+	return u.AuthService == USER_AUTH_SERVICE_LDAP
+}
+
+func (u *User) IsSAMLUser() bool {
+	return u.AuthService == USER_AUTH_SERVICE_SAML
+}
+
+func (u *User) GetPreferredTimezone() string {
+	return GetPreferredTimezone(u.Timezone)
+}
+
+// UserFromJson will decode the input and return a User
+func UserFromJson(data io.Reader) *User {
+	var user *User
+	json.NewDecoder(data).Decode(&user)
+	return user
+}
+
+func UserPatchFromJson(data io.Reader) *UserPatch {
+	var user *UserPatch
+	json.NewDecoder(data).Decode(&user)
+	return user
+}
+
+func UserAuthFromJson(data io.Reader) *UserAuth {
+	var user *UserAuth
+	json.NewDecoder(data).Decode(&user)
+	return user
+}
+
+func UserMapToJson(u map[string]*User) string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+func UserMapFromJson(data io.Reader) map[string]*User {
+	var users map[string]*User
+	json.NewDecoder(data).Decode(&users)
+	return users
+}
+
+func UserListToJson(u []*User) string {
+	b, _ := json.Marshal(u)
+	return string(b)
+}
+
+func UserListFromJson(data io.Reader) []*User {
+	var users []*User
+	json.NewDecoder(data).Decode(&users)
+	return users
+}
+
+// HashPassword generates a hash using the bcrypt.GenerateFromPassword
+func HashPassword(password string) string {
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), 10)
+	if err != nil {
+		panic(err)
+	}
+
+	return string(hash)
+}
+
+// ComparePassword compares the hash
+func ComparePassword(hash string, password string) bool {
+
+	if len(password) == 0 || len(hash) == 0 {
+		return false
+	}
+
+	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
+	return err == nil
+}
+
+var validUsernameChars = regexp.MustCompile(`^[a-z0-9\.\-_]+$`)
+
+var restrictedUsernames = []string{
+	"all",
+	"channel",
+	"matterbot",
+	"system",
+}
+
+func IsValidUsername(s string) bool {
+	if len(s) < USER_NAME_MIN_LENGTH || len(s) > USER_NAME_MAX_LENGTH {
+		return false
+	}
+
+	if !validUsernameChars.MatchString(s) {
+		return false
+	}
+
+	for _, restrictedUsername := range restrictedUsernames {
+		if s == restrictedUsername {
+			return false
+		}
+	}
+
+	return true
+}
+
+func CleanUsername(s string) string {
+	s = NormalizeUsername(strings.Replace(s, " ", "-", -1))
+
+	for _, value := range reservedName {
+		if s == value {
+			s = strings.Replace(s, value, "", -1)
+		}
+	}
+
+	s = strings.TrimSpace(s)
+
+	for _, c := range s {
+		char := fmt.Sprintf("%c", c)
+		if !validUsernameChars.MatchString(char) {
+			s = strings.Replace(s, char, "-", -1)
+		}
+	}
+
+	s = strings.Trim(s, "-")
+
+	if !IsValidUsername(s) {
+		s = "a" + NewId()
+	}
+
+	return s
+}
+
+func IsValidUserNotifyLevel(notifyLevel string) bool {
+	return notifyLevel == CHANNEL_NOTIFY_ALL ||
+		notifyLevel == CHANNEL_NOTIFY_MENTION ||
+		notifyLevel == CHANNEL_NOTIFY_NONE
+}
+
+func IsValidPushStatusNotifyLevel(notifyLevel string) bool {
+	return notifyLevel == STATUS_ONLINE ||
+		notifyLevel == STATUS_AWAY ||
+		notifyLevel == STATUS_OFFLINE
+}
+
+func IsValidCommentsNotifyLevel(notifyLevel string) bool {
+	return notifyLevel == COMMENTS_NOTIFY_ANY ||
+		notifyLevel == COMMENTS_NOTIFY_ROOT ||
+		notifyLevel == COMMENTS_NOTIFY_NEVER
+}
+
+func IsValidEmailBatchingInterval(emailInterval string) bool {
+	return emailInterval == PREFERENCE_EMAIL_INTERVAL_IMMEDIATELY ||
+		emailInterval == PREFERENCE_EMAIL_INTERVAL_FIFTEEN ||
+		emailInterval == PREFERENCE_EMAIL_INTERVAL_HOUR
+}
+
+func IsValidLocale(locale string) bool {
+	if locale != "" {
+		if len(locale) > USER_LOCALE_MAX_LENGTH {
+			return false
+		} else if _, err := language.Parse(locale); err != nil {
+			return false
+		}
+	}
+
+	return true
+}
+
+type UserWithGroups struct {
+	User
+	GroupIDs    *string  `json:"-"`
+	Groups      []*Group `json:"groups"`
+	SchemeGuest bool     `json:"scheme_guest"`
+	SchemeUser  bool     `json:"scheme_user"`
+	SchemeAdmin bool     `json:"scheme_admin"`
+}
+
+func (u *UserWithGroups) GetGroupIDs() []string {
+	if u.GroupIDs == nil {
+		return nil
+	}
+	trimmed := strings.TrimSpace(*u.GroupIDs)
+	if len(trimmed) == 0 {
+		return nil
+	}
+	return strings.Split(trimmed, ",")
+}
+
+type UsersWithGroupsAndCount struct {
+	Users []*UserWithGroups `json:"users"`
+	Count int64             `json:"total_count"`
+}
+
+func UsersWithGroupsAndCountFromJson(data io.Reader) *UsersWithGroupsAndCount {
+	uwg := &UsersWithGroupsAndCount{}
+	bodyBytes, _ := ioutil.ReadAll(data)
+	json.Unmarshal(bodyBytes, uwg)
+	return uwg
+}
+
+var passwordRandomSource = rand.NewSource(time.Now().Unix())
+var passwordSpecialChars = "!$%^&*(),."
+var passwordNumbers = "0123456789"
+var passwordUpperCaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+var passwordLowerCaseLetters = "abcdefghijklmnopqrstuvwxyz"
+var passwordAllChars = passwordSpecialChars + passwordNumbers + passwordUpperCaseLetters + passwordLowerCaseLetters
+
+func GeneratePassword(minimumLength int) string {
+	r := rand.New(passwordRandomSource)
+
+	// Make sure we are guaranteed at least one of each type to meet any possible password complexity requirements.
+	password := string([]rune(passwordUpperCaseLetters)[r.Intn(len(passwordUpperCaseLetters))]) +
+		string([]rune(passwordNumbers)[r.Intn(len(passwordNumbers))]) +
+		string([]rune(passwordLowerCaseLetters)[r.Intn(len(passwordLowerCaseLetters))]) +
+		string([]rune(passwordSpecialChars)[r.Intn(len(passwordSpecialChars))])
+
+	for len(password) < minimumLength {
+		i := r.Intn(len(passwordAllChars))
+		password = password + string([]rune(passwordAllChars)[i])
+	}
+
+	return password
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token.go
new file mode 100644
index 00000000..f458a6d9
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token.go
@@ -0,0 +1,65 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+)
+
+type UserAccessToken struct {
+	Id          string `json:"id"`
+	Token       string `json:"token,omitempty"`
+	UserId      string `json:"user_id"`
+	Description string `json:"description"`
+	IsActive    bool   `json:"is_active"`
+}
+
+func (t *UserAccessToken) IsValid() *AppError {
+	if !IsValidId(t.Id) {
+		return NewAppError("UserAccessToken.IsValid", "model.user_access_token.is_valid.id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(t.Token) != 26 {
+		return NewAppError("UserAccessToken.IsValid", "model.user_access_token.is_valid.token.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if !IsValidId(t.UserId) {
+		return NewAppError("UserAccessToken.IsValid", "model.user_access_token.is_valid.user_id.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	if len(t.Description) > 255 {
+		return NewAppError("UserAccessToken.IsValid", "model.user_access_token.is_valid.description.app_error", nil, "", http.StatusBadRequest)
+	}
+
+	return nil
+}
+
+func (t *UserAccessToken) PreSave() {
+	t.Id = NewId()
+	t.IsActive = true
+}
+
+func (t *UserAccessToken) ToJson() string {
+	b, _ := json.Marshal(t)
+	return string(b)
+}
+
+func UserAccessTokenFromJson(data io.Reader) *UserAccessToken {
+	var t *UserAccessToken
+	json.NewDecoder(data).Decode(&t)
+	return t
+}
+
+func UserAccessTokenListToJson(t []*UserAccessToken) string {
+	b, _ := json.Marshal(t)
+	return string(b)
+}
+
+func UserAccessTokenListFromJson(data io.Reader) []*UserAccessToken {
+	var t []*UserAccessToken
+	json.NewDecoder(data).Decode(&t)
+	return t
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token_search.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token_search.go
new file mode 100644
index 00000000..a692f692
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_access_token_search.go
@@ -0,0 +1,35 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type UserAccessTokenSearch struct {
+	Term string `json:"term"`
+}
+
+// ToJson convert a UserAccessTokenSearch to json string
+func (c *UserAccessTokenSearch) ToJson() string {
+	b, err := json.Marshal(c)
+	if err != nil {
+		return ""
+	}
+
+	return string(b)
+}
+
+// UserAccessTokenSearchJson decodes the input and returns a UserAccessTokenSearch
+func UserAccessTokenSearchFromJson(data io.Reader) *UserAccessTokenSearch {
+	decoder := json.NewDecoder(data)
+	var cs UserAccessTokenSearch
+	err := decoder.Decode(&cs)
+	if err == nil {
+		return &cs
+	}
+
+	return nil
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_autocomplete.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_autocomplete.go
new file mode 100644
index 00000000..48a892e2
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_autocomplete.go
@@ -0,0 +1,61 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type UserAutocompleteInChannel struct {
+	InChannel    []*User `json:"in_channel"`
+	OutOfChannel []*User `json:"out_of_channel"`
+}
+
+type UserAutocompleteInTeam struct {
+	InTeam []*User `json:"in_team"`
+}
+
+type UserAutocomplete struct {
+	Users        []*User `json:"users"`
+	OutOfChannel []*User `json:"out_of_channel,omitempty"`
+}
+
+func (o *UserAutocomplete) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func UserAutocompleteFromJson(data io.Reader) *UserAutocomplete {
+	decoder := json.NewDecoder(data)
+	autocomplete := new(UserAutocomplete)
+	err := decoder.Decode(&autocomplete)
+	if err == nil {
+		return autocomplete
+	} else {
+		return nil
+	}
+}
+
+func (o *UserAutocompleteInChannel) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func UserAutocompleteInChannelFromJson(data io.Reader) *UserAutocompleteInChannel {
+	var o *UserAutocompleteInChannel
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
+
+func (o *UserAutocompleteInTeam) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func UserAutocompleteInTeamFromJson(data io.Reader) *UserAutocompleteInTeam {
+	var o *UserAutocompleteInTeam
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_count.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_count.go
new file mode 100644
index 00000000..3c20b23a
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_count.go
@@ -0,0 +1,18 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+// Options for counting users
+type UserCountOptions struct {
+	// Should include users that are bots
+	IncludeBotAccounts bool
+	// Should include deleted users (of any type)
+	IncludeDeleted bool
+	// Exclude regular users
+	ExcludeRegularUsers bool
+	// Only include users on a specific team. "" for any team.
+	TeamId string
+	// Restrict to search in a list of teams and channels
+	ViewRestrictions *ViewUsersRestrictions
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_get.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_get.go
new file mode 100644
index 00000000..f865d53c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_get.go
@@ -0,0 +1,38 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+type UserGetOptions struct {
+	// Filters the users in the team
+	InTeamId string
+	// Filters the users not in the team
+	NotInTeamId string
+	// Filters the users in the channel
+	InChannelId string
+	// Filters the users not in the channel
+	NotInChannelId string
+	// Filters the users group constrained
+	GroupConstrained bool
+	// Filters the users without a team
+	WithoutTeam bool
+	// Filters the inactive users
+	Inactive bool
+	// Filters the active users
+	Active bool
+	// Filters for the given role
+	Role string
+	// Sorting option
+	Sort string
+	// Restrict to search in a list of teams and channels
+	ViewRestrictions *ViewUsersRestrictions
+	// Page
+	Page int
+	// Page size
+	PerPage int
+}
+
+type UserGetByIdsOptions struct {
+	// Since filters the users based on their UpdateAt timestamp.
+	Since int64
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_search.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_search.go
new file mode 100644
index 00000000..fa9fa8a2
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_search.go
@@ -0,0 +1,67 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+const USER_SEARCH_MAX_LIMIT = 1000
+const USER_SEARCH_DEFAULT_LIMIT = 100
+
+// UserSearch captures the parameters provided by a client for initiating a user search.
+type UserSearch struct {
+	Term             string `json:"term"`
+	TeamId           string `json:"team_id"`
+	NotInTeamId      string `json:"not_in_team_id"`
+	InChannelId      string `json:"in_channel_id"`
+	NotInChannelId   string `json:"not_in_channel_id"`
+	GroupConstrained bool   `json:"group_constrained"`
+	AllowInactive    bool   `json:"allow_inactive"`
+	WithoutTeam      bool   `json:"without_team"`
+	Limit            int    `json:"limit"`
+	Role             string `json:"role"`
+}
+
+// ToJson convert a User to a json string
+func (u *UserSearch) ToJson() []byte {
+	b, _ := json.Marshal(u)
+	return b
+}
+
+// UserSearchFromJson will decode the input and return a User
+func UserSearchFromJson(data io.Reader) *UserSearch {
+	us := UserSearch{}
+	json.NewDecoder(data).Decode(&us)
+
+	if us.Limit == 0 {
+		us.Limit = USER_SEARCH_DEFAULT_LIMIT
+	}
+
+	return &us
+}
+
+// UserSearchOptions captures internal parameters derived from the user's permissions and a
+// UserSearch request.
+type UserSearchOptions struct {
+	// IsAdmin tracks whether or not the search is being conducted by an administrator.
+	IsAdmin bool
+	// AllowEmails allows search to examine the emails of users.
+	AllowEmails bool
+	// AllowFullNames allows search to examine the full names of users, vs. just usernames and nicknames.
+	AllowFullNames bool
+	// AllowInactive configures whether or not to return inactive users in the search results.
+	AllowInactive bool
+	// Narrows the search to the group constrained users
+	GroupConstrained bool
+	// Limit limits the total number of results returned.
+	Limit int
+	// Filters for the given role
+	Role string
+	// Restrict to search in a list of teams and channels
+	ViewRestrictions *ViewUsersRestrictions
+	// List of allowed channels
+	ListOfAllowedChannels []string
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/user_terms_of_service.go b/vendor/github.com/mattermost/mattermost-server/v5/model/user_terms_of_service.go
new file mode 100644
index 00000000..9a0f4f18
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/user_terms_of_service.go
@@ -0,0 +1,61 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+type UserTermsOfService struct {
+	UserId           string `json:"user_id"`
+	TermsOfServiceId string `json:"terms_of_service_id"`
+	CreateAt         int64  `json:"create_at"`
+}
+
+func (ut *UserTermsOfService) IsValid() *AppError {
+	if !IsValidId(ut.UserId) {
+		return InvalidUserTermsOfServiceError("user_id", ut.UserId)
+	}
+
+	if !IsValidId(ut.TermsOfServiceId) {
+		return InvalidUserTermsOfServiceError("terms_of_service_id", ut.UserId)
+	}
+
+	if ut.CreateAt == 0 {
+		return InvalidUserTermsOfServiceError("create_at", ut.UserId)
+	}
+
+	return nil
+}
+
+func (ut *UserTermsOfService) ToJson() string {
+	b, _ := json.Marshal(ut)
+	return string(b)
+}
+
+func (ut *UserTermsOfService) PreSave() {
+	if ut.UserId == "" {
+		ut.UserId = NewId()
+	}
+
+	ut.CreateAt = GetMillis()
+}
+
+func UserTermsOfServiceFromJson(data io.Reader) *UserTermsOfService {
+	var userTermsOfService *UserTermsOfService
+	json.NewDecoder(data).Decode(&userTermsOfService)
+	return userTermsOfService
+}
+
+func InvalidUserTermsOfServiceError(fieldName string, userTermsOfServiceId string) *AppError {
+	id := fmt.Sprintf("model.user_terms_of_service.is_valid.%s.app_error", fieldName)
+	details := ""
+	if userTermsOfServiceId != "" {
+		details = "user_terms_of_service_user_id=" + userTermsOfServiceId
+	}
+	return NewAppError("UserTermsOfService.IsValid", id, nil, details, http.StatusBadRequest)
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/users_stats.go b/vendor/github.com/mattermost/mattermost-server/v5/model/users_stats.go
new file mode 100644
index 00000000..3e18296e
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/users_stats.go
@@ -0,0 +1,24 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type UsersStats struct {
+	TotalUsersCount int64 `json:"total_users_count"`
+}
+
+func (o *UsersStats) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func UsersStatsFromJson(data io.Reader) *UsersStats {
+	var o *UsersStats
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/utils.go b/vendor/github.com/mattermost/mattermost-server/v5/model/utils.go
new file mode 100644
index 00000000..e75fb022
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/utils.go
@@ -0,0 +1,703 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/base32"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"net/mail"
+	"net/url"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+	"unicode"
+
+	goi18n "github.com/mattermost/go-i18n/i18n"
+	"github.com/pborman/uuid"
+)
+
+const (
+	LOWERCASE_LETTERS = "abcdefghijklmnopqrstuvwxyz"
+	UPPERCASE_LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+	NUMBERS           = "0123456789"
+	SYMBOLS           = " !\"\\#$%&'()*+,-./:;<=>?@[]^_`|~"
+)
+
+type StringInterface map[string]interface{}
+type StringMap map[string]string
+type StringArray []string
+
+func (sa StringArray) Equals(input StringArray) bool {
+
+	if len(sa) != len(input) {
+		return false
+	}
+
+	for index := range sa {
+
+		if sa[index] != input[index] {
+			return false
+		}
+	}
+
+	return true
+}
+
+var translateFunc goi18n.TranslateFunc = nil
+
+func AppErrorInit(t goi18n.TranslateFunc) {
+	translateFunc = t
+}
+
+type AppError struct {
+	Id            string `json:"id"`
+	Message       string `json:"message"`               // Message to be display to the end user without debugging information
+	DetailedError string `json:"detailed_error"`        // Internal error string to help the developer
+	RequestId     string `json:"request_id,omitempty"`  // The RequestId that's also set in the header
+	StatusCode    int    `json:"status_code,omitempty"` // The http status code
+	Where         string `json:"-"`                     // The function where it happened in the form of Struct.Func
+	IsOAuth       bool   `json:"is_oauth,omitempty"`    // Whether the error is OAuth specific
+	params        map[string]interface{}
+}
+
+func (er *AppError) Error() string {
+	return er.Where + ": " + er.Message + ", " + er.DetailedError
+}
+
+func (er *AppError) Translate(T goi18n.TranslateFunc) {
+	if T == nil {
+		er.Message = er.Id
+		return
+	}
+
+	if er.params == nil {
+		er.Message = T(er.Id)
+	} else {
+		er.Message = T(er.Id, er.params)
+	}
+}
+
+func (er *AppError) SystemMessage(T goi18n.TranslateFunc) string {
+	if er.params == nil {
+		return T(er.Id)
+	} else {
+		return T(er.Id, er.params)
+	}
+}
+
+func (er *AppError) ToJson() string {
+	b, _ := json.Marshal(er)
+	return string(b)
+}
+
+// AppErrorFromJson will decode the input and return an AppError
+func AppErrorFromJson(data io.Reader) *AppError {
+	str := ""
+	bytes, rerr := ioutil.ReadAll(data)
+	if rerr != nil {
+		str = rerr.Error()
+	} else {
+		str = string(bytes)
+	}
+
+	decoder := json.NewDecoder(strings.NewReader(str))
+	var er AppError
+	err := decoder.Decode(&er)
+	if err == nil {
+		return &er
+	} else {
+		return NewAppError("AppErrorFromJson", "model.utils.decode_json.app_error", nil, "body: "+str, http.StatusInternalServerError)
+	}
+}
+
+func NewAppError(where string, id string, params map[string]interface{}, details string, status int) *AppError {
+	ap := &AppError{}
+	ap.Id = id
+	ap.params = params
+	ap.Message = id
+	ap.Where = where
+	ap.DetailedError = details
+	ap.StatusCode = status
+	ap.IsOAuth = false
+	ap.Translate(translateFunc)
+	return ap
+}
+
+var encoding = base32.NewEncoding("ybndrfg8ejkmcpqxot1uwisza345h769")
+
+// NewId is a globally unique identifier.  It is a [A-Z0-9] string 26
+// characters long.  It is a UUID version 4 Guid that is zbased32 encoded
+// with the padding stripped off.
+func NewId() string {
+	var b bytes.Buffer
+	encoder := base32.NewEncoder(encoding, &b)
+	encoder.Write(uuid.NewRandom())
+	encoder.Close()
+	b.Truncate(26) // removes the '==' padding
+	return b.String()
+}
+
+// NewRandomTeamName is a NewId that will be a valid team name.
+func NewRandomTeamName() string {
+	teamName := NewId()
+	for IsReservedTeamName(teamName) {
+		teamName = NewId()
+	}
+	return teamName
+}
+
+// NewRandomString returns a random string of the given length.
+// The resulting entropy will be (5 * length) bits.
+func NewRandomString(length int) string {
+	data := make([]byte, 1+(length*5/8))
+	rand.Read(data)
+	return encoding.EncodeToString(data)[:length]
+}
+
+// NewRandomBase32String returns a base32 encoded string of a random slice
+// of bytes of the given size. The resulting entropy will be (8 * size) bits.
+func NewRandomBase32String(size int) string {
+	data := make([]byte, size)
+	rand.Read(data)
+	return base32.StdEncoding.EncodeToString(data)
+}
+
+// GetMillis is a convenience method to get milliseconds since epoch.
+func GetMillis() int64 {
+	return time.Now().UnixNano() / int64(time.Millisecond)
+}
+
+// GetMillisForTime is a convenience method to get milliseconds since epoch for provided Time.
+func GetMillisForTime(thisTime time.Time) int64 {
+	return thisTime.UnixNano() / int64(time.Millisecond)
+}
+
+// PadDateStringZeros is a convenience method to pad 2 digit date parts with zeros to meet ISO 8601 format
+func PadDateStringZeros(dateString string) string {
+	parts := strings.Split(dateString, "-")
+	for index, part := range parts {
+		if len(part) == 1 {
+			parts[index] = "0" + part
+		}
+	}
+	dateString = strings.Join(parts[:], "-")
+	return dateString
+}
+
+// GetStartOfDayMillis is a convenience method to get milliseconds since epoch for provided date's start of day
+func GetStartOfDayMillis(thisTime time.Time, timeZoneOffset int) int64 {
+	localSearchTimeZone := time.FixedZone("Local Search Time Zone", timeZoneOffset)
+	resultTime := time.Date(thisTime.Year(), thisTime.Month(), thisTime.Day(), 0, 0, 0, 0, localSearchTimeZone)
+	return GetMillisForTime(resultTime)
+}
+
+// GetEndOfDayMillis is a convenience method to get milliseconds since epoch for provided date's end of day
+func GetEndOfDayMillis(thisTime time.Time, timeZoneOffset int) int64 {
+	localSearchTimeZone := time.FixedZone("Local Search Time Zone", timeZoneOffset)
+	resultTime := time.Date(thisTime.Year(), thisTime.Month(), thisTime.Day(), 23, 59, 59, 999999999, localSearchTimeZone)
+	return GetMillisForTime(resultTime)
+}
+
+func CopyStringMap(originalMap map[string]string) map[string]string {
+	copyMap := make(map[string]string)
+	for k, v := range originalMap {
+		copyMap[k] = v
+	}
+	return copyMap
+}
+
+// MapToJson converts a map to a json string
+func MapToJson(objmap map[string]string) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+// MapBoolToJson converts a map to a json string
+func MapBoolToJson(objmap map[string]bool) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+// MapFromJson will decode the key/value pair map
+func MapFromJson(data io.Reader) map[string]string {
+	decoder := json.NewDecoder(data)
+
+	var objmap map[string]string
+	if err := decoder.Decode(&objmap); err != nil {
+		return make(map[string]string)
+	} else {
+		return objmap
+	}
+}
+
+// MapFromJson will decode the key/value pair map
+func MapBoolFromJson(data io.Reader) map[string]bool {
+	decoder := json.NewDecoder(data)
+
+	var objmap map[string]bool
+	if err := decoder.Decode(&objmap); err != nil {
+		return make(map[string]bool)
+	} else {
+		return objmap
+	}
+}
+
+func ArrayToJson(objmap []string) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+func ArrayFromJson(data io.Reader) []string {
+	decoder := json.NewDecoder(data)
+
+	var objmap []string
+	if err := decoder.Decode(&objmap); err != nil {
+		return make([]string, 0)
+	} else {
+		return objmap
+	}
+}
+
+func ArrayFromInterface(data interface{}) []string {
+	stringArray := []string{}
+
+	dataArray, ok := data.([]interface{})
+	if !ok {
+		return stringArray
+	}
+
+	for _, v := range dataArray {
+		if str, ok := v.(string); ok {
+			stringArray = append(stringArray, str)
+		}
+	}
+
+	return stringArray
+}
+
+func StringInterfaceToJson(objmap map[string]interface{}) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+func StringInterfaceFromJson(data io.Reader) map[string]interface{} {
+	decoder := json.NewDecoder(data)
+
+	var objmap map[string]interface{}
+	if err := decoder.Decode(&objmap); err != nil {
+		return make(map[string]interface{})
+	} else {
+		return objmap
+	}
+}
+
+func StringToJson(s string) string {
+	b, _ := json.Marshal(s)
+	return string(b)
+}
+
+func StringFromJson(data io.Reader) string {
+	decoder := json.NewDecoder(data)
+
+	var s string
+	if err := decoder.Decode(&s); err != nil {
+		return ""
+	} else {
+		return s
+	}
+}
+
+func GetServerIpAddress(iface string) string {
+	var addrs []net.Addr
+	if len(iface) == 0 {
+		var err error
+		addrs, err = net.InterfaceAddrs()
+		if err != nil {
+			return ""
+		}
+	} else {
+		interfaces, err := net.Interfaces()
+		if err != nil {
+			return ""
+		}
+		for _, i := range interfaces {
+			if i.Name == iface {
+				addrs, err = i.Addrs()
+				if err != nil {
+					return ""
+				}
+				break
+			}
+		}
+	}
+
+	for _, addr := range addrs {
+
+		if ip, ok := addr.(*net.IPNet); ok && !ip.IP.IsLoopback() && !ip.IP.IsLinkLocalUnicast() && !ip.IP.IsLinkLocalMulticast() {
+			if ip.IP.To4() != nil {
+				return ip.IP.String()
+			}
+		}
+	}
+
+	return ""
+}
+
+func IsLower(s string) bool {
+	return strings.ToLower(s) == s
+}
+
+func IsValidEmail(email string) bool {
+	if !IsLower(email) {
+		return false
+	}
+
+	if addr, err := mail.ParseAddress(email); err != nil {
+		return false
+	} else if addr.Name != "" {
+		// mail.ParseAddress accepts input of the form "Billy Bob <billy@example.com>" which we don't allow
+		return false
+	}
+
+	return true
+}
+
+var reservedName = []string{
+	"admin",
+	"api",
+	"channel",
+	"claim",
+	"error",
+	"help",
+	"landing",
+	"login",
+	"mfa",
+	"oauth",
+	"plug",
+	"plugins",
+	"post",
+	"signup",
+}
+
+func IsValidChannelIdentifier(s string) bool {
+
+	if !IsValidAlphaNumHyphenUnderscore(s, true) {
+		return false
+	}
+
+	if len(s) < CHANNEL_NAME_MIN_LENGTH {
+		return false
+	}
+
+	return true
+}
+
+func IsValidAlphaNum(s string) bool {
+	validAlphaNum := regexp.MustCompile(`^[a-z0-9]+([a-z\-0-9]+|(__)?)[a-z0-9]+$`)
+
+	return validAlphaNum.MatchString(s)
+}
+
+func IsValidAlphaNumHyphenUnderscore(s string, withFormat bool) bool {
+	if withFormat {
+		validAlphaNumHyphenUnderscore := regexp.MustCompile(`^[a-z0-9]+([a-z\-\_0-9]+|(__)?)[a-z0-9]+$`)
+		return validAlphaNumHyphenUnderscore.MatchString(s)
+	}
+
+	validSimpleAlphaNumHyphenUnderscore := regexp.MustCompile(`^[a-zA-Z0-9\-_]+$`)
+	return validSimpleAlphaNumHyphenUnderscore.MatchString(s)
+}
+
+func Etag(parts ...interface{}) string {
+
+	etag := CurrentVersion
+
+	for _, part := range parts {
+		etag += fmt.Sprintf(".%v", part)
+	}
+
+	return etag
+}
+
+var validHashtag = regexp.MustCompile(`^(#\pL[\pL\d\-_.]*[\pL\d])$`)
+var puncStart = regexp.MustCompile(`^[^\pL\d\s#]+`)
+var hashtagStart = regexp.MustCompile(`^#{2,}`)
+var puncEnd = regexp.MustCompile(`[^\pL\d\s]+$`)
+
+func ParseHashtags(text string) (string, string) {
+	words := strings.Fields(text)
+
+	hashtagString := ""
+	plainString := ""
+	for _, word := range words {
+		// trim off surrounding punctuation
+		word = puncStart.ReplaceAllString(word, "")
+		word = puncEnd.ReplaceAllString(word, "")
+
+		// and remove extra pound #s
+		word = hashtagStart.ReplaceAllString(word, "#")
+
+		if validHashtag.MatchString(word) {
+			hashtagString += " " + word
+		} else {
+			plainString += " " + word
+		}
+	}
+
+	if len(hashtagString) > 1000 {
+		hashtagString = hashtagString[:999]
+		lastSpace := strings.LastIndex(hashtagString, " ")
+		if lastSpace > -1 {
+			hashtagString = hashtagString[:lastSpace]
+		} else {
+			hashtagString = ""
+		}
+	}
+
+	return strings.TrimSpace(hashtagString), strings.TrimSpace(plainString)
+}
+
+func IsFileExtImage(ext string) bool {
+	ext = strings.ToLower(ext)
+	for _, imgExt := range IMAGE_EXTENSIONS {
+		if ext == imgExt {
+			return true
+		}
+	}
+	return false
+}
+
+func GetImageMimeType(ext string) string {
+	ext = strings.ToLower(ext)
+	if len(IMAGE_MIME_TYPES[ext]) == 0 {
+		return "image"
+	} else {
+		return IMAGE_MIME_TYPES[ext]
+	}
+}
+
+func ClearMentionTags(post string) string {
+	post = strings.Replace(post, "<mention>", "", -1)
+	post = strings.Replace(post, "</mention>", "", -1)
+	return post
+}
+
+func IsValidHttpUrl(rawUrl string) bool {
+	if strings.Index(rawUrl, "http://") != 0 && strings.Index(rawUrl, "https://") != 0 {
+		return false
+	}
+
+	if _, err := url.ParseRequestURI(rawUrl); err != nil {
+		return false
+	}
+
+	return true
+}
+
+func IsValidTurnOrStunServer(rawUri string) bool {
+	if strings.Index(rawUri, "turn:") != 0 && strings.Index(rawUri, "stun:") != 0 {
+		return false
+	}
+
+	if _, err := url.ParseRequestURI(rawUri); err != nil {
+		return false
+	}
+
+	return true
+}
+
+func IsSafeLink(link *string) bool {
+	if link != nil {
+		if IsValidHttpUrl(*link) {
+			return true
+		} else if strings.HasPrefix(*link, "/") {
+			return true
+		} else {
+			return false
+		}
+	}
+
+	return true
+}
+
+func IsValidWebsocketUrl(rawUrl string) bool {
+	if strings.Index(rawUrl, "ws://") != 0 && strings.Index(rawUrl, "wss://") != 0 {
+		return false
+	}
+
+	if _, err := url.ParseRequestURI(rawUrl); err != nil {
+		return false
+	}
+
+	return true
+}
+
+func IsValidTrueOrFalseString(value string) bool {
+	return value == "true" || value == "false"
+}
+
+func IsValidNumberString(value string) bool {
+	if _, err := strconv.Atoi(value); err != nil {
+		return false
+	}
+
+	return true
+}
+
+func IsValidId(value string) bool {
+	if len(value) != 26 {
+		return false
+	}
+
+	for _, r := range value {
+		if !unicode.IsLetter(r) && !unicode.IsNumber(r) {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Copied from https://golang.org/src/net/dnsclient.go#L119
+func IsDomainName(s string) bool {
+	// See RFC 1035, RFC 3696.
+	// Presentation format has dots before every label except the first, and the
+	// terminal empty label is optional here because we assume fully-qualified
+	// (absolute) input. We must therefore reserve space for the first and last
+	// labels' length octets in wire format, where they are necessary and the
+	// maximum total length is 255.
+	// So our _effective_ maximum is 253, but 254 is not rejected if the last
+	// character is a dot.
+	l := len(s)
+	if l == 0 || l > 254 || l == 254 && s[l-1] != '.' {
+		return false
+	}
+
+	last := byte('.')
+	ok := false // Ok once we've seen a letter.
+	partlen := 0
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		switch {
+		default:
+			return false
+		case 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || c == '_':
+			ok = true
+			partlen++
+		case '0' <= c && c <= '9':
+			// fine
+			partlen++
+		case c == '-':
+			// Byte before dash cannot be dot.
