public function actionDeleteDiscussion()
 {
     if (Yii::$app->user->isGuest) {
         echo json_encode(['status' => 'error']);
         return;
     }
     $request = Yii::$app->request;
     $disId = $request->post('disId');
     if (Club::checkPermissionDiscussion($disId)) {
         Club::deleteDiscussion($disId);
         $response['status'] = 'success';
     } else {
         $response['status'] = 'error';
     }
     echo json_encode($response);
 }