public function actionValidate()
{
$couponId = Yii::$app->request->post('couponId');
$shoppingCoupon = new ShoppingCoupon();
if ($couponId != 0) {
if (in_array($couponId, Yii::$app->getSession()->get($shoppingCoupon::SESSION_KEY))) {
return $shoppingCoupon->getResult($couponId);
} else {
return Json::encode(['status' => 'fail']);
}
}
}
/**
* 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]);
}
}
public static function attachEvents()
{
self::frontendRegister();
Event::on(Order::className(), Order::EVENT_CHANGE_PRICE, [ShoppingCoupon::className(), 'useCoupon']);
}