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code review：拼团记录流程

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This commit is contained in:
YunaiV
2023-10-11 11:04:22 +08:00
parent 708af92a0f
commit 670a098aa8
15 changed files with 37 additions and 62 deletions
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1
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/combination/CombinationRecordApiImpl.java
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@@ -29,6 +29,7 @@ public class CombinationRecordApiImpl implements CombinationRecordApi {
recordService.validateCombinationRecord(userId, activityId, headId, skuId, count);
}
// TODO @puhui999：搞个创建的 RespDTO 哈；
@Override
public KeyValue<Long, Long> createCombinationRecord(CombinationRecordCreateReqDTO reqDTO) {
return recordService.createCombinationRecord(reqDTO);

4
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/combination/CombinationRecordController.java
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@@ -40,6 +40,9 @@ public class CombinationRecordController {
@Lazy
private CombinationRecordService combinationRecordService;
// TODO @puhui999：getBargainRecordPage 和 getBargainRecordPage 是不是可以合并；然后 CombinationRecordReqPageVO 加一个 headId；
// 然后如果 headId 非空，并且第一页，单独多查询一条 head ；放到第 0 个位置；相当于说，第一页特殊一点；
@GetMapping("/page")
@Operation(summary = "获得拼团记录分页")
@PreAuthorize("@ss.hasPermission('promotion:combination-record:query')")
@@ -47,6 +50,7 @@ public class CombinationRecordController {
PageResult<CombinationRecordDO> recordPage = combinationRecordService.getCombinationRecordPage(pageVO);
List<CombinationActivityDO> activities = combinationActivityService.getCombinationActivityListByIds(
convertSet(recordPage.getList(), CombinationRecordDO::getActivityId));
// TODO @puhui999：商品没读取
return success(CombinationActivityConvert.INSTANCE.convert(recordPage, activities));
}

6
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainRecordController.java
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@@ -27,7 +27,6 @@ import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.Parameters;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.context.annotation.Lazy;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
@@ -49,20 +48,15 @@ public class AppBargainRecordController {
@Resource
private BargainHelpService bargainHelpService;
@Resource
@Lazy
private BargainRecordService bargainRecordService;
@Resource
@Lazy
private BargainActivityService bargainActivityService;
@Resource
private TradeOrderApi tradeOrderApi;
@Resource
@Lazy
private MemberUserApi memberUserApi;
@Resource
@Lazy
private ProductSpuApi productSpuApi;
@GetMapping("/get-summary")

4
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainActivityMapper.java
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@@ -9,7 +9,6 @@ import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainActivityD
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 java.time.LocalDateTime;
import java.util.Collection;
@@ -87,6 +86,7 @@ public interface BargainActivityMapper extends BaseMapperX<BargainActivityDO> {
.last("LIMIT " + count));
}
// TODO @puhui999：是不是返回 BargainActivityDO 更干净哈？
/**
* 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
*
@@ -94,7 +94,7 @@ public interface BargainActivityMapper extends BaseMapperX<BargainActivityDO> {
* @param status 状态
* @return 包含 spuId 和 activityId 的 map 对象列表
*/
default List<Map<String, Object>> selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(@Param("spuIds") Collection<Long> spuIds, @Param("status") Integer status) {
default List<Map<String, Object>> selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(Collection<Long> spuIds, 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)

1
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/combination/CombinationRecordMapper.java
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@@ -120,6 +120,7 @@ public interface CombinationRecordMapper extends BaseMapperX<CombinationRecordDO
*/
default Long selectCountByHeadAndStatusAndVirtualGroup(Integer status, Boolean virtualGroup, Long headId) {
return selectCount(new QueryWrapper<CombinationRecordDO>()
// TODO @puhui999：这种偏逻辑性的，不要给 mapper 哈；可以考虑拆成 2 个 mapper，上层也是 2 个 service；
.select(status == null && virtualGroup == null && headId == null, "DISTINCT (user_id)")
.eq(status != null, "status", status)
.eq(virtualGroup != null, "virtual_group", virtualGroup)

2
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/job/combination/CombinationRecordExpireJob.java
View File

@@ -22,7 +22,7 @@ public class CombinationRecordExpireJob implements JobHandler {
@Override
@TenantJob
public String execute(String param) throws Exception {
public String execute(String param) {
KeyValue<Integer, Integer> keyValue = combinationRecordService.expireCombinationRecord();
return StrUtil.format("过期拼团 {} 个, 虚拟成团 {} 个", keyValue.getKey(), keyValue.getValue());
}

6
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/bargain/BargainActivityServiceImpl.java
View File

@@ -94,7 +94,6 @@ public class BargainActivityServiceImpl implements BargainActivityService {
} else if (count > 0) {
bargainActivityMapper.updateStock(id, count);
}
}
private void validateBargainConflict(Long spuId, Long activityId) {
@@ -184,12 +183,13 @@ public class BargainActivityServiceImpl implements BargainActivityService {
@Override
public List<BargainActivityDO> getBargainActivityBySpuIdsAndStatus(Collection<Long> spuIds, Integer 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
// 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
// TODO @puhui999：我想了下，这种是不是只展示当前正在进行中的。已经结束、或者未开始的，可能没啥意义？
List<Map<String, Object>> spuIdAndActivityIdMaps = bargainActivityMapper.selectSpuIdAndActivityIdMapsBySpuIdsAndStatus(spuIds, status);
if (CollUtil.isEmpty(spuIdAndActivityIdMaps)) {
return Collections.emptyList();
}
// 2.查询活动详情
// 2. 查询活动详情
return bargainActivityMapper.selectListByIds(convertSet(spuIdAndActivityIdMaps, map -> MapUtil.getLong(map, "activityId")));
}

2
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationRecordService.java
View File

@@ -146,7 +146,6 @@ public interface CombinationRecordService {
*/
PageResult<CombinationRecordDO> getCombinationRecordPage2(CombinationRecordReqPage2VO pageVO);
/**
* 【拼团活动】获得拼团记录数量 Map
*
@@ -159,7 +158,6 @@ public interface CombinationRecordService {
@Nullable Integer status,
@Nullable Long headId);
/**
* 获取拼团记录
*

38
yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/combination/CombinationRecordServiceImpl.java
View File

@@ -23,7 +23,6 @@ import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationR
import cn.iocoder.yudao.module.promotion.dal.mysql.combination.CombinationRecordMapper;
import cn.iocoder.yudao.module.promotion.enums.combination.CombinationRecordStatusEnum;
import cn.iocoder.yudao.module.trade.api.order.TradeOrderApi;
import org.springframework.context.annotation.Lazy;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@@ -52,7 +51,6 @@ import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
public class CombinationRecordServiceImpl implements CombinationRecordService {
@Resource
@Lazy
private CombinationActivityService combinationActivityService;
@Resource
private CombinationRecordMapper combinationRecordMapper;
@@ -60,16 +58,13 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
@Resource
private MemberUserApi memberUserApi;
@Resource
@Lazy
private ProductSpuApi productSpuApi;
@Resource
@Lazy
private ProductSkuApi productSkuApi;
@Resource
private TradeOrderApi tradeOrderApi;
// TODO @芋艿：在详细预览下；
@Override
@Transactional(rollbackFor = Exception.class)
public void updateCombinationRecordStatusByUserIdAndOrderId(Integer status, Long userId, Long orderId) {
@@ -77,6 +72,7 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
CombinationRecordDO record = validateCombinationRecord(userId, orderId);
// 更新状态
// TODO @puhui999：不要整个更新，new 一个出来；why？例如说，两个线程都去更新，这样存在相互覆盖的问题
record.setStatus(status);
combinationRecordMapper.updateById(record);
}
@@ -169,16 +165,16 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
@Override
@Transactional(rollbackFor = Exception.class)
public KeyValue<Long, Long> createCombinationRecord(CombinationRecordCreateReqDTO reqDTO) {
// 1.校验拼团活动
// 1. 校验拼团活动
KeyValue<CombinationActivityDO, CombinationProductDO> keyValue = validateCombinationRecord(reqDTO.getUserId(),
reqDTO.getActivityId(), reqDTO.getHeadId(), reqDTO.getSkuId(), reqDTO.getCount());
// 2.组合数据创建拼团记录
// 2. 组合数据创建拼团记录
MemberUserRespDTO user = memberUserApi.getUser(reqDTO.getUserId());
ProductSpuRespDTO spu = productSpuApi.getSpu(reqDTO.getSpuId());
ProductSkuRespDTO sku = productSkuApi.getSku(reqDTO.getSkuId());
CombinationRecordDO record = CombinationActivityConvert.INSTANCE.convert(reqDTO, keyValue.getKey(), user, spu, sku);
// 2.1.如果是团长需要设置 headId 为 CombinationRecordDO#HEAD_ID_GROUP
// 2.1. 如果是团长需要设置 headId 为 CombinationRecordDO#HEAD_ID_GROUP
if (record.getHeadId() == null) {
record.setStartTime(LocalDateTime.now())
.setExpireTime(keyValue.getKey().getStartTime().plusHours(keyValue.getKey().getLimitDuration()))
@@ -191,12 +187,10 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
}
combinationRecordMapper.insert(record);
if (ObjUtil.equal(CombinationRecordDO.HEAD_ID_GROUP, record.getHeadId())) {
return new KeyValue<>(record.getId(), record.getHeadId());
// 3. 更新拼团记录
if (ObjUtil.notEqual(CombinationRecordDO.HEAD_ID_GROUP, record.getHeadId())) {
updateCombinationRecordWhenCreate(reqDTO.getHeadId(), keyValue.getKey());
}
// 3、更新拼团记录
updateCombinationRecordWhenCreate(reqDTO.getHeadId(), keyValue.getKey());
return new KeyValue<>(record.getId(), record.getHeadId());
}
@@ -349,6 +343,7 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
@Override
public KeyValue<Integer, Integer> expireCombinationRecord() {
// TODO @puhui999：数字一般是 1. 2. 这种格式哈
// 1。获取所有正在进行中的过期的父拼团
List<CombinationRecordDO> headExpireRecords = combinationRecordMapper.selectListByHeadIdAndStatusAndExpireTimeLt(
CombinationRecordDO.HEAD_ID_GROUP, CombinationRecordStatusEnum.IN_PROGRESS.getStatus(), LocalDateTime.now());
@@ -356,18 +351,21 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
return new KeyValue<>(0, 0);
}
// 2.获取拼团活动
// 2. 获取拼团活动
// TODO @puhui999：在自己模块里，变量可以简略点；例如说 activityList
List<CombinationActivityDO> combinationActivities = combinationActivityService.getCombinationActivityListByIds(
convertSet(headExpireRecords, CombinationRecordDO::getActivityId));
Map<Long, CombinationActivityDO> activityMap = convertMap(combinationActivities, CombinationActivityDO::getId);
// 3.校验是否虚拟成团
// TODO @puhui999：job 一般不建议异步跑；因为可能下次跑，结果上次还没跑完；
// TODO 这里，我们可以每个 record 处理下；然后按照是否需要虚拟拼团，各搞一个方法逻辑 + 事务；这样，保证 job 里面尽量不要大事务，而是 n 个独立小事务的处理。
// 3. 校验是否虚拟成团
List<CombinationRecordDO> virtualGroupHeadRecords = new ArrayList<>(); // 虚拟成团
for (Iterator<CombinationRecordDO> iterator = headExpireRecords.iterator(); iterator.hasNext(); ) {
CombinationRecordDO record = iterator.next();
// 3.1 不匹配，则直接跳过
CombinationActivityDO activityDO = activityMap.get(record.getActivityId());
if (activityDO == null || !activityDO.getVirtualGroup()) { // 取不到活动的或者不是虚拟拼团的
CombinationActivityDO activity = activityMap.get(record.getActivityId());
if (activity == null || !activity.getVirtualGroup()) { // 取不到活动的或者不是虚拟拼团的
continue;
}
// 3.2 匹配，则移除，添加到虚拟成团中，并结束寻找
@@ -380,7 +378,6 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
getSelf().handleExpireRecord(headExpireRecords);
// 5.虚拟成团
getSelf().handleVirtualGroupRecord(virtualGroupHeadRecords);
return new KeyValue<>(headExpireRecords.size(), virtualGroupHeadRecords.size());
}
@@ -401,7 +398,6 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
headsAndRecords.forEach(item -> {
tradeOrderApi.cancelPaidOrder(item.getUserId(), item.getOrderId());
});
}
@Async
@@ -410,9 +406,9 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
return;
}
// 1.团员补齐
// 1. 团员补齐
combinationRecordMapper.insertBatch(CombinationActivityConvert.INSTANCE.convertVirtualGroupList(virtualGroupHeadRecords));
// 2.更新拼团记录
// 2. 更新拼团记录
updateBatchCombinationRecords(virtualGroupHeadRecords, CombinationRecordStatusEnum.SUCCESS);
}