+			if last == '.' {
+				return false
+			}
+			partlen++
+		case c == '.':
+			// Byte before dot cannot be dot, dash.
+			if last == '.' || last == '-' {
+				return false
+			}
+			if partlen > 63 || partlen == 0 {
+				return false
+			}
+			partlen = 0
+		}
+		last = c
+	}
+	if last == '-' || partlen > 63 {
+		return false
+	}
+
+	return ok
+}
+
+func RemoveDuplicateStrings(in []string) []string {
+	out := []string{}
+	seen := make(map[string]bool, len(in))
+
+	for _, item := range in {
+		if !seen[item] {
+			out = append(out, item)
+
+			seen[item] = true
+		}
+	}
+
+	return out
+}
+
+func GetPreferredTimezone(timezone StringMap) string {
+	if timezone["useAutomaticTimezone"] == "true" {
+		return timezone["automaticTimezone"]
+	}
+
+	return timezone["manualTimezone"]
+}
+
+// IsSamlFile checks if filename is a SAML file.
+func IsSamlFile(saml *SamlSettings, filename string) bool {
+	return filename == *saml.PublicCertificateFile || filename == *saml.PrivateKeyFile || filename == *saml.IdpCertificateFile
+}
+
+func AsStringBoolMap(list []string) map[string]bool {
+	listMap := map[string]bool{}
+	for _, p := range list {
+		listMap[p] = true
+	}
+	return listMap
+}
+
+// SanitizeUnicode will remove undesirable Unicode characters from a string.
+func SanitizeUnicode(s string) string {
+	return strings.Map(filterBlacklist, s)
+}
+
+// filterBlacklist returns `r` if it is not in the blacklist, otherwise drop (-1).
+// Blacklist is taken from https://www.w3.org/TR/unicode-xml/#Charlist
+func filterBlacklist(r rune) rune {
+	const drop = -1
+	switch r {
+	case '\u0340', '\u0341': // clones of grave and acute; deprecated in Unicode
+		return drop
+	case '\u17A3', '\u17D3': // obsolete characters for Khmer; deprecated in Unicode
+		return drop
+	case '\u2028', '\u2029': // line and paragraph separator
+		return drop
+	case '\u202A', '\u202B', '\u202C', '\u202D', '\u202E': // BIDI embedding controls
+		return drop
+	case '\u206A', '\u206B': // activate/inhibit symmetric swapping; deprecated in Unicode
+		return drop
+	case '\u206C', '\u206D': // activate/inhibit Arabic form shaping; deprecated in Unicode
+		return drop
+	case '\u206E', '\u206F': // activate/inhibit national digit shapes; deprecated in Unicode
+		return drop
+	case '\uFFF9', '\uFFFA', '\uFFFB': // interlinear annotation characters
+		return drop
+	case '\uFEFF': // byte order mark
+		return drop
+	case '\uFFFC': // object replacement character
+		return drop
+	}
+
+	// Scoping for musical notation
+	if r >= 0x0001D173 && r <= 0x0001D17A {
+		return drop
+	}
+
+	// Language tag code points
+	if r >= 0x000E0000 && r <= 0x000E007F {
+		return drop
+	}
+
+	return r
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/version.go b/vendor/github.com/mattermost/mattermost-server/v5/model/version.go
new file mode 100644
index 00000000..3cefff8c
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/version.go
@@ -0,0 +1,176 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// This is a list of all the current versions including any patches.
+// It should be maintained in chronological order with most current
+// release at the front of the list.
+var versions = []string{
+	"5.25.0",
+	"5.24.0",
+	"5.23.0",
+	"5.22.0",
+	"5.21.0",
+	"5.20.0",
+	"5.19.0",
+	"5.18.0",
+	"5.17.0",
+	"5.16.0",
+	"5.15.0",
+	"5.14.0",
+	"5.13.0",
+	"5.12.0",
+	"5.11.0",
+	"5.10.0",
+	"5.9.0",
+	"5.8.0",
+	"5.7.0",
+	"5.6.0",
+	"5.5.0",
+	"5.4.0",
+	"5.3.0",
+	"5.2.0",
+	"5.1.0",
+	"5.0.0",
+	"4.10.0",
+	"4.9.0",
+	"4.8.1",
+	"4.8.0",
+	"4.7.2",
+	"4.7.1",
+	"4.7.0",
+	"4.6.0",
+	"4.5.0",
+	"4.4.0",
+	"4.3.0",
+	"4.2.0",
+	"4.1.0",
+	"4.0.0",
+	"3.10.0",
+	"3.9.0",
+	"3.8.0",
+	"3.7.0",
+	"3.6.0",
+	"3.5.0",
+	"3.4.0",
+	"3.3.0",
+	"3.2.0",
+	"3.1.0",
+	"3.0.0",
+	"2.2.0",
+	"2.1.0",
+	"2.0.0",
+	"1.4.0",
+	"1.3.0",
+	"1.2.1",
+	"1.2.0",
+	"1.1.0",
+	"1.0.0",
+	"0.7.1",
+	"0.7.0",
+	"0.6.0",
+	"0.5.0",
+}
+
+var CurrentVersion string = versions[0]
+var BuildNumber string
+var BuildDate string
+var BuildHash string
+var BuildHashEnterprise string
+var BuildEnterpriseReady string
+var versionsWithoutHotFixes []string
+
+func init() {
+	versionsWithoutHotFixes = make([]string, 0, len(versions))
+	seen := make(map[string]string)
+
+	for _, version := range versions {
+		maj, min, _ := SplitVersion(version)
+		verStr := fmt.Sprintf("%v.%v.0", maj, min)
+
+		if seen[verStr] == "" {
+			versionsWithoutHotFixes = append(versionsWithoutHotFixes, verStr)
+			seen[verStr] = verStr
+		}
+	}
+}
+
+func SplitVersion(version string) (int64, int64, int64) {
+	parts := strings.Split(version, ".")
+
+	major := int64(0)
+	minor := int64(0)
+	patch := int64(0)
+
+	if len(parts) > 0 {
+		major, _ = strconv.ParseInt(parts[0], 10, 64)
+	}
+
+	if len(parts) > 1 {
+		minor, _ = strconv.ParseInt(parts[1], 10, 64)
+	}
+
+	if len(parts) > 2 {
+		patch, _ = strconv.ParseInt(parts[2], 10, 64)
+	}
+
+	return major, minor, patch
+}
+
+func GetPreviousVersion(version string) string {
+	verMajor, verMinor, _ := SplitVersion(version)
+	verStr := fmt.Sprintf("%v.%v.0", verMajor, verMinor)
+
+	for index, v := range versionsWithoutHotFixes {
+		if v == verStr && len(versionsWithoutHotFixes) > index+1 {
+			return versionsWithoutHotFixes[index+1]
+		}
+	}
+
+	return ""
+}
+
+func IsCurrentVersion(versionToCheck string) bool {
+	currentMajor, currentMinor, _ := SplitVersion(CurrentVersion)
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+
+	if toCheckMajor == currentMajor && toCheckMinor == currentMinor {
+		return true
+	} else {
+		return false
+	}
+}
+
+func IsPreviousVersionsSupported(versionToCheck string) bool {
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+	versionToCheckStr := fmt.Sprintf("%v.%v.0", toCheckMajor, toCheckMinor)
+
+	// Current Supported
+	if versionsWithoutHotFixes[0] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 1 Supported
+	if versionsWithoutHotFixes[1] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 2 Supported
+	if versionsWithoutHotFixes[2] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 3 Supported
+	if versionsWithoutHotFixes[3] == versionToCheckStr {
+		return true
+	}
+
+	return false
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_client.go b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_client.go
new file mode 100644
index 00000000..72ca4a8f
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_client.go
@@ -0,0 +1,321 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"sync/atomic"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+const (
+	SOCKET_MAX_MESSAGE_SIZE_KB  = 8 * 1024 // 8KB
+	PING_TIMEOUT_BUFFER_SECONDS = 5
+)
+
+type msgType int
+
+const (
+	msgTypeJSON msgType = iota + 1
+	msgTypePong
+)
+
+type writeMessage struct {
+	msgType msgType
+	data    interface{}
+}
+
+const avgReadMsgSizeBytes = 1024
+
+// WebSocketClient stores the necessary information required to
+// communicate with a WebSocket endpoint.
+// A client must read from PingTimeoutChannel, EventChannel and ResponseChannel to prevent
+// deadlocks from occuring in the program.
