Use upstream slack-go/slack again (#1018)

1 files changed, 597 insertions, 0 deletions

diff --git a/vendor/github.com/slack-go/slack/users.go b/vendor/github.com/slack-go/slack/users.go
new file mode 100644
index 00000000..6001e0fa
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/users.go
@@ -0,0 +1,597 @@
+package slack
+
+import (
+	"context"
+	"encoding/json"
+	"net/url"
+	"strconv"
+	"time"
+)
+
+const (
+	DEFAULT_USER_PHOTO_CROP_X = -1
+	DEFAULT_USER_PHOTO_CROP_Y = -1
+	DEFAULT_USER_PHOTO_CROP_W = -1
+)
+
+// UserProfile contains all the information details of a given user
+type UserProfile struct {
+	FirstName             string                  `json:"first_name"`
+	LastName              string                  `json:"last_name"`
+	RealName              string                  `json:"real_name"`
+	RealNameNormalized    string                  `json:"real_name_normalized"`
+	DisplayName           string                  `json:"display_name"`
+	DisplayNameNormalized string                  `json:"display_name_normalized"`
+	Email                 string                  `json:"email"`
+	Skype                 string                  `json:"skype"`
+	Phone                 string                  `json:"phone"`
+	Image24               string                  `json:"image_24"`
+	Image32               string                  `json:"image_32"`
+	Image48               string                  `json:"image_48"`
+	Image72               string                  `json:"image_72"`
+	Image192              string                  `json:"image_192"`
+	ImageOriginal         string                  `json:"image_original"`
+	Title                 string                  `json:"title"`
+	BotID                 string                  `json:"bot_id,omitempty"`
+	ApiAppID              string                  `json:"api_app_id,omitempty"`
+	StatusText            string                  `json:"status_text,omitempty"`
+	StatusEmoji           string                  `json:"status_emoji,omitempty"`
+	StatusExpiration      int                     `json:"status_expiration"`
+	Team                  string                  `json:"team"`
+	Fields                UserProfileCustomFields `json:"fields"`
+}
+
+// UserProfileCustomFields represents user profile's custom fields.
+// Slack API's response data type is inconsistent so we use the struct.
+// For detail, please see below.
+// https://github.com/slack-go/slack/pull/298#discussion_r185159233
+type UserProfileCustomFields struct {
+	fields map[string]UserProfileCustomField
+}
+
+// UnmarshalJSON is the implementation of the json.Unmarshaler interface.
+func (fields *UserProfileCustomFields) UnmarshalJSON(b []byte) error {
+	// https://github.com/slack-go/slack/pull/298#discussion_r185159233
+	if string(b) == "[]" {
+		return nil
+	}
+	return json.Unmarshal(b, &fields.fields)
+}
+
+// MarshalJSON is the implementation of the json.Marshaler interface.
+func (fields UserProfileCustomFields) MarshalJSON() ([]byte, error) {
+	if len(fields.fields) == 0 {
+		return []byte("[]"), nil
+	}
+	return json.Marshal(fields.fields)
+}
+
+// ToMap returns a map of custom fields.
+func (fields *UserProfileCustomFields) ToMap() map[string]UserProfileCustomField {
+	return fields.fields
+}
+
+// Len returns the number of custom fields.
+func (fields *UserProfileCustomFields) Len() int {
+	return len(fields.fields)
+}
+
+// SetMap sets a map of custom fields.
+func (fields *UserProfileCustomFields) SetMap(m map[string]UserProfileCustomField) {
+	fields.fields = m
+}
+
+// FieldsMap returns a map of custom fields.
+func (profile *UserProfile) FieldsMap() map[string]UserProfileCustomField {
+	return profile.Fields.ToMap()
+}
+
+// SetFieldsMap sets a map of custom fields.
