Expand Plugin and REST APIs to trigger user typing event (#14331)

app/app_iface.go

@@ -774,6 +774,7 @@ type AppIface interface {
 	ProcessSlackText(text string) string
 	Publish(message *model.WebSocketEvent)
 	PublishSkipClusterSend(message *model.WebSocketEvent)
+	PublishUserTyping(userId, channelId, parentId string) *model.AppError
 	PurgeBleveIndexes() *model.AppError
 	PurgeElasticsearchIndexes() *model.AppError
 	ReadFile(path string) ([]byte, *model.AppError)

app/opentracing_layer.go

@@ -10750,6 +10750,28 @@ func (a *OpenTracingAppLayer) PublishSkipClusterSend(message *model.WebSocketEve
 	a.app.PublishSkipClusterSend(message)
 }
 
+func (a *OpenTracingAppLayer) PublishUserTyping(userId string, channelId string, parentId string) *model.AppError {
+	origCtx := a.ctx
+	span, newCtx := tracing.StartSpanWithParentByContext(a.ctx, "app.PublishUserTyping")
+
+	a.ctx = newCtx
+	a.app.Srv().Store.SetContext(newCtx)
+	defer func() {
+		a.app.Srv().Store.SetContext(origCtx)
+		a.ctx = origCtx
+	}()
+
+	defer span.Finish()
+	resultVar0 := a.app.PublishUserTyping(userId, channelId, parentId)
+
+	if resultVar0 != nil {
+		span.LogFields(spanlog.Error(resultVar0))
+		ext.Error.Set(span, true)
+	}
+
+	return resultVar0
+}
+
 func (a *OpenTracingAppLayer) PurgeBleveIndexes() *model.AppError {
 	origCtx := a.ctx
 	span, newCtx := tracing.StartSpanWithParentByContext(a.ctx, "app.PurgeBleveIndexes")

app/plugin_api.go

@@ -850,6 +850,10 @@ func (api *PluginAPI) DeleteBotIconImage(userId string) *model.AppError {
 	return api.app.DeleteBotIconImage(userId)
 }
 
+func (api *PluginAPI) PublishUserTyping(userId, channelId, parentId string) *model.AppError {
+	return api.app.PublishUserTyping(userId, channelId, parentId)
+}
+
 func (api *PluginAPI) PluginHTTP(request *http.Request) *http.Response {
 	split := strings.SplitN(request.URL.Path, "/", 3)
 	if len(split) != 3 {

app/user.go

@@ -2088,6 +2088,18 @@ func (a *App) DemoteUserToGuest(user *model.User) *model.AppError {
 	return nil
 }
 
+func (a *App) PublishUserTyping(userId, channelId, parentId string) *model.AppError {
+	omitUsers := make(map[string]bool, 1)
+	omitUsers[userId] = true
+
+	event := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_TYPING, "", channelId, "", omitUsers)
+	event.Add("parent_id", parentId)
+	event.Add("user_id", userId)
+	a.Publish(event)
+
+	return nil
+}
+
 // invalidateUserCacheAndPublish Invalidates cache for a user and publishes user updated event
 func (a *App) invalidateUserCacheAndPublish(userId string) {
 	a.InvalidateCacheForUser(userId)