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营销活动：重构 getCombinationActivityBySpuIdsAndStatus 方法

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This commit is contained in:
puhui999 2023-10-09 18:17:20 +08:00
parent e845872adc
commit 831983e314
6 changed files with 81 additions and 71 deletions
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38
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainActivityMapper.java
View File

@ -6,14 +6,15 @@ import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
import cn.iocoder.yudao.module.promotion.controller.admin.bargain.vo.activity.BargainActivityPageReqVO;
import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* 砍价活动 Mapper
@ -86,30 +87,25 @@ public interface BargainActivityMapper extends BaseMapperX<BargainActivityDO> {
.last("LIMIT " + count));
}
// TODO @puhui999：一个商品，在统一时间，不会参与多个活动；so 是不是不用 inner join 哈？
// PS：如果可以参与多个，其实可以这样写 select * from promotion_bargain_activity group by spu_id ORDER BY create_time DESC；通过 group 来过滤
/**
* 获取指定 spu 编号最近参加的活动，每个 spuId 只返回一条记录
* 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
*
* @param spuIds spu 编号
* @param status 状态
* @return 砍价活动列表
* @return 包含 spuId 和 activityId 的 map 对象列表
*/
@Select("<script> " + "SELECT p1.* " +
"FROM promotion_bargain_activity p1 " +
"INNER JOIN ( " +
" SELECT spu_id, MAX(DISTINCT create_time) AS max_create_time " +
" FROM promotion_bargain_activity " +
" WHERE spu_id IN " +
"<foreach collection='spuIds' item='spuId' open='(' separator=',' close=')'>" +
" #{spuId}" +
"</foreach>" +
" GROUP BY spu_id " +
") p2 " +
"ON p1.spu_id = p2.spu_id AND p1.create_time = p2.max_create_time AND p1.status = #{status} " +
"ORDER BY p1.create_time DESC;" +
" </script>")
List<BargainActivityDO> selectListBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status);
default List<Map<String, Object>> selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status) {
return selectMaps(new QueryWrapper<BargainActivityDO>()
.select("spu_id AS spuId, MAX(DISTINCT(id)) AS activityId") // 时间越大 id 也越大 直接用 id
.in("spu_id", spuIds)
.eq("status", status)
.groupBy("spu_id"));
}
default List<BargainActivityDO> selectListByIds(Collection<Long> ids) {
return selectList(new LambdaQueryWrapperX<BargainActivityDO>()
.in(BargainActivityDO::getId, ids)
.orderByDesc(BargainActivityDO::getCreateTime));
}
}

37
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/combination/CombinationActivityMapper.java
View File

@ -6,12 +6,13 @@ import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
import cn.iocoder.yudao.module.promotion.controller.admin.combination.vo.activity.CombinationActivityPageReqVO;
import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationActivityDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* 拼团活动 Mapper
@ -43,30 +44,24 @@ public interface CombinationActivityMapper extends BaseMapperX<CombinationActivi
.last("LIMIT " + count));
}
// TODO @puhui999：类似 BargainActivityMapper
/**
* 获取指定 spu 编号最近参加的活动，每个 spuId 只返回一条记录
*
* 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
* @param spuIds spu 编号
* @param status 状态
* @return 拼团活动列表
* @return 包含 spuId 和 activityId 的 map 对象列表
*/
@Select("<script> " + "SELECT p1.* " +
"FROM promotion_combination_activity p1 " +
"INNER JOIN ( " +
" SELECT spu_id, MAX(DISTINCT create_time) AS max_create_time " +
" FROM promotion_combination_activity " +
" WHERE spu_id IN " +
"<foreach collection='spuIds' item='spuId' open='(' separator=',' close=')'>" +
" #{spuId}" +
"</foreach>" +
" GROUP BY spu_id " +
") p2 " +
"ON p1.spu_id = p2.spu_id AND p1.create_time = p2.max_create_time AND p1.status = #{status} " +
"ORDER BY p1.create_time DESC;" +
" </script>")
List<CombinationActivityDO> selectListBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status);
default List<Map<String, Object>> selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status) {
return selectMaps(new QueryWrapper<CombinationActivityDO>()
.select("spu_id AS spuId, MAX(DISTINCT(id)) AS activityId") // 时间越大 id 也越大 直接用 id
.in("spu_id", spuIds)
.eq("status", status)
.groupBy("spu_id"));
}
default List<CombinationActivityDO> selectListByIds(Collection<Long> ids) {
return selectList(new LambdaQueryWrapperX<CombinationActivityDO>()
.in(CombinationActivityDO::getId, ids)
.orderByDesc(CombinationActivityDO::getCreateTime));
}
}

38
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/seckill/seckillactivity/SeckillActivityMapper.java
View File

