public function actionDelete($id)
 {
     $model = Page::findOne($id);
     if ($model) {
         $model->delete();
     }
     return $this->redirect(['index']);
 }
 public function actionView($uid)
 {
     /** @var Page $pageModel */
     $pageModel = Page::findOne(['uid' => $uid]);
     if (!$pageModel) {
         throw new NotFoundHttpException(Yii::t('app', 'Страница не найдена'));
     }
     Yii::$app->megaMenu->getActiveItem()->label = $pageModel->title;
     return $this->render('view', ['pageModel' => $pageModel]);
 }