+type WebSocketClient struct {
+	Url                string                  // The location of the server like "ws://localhost:8065"
+	ApiUrl             string                  // The API location of the server like "ws://localhost:8065/api/v3"
+	ConnectUrl         string                  // The WebSocket URL to connect to like "ws://localhost:8065/api/v3/path/to/websocket"
+	Conn               *websocket.Conn         // The WebSocket connection
+	AuthToken          string                  // The token used to open the WebSocket connection
+	Sequence           int64                   // The ever-incrementing sequence attached to each WebSocket action
+	PingTimeoutChannel chan bool               // The channel used to signal ping timeouts
+	EventChannel       chan *WebSocketEvent    // The channel used to receive various events pushed from the server. For example: typing, posted
+	ResponseChannel    chan *WebSocketResponse // The channel used to receive responses for requests made to the server
+	ListenError        *AppError               // A field that is set if there was an abnormal closure of the WebSocket connection
+	writeChan          chan writeMessage
+
+	pingTimeoutTimer *time.Timer
+	quitPingWatchdog chan struct{}
+
+	quitWriterChan chan struct{}
+	resetTimerChan chan struct{}
+	closed         int32
+}
+
+// NewWebSocketClient constructs a new WebSocket client with convenience
+// methods for talking to the server.
+func NewWebSocketClient(url, authToken string) (*WebSocketClient, *AppError) {
+	return NewWebSocketClientWithDialer(websocket.DefaultDialer, url, authToken)
+}
+
+// NewWebSocketClientWithDialer constructs a new WebSocket client with convenience
+// methods for talking to the server using a custom dialer.
+func NewWebSocketClientWithDialer(dialer *websocket.Dialer, url, authToken string) (*WebSocketClient, *AppError) {
+	conn, _, err := dialer.Dial(url+API_URL_SUFFIX+"/websocket", nil)
+	if err != nil {
+		return nil, NewAppError("NewWebSocketClient", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError)
+	}
+
+	client := &WebSocketClient{
+		Url:                url,
+		ApiUrl:             url + API_URL_SUFFIX,
+		ConnectUrl:         url + API_URL_SUFFIX + "/websocket",
+		Conn:               conn,
+		AuthToken:          authToken,
+		Sequence:           1,
+		PingTimeoutChannel: make(chan bool, 1),
+		EventChannel:       make(chan *WebSocketEvent, 100),
+		ResponseChannel:    make(chan *WebSocketResponse, 100),
+		writeChan:          make(chan writeMessage),
+		quitPingWatchdog:   make(chan struct{}),
+		quitWriterChan:     make(chan struct{}),
+		resetTimerChan:     make(chan struct{}),
+	}
+
+	client.configurePingHandling()
+	go client.writer()
+
+	client.SendMessage(WEBSOCKET_AUTHENTICATION_CHALLENGE, map[string]interface{}{"token": authToken})
+
+	return client, nil
+}
+
+// NewWebSocketClient4 constructs a new WebSocket client with convenience
+// methods for talking to the server. Uses the v4 endpoint.
+func NewWebSocketClient4(url, authToken string) (*WebSocketClient, *AppError) {
+	return NewWebSocketClient4WithDialer(websocket.DefaultDialer, url, authToken)
+}
+
+// NewWebSocketClient4WithDialer constructs a new WebSocket client with convenience
+// methods for talking to the server using a custom dialer. Uses the v4 endpoint.
+func NewWebSocketClient4WithDialer(dialer *websocket.Dialer, url, authToken string) (*WebSocketClient, *AppError) {
+	return NewWebSocketClientWithDialer(dialer, url, authToken)
+}
+
+// Connect creates a websocket connection with the given ConnectUrl.
+// This is racy and error-prone should not be used. Use any of the New* functions to create a websocket.
+func (wsc *WebSocketClient) Connect() *AppError {
+	return wsc.ConnectWithDialer(websocket.DefaultDialer)
+}
+
+// ConnectWithDialer creates a websocket connection with the given ConnectUrl using the dialer.
+// This is racy and error-prone and should not be used. Use any of the New* functions to create a websocket.
+func (wsc *WebSocketClient) ConnectWithDialer(dialer *websocket.Dialer) *AppError {
+	var err error
+	wsc.Conn, _, err = dialer.Dial(wsc.ConnectUrl, nil)
+	if err != nil {
+		return NewAppError("Connect", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError)
+	}
+	// Super racy and should not be done anyways.
+	// All of this needs to be redesigned for v6.
+	wsc.configurePingHandling()
+	// If it has been closed before, we just restart the writer.
+	if atomic.CompareAndSwapInt32(&wsc.closed, 1, 0) {
+		wsc.writeChan = make(chan writeMessage)
+		wsc.quitWriterChan = make(chan struct{})
+		go wsc.writer()
+		wsc.resetTimerChan = make(chan struct{})
+		wsc.quitPingWatchdog = make(chan struct{})
+	}
+
+	wsc.EventChannel = make(chan *WebSocketEvent, 100)
+	wsc.ResponseChannel = make(chan *WebSocketResponse, 100)
+
+	wsc.SendMessage(WEBSOCKET_AUTHENTICATION_CHALLENGE, map[string]interface{}{"token": wsc.AuthToken})
+
+	return nil
+}
+
+// Close closes the websocket client. It is recommended that a closed client should not be
+// reused again. Rather a new client should be created anew.
+func (wsc *WebSocketClient) Close() {
+	// CAS to 1 and proceed. Return if already 1.
+	if !atomic.CompareAndSwapInt32(&wsc.closed, 0, 1) {
+		return
+	}
+	wsc.quitWriterChan <- struct{}{}
+	close(wsc.writeChan)
+	// We close the connection, which breaks the reader loop.
+	// Then we let the defer block in the reader do further cleanup.
+	wsc.Conn.Close()
+}
+
+// TODO: un-export the Conn so that Write methods go through the writer
+func (wsc *WebSocketClient) writer() {
+	for {
+		select {
+		case msg := <-wsc.writeChan:
+			switch msg.msgType {
+			case msgTypeJSON:
+				wsc.Conn.WriteJSON(msg.data)
+			case msgTypePong:
+				wsc.Conn.WriteMessage(websocket.PongMessage, []byte{})
+			}
+		case <-wsc.quitWriterChan:
+			return
+		}
+	}
+}
+
+// Listen starts the read loop of the websocket client.
+func (wsc *WebSocketClient) Listen() {
+	// This loop can exit in 2 conditions:
+	// 1. Either the connection breaks naturally.
+	// 2. Close was explicitly called, which closes the connection manually.
+	//
+	// Due to the way the API is written, there is a requirement that a client may NOT
+	// call Listen at all and can still call Close and Connect.
+	// Therefore, we let the cleanup of the reader stuff rely on closing the connection
+	// and then we do the cleanup in the defer block.
+	//
+	// First, we close some channels and then CAS to 1 and proceed to close the writer chan also.
+	// This is needed because then the defer clause does not double-close the writer when (2) happens.
+	// But if (1) happens, we set the closed bit, and close the rest of the stuff.
+	go func() {
+		defer func() {
+			close(wsc.EventChannel)
+			close(wsc.ResponseChannel)
+			close(wsc.quitPingWatchdog)
+			close(wsc.resetTimerChan)
+			// We CAS to 1 and proceed.
+			if !atomic.CompareAndSwapInt32(&wsc.closed, 0, 1) {
+				return
+			}
+			wsc.quitWriterChan <- struct{}{}
+			close(wsc.writeChan)
+			wsc.Conn.Close() // This can most likely be removed. Needs to be checked.
+		}()
+
+		var buf bytes.Buffer
+		buf.Grow(avgReadMsgSizeBytes)
+
+		for {
+			// Reset buffer.
+			buf.Reset()
+			_, r, err := wsc.Conn.NextReader()
+			if err != nil {
+				if !websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseNoStatusReceived) {
+					wsc.ListenError = NewAppError("NewWebSocketClient", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError)
+				}
+				return
+			}
+			// Use pre-allocated buffer.
+			_, err = buf.ReadFrom(r)
+			if err != nil {
+				// This should use a different error ID, but en.json is not imported anyways.
+				// It's a different bug altogether but we let it be for now.
+				// See MM-24520.
