public function actionPhotoDelete()
 {
     $response = [];
     $post = Yii::$app->request->post();
     if (Photo::checkPermissionsUser(Yii::$app->user->getId(), $post['id_photo'])) {
         Photo::deletePhoto($post['id_photo']);
         $response['response'] = 'ok';
         if ($post['is_cover']) {
             $is_cover = Photo::deleteCoverPhoto($post['id_album'], $post['id_photo']);
             $response['is_cover'] = $is_cover;
         }
     } else {
         $response['response'] = 'error';
     }
     echo json_encode($response);
 }