/**
* Updates an existing Coupon model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = new CouponForm();
$model->scenario = 'update';
if ($model->load(Yii::$app->request->post()) && $model->updateCoupon($id)) {
return $this->redirect(['index']);
} else {
return $this->render('update', ['model' => $model]);
}
}
