/**
* use coupon before create order
* @param $event
*/
public function useCoupon($event)
{
/** @var $order Order */
$order = $event->sender;
/** @var $couponModel Coupon */
$couponModel = Coupon::findOne(Yii::$app->getSession()->get(self::SESSION_COUPON_MODEL_KEY));
if ($couponModel) {
$couponRuleModel = $couponModel->couponRule;
$result = Json::decode($couponRuleModel->result);
if ($result['type']) {
$order->total_price = $order->total_price * $result['number'];
} else {
$order->total_price = $order->total_price - $result['number'];
}
switch ($result['shipping']) {
case 1:
$order->shipping_fee = $order->shipping_fee - $result['shippingFee'];
break;
case 2:
$order->shipping_fee = 0;
}
Event::on(Order::className(), Order::EVENT_AFTER_INSERT, [ShoppingCoupon::className(), 'updateCouponStatus'], ['couponModel' => $couponModel]);
}
}
/**
* Finds the Coupon model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Coupon the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Coupon::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
