/**
  * Creates a new AuthItem model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new AuthItemModel(null);
     $model->type = Item::TYPE_ROLE;
     if ($model->load(Yii::$app->getRequest()->post()) && $model->save()) {
         Yii::$app->session->setFlash('success', 'Role has been saved.');
         return $this->redirect(['view', 'id' => $model->name]);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getItemName()
 {
     return $this->hasOne(AuthItemModel::className(), ['name' => 'item_name']);
 }