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【功能】完成下单确认页价格计算功能（只做了满减，还没做满送）

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痴货
2024-09-14 19:10:21 +08:00
parent e44c0e668e
commit 86b02b698a
9 changed files with 149 additions and 69 deletions
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3
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/discount/DiscountProductMapper.java
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@@ -1,6 +1,7 @@
package cn.iocoder.yudao.module.promotion.dal.mysql.discount;
import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
import cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountProductDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.apache.ibatis.annotations.Mapper;
@@ -31,7 +32,7 @@ public interface DiscountProductMapper extends BaseMapperX<DiscountProductDO> {
}
// TODO @zhangshuai：逻辑里，尽量避免写 join 语句哈，你可以看看这个查询，有什么办法优化？目前的一个思路，是分 2 次查询，性能也是 ok 的
List<DiscountProductDO> getMatchDiscountProductList(@Param("skuIds") Collection<Long> skuIds);
List<DiscountProductRespDTO> getMatchDiscountProductList(@Param("skuIds") Collection<Long> skuIds);
/**
* 查询出指定 spuId 的 spu 参加的活动最接近现在的一条记录。多个的话，一个 spuId 对应一个最近的活动编号

3
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/discount/DiscountActivityService.java
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@@ -1,6 +1,7 @@
package cn.iocoder.yudao.module.promotion.service.discount;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityCreateReqVO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityPageReqVO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityUpdateReqVO;
@@ -27,7 +28,7 @@ public interface DiscountActivityService {
* @param skuIds SKU 编号数组
* @return 匹配的限时折扣商品
*/
List<DiscountProductDO> getMatchDiscountProductList(Collection<Long> skuIds);
List<DiscountProductRespDTO> getMatchDiscountProductList(Collection<Long> skuIds);
/**
* 创建限时折扣活动

5
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/discount/DiscountActivityServiceImpl.java
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@@ -6,6 +6,7 @@ import cn.hutool.core.map.MapUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityBaseVO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityCreateReqVO;
import cn.iocoder.yudao.module.promotion.controller.admin.discount.vo.DiscountActivityPageReqVO;
@@ -49,7 +50,7 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
private DiscountProductMapper discountProductMapper;
@Override
public List<DiscountProductDO> getMatchDiscountProductList(Collection<Long> skuIds) {
public List<DiscountProductRespDTO> getMatchDiscountProductList(Collection<Long> skuIds) {
return discountProductMapper.getMatchDiscountProductList(skuIds);
}
@@ -130,7 +131,7 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
List<DiscountProductDO> list = discountProductMapper.selectListByActivityId(id);
// TODO @zhangshuai：一般简单的 stream 方法，建议是使用 CollectionUtils，例如说这里是 convertList 对把。
List<Long> skuIds = list.stream().map(item -> item.getSkuId()).collect(Collectors.toList());
List<DiscountProductDO> matchDiscountProductList = getMatchDiscountProductList(skuIds);
List<DiscountProductRespDTO> matchDiscountProductList = getMatchDiscountProductList(skuIds);
if (id != null) { // 排除自己这个活动
matchDiscountProductList.removeIf(product -> id.equals(product.getActivityId()));
}

8
yudao-module-mall/yudao-module-promotion-biz/src/main/resources/mapper/discount/DiscountProductMapper.xml
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@@ -3,8 +3,8 @@
<mapper namespace="cn.iocoder.yudao.module.promotion.dal.mysql.discount.DiscountProductMapper">
<select id="getMatchDiscountProductList" resultType="cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountProductDO">
SELECT pdp.*
<select id="getMatchDiscountProductList" resultType="cn.iocoder.yudao.module.promotion.api.discount.dto.DiscountProductRespDTO">
SELECT pdp.*,pda.name as activity_name
FROM promotion_discount_product pdp
LEFT JOIN promotion_discount_activity pda
ON pdp.activity_id = pda.id
@@ -17,8 +17,10 @@
</if>
AND pda.start_time &lt;= CURRENT_TIME AND pda.end_time &gt;= CURRENT_TIME
AND pda.`status` = 0
AND pda.deleted != 1
AND pda.deleted =0
AND pdp.deleted = 0
</where>
ORDER BY pdp.id DESC
</select>
</mapper>