public function actionAddMenuItem()
 {
     $item = \Yii::$app->request->post('item');
     $menuItem = new MenuItems();
     $menuItem->attributes = $item;
     $menuItem->enabled = true;
     if ($menuItem->validate()) {
         if ($menuItem->save(false)) {
             return $menuItem;
         } else {
             throw new Exception("Database exception");
         }
     } else {
         $ex = new ValidationException();
         $ex->setData($menuItem->errors);
         throw $ex;
     }
 }