yhlxj/netflix-dao/src/main/resources/mapper/CouponUserMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.cyksj.mapper.manage.coupon.CouponUserMapper">

    <select id="getAvailableCouponList" resultType="com.cyksj.model.views.CouponUserView">
        select distinct cu.id,
                        cp.id as coupon_id,
                        cp.name,
                        cp.goods_type,
                        cp.type,
                        cp.goods_sku_ids,
                        cp.discount,
                        cp.reduce_money,
                        cp.is_valid_time,
                        cu.valid_start_time,
                        cu.valid_end_time,
                        cp.valid_days,
                        cu.created_time,
                        cp.is_renew,
                        cu.status as couponUserStatus,
                        if(ck.id is null, 0, 1) as 'isAvailable'
        from `coupon_user` cu
        left join `coupon` cp on cp.id = cu.coupon_id
        left join `coupon_sku` ck on ck.coupon_id = cp.id
        <if test="goodsId != null">
            and ck.goods_id = #{goodsId}
        </if>
        <if test="goodsId == null">
            and ck.sku_id = #{skuId}
        </if>
        <if test="isRenew != null and isRenew">
            and cp.is_renew = #{isRenew}
        </if>
        and cu.status != 'used'
        where cu.user_id = #{userId}
        and cu.channel != 'exCode'
        and cu.valid_start_time > now()
        <if test="couponId == null">
            order by isAvailable desc
        </if>
        <if test="couponId != null">
            order by case when cp.id = #{couponId} then 2 else isAvailable end desc
        </if>
    </select>

    <select id="countAvailableCouponList" resultType="java.lang.Integer">
        select count(distinct cu.id)
        from `coupon_user` cu
        left join `coupon` cp on cp.id = cu.coupon_id
        left join `coupon_sku` ck on ck.coupon_id = cp.id
        where
        <if test="goodsId != null">
            ck.goods_id = #{goodsId}
        </if>
        <if test="goodsId == null">
            ck.sku_id = #{skuId}
        </if>
        and cu.user_id = #{userId}
        and cu.status = 'unused'
        and cu.channel != 'exCode'
        <if test="isRenew != null and isRenew">
            and cp.is_renew = #{isRenew}
        </if>
    </select>

    <select id="couponCenterList" resultType="com.cyksj.model.views.CouponActiveView">
        select *
        from (select ca.id,
                     c.id                                                                   as coupon_id,
                     c.name,
                     c.goods_type,
                     c.type,
                     c.reduce_money,
                     c.discount,
                     c.scope,
                     c.goods_sku_ids,
                     c.is_valid_time,
                     c.valid_start_time,
                     c.valid_end_time,
                     c.valid_days,
                     c.is_renew,
                     ca.num,
                     ca.`status`,
                     ca.expiry_status,
                     ca.remain_num,
                     (case
                          when ca.remain_num &lt;= 0 then 'over'
                          when cu.id is null then 'collecting'
                          when cu.id is not null and cu.status != 'unused' then 'used'
                          when cu.id is not null and cu.status = 'unused' then 'received'
                         end)                                                               as couponStatus,
                     (case
                          when remain_num &lt;= 0 then 2
                          when cu.id is null then 0
                          when cu.id is not null and cu.status = 'unused' then 1
                         end)                                                               as `order`,
                     if(c.is_valid_time is true and c.valid_end_time &lt; now(), false, true) as flag
              from coupon_active ca
                       left join coupon c
                                 on c.id = ca.coupon_id
                       left join coupon_user cu on cu.coupon_id = c.id and cu.user_id = #{userId}
              where ca.deleted is true
                and c.deleted is true
                and cu.id is null
                and ca.expiry_status != 0
        and ca.`status` != 0
             ) s
        where couponStatus != 'used'
        and flag = 1
        order by `order`
    </select>

    <select id="couponPersonalList" resultType="com.cyksj.model.views.CouponUserView">
        select cu.id,
               cu.channel,
               cu.user_id,
               c.id                     as couponId,
               ca.id                    as couponActiveId,
               c.name,
               c.goods_type,
               c.type,
               c.reduce_money,
               c.discount,
               c.goods_sku_ids,
               c.is_valid_time,
               cu.valid_start_time,
               c.valid_days,
               cu.valid_end_time,
               c.is_renew,
               (case
                    when cu.valid_end_time &lt; now() then 'expired'
                    when ca.status = 0 then 'invalid'
                    else cu.status end) as couponUserStatus,
               (case
                    when cu.status = 'unused' then 0
                    when cu.valid_start_time &lt; now() then 1
                    when cu.valid_end_time &lt; now() then 2
                    when ca.status = 0 then 3
                    when cu.status = 'used' then 4
                   end)                 as orderby
        from `coupon_user` cu
                 left join `coupon` c on c.id = cu.coupon_id
                 left join `coupon_active` ca on ca.coupon_id = c.id
        where cu.user_id = #{userId}
          and cu.channel != 'exCode'
          and ca.id is not null
        order by `orderby`
    </select>
</mapper>