6 files changed, 148 insertions, 6 deletions
diff --git a/vendor/github.com/slack-go/slack/apps.go b/vendor/github.com/slack-go/slack/apps.go
new file mode 100644
index 00000000..cb26ad8e
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/apps.go
@@ -0,0 +1,43 @@
+package slack
+
+import (
+	"context"
+	"encoding/json"
+)
+
+type listEventAuthorizationsResponse struct {
+	SlackResponse
+	Authorizations []EventAuthorization `json:"authorizations"`
+}
+
+type EventAuthorization struct {
+	EnterpriseID        string `json:"enterprise_id"`
+	TeamID              string `json:"team_id"`
+	UserID              string `json:"user_id"`
+	IsBot               bool   `json:"is_bot"`
+	IsEnterpriseInstall bool   `json:"is_enterprise_install"`
+}
+
+func (api *Client) ListEventAuthorizations(eventContext string) ([]EventAuthorization, error) {
+	return api.ListEventAuthorizationsContext(context.Background(), eventContext)
+}
+
+// ListEventAuthorizationsContext lists authed users and teams for the given event_context. You must provide an app-level token to the client using OptionAppLevelToken. More info: https://api.slack.com/methods/apps.event.authorizations.list
+func (api *Client) ListEventAuthorizationsContext(ctx context.Context, eventContext string) ([]EventAuthorization, error) {
+	resp := &listEventAuthorizationsResponse{}
+
+	request, _ := json.Marshal(map[string]string{
+		"event_context": eventContext,
+	})
+
+	err := postJSON(ctx, api.httpclient, api.endpoint+"apps.event.authorizations.list", api.appLevelToken, request, &resp, api)
+
+	if err != nil {
+		return nil, err
+	}
+	if !resp.Ok {
+		return nil, resp.Err()
+	}
+
+	return resp.Authorizations, nil
+}
diff --git a/vendor/github.com/slack-go/slack/dialog.go b/vendor/github.com/slack-go/slack/dialog.go
index 376cd9e6..f94113f4 100644
--- a/vendor/github.com/slack-go/slack/dialog.go
+++ b/vendor/github.com/slack-go/slack/dialog.go
@@ -54,7 +54,9 @@ type DialogCallback InteractionCallback
 
 // DialogSubmissionCallback is sent from Slack when a user submits a form from within a dialog
 type DialogSubmissionCallback struct {
-	State      string            `json:"state,omitempty"`
+	// NOTE: State is only used with the dialog_submission type.
+	// You should use InteractionCallback.BlockActionsState for block_actions type.
+	State      string            `json:"-"`
 	Submission map[string]string `json:"submission"`
 }
 
diff --git a/vendor/github.com/slack-go/slack/interactions.go b/vendor/github.com/slack-go/slack/interactions.go
index c7f59217..2515e290 100644
--- a/vendor/github.com/slack-go/slack/interactions.go
+++ b/vendor/github.com/slack-go/slack/interactions.go
@@ -56,6 +56,65 @@ type InteractionCallback struct {
 	DialogSubmissionCallback
 	ViewSubmissionCallback
 	ViewClosedCallback
+
+	// FIXME(kanata2): just workaround for backward-compatibility.
+	// See also https://github.com/slack-go/slack/issues/816
+	RawState json.RawMessage `json:"state,omitempty"`
+
+	// BlockActionState stands for the `state` field in block_actions type.
+	// NOTE: InteractionCallback.State has a role for the state of dialog_submission type,
+	// so we cannot use this field for backward-compatibility for now.
+	BlockActionState *BlockActionStates `json:"-"`
+}
+
+type BlockActionStates struct {
+	Values map[string]map[string]BlockAction `json:"values"`
+}
+
+func (ic *InteractionCallback) MarshalJSON() ([]byte, error) {
+	type alias InteractionCallback
+	tmp := alias(*ic)
+	if tmp.Type == InteractionTypeBlockActions {
+		if tmp.BlockActionState == nil {
+			tmp.RawState = []byte(`{}`)
+		} else {
+			state, err := json.Marshal(tmp.BlockActionState.Values)
+			if err != nil {
+				return nil, err
+			}
+			tmp.RawState = []byte(`{"values":` + string(state) + `}`)
+		}
+	} else if ic.Type == InteractionTypeDialogSubmission {
+		tmp.RawState = []byte(tmp.State)
+	}
+	// Use pointer for go1.7
+	return json.Marshal(&tmp)
+}
+
+func (ic *InteractionCallback) UnmarshalJSON(b []byte) error {
+	type alias InteractionCallback
+	tmp := struct {
+		Type InteractionType `json:"type"`
+		*alias
+	}{
+		alias: (*alias)(ic),
+	}
+	if err := json.Unmarshal(b, &tmp); err != nil {
+		return err
+	}
+	*ic = InteractionCallback(*tmp.alias)
+	ic.Type = tmp.Type
+	if ic.Type == InteractionTypeBlockActions {
+		if len(ic.RawState) > 0 {
+			err := json.Unmarshal(ic.RawState, &ic.BlockActionState)
+			if err != nil {
+				return err
+			}
+		}
+	} else if ic.Type == InteractionTypeDialogSubmission {
+		ic.State = string(ic.RawState)
+	}
+	return nil
 }
 