+				wsc.ListenError = NewAppError("NewWebSocketClient", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError)
+				return
+			}
+
+			event := WebSocketEventFromJson(bytes.NewReader(buf.Bytes()))
+			if event == nil {
+				continue
+			}
+			if event.IsValid() {
+				wsc.EventChannel <- event
+				continue
+			}
+
+			var response WebSocketResponse
+			if err := json.Unmarshal(buf.Bytes(), &response); err == nil && response.IsValid() {
+				wsc.ResponseChannel <- &response
+				continue
+			}
+		}
+	}()
+}
+
+func (wsc *WebSocketClient) SendMessage(action string, data map[string]interface{}) {
+	req := &WebSocketRequest{}
+	req.Seq = wsc.Sequence
+	req.Action = action
+	req.Data = data
+
+	wsc.Sequence++
+	wsc.writeChan <- writeMessage{
+		msgType: msgTypeJSON,
+		data:    req,
+	}
+}
+
+// UserTyping will push a user_typing event out to all connected users
+// who are in the specified channel
+func (wsc *WebSocketClient) UserTyping(channelId, parentId string) {
+	data := map[string]interface{}{
+		"channel_id": channelId,
+		"parent_id":  parentId,
+	}
+
+	wsc.SendMessage("user_typing", data)
+}
+
+// GetStatuses will return a map of string statuses using user id as the key
+func (wsc *WebSocketClient) GetStatuses() {
+	wsc.SendMessage("get_statuses", nil)
+}
+
+// GetStatusesByIds will fetch certain user statuses based on ids and return
+// a map of string statuses using user id as the key
+func (wsc *WebSocketClient) GetStatusesByIds(userIds []string) {
+	data := map[string]interface{}{
+		"user_ids": userIds,
+	}
+	wsc.SendMessage("get_statuses_by_ids", data)
+}
+
+func (wsc *WebSocketClient) configurePingHandling() {
+	wsc.Conn.SetPingHandler(wsc.pingHandler)
+	wsc.pingTimeoutTimer = time.NewTimer(time.Second * (60 + PING_TIMEOUT_BUFFER_SECONDS))
+	go wsc.pingWatchdog()
+}
+
+func (wsc *WebSocketClient) pingHandler(appData string) error {
+	if atomic.LoadInt32(&wsc.closed) == 1 {
+		return nil
+	}
+	wsc.resetTimerChan <- struct{}{}
+	wsc.writeChan <- writeMessage{
+		msgType: msgTypePong,
+	}
+	return nil
+}
+
+// pingWatchdog is used to send values to the PingTimeoutChannel whenever a timeout occurs.
+// We use the resetTimerChan from the pingHandler to pass the signal, and then reset the timer
+// after draining it. And if the timer naturally expires, we also extend it to prevent it from
+// being deadlocked when the resetTimerChan case runs. Because timer.Stop would return false,
+// and the code would be forever stuck trying to read from C.
+func (wsc *WebSocketClient) pingWatchdog() {
+	for {
+		select {
+		case <-wsc.resetTimerChan:
+			if !wsc.pingTimeoutTimer.Stop() {
+				<-wsc.pingTimeoutTimer.C
+			}
+			wsc.pingTimeoutTimer.Reset(time.Second * (60 + PING_TIMEOUT_BUFFER_SECONDS))
+
+		case <-wsc.pingTimeoutTimer.C:
+			wsc.PingTimeoutChannel <- true
+			wsc.pingTimeoutTimer.Reset(time.Second * (60 + PING_TIMEOUT_BUFFER_SECONDS))
+		case <-wsc.quitPingWatchdog:
+			return
+		}
+	}
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_message.go b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_message.go
new file mode 100644
index 00000000..b3e4b186
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_message.go
@@ -0,0 +1,259 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+)
+
+const (
+	WEBSOCKET_EVENT_TYPING                                   = "typing"
+	WEBSOCKET_EVENT_POSTED                                   = "posted"
+	WEBSOCKET_EVENT_POST_EDITED                              = "post_edited"
+	WEBSOCKET_EVENT_POST_DELETED                             = "post_deleted"
+	WEBSOCKET_EVENT_POST_UNREAD                              = "post_unread"
+	WEBSOCKET_EVENT_CHANNEL_CONVERTED                        = "channel_converted"
+	WEBSOCKET_EVENT_CHANNEL_CREATED                          = "channel_created"
+	WEBSOCKET_EVENT_CHANNEL_DELETED                          = "channel_deleted"
+	WEBSOCKET_EVENT_CHANNEL_RESTORED                         = "channel_restored"
+	WEBSOCKET_EVENT_CHANNEL_UPDATED                          = "channel_updated"
+	WEBSOCKET_EVENT_CHANNEL_MEMBER_UPDATED                   = "channel_member_updated"
+	WEBSOCKET_EVENT_CHANNEL_SCHEME_UPDATED                   = "channel_scheme_updated"
+	WEBSOCKET_EVENT_DIRECT_ADDED                             = "direct_added"
+	WEBSOCKET_EVENT_GROUP_ADDED                              = "group_added"
+	WEBSOCKET_EVENT_NEW_USER                                 = "new_user"
+	WEBSOCKET_EVENT_ADDED_TO_TEAM                            = "added_to_team"
+	WEBSOCKET_EVENT_LEAVE_TEAM                               = "leave_team"
+	WEBSOCKET_EVENT_UPDATE_TEAM                              = "update_team"
+	WEBSOCKET_EVENT_DELETE_TEAM                              = "delete_team"
+	WEBSOCKET_EVENT_RESTORE_TEAM                             = "restore_team"
+	WEBSOCKET_EVENT_UPDATE_TEAM_SCHEME                       = "update_team_scheme"
+	WEBSOCKET_EVENT_USER_ADDED                               = "user_added"
+	WEBSOCKET_EVENT_USER_UPDATED                             = "user_updated"
+	WEBSOCKET_EVENT_USER_ROLE_UPDATED                        = "user_role_updated"
+	WEBSOCKET_EVENT_MEMBERROLE_UPDATED                       = "memberrole_updated"
+	WEBSOCKET_EVENT_USER_REMOVED                             = "user_removed"
+	WEBSOCKET_EVENT_PREFERENCE_CHANGED                       = "preference_changed"
+	WEBSOCKET_EVENT_PREFERENCES_CHANGED                      = "preferences_changed"
+	WEBSOCKET_EVENT_PREFERENCES_DELETED                      = "preferences_deleted"
+	WEBSOCKET_EVENT_EPHEMERAL_MESSAGE                        = "ephemeral_message"
+	WEBSOCKET_EVENT_STATUS_CHANGE                            = "status_change"
+	WEBSOCKET_EVENT_HELLO                                    = "hello"
+	WEBSOCKET_AUTHENTICATION_CHALLENGE                       = "authentication_challenge"
+	WEBSOCKET_EVENT_REACTION_ADDED                           = "reaction_added"
+	WEBSOCKET_EVENT_REACTION_REMOVED                         = "reaction_removed"
+	WEBSOCKET_EVENT_RESPONSE                                 = "response"
+	WEBSOCKET_EVENT_EMOJI_ADDED                              = "emoji_added"
+	WEBSOCKET_EVENT_CHANNEL_VIEWED                           = "channel_viewed"
+	WEBSOCKET_EVENT_PLUGIN_STATUSES_CHANGED                  = "plugin_statuses_changed"
+	WEBSOCKET_EVENT_PLUGIN_ENABLED                           = "plugin_enabled"
+	WEBSOCKET_EVENT_PLUGIN_DISABLED                          = "plugin_disabled"
+	WEBSOCKET_EVENT_ROLE_UPDATED                             = "role_updated"
+	WEBSOCKET_EVENT_LICENSE_CHANGED                          = "license_changed"
+	WEBSOCKET_EVENT_CONFIG_CHANGED                           = "config_changed"
+	WEBSOCKET_EVENT_OPEN_DIALOG                              = "open_dialog"
+	WEBSOCKET_EVENT_GUESTS_DEACTIVATED                       = "guests_deactivated"
+	WEBSOCKET_EVENT_RECEIVED_GROUP                           = "received_group"
+	WEBSOCKET_EVENT_RECEIVED_GROUP_ASSOCIATED_TO_TEAM        = "received_group_associated_to_team"
+	WEBSOCKET_EVENT_RECEIVED_GROUP_NOT_ASSOCIATED_TO_TEAM    = "received_group_not_associated_to_team"
+	WEBSOCKET_EVENT_RECEIVED_GROUP_ASSOCIATED_TO_CHANNEL     = "received_group_associated_to_channel"
+	WEBSOCKET_EVENT_RECEIVED_GROUP_NOT_ASSOCIATED_TO_CHANNEL = "received_group_not_associated_to_channel"
+)
+
+type WebSocketMessage interface {
+	ToJson() string
+	IsValid() bool
+	EventType() string
+}
+
+type WebsocketBroadcast struct {
+	OmitUsers             map[string]bool `json:"omit_users"` // broadcast is omitted for users listed here
+	UserId                string          `json:"user_id"`    // broadcast only occurs for this user
+	ChannelId             string          `json:"channel_id"` // broadcast only occurs for users in this channel
+	TeamId                string          `json:"team_id"`    // broadcast only occurs for users in this team
+	ContainsSanitizedData bool            `json:"-"`
+	ContainsSensitiveData bool            `json:"-"`
+}
+
+type precomputedWebSocketEventJSON struct {
+	Event     json.RawMessage
+	Data      json.RawMessage
+	Broadcast json.RawMessage
+}
+
+// webSocketEventJSON mirrors WebSocketEvent to make some of its unexported fields serializable
+type webSocketEventJSON struct {
+	Event     string                 `json:"event"`
+	Data      map[string]interface{} `json:"data"`
+	Broadcast *WebsocketBroadcast    `json:"broadcast"`
+	Sequence  int64                  `json:"seq"`
+}
+
+// **NOTE**: Direct access to WebSocketEvent fields is deprecated. They will be
+// made unexported in next major version release. Provided getter functions should be used instead.
