Fixing permalinks to channels your not a memeber of (#2805)

api/api.go

@@ -24,8 +24,9 @@ type Routes struct {
 	Teams    *mux.Router // 'api/v3/teams'
 	NeedTeam *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}'
 
-	Channels    *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels'
-	NeedChannel *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels/{channel_id:[A-Za-z0-9]+}'
+	Channels        *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels'
+	NeedChannel     *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels/{channel_id:[A-Za-z0-9]+}'
+	NeedChannelName *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels/name/{channel_name:[A-Za-z0-9-]+}'
 
 	Posts    *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels/{channel_id:[A-Za-z0-9]+}/posts'
 	NeedPost *mux.Router // 'api/v3/teams/{team_id:[A-Za-z0-9]+}/channels/{channel_id:[A-Za-z0-9]+}/posts/{post_id:[A-Za-z0-9]+}'
@@ -56,6 +57,7 @@ func InitApi() {
 	BaseRoutes.NeedTeam = BaseRoutes.Teams.PathPrefix("/{team_id:[A-Za-z0-9]+}").Subrouter()
 	BaseRoutes.Channels = BaseRoutes.NeedTeam.PathPrefix("/channels").Subrouter()
 	BaseRoutes.NeedChannel = BaseRoutes.Channels.PathPrefix("/{channel_id:[A-Za-z0-9]+}").Subrouter()
+	BaseRoutes.NeedChannelName = BaseRoutes.Channels.PathPrefix("/name/{channel_name:[A-Za-z0-9-]+}").Subrouter()
 	BaseRoutes.Posts = BaseRoutes.NeedChannel.PathPrefix("/posts").Subrouter()
 	BaseRoutes.NeedPost = BaseRoutes.Posts.PathPrefix("/{post_id:[A-Za-z0-9]+}").Subrouter()
 	BaseRoutes.Commands = BaseRoutes.NeedTeam.PathPrefix("/commands").Subrouter()