+func (profile *UserProfile) SetFieldsMap(m map[string]UserProfileCustomField) {
+	profile.Fields.SetMap(m)
+}
+
+// UserProfileCustomField represents a custom user profile field
+type UserProfileCustomField struct {
+	Value string `json:"value"`
+	Alt   string `json:"alt"`
+	Label string `json:"label"`
+}
+
+// User contains all the information of a user
+type User struct {
+	ID                string         `json:"id"`
+	TeamID            string         `json:"team_id"`
+	Name              string         `json:"name"`
+	Deleted           bool           `json:"deleted"`
+	Color             string         `json:"color"`
+	RealName          string         `json:"real_name"`
+	TZ                string         `json:"tz,omitempty"`
+	TZLabel           string         `json:"tz_label"`
+	TZOffset          int            `json:"tz_offset"`
+	Profile           UserProfile    `json:"profile"`
+	IsBot             bool           `json:"is_bot"`
+	IsAdmin           bool           `json:"is_admin"`
+	IsOwner           bool           `json:"is_owner"`
+	IsPrimaryOwner    bool           `json:"is_primary_owner"`
+	IsRestricted      bool           `json:"is_restricted"`
+	IsUltraRestricted bool           `json:"is_ultra_restricted"`
+	IsStranger        bool           `json:"is_stranger"`
+	IsAppUser         bool           `json:"is_app_user"`
+	IsInvitedUser     bool           `json:"is_invited_user"`
+	Has2FA            bool           `json:"has_2fa"`
+	HasFiles          bool           `json:"has_files"`
+	Presence          string         `json:"presence"`
+	Locale            string         `json:"locale"`
+	Updated           JSONTime       `json:"updated"`
+	Enterprise        EnterpriseUser `json:"enterprise_user,omitempty"`
+}
+
+// UserPresence contains details about a user online status
+type UserPresence struct {
+	Presence        string   `json:"presence,omitempty"`
+	Online          bool     `json:"online,omitempty"`
+	AutoAway        bool     `json:"auto_away,omitempty"`
+	ManualAway      bool     `json:"manual_away,omitempty"`
+	ConnectionCount int      `json:"connection_count,omitempty"`
+	LastActivity    JSONTime `json:"last_activity,omitempty"`
+}
+
+type UserIdentityResponse struct {
+	User UserIdentity `json:"user"`
+	Team TeamIdentity `json:"team"`
+	SlackResponse
+}
+
+type UserIdentity struct {
+	ID       string `json:"id"`
+	Name     string `json:"name"`
+	Email    string `json:"email"`
+	Image24  string `json:"image_24"`
+	Image32  string `json:"image_32"`
+	Image48  string `json:"image_48"`
+	Image72  string `json:"image_72"`
+	Image192 string `json:"image_192"`
+	Image512 string `json:"image_512"`
+}
+
+// EnterpriseUser is present when a user is part of Slack Enterprise Grid
+// https://api.slack.com/types/user#enterprise_grid_user_objects
+type EnterpriseUser struct {
+	ID             string   `json:"id"`
+	EnterpriseID   string   `json:"enterprise_id"`
+	EnterpriseName string   `json:"enterprise_name"`
+	IsAdmin        bool     `json:"is_admin"`
+	IsOwner        bool     `json:"is_owner"`
+	Teams          []string `json:"teams"`
+}
+
+type TeamIdentity struct {
+	ID            string `json:"id"`
+	Name          string `json:"name"`
+	Domain        string `json:"domain"`
+	Image34       string `json:"image_34"`
+	Image44       string `json:"image_44"`
+	Image68       string `json:"image_68"`
+	Image88       string `json:"image_88"`
+	Image102      string `json:"image_102"`
+	Image132      string `json:"image_132"`
+	Image230      string `json:"image_230"`
+	ImageDefault  bool   `json:"image_default"`
+	ImageOriginal string `json:"image_original"`
+}
+
+type userResponseFull struct {
+	Members []User `json:"members,omitempty"`
+	User    `json:"user,omitempty"`
+	UserPresence
+	SlackResponse
+	Metadata ResponseMetadata `json:"response_metadata"`
+}
+
+type UserSetPhotoParams struct {
+	CropX int
+	CropY int
+	CropW int
+}
+
+func NewUserSetPhotoParams() UserSetPhotoParams {
+	return UserSetPhotoParams{
+		CropX: DEFAULT_USER_PHOTO_CROP_X,
+		CropY: DEFAULT_USER_PHOTO_CROP_Y,
+		CropW: DEFAULT_USER_PHOTO_CROP_W,
+	}
+}
+
+func (api *Client) userRequest(ctx context.Context, path string, values url.Values) (*userResponseFull, error) {
+	response := &userResponseFull{}
+	err := api.postMethod(ctx, path, values, response)
+	if err != nil {
+		return nil, err
+	}
+
+	return response, response.Err()
+}
+
+// GetUserPresence will retrieve the current presence status of given user.
+func (api *Client) GetUserPresence(user string) (*UserPresence, error) {
+	return api.GetUserPresenceContext(context.Background(), user)
+}
+
+// GetUserPresenceContext will retrieve the current presence status of given user with a custom context.
