perf: server navigation

toju-app/src/app/store/rooms/rooms.reducer.ts

@@ -42,6 +42,20 @@ function getDefaultTextChannelId(room: Room): string {
   return resolveActiveTextChannelId(enrichRoom(room).channels, 'general');
 }
 
+function activateRoomView(state: RoomsState, room: Room, isConnecting: boolean): RoomsState {
+  const enriched = enrichRoom(room);
+
+  return {
+    ...state,
+    currentRoom: enriched,
+    savedRooms: upsertRoom(state.savedRooms, enriched),
+    isConnecting,
+    signalServerCompatibilityError: null,
+    isConnected: true,
+    activeChannelId: getDefaultTextChannelId(enriched)
+  };
+}
+
 /** Upsert a room into a saved-rooms list (add or replace by id) */
 function upsertRoom(savedRooms: Room[], room: Room): Room[] {
   const normalizedRoom = enrichRoom(room);
@@ -220,27 +234,24 @@ export const roomsReducer = createReducer(
   })),
 
   // View server - just switch the viewed room, stay connected
-  on(RoomsActions.viewServer, (state) => ({
-    ...state,
-    isConnecting: true,
-    signalServerCompatibilityError: null,
-    error: null
-  })),
-
-  on(RoomsActions.viewServerSuccess, (state, { room }) => {
-    const enriched = enrichRoom(room);
+  on(RoomsActions.viewServer, (state, { room, skipBanCheck }) => {
+    if (skipBanCheck) {
+      return {
+        ...activateRoomView(state, room, true),
+        error: null
+      };
+    }
 
     return {
       ...state,
-      currentRoom: enriched,
-      savedRooms: upsertRoom(state.savedRooms, enriched),
-      isConnecting: false,
+      isConnecting: true,
       signalServerCompatibilityError: null,
-      isConnected: true,
-      activeChannelId: getDefaultTextChannelId(enriched)
+      error: null
     };
   }),
 
+  on(RoomsActions.viewServerSuccess, (state, { room }) => activateRoomView(state, room, false)),
+
   // Update room settings
   on(RoomsActions.updateRoomSettings, (state) => ({
     ...state,