public function actionRemoveSpecialOffer()
 {
     $status = "OK";
     $data = Yii::$app->request->post();
     $sp = new SpecialOffer();
     $ok = $sp->removeSpecialOffer($data['cid']);
     if (!$ok) {
         $status = "ERROR";
     }
     Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
     $responce = ['status' => $status];
     return $responce;
 }