improve

src/app/services/chat/chat-system.service.ts

@@ -199,7 +199,7 @@ export class ChatSystemService {
     }
   }
 
-  async getAllRooms () {
+  async getAllRooms (callback:Function = () =>{} , roomIdCallback = "") {
     this.loadingWholeList = true
     var rooms;
 
@@ -295,7 +295,13 @@ export class ChatSystemService {
             rooms.result.update[index]['membersExcludeMe'] = users
             await this.prepareRoom(roomData);
           }
+          
         }
+
+        if(roomId == roomIdCallback) {
+          callback()
+        }
+        
   
         index++;
       }