+func (api *Client) GetUserPresenceContext(ctx context.Context, user string) (*UserPresence, error) {
+	values := url.Values{
+		"token": {api.token},
+		"user":  {user},
+	}
+
+	response, err := api.userRequest(ctx, "users.getPresence", values)
+	if err != nil {
+		return nil, err
+	}
+	return &response.UserPresence, nil
+}
+
+// GetUserInfo will retrieve the complete user information
+func (api *Client) GetUserInfo(user string) (*User, error) {
+	return api.GetUserInfoContext(context.Background(), user)
+}
+
+// GetUserInfoContext will retrieve the complete user information with a custom context
+func (api *Client) GetUserInfoContext(ctx context.Context, user string) (*User, error) {
+	values := url.Values{
+		"token":          {api.token},
+		"user":           {user},
+		"include_locale": {strconv.FormatBool(true)},
+	}
+
+	response, err := api.userRequest(ctx, "users.info", values)
+	if err != nil {
+		return nil, err
+	}
+	return &response.User, nil
+}
+
+// GetUsersOption options for the GetUsers method call.
+type GetUsersOption func(*UserPagination)
+
+// GetUsersOptionLimit limit the number of users returned
+func GetUsersOptionLimit(n int) GetUsersOption {
+	return func(p *UserPagination) {
+		p.limit = n
+	}
+}
+
+// GetUsersOptionPresence include user presence
+func GetUsersOptionPresence(n bool) GetUsersOption {
+	return func(p *UserPagination) {
+		p.presence = n
+	}
+}
+
+func newUserPagination(c *Client, options ...GetUsersOption) (up UserPagination) {
+	up = UserPagination{
+		c:     c,
+		limit: 200, // per slack api documentation.
+	}
+
+	for _, opt := range options {
+		opt(&up)
+	}
+
+	return up
+}
+
+// UserPagination allows for paginating over the users
+type UserPagination struct {
+	Users        []User
+	limit        int
+	presence     bool
+	previousResp *ResponseMetadata
+	c            *Client
+}
+
+// Done checks if the pagination has completed
+func (UserPagination) Done(err error) bool {
+	return err == errPaginationComplete
+}
+
+// Failure checks if pagination failed.
+func (t UserPagination) Failure(err error) error {
+	if t.Done(err) {
+		return nil
+	}
+
+	return err
+}
+
+func (t UserPagination) Next(ctx context.Context) (_ UserPagination, err error) {
+	var (
+		resp *userResponseFull
+	)
+
+	if t.c == nil || (t.previousResp != nil && t.previousResp.Cursor == "") {
+		return t, errPaginationComplete
+	}
+
+	t.previousResp = t.previousResp.initialize()
+
+	values := url.Values{
+		"limit":          {strconv.Itoa(t.limit)},
+		"presence":       {strconv.FormatBool(t.presence)},
+		"token":          {t.c.token},
+		"cursor":         {t.previousResp.Cursor},
+		"include_locale": {strconv.FormatBool(true)},
+	}
+
+	if resp, err = t.c.userRequest(ctx, "users.list", values); err != nil {
+		return t, err
+	}
+
+	t.c.Debugf("GetUsersContext: got %d users; metadata %v", len(resp.Members), resp.Metadata)
+	t.Users = resp.Members
+	t.previousResp = &resp.Metadata
+
+	return t, nil
+}
+
+// GetUsersPaginated fetches users in a paginated fashion, see GetUsersContext for usage.
+func (api *Client) GetUsersPaginated(options ...GetUsersOption) UserPagination {
+	return newUserPagination(api, options...)
+}
+
+// GetUsers returns the list of users (with their detailed information)
+func (api *Client) GetUsers() ([]User, error) {
+	return api.GetUsersContext(context.Background())
+}
+
+// GetUsersContext returns the list of users (with their detailed information) with a custom context
+func (api *Client) GetUsersContext(ctx context.Context) (results []User, err error) {
+	p := api.GetUsersPaginated()
+	for err == nil {
+		p, err = p.Next(ctx)
+		if err == nil {
+			results = append(results, p.Users...)
