/**
  * Creates a new TourField model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate($tour_id)
 {
     $model = new TourField();
     $model->tour_id = $tour_id;
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         SortUtils::normalizeSort($model, ['tour_id' => $model->tour_id]);
         return $this->redirectToFieldList($model->tour_id);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }