退单接口修改 购物车查询逻辑修改

eladmin-system/src/main/java/cn/ysk/cashier/mybatis/mapper/TbCashierCartMapper.java

@@ -7,6 +7,7 @@ import cn.ysk.cashier.vo.TbCashierCartVO;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
 
 import java.util.List;
 
@@ -36,4 +37,15 @@ public interface TbCashierCartMapper extends BaseMapper<TbCashierCart> {
 
     @Select("select a.*, b.spec_snap from tb_cashier_cart as a left join tb_product_sku as b on a.sku_id=b.id where a.shop_id=#{shopId} and a.status='refund';")
     List<TbCashierCartVO> selectPending(Integer shopId);
+
+    /**
+     * 更新购物车数量以及金额
+     * @param id id
+     * @param status 状态
+     * @param changeNum 修改数量 正数增加 负数减少
+     * @return 影响行数
+     */
+    @Update("update tb_cashier_cart set status=#{status}, total_amount=(number+#{changeNum})*sale_price,number=number+#{changeNum},total_number=total_number+#{changeNum} " +
+            "where id=#{id}")
+    int updateNumAmountStatus(Integer id, String status, Integer changeNum);
 }

eladmin-system/src/main/java/cn/ysk/cashier/mybatis/mapper/TbOrderDetailMapper.java

@@ -2,6 +2,18 @@ package cn.ysk.cashier.mybatis.mapper;
 
 import cn.ysk.cashier.pojo.order.TbOrderDetail;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Update;
 
 public interface TbOrderDetailMapper extends BaseMapper<TbOrderDetail> {
+
+    /**
+     * 更新购物车数量以及金额
+     * @param id id
+     * @param status 状态
+     * @param changeNum 修改数量 正数增加 负数减少
+     * @return 影响行数
+     */
+    @Update("update tb_order_detail set status=#{status}, price_amount=(num+#{changeNum})*price,num=num+#{changeNum} " +
+            "where id=#{id}")
+    int updateNumAmountStatus(Integer id, String status, int changeNum);
 }

eladmin-system/src/main/java/cn/ysk/cashier/mybatis/mapper/TbOrderInfoMapper.java

@@ -39,6 +39,4 @@ public interface TbOrderInfoMapper extends BaseMapper<TbOrderInfo> {
             "order_amount=origin_amount-#{priceAmount}, amount=amount-#{priceAmount}," +
             "order_amount=order_amount-#{priceAmount} where id=#{orderId} and origin_amount-#{priceAmount} >= 0")
     int updateOrderAmount(Integer orderId, BigDecimal priceAmount, BigDecimal packAmount);
-
-    void cancelOrder();
 }