gold_java/src/main/java/com/example/demo/mapper/RefundMapper.java

package com.example.demo.mapper;


import com.example.demo.domain.entity.Detail;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface RefundMapper {

    @Insert({
            "insert into detail",
            "(jwcode,refund_type,refund_goods,contact_id,recharge_coin,free_coin,task_coin,remark,admin_id,create_time,update_type,order_code)",
            "values",
            "(#{jwcode},#{refundType},#{refundGoods},#{contactId},#{rechargeCoin},#{freeCoin},#{taskCoin},#{remark},#{adminId},now(),2,#{orderCode})"
    })
    @Options(useGeneratedKeys = true, keyColumn = "detail_id", keyProperty = "detailId")
    int insert(Detail detail);

    @Insert({
            "insert into audit",
            "(jwcode,refund_id,admin_id,create_time,detail_id)",
            "values",
            "(#{jwcode},#{detailId},#{adminId},now(),#{detailId})"
    })
    int insertAudit(Detail detail);

    // 检查 contactId 是否存在
    @Select("SELECT EXISTS (SELECT 1 FROM detail WHERE contact_id = #{contactId})")
    boolean existsByContactId(@Param("contactId") Integer contactId);

    //根据订单号查询
//    @Select("select d.* " +
//            "       p.name AS productName" +
//            "FROM detail where order_code = #{orderCode} and detail_flag = 1" +
//            "LEFT JOIN product p ON d.product_id = p.id" )
//    Detail selectByOrderCode(@Param("orderCode") String orderCode);


    //根据精网号查询
    @Select("SELECT d.*, p.name AS productName " +
            "FROM detail d " +
            "LEFT JOIN product p ON d.product_id = p.product_id " +
            "WHERE d.jwcode = #{jwcode} AND d.detail_flag = 1 AND d.refund_flag = 1")
    Detail selectByJWCODE(String jwcode);


    //根据订单号查询
    @Select("SELECT d.*, p.name AS productName " +
            "FROM detail d " +
            "LEFT JOIN product p ON d.product_id = p.product_id " +
            "WHERE d.order_code = #{orderCode} AND d.detail_flag = 1 AND d.refund_flag = 1")
    Detail selectByOrderCode(String OrderCode);
    //软删除
    @Update("update detail set detail_flag = 0 where detail_id = #{detailId}")
    int update(@Param("detailId") Integer detailId);

    //是否退款
    @Update("update detail set refund_flag = 0 where detail_id = #{contactId}")
    int updateOrderCode(Integer contactId);

    @Select("select * from detail where detail_id = #{detailId} and detail_flag = 1")
    Detail selectByDetailId(Integer detailId);


    @Select({
            "<script>",
            "SELECT d.jwcode,d.refund_type,d.refund_goods,d.recharge_coin,d.free_coin,d.task_coin,d.remark,d.create_time ,",
            "       a.area AS adminArea, a.name AS adminName,",
            "       u.name AS userName,",
            "       au.status AS auditStatus, au.reson AS auditReson",
            "FROM detail d",
            "LEFT JOIN admin a ON d.admin_id = a.admin_id",
            "LEFT JOIN user u ON d.jwcode = u.jwcode",
            "LEFT JOIN audit au ON d.detail_id = au.refund_id",
            "WHERE d.detail_flag = 1 and update_type = 2 ",
            "<if test='auditStatus!=null'>and auditStatus=#{auditStatus}</if>",
            "<if test='jwcode != null'>AND d.jwcode = #{jwcode}</if>",
            "<if test='refundType != null'>AND d.refund_type LIKE CONCAT('%', #{refundType}, '%')</if>",
            "<if test='refundGoods != null'>AND d.refund_goods LIKE CONCAT('%', #{refundGoods}, '%')</if>",
            "<if test='startDate != null and endDate != null'>AND d.create_time BETWEEN #{startDate} AND #{endDate}</if>",
            "ORDER BY d.create_time DESC",
            "</script>"
    })
    List<Detail> select(Detail detail);
}