+type WebSocketEvent struct {
+	Event           string                 // Deprecated: use EventType()
+	Data            map[string]interface{} // Deprecated: use GetData()
+	Broadcast       *WebsocketBroadcast    // Deprecated: use GetBroadcast()
+	Sequence        int64                  // Deprecated: use GetSequence()
+	precomputedJSON *precomputedWebSocketEventJSON
+}
+
+// PrecomputeJSON precomputes and stores the serialized JSON for all fields other than Sequence.
+// This makes ToJson much more efficient when sending the same event to multiple connections.
+func (ev *WebSocketEvent) PrecomputeJSON() *WebSocketEvent {
+	copy := ev.Copy()
+	event, _ := json.Marshal(copy.Event)
+	data, _ := json.Marshal(copy.Data)
+	broadcast, _ := json.Marshal(copy.Broadcast)
+	copy.precomputedJSON = &precomputedWebSocketEventJSON{
+		Event:     json.RawMessage(event),
+		Data:      json.RawMessage(data),
+		Broadcast: json.RawMessage(broadcast),
+	}
+	return copy
+}
+
+func (ev *WebSocketEvent) Add(key string, value interface{}) {
+	ev.Data[key] = value
+}
+
+func NewWebSocketEvent(event, teamId, channelId, userId string, omitUsers map[string]bool) *WebSocketEvent {
+	return &WebSocketEvent{Event: event, Data: make(map[string]interface{}),
+		Broadcast: &WebsocketBroadcast{TeamId: teamId, ChannelId: channelId, UserId: userId, OmitUsers: omitUsers}}
+}
+
+func (ev *WebSocketEvent) Copy() *WebSocketEvent {
+	copy := &WebSocketEvent{
+		Event:           ev.Event,
+		Data:            ev.Data,
+		Broadcast:       ev.Broadcast,
+		Sequence:        ev.Sequence,
+		precomputedJSON: ev.precomputedJSON,
+	}
+	return copy
+}
+
+func (ev *WebSocketEvent) GetData() map[string]interface{} {
+	return ev.Data
+}
+
+func (ev *WebSocketEvent) GetBroadcast() *WebsocketBroadcast {
+	return ev.Broadcast
+}
+
+func (ev *WebSocketEvent) GetSequence() int64 {
+	return ev.Sequence
+}
+
+func (ev *WebSocketEvent) SetEvent(event string) *WebSocketEvent {
+	copy := ev.Copy()
+	copy.Event = event
+	return copy
+}
+
+func (ev *WebSocketEvent) SetData(data map[string]interface{}) *WebSocketEvent {
+	copy := ev.Copy()
+	copy.Data = data
+	return copy
+}
+
+func (ev *WebSocketEvent) SetBroadcast(broadcast *WebsocketBroadcast) *WebSocketEvent {
+	copy := ev.Copy()
+	copy.Broadcast = broadcast
+	return copy
+}
+
+func (ev *WebSocketEvent) SetSequence(seq int64) *WebSocketEvent {
+	copy := ev.Copy()
+	copy.Sequence = seq
+	return copy
+}
+
+func (ev *WebSocketEvent) IsValid() bool {
+	return ev.Event != ""
+}
+
+func (ev *WebSocketEvent) EventType() string {
+	return ev.Event
+}
+
+func (ev *WebSocketEvent) ToJson() string {
+	if ev.precomputedJSON != nil {
+		return fmt.Sprintf(`{"event": %s, "data": %s, "broadcast": %s, "seq": %d}`, ev.precomputedJSON.Event, ev.precomputedJSON.Data, ev.precomputedJSON.Broadcast, ev.Sequence)
+	}
+	b, _ := json.Marshal(webSocketEventJSON{
+		ev.Event,
+		ev.Data,
+		ev.Broadcast,
+		ev.Sequence,
+	})
+	return string(b)
+}
+
+func WebSocketEventFromJson(data io.Reader) *WebSocketEvent {
+	var ev WebSocketEvent
+	var o webSocketEventJSON
+	if err := json.NewDecoder(data).Decode(&o); err != nil {
+		return nil
+	}
+	ev.Event = o.Event
+	if u, ok := o.Data["user"]; ok {
+		// We need to convert to and from JSON again
+		// because the user is in the form of a map[string]interface{}.
+		buf, err := json.Marshal(u)
+		if err != nil {
+			return nil
+		}
+		o.Data["user"] = UserFromJson(bytes.NewReader(buf))
+	}
+	ev.Data = o.Data
+	ev.Broadcast = o.Broadcast
+	ev.Sequence = o.Sequence
+	return &ev
+}
+
+// WebSocketResponse represents a response received through the WebSocket
+// for a request made to the server. This is available through the ResponseChannel
+// channel in WebSocketClient.
+type WebSocketResponse struct {
+	Status   string                 `json:"status"`              // The status of the response. For example: OK, FAIL.
+	SeqReply int64                  `json:"seq_reply,omitempty"` // A counter which is incremented for every response sent.
+	Data     map[string]interface{} `json:"data,omitempty"`      // The data contained in the response.
+	Error    *AppError              `json:"error,omitempty"`     // A field that is set if any error has occurred.
+}
+
+func (m *WebSocketResponse) Add(key string, value interface{}) {
+	m.Data[key] = value
+}
+
+func NewWebSocketResponse(status string, seqReply int64, data map[string]interface{}) *WebSocketResponse {
+	return &WebSocketResponse{Status: status, SeqReply: seqReply, Data: data}
+}
+
+func NewWebSocketError(seqReply int64, err *AppError) *WebSocketResponse {
+	return &WebSocketResponse{Status: STATUS_FAIL, SeqReply: seqReply, Error: err}
+}
+
+func (m *WebSocketResponse) IsValid() bool {
+	return m.Status != ""
+}
+
+func (m *WebSocketResponse) EventType() string {
+	return WEBSOCKET_EVENT_RESPONSE
+}
+
+func (m *WebSocketResponse) ToJson() string {
+	b, _ := json.Marshal(m)
+	return string(b)
+}
+
+func WebSocketResponseFromJson(data io.Reader) *WebSocketResponse {
+	var o *WebSocketResponse
+	json.NewDecoder(data).Decode(&o)
+	return o
+}
diff --git a/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_request.go b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_request.go
new file mode 100644
index 00000000..6628a5c9
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/v5/model/websocket_request.go
@@ -0,0 +1,35 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+
+	goi18n "github.com/mattermost/go-i18n/i18n"
+)
+
+// WebSocketRequest represents a request made to the server through a websocket.
+type WebSocketRequest struct {
+	// Client-provided fields
+	Seq    int64                  `json:"seq"`    // A counter which is incremented for every request made.
+	Action string                 `json:"action"` // The action to perform for a request. For example: get_statuses, user_typing.
+	Data   map[string]interface{} `json:"data"`   // The metadata for an action.
+
+	// Server-provided fields
+	Session Session              `json:"-"`
+	T       goi18n.TranslateFunc `json:"-"`
+	Locale  string               `json:"-"`
+}
+
+func (o *WebSocketRequest) ToJson() string {
+	b, _ := json.Marshal(o)
+	return string(b)
+}
+
+func WebSocketRequestFromJson(data io.Reader) *WebSocketRequest {
+	var o *WebSocketRequest
+	json.NewDecoder(data).Decode(&o)
+	return o
+}