Add API Endpoint for deleted Channels (#5889)

api4/channel.go

@@ -21,6 +21,7 @@ func InitChannel() {
 	BaseRoutes.Channels.Handle("/members/{user_id:[A-Za-z0-9]+}/view", ApiSessionRequired(viewChannel)).Methods("POST")
 
 	BaseRoutes.ChannelsForTeam.Handle("", ApiSessionRequired(getPublicChannelsForTeam)).Methods("GET")
+	BaseRoutes.ChannelsForTeam.Handle("/deleted", ApiSessionRequired(getDeletedChannelsForTeam)).Methods("GET")
 	BaseRoutes.ChannelsForTeam.Handle("/ids", ApiSessionRequired(getPublicChannelsByIdsForTeam)).Methods("POST")
 	BaseRoutes.ChannelsForTeam.Handle("/search", ApiSessionRequired(searchChannelsForTeam)).Methods("POST")
 	BaseRoutes.User.Handle("/teams/{team_id:[A-Za-z0-9]+}/channels", ApiSessionRequired(getChannelsForTeamForUser)).Methods("GET")
@@ -385,6 +386,26 @@ func getPublicChannelsForTeam(c *Context, w http.ResponseWriter, r *http.Request
 	}
 }
 
+func getDeletedChannelsForTeam(c *Context, w http.ResponseWriter, r *http.Request) {
+	c.RequireTeamId()
+	if c.Err != nil {
+		return
+	}
+
+	if !app.SessionHasPermissionToTeam(c.Session, c.Params.TeamId, model.PERMISSION_MANAGE_TEAM) {
+		c.SetPermissionError(model.PERMISSION_MANAGE_TEAM)
+		return
+	}
+
+	if channels, err := app.GetDeletedChannels(c.Params.TeamId, c.Params.Page * c.Params.PerPage, c.Params.PerPage); err != nil {
+		c.Err = err
+		return
+	} else {
+		w.Write([]byte(channels.ToJson()))
+		return
+	}
+}
+
 func getPublicChannelsByIdsForTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 	c.RequireTeamId()
 	if c.Err != nil {