@ -7,13 +7,14 @@ import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
import cn.iocoder.yudao.module.promotion.controller.admin.seckill.vo.activity.SeckillActivityPageReqVO;
import cn.iocoder.yudao.module.promotion.controller.app.seckill.vo.activity.AppSeckillActivityPageReqVO;
import cn.iocoder.yudao.module.promotion.dal.dataobject.seckill.SeckillActivityDO;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import java.util.Collection;
import java.util.List;
import java.util.Map;
/**
* 秒杀活动 Mapper
@ -59,29 +60,24 @@ public interface SeckillActivityMapper extends BaseMapperX<SeckillActivityDO> {
.apply(ObjectUtil.isNotNull(pageReqVO.getConfigId()), "FIND_IN_SET(" + pageReqVO.getConfigId() + ",config_ids) > 0"));
}
// TODO @puhui999：类似 BargainActivityMapper
/**
* 获取指定 spu 编号最近参加的活动，每个 spuId 只返回一条记录
*
* 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
* @param spuIds spu 编号
* @param status 状态
* @return 秒杀活动列表
* @return 包含 spuId 和 activityId 的 map 对象列表
*/
@Select("<script> " + "SELECT p1.* " +
"FROM promotion_seckill_activity p1 " +
"INNER JOIN ( " +
" SELECT spu_id, MAX(DISTINCT create_time) AS max_create_time " +
" FROM promotion_seckill_activity " +
" WHERE spu_id IN " +
"<foreach collection='spuIds' item='spuId' open='(' separator=',' close=')'>" +
" #{spuId}" +
"</foreach>" +
" GROUP BY spu_id " +
") p2 " +
"ON p1.spu_id = p2.spu_id AND p1.create_time = p2.max_create_time AND p1.status = #{status} " +
"ORDER BY p1.create_time DESC;" +
" </script>")
List<SeckillActivityDO> selectListBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status);
default List<Map<String, Object>> selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status) {
return selectMaps(new QueryWrapper<SeckillActivityDO>()
.select("spu_id AS spuId, MAX(DISTINCT(id)) AS activityId") // 时间越大 id 也越大 直接用 id
.in("spu_id", spuIds)
.eq("status", status)
.groupBy("spu_id"));
}
default List<SeckillActivityDO> selectListByIds(Collection<Long> ids) {
return selectList(new LambdaQueryWrapperX<SeckillActivityDO>()
.in(SeckillActivityDO::getId, ids)
.orderByDesc(SeckillActivityDO::getCreateTime));
}
}

15
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainActivityServiceImpl.java
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@ -1,5 +1,7 @@
package cn.iocoder.yudao.module.promotion.service.bargain;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
@ -20,12 +22,11 @@ import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.*;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.anyMatch;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS;
import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
@ -178,7 +179,13 @@ public class BargainActivityServiceImpl implements BargainActivityService {
@Override
public List<BargainActivityDO> getBargainActivityBySpuIdsAndStatus(Collection<Long> spuIds, Integer status) {
return bargainActivityMapper.selectListBySpuIdsAndStatus(spuIds, status);
// 1.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
List<Map<String, Object>> spuIdAndActivityIdMaps = bargainActivityMapper.selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(spuIds, status);
if (CollUtil.isEmpty(spuIdAndActivityIdMaps)) {
return Collections.emptyList();
}
// 2.查询活动详情
return bargainActivityMapper.selectListByIds(convertSet(spuIdAndActivityIdMaps, map -> MapUtil.getLong(map, "activityId")));
}
}

13
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationActivityServiceImpl.java
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@ -1,6 +1,7 @@
package cn.iocoder.yudao.module.promotion.service.combination;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageParam;
@ -25,12 +26,12 @@ import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS;
import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SPU_NOT_EXISTS;
import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
@ -228,7 +229,13 @@ public class CombinationActivityServiceImpl implements CombinationActivityServic
@Override
public List<CombinationActivityDO> getCombinationActivityBySpuIdsAndStatus(Collection<Long> spuIds, Integer status) {
return combinationActivityMapper.selectListBySpuIdsAndStatus(spuIds, status);
// 1.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
List<Map<String, Object>> spuIdAndActivityIdMaps = combinationActivityMapper.selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(spuIds, status);
if (CollUtil.isEmpty(spuIdAndActivityIdMaps)) {
return Collections.emptyList();
}
// 2.查询活动详情
return combinationActivityMapper.selectListByIds(convertSet(spuIdAndActivityIdMaps, map -> MapUtil.getLong(map, "activityId")));
}
}

11
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/seckill/SeckillActivityServiceImpl.java
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@ -1,6 +1,8 @@
package cn.iocoder.yudao.module.promotion.service.seckill;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
@ -27,6 +29,7 @@ import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@ -312,7 +315,13 @@ public class SeckillActivityServiceImpl implements SeckillActivityService {
@Override
public List<SeckillActivityDO> getSeckillActivityBySpuIdsAndStatus(Collection<Long> spuIds, Integer status) {
return seckillActivityMapper.selectListBySpuIdsAndStatus(spuIds, status);
// 1.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
List<Map<String, Object>> spuIdAndActivityIdMaps = seckillActivityMapper.selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(spuIds, status);
if (CollUtil.isEmpty(spuIdAndActivityIdMaps)) {
return Collections.emptyList();
}
// 2.查询活动详情
return seckillActivityMapper.selectListByIds(convertSet(spuIdAndActivityIdMaps, map -> MapUtil.getLong(map, "activityId")));
}
}