+		} else if rateLimitedError, ok := err.(*RateLimitedError); ok {
+			select {
+			case <-ctx.Done():
+				err = ctx.Err()
+			case <-time.After(rateLimitedError.RetryAfter):
+				err = nil
+			}
+		}
+	}
+
+	return results, p.Failure(err)
+}
+
+// GetUserByEmail will retrieve the complete user information by email
+func (api *Client) GetUserByEmail(email string) (*User, error) {
+	return api.GetUserByEmailContext(context.Background(), email)
+}
+
+// GetUserByEmailContext will retrieve the complete user information by email with a custom context
+func (api *Client) GetUserByEmailContext(ctx context.Context, email string) (*User, error) {
+	values := url.Values{
+		"token": {api.token},
+		"email": {email},
+	}
+	response, err := api.userRequest(ctx, "users.lookupByEmail", values)
+	if err != nil {
+		return nil, err
+	}
+	return &response.User, nil
+}
+
+// SetUserAsActive marks the currently authenticated user as active
+func (api *Client) SetUserAsActive() error {
+	return api.SetUserAsActiveContext(context.Background())
+}
+
+// SetUserAsActiveContext marks the currently authenticated user as active with a custom context
+func (api *Client) SetUserAsActiveContext(ctx context.Context) (err error) {
+	values := url.Values{
+		"token": {api.token},
+	}
+
+	_, err = api.userRequest(ctx, "users.setActive", values)
+	return err
+}
+
+// SetUserPresence changes the currently authenticated user presence
+func (api *Client) SetUserPresence(presence string) error {
+	return api.SetUserPresenceContext(context.Background(), presence)
+}
+
+// SetUserPresenceContext changes the currently authenticated user presence with a custom context
+func (api *Client) SetUserPresenceContext(ctx context.Context, presence string) error {
+	values := url.Values{
+		"token":    {api.token},
+		"presence": {presence},
+	}
+
+	_, err := api.userRequest(ctx, "users.setPresence", values)
+	return err
+}
+
+// GetUserIdentity will retrieve user info available per identity scopes
+func (api *Client) GetUserIdentity() (*UserIdentityResponse, error) {
+	return api.GetUserIdentityContext(context.Background())
+}
+
+// GetUserIdentityContext will retrieve user info available per identity scopes with a custom context
+func (api *Client) GetUserIdentityContext(ctx context.Context) (response *UserIdentityResponse, err error) {
+	values := url.Values{
+		"token": {api.token},
+	}
+	response = &UserIdentityResponse{}
+
+	err = api.postMethod(ctx, "users.identity", values, response)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := response.Err(); err != nil {
+		return nil, err
+	}
+
+	return response, nil
+}
+
+// SetUserPhoto changes the currently authenticated user's profile image
+func (api *Client) SetUserPhoto(image string, params UserSetPhotoParams) error {
+	return api.SetUserPhotoContext(context.Background(), image, params)
+}
+
+// SetUserPhotoContext changes the currently authenticated user's profile image using a custom context
+func (api *Client) SetUserPhotoContext(ctx context.Context, image string, params UserSetPhotoParams) (err error) {
+	response := &SlackResponse{}
+	values := url.Values{
+		"token": {api.token},
+	}
+	if params.CropX != DEFAULT_USER_PHOTO_CROP_X {
+		values.Add("crop_x", strconv.Itoa(params.CropX))
+	}
+	if params.CropY != DEFAULT_USER_PHOTO_CROP_Y {
+		values.Add("crop_y", strconv.Itoa(params.CropX))
+	}
+	if params.CropW != DEFAULT_USER_PHOTO_CROP_W {
+		values.Add("crop_w", strconv.Itoa(params.CropW))
+	}
+
+	err = postLocalWithMultipartResponse(ctx, api.httpclient, api.endpoint+"users.setPhoto", image, "image", values, response, api)
+	if err != nil {
+		return err
+	}
+
+	return response.Err()
+}
+
+// DeleteUserPhoto deletes the current authenticated user's profile image
+func (api *Client) DeleteUserPhoto() error {
+	return api.DeleteUserPhotoContext(context.Background())
+}
+
+// DeleteUserPhotoContext deletes the current authenticated user's profile image with a custom context
+func (api *Client) DeleteUserPhotoContext(ctx context.Context) (err error) {
+	response := &SlackResponse{}
+	values := url.Values{
+		"token": {api.token},
+	}
+
+	err = api.postMethod(ctx, "users.deletePhoto", values, response)
+	if err != nil {
+		return err
+	}
+
+	return response.Err()
+}
+
+// SetUserCustomStatus will set a custom status and emoji for the currently
+// authenticated user. If statusEmoji is "" and statusText is not, the Slack API
+// will automatically set it to ":speech_balloon:". Otherwise, if both are ""
+// the Slack API will unset the custom status/emoji. If statusExpiration is set to 0
+// the status will not expire.
