public function createOrderCouponByCoupon(OrderCouponOnApplyEvent $event)
    {
        $orderCoupon = $this
            ->couponToOrderCouponTransformer
            ->createOrderCouponByCoupon(
                $event->getOrder(),
                $event->getCoupon()
            );

        $event->setOrderCoupon($orderCoupon);
    }