working in responsiveness

src/app/services/chat.service.ts

@@ -67,6 +67,16 @@ export class ChatService {
     getAllRooms(){
       return this.http.get(environment.apiChatUrl+'rooms.get', this.options);
     }
+    getRoomInfo(roomId:any){
+      let params = new HttpParams();
+      params = params.set("roomId", roomId);
+      let opts = { 
+        headers: this.headers, 
+        params: params 
+      }
+      return this.http.get(environment.apiChatUrl+'rooms.info', opts);
+      
+    }
     customsRooms(params:any){
       let opts = { 
         headers: this.headers,