+func (api *Client) SetUserCustomStatus(statusText, statusEmoji string, statusExpiration int64) error {
+	return api.SetUserCustomStatusContextWithUser(context.Background(), "", statusText, statusEmoji, statusExpiration)
+}
+
+// SetUserCustomStatusContext will set a custom status and emoji for the currently authenticated user with a custom context
+//
+// For more information see SetUserCustomStatus
+func (api *Client) SetUserCustomStatusContext(ctx context.Context, statusText, statusEmoji string, statusExpiration int64) error {
+	return api.SetUserCustomStatusContextWithUser(context.Background(), "", statusText, statusEmoji, statusExpiration)
+}
+
+// SetUserCustomStatusWithUser will set a custom status and emoji for the provided user.
+//
+// For more information see SetUserCustomStatus
+func (api *Client) SetUserCustomStatusWithUser(user, statusText, statusEmoji string, statusExpiration int64) error {
+	return api.SetUserCustomStatusContextWithUser(context.Background(), user, statusText, statusEmoji, statusExpiration)
+}
+
+// SetUserCustomStatusContextWithUser will set a custom status and emoji for the provided user with a custom context
+//
+// For more information see SetUserCustomStatus
+func (api *Client) SetUserCustomStatusContextWithUser(ctx context.Context, user, statusText, statusEmoji string, statusExpiration int64) error {
+	// XXX(theckman): this anonymous struct is for making requests to the Slack
+	// API for setting and unsetting a User's Custom Status/Emoji. To change
+	// these values we must provide a JSON document as the profile POST field.
+	//
+	// We use an anonymous struct over UserProfile because to unset the values
+	// on the User's profile we cannot use the `json:"omitempty"` tag. This is
+	// because an empty string ("") is what's used to unset the values. Check
+	// out the API docs for more details:
+	//
+	// - https://api.slack.com/docs/presence-and-status#custom_status
+	profile, err := json.Marshal(
+		&struct {
+			StatusText       string `json:"status_text"`
+			StatusEmoji      string `json:"status_emoji"`
+			StatusExpiration int64  `json:"status_expiration"`
+		}{
+			StatusText:       statusText,
+			StatusEmoji:      statusEmoji,
+			StatusExpiration: statusExpiration,
+		},
+	)
+
+	if err != nil {
+		return err
+	}
+
+	values := url.Values{
+		"user":    {user},
+		"token":   {api.token},
+		"profile": {string(profile)},
+	}
+
+	response := &userResponseFull{}
+	if err = api.postMethod(ctx, "users.profile.set", values, response); err != nil {
+		return err
+	}
+
+	return response.Err()
+}
+
+// UnsetUserCustomStatus removes the custom status message for the currently
+// authenticated user. This is a convenience method that wraps (*Client).SetUserCustomStatus().
+func (api *Client) UnsetUserCustomStatus() error {
+	return api.UnsetUserCustomStatusContext(context.Background())
+}
+
+// UnsetUserCustomStatusContext removes the custom status message for the currently authenticated user
+// with a custom context. This is a convenience method that wraps (*Client).SetUserCustomStatus().
+func (api *Client) UnsetUserCustomStatusContext(ctx context.Context) error {
+	return api.SetUserCustomStatusContext(ctx, "", "", 0)
+}
+
+// GetUserProfile retrieves a user's profile information.
+func (api *Client) GetUserProfile(userID string, includeLabels bool) (*UserProfile, error) {
+	return api.GetUserProfileContext(context.Background(), userID, includeLabels)
+}
+
+type getUserProfileResponse struct {
+	SlackResponse
+	Profile *UserProfile `json:"profile"`
+}
+
+// GetUserProfileContext retrieves a user's profile information with a context.
+func (api *Client) GetUserProfileContext(ctx context.Context, userID string, includeLabels bool) (*UserProfile, error) {
+	values := url.Values{"token": {api.token}, "user": {userID}}
+	if includeLabels {
+		values.Add("include_labels", "true")
+	}
+	resp := &getUserProfileResponse{}
+
+	err := api.postMethod(ctx, "users.profile.get", values, &resp)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := resp.Err(); err != nil {
+		return nil, err
+	}
+
+	return resp.Profile, nil
+}