/**
  * Creates a new Collection model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new Collection();
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         return $this->redirect(['view', 'id' => $model->id]);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }
 /**
  * Creates a new Collection model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new Collection();
     if ($model->load(Yii::$app->request->post())) {
         // set the time
         if ($model->time) {
             date_default_timezone_set("Asia/ShangHai");
             $model->time .= "  " . date("H:i:s");
         }
         $model->save();
         // add the money to customer
         $customer = $model->customer;
         $customer->payed += $model->money;
         $customer->unpay -= $model->money;
         $customer->save();
         return $this->redirect(['view', 'id' => $model->id]);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }