public function actionDelete()
 {
     $result = [];
     $this->layout = 'json';
     $id = Yii::$app->request->get('id');
     $new_name = Yii::$app->request->get('name');
     if (!empty($id)) {
         $user_id = Yii::$app->user->identity->getId();
         $model = new PhotobookForm();
         if ($model->loadById($id)) {
             $result = $model->delete();
             //$result=$model->changeName($new_name);
         } else {
             $result = ['error' => ['msg' => Yii::t('app', 'Фотокнига не найдена')]];
         }
     } else {
         $result = ['error' => ['msg' => Yii::t('app', 'Фотокнига не найдена')]];
     }
     return $this->render('json', ['result' => $result]);
 }