public function joinRoom($id)
 {
     $room_details = ChatRoomPeer::getChatRoomDetailsById($id);
     if (!$room_details) {
         return Redirect::route('home');
     }
     return ChatRoomMember::userChatRoomValidityCheck($id) ? View::make('chatrooms.joinChat', array('room_details' => $room_details)) : Redirect::route('home');
 }