lanzu_api_2021-12-26/app/Service/v3/Interfaces/CouponServiceInterface.php

<?php

namespace App\Service\v3\Interfaces;

interface CouponServiceInterface
{
    /**
     * 领取
     * @return mixed
     */
    public function do();

    /**
     * 是否已经领取
     * @return mixed
     */
    public function check();

    /**
     * 退还优惠券
     * @return mixed
     */
    public function undo();

    /**
     * 统计用户可使用优惠券数量
     * @param $userId
     * @return mixed
     */
    public function countAvailableByUser($userId);

    public function cacheTodayCouponUsed($userId, $couponId, $couponRecId);

    public function allTodayCouponUsed($userId);

    /**
     * 订单使用优惠券
     * @param $orderMainId
     * @param $couponRecs
     * @return mixed
     */
    public function orderUseCoupons($orderMainId, $couponRecs);

    /**
     * 订单退还优惠券
     * @param $orderMainId
     * @return mixed
     */
    public function orderRefundCoupons($orderMainId);
}