 type Container struct {
diff --git a/vendor/github.com/slack-go/slack/reminders.go b/vendor/github.com/slack-go/slack/reminders.go
index 9b905387..de1170a6 100644
--- a/vendor/github.com/slack-go/slack/reminders.go
+++ b/vendor/github.com/slack-go/slack/reminders.go
@@ -21,6 +21,11 @@ type reminderResp struct {
 	Reminder Reminder `json:"reminder"`
 }
 
+type remindersResp struct {
+	SlackResponse
+	Reminders []Reminder `json:"reminders"`
+}
+
 func (api *Client) doReminder(ctx context.Context, path string, values url.Values) (*Reminder, error) {
 	response := &reminderResp{}
 	if err := api.postMethod(ctx, path, values, response); err != nil {
@@ -29,6 +34,31 @@ func (api *Client) doReminder(ctx context.Context, path string, values url.Value
 	return &response.Reminder, response.Err()
 }
 
+func (api *Client) doReminders(ctx context.Context, path string, values url.Values) ([]*Reminder, error) {
+	response := &remindersResp{}
+	if err := api.postMethod(ctx, path, values, response); err != nil {
+		return nil, err
+	}
+
+	// create an array of pointers to reminders
+	var reminders = make([]*Reminder, 0, len(response.Reminders))
+	for _, reminder := range response.Reminders {
+		reminders = append(reminders, &reminder)
+	}
+
+	return reminders, response.Err()
+}
+
+// ListReminders lists all the reminders created by or for the authenticated user
+//
+// See https://api.slack.com/methods/reminders.list
+func (api *Client) ListReminders() ([]*Reminder, error) {
+	values := url.Values{
+		"token": {api.token},
+	}
+	return api.doReminders(context.Background(), "reminders.list", values)
+}
+
 // AddChannelReminder adds a reminder for a channel.
 //
 // See https://api.slack.com/methods/reminders.add (NOTE: the ability to set
diff --git a/vendor/github.com/slack-go/slack/slack.go b/vendor/github.com/slack-go/slack/slack.go
index 0972d52e..14367365 100644
--- a/vendor/github.com/slack-go/slack/slack.go
+++ b/vendor/github.com/slack-go/slack/slack.go
@@ -57,11 +57,12 @@ type authTestResponseFull struct {
 type ParamOption func(*url.Values)
 
 type Client struct {
-	token      string
-	endpoint   string
-	debug      bool
-	log        ilogger
-	httpclient httpClient
+	token         string
+	appLevelToken string
+	endpoint      string
+	debug         bool
+	log           ilogger
+	httpclient    httpClient
 }
 
 // Option defines an option for a Client
@@ -93,6 +94,11 @@ func OptionAPIURL(u string) func(*Client) {
 	return func(c *Client) { c.endpoint = u }
 }
 
+// OptionAppLevelToken sets an app-level token for the client.
+func OptionAppLevelToken(token string) func(*Client) {
+	return func(c *Client) { c.appLevelToken = token }
+}
+
 // New builds a slack client from the provided token and options.
 func New(token string, options ...Option) *Client {
 	s := &Client{
diff --git a/vendor/github.com/slack-go/slack/slash.go b/vendor/github.com/slack-go/slack/slash.go
index f62065a2..b2c50947 100644
--- a/vendor/github.com/slack-go/slack/slash.go
+++ b/vendor/github.com/slack-go/slack/slash.go
@@ -19,6 +19,7 @@ type SlashCommand struct {
 	Text           string `json:"text"`
 	ResponseURL    string `json:"response_url"`
 	TriggerID      string `json:"trigger_id"`
+	APIAppID       string `json:"api_app_id"`
 }
 
 // SlashCommandParse will parse the request of the slash command
@@ -39,6 +40,7 @@ func SlashCommandParse(r *http.Request) (s SlashCommand, err error) {
 	s.Text = r.PostForm.Get("text")
 	s.ResponseURL = r.PostForm.Get("response_url")
 	s.TriggerID = r.PostForm.Get("trigger_id")
+	s.APIAppID = r.PostForm.Get("api_app_id")
 	return s, nil
 }