code review：拼团记录流程

yudao-module-mall/yudao-module-promotion-api/src/main/java/cn/iocoder/yudao/module/promotion/api/combination/CombinationRecordApi.java

@@ -6,8 +6,6 @@ import cn.iocoder.yudao.module.promotion.api.combination.dto.CombinationValidate
 
 import javax.validation.Valid;
 
-// TODO @芋艿：后面也再撸撸这几个接口
-
 /**
  * 拼团记录 API 接口
  *
@@ -30,7 +28,7 @@ public interface CombinationRecordApi {
      * 创建开团记录
      *
      * @param reqDTO 请求 DTO
-     * @return key 开团记录编号 value 团长编号
+     * @return key 开团记录编号、value 团长编号
      */
     KeyValue<Long, Long> createCombinationRecord(@Valid CombinationRecordCreateReqDTO reqDTO);
 

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/api/combination/CombinationRecordApiImpl.java

@@ -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);

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/combination/CombinationRecordController.java

@@ -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));
     }
 

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/bargain/AppBargainRecordController.java

@@ -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")

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/bargain/BargainActivityMapper.java

@@ -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)

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/combination/CombinationRecordMapper.java

@@ -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)

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

@@ -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());
     }

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

@@ -94,7 +94,6 @@ public class BargainActivityServiceImpl implements BargainActivityService {
         } else if (count > 0) {
             bargainActivityMapper.updateStock(id, count);
         }
-
     }
 
     private void validateBargainConflict(Long spuId, Long activityId) {
@@ -185,6 +184,7 @@ 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
+        // 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();

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

@@ -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
      *

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

@@ -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);
     }
@@ -191,12 +187,10 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
         }
         combinationRecordMapper.insert(record);
 
-        if (ObjUtil.equal(CombinationRecordDO.HEAD_ID_GROUP, record.getHeadId())) {
+        // 3. 更新拼团记录
-            return new KeyValue<>(record.getId(), record.getHeadId());
+        if (ObjUtil.notEqual(CombinationRecordDO.HEAD_ID_GROUP, record.getHeadId())) {
-        }
-
-        // 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());
@@ -357,17 +352,20 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
         }
 
         // 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);
 
+        // 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());
+            CombinationActivityDO activity = activityMap.get(record.getActivityId());
-            if (activityDO == null || !activityDO.getVirtualGroup()) { // 取不到活动的或者不是虚拟拼团的
+            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

yudao-module-mall/yudao-module-trade-api/src/main/java/cn/iocoder/yudao/module/trade/api/order/TradeOrderApi.java

@@ -39,16 +39,7 @@ public interface TradeOrderApi {
      */
     TradeOrderSummaryRespDTO getOrderSummary(LocalDateTime beginTime, LocalDateTime endTime);
 
-    /**
+    // TODO 芋艿：需要优化下；
-     * 更新拼团相关信息到订单
-     *
-     * @param orderId             订单编号
-     * @param activityId          拼团活动编号
-     * @param combinationRecordId 拼团记录编号
-     * @param headId              团长编号
-     */
-    void updateOrderCombinationInfo(Long orderId, Long activityId, Long combinationRecordId, Long headId);
-
     /**
      * 取消支付订单
      *

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/api/order/TradeOrderApiImpl.java

@@ -5,7 +5,6 @@ import cn.iocoder.yudao.module.trade.api.order.dto.TradeOrderSummaryRespDTO;
 import cn.iocoder.yudao.module.trade.convert.order.TradeOrderConvert;
 import cn.iocoder.yudao.module.trade.service.order.TradeOrderQueryService;
 import cn.iocoder.yudao.module.trade.service.order.TradeOrderUpdateService;
-import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
@@ -26,7 +25,6 @@ public class TradeOrderApiImpl implements TradeOrderApi {
     @Resource
     private TradeOrderUpdateService tradeOrderUpdateService;
     @Resource
-    @Lazy
     private TradeOrderQueryService tradeOrderQueryService;
 
     @Override
@@ -44,11 +42,6 @@ public class TradeOrderApiImpl implements TradeOrderApi {
         return tradeOrderQueryService.getOrderSummary(beginTime, endTime);
     }
 
-    @Override
-    public void updateOrderCombinationInfo(Long orderId, Long activityId, Long combinationRecordId, Long headId) {
-        tradeOrderUpdateService.updateOrderCombinationInfo(orderId, activityId, combinationRecordId, headId);
-    }
-
     @Override
     public void cancelPaidOrder(Long userId, Long orderId) {
         tradeOrderUpdateService.cancelPaidOrder(userId, orderId);

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/order/TradeOrderMapper.java

@@ -110,6 +110,7 @@ public interface TradeOrderMapper extends BaseMapperX<TradeOrderDO> {
         return selectOne(TradeOrderDO::getPickUpVerifyCode, pickUpVerifyCode);
     }
 
+    // TODO @hui999：是不是只针对 combinationActivityId 的查询呀？
     default TradeOrderDO selectByUserIdAndActivityIdAndStatus(Long userId, Long activityId, Integer status) {
         return selectOne(new LambdaQueryWrapperX<TradeOrderDO>()
                 .and(q -> q.eq(TradeOrderDO::getUserId, userId)

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/order/TradeOrderUpdateServiceImpl.java

@@ -657,7 +657,7 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
     public void updateOrderAddress(TradeOrderUpdateAddressReqVO reqVO) {
         // 校验交易订单
         TradeOrderDO order = validateOrderExists(reqVO.getId());
-        // 只有待发货状态才可以修改订单收货地址；
+        // 只有待发货状态，才可以修改订单收货地址；
         if (!TradeOrderStatusEnum.isUndelivered(order.getStatus())) {
             throw exception(ORDER_UPDATE_ADDRESS_FAIL_STATUS_NOT_DELIVERED);
         }
@@ -823,11 +823,11 @@ public class TradeOrderUpdateServiceImpl implements TradeOrderUpdateService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void cancelPaidOrder(Long userId, Long orderId) {
+        // TODO 芋艿：这里实现要优化下；
         TradeOrderDO order = tradeOrderMapper.selectOrderByIdAndUserId(orderId, userId);
         if (order == null) {
             throw exception(ORDER_NOT_FOUND);
         }
-
         cancelOrder0(order, TradeOrderCancelTypeEnum.MEMBER_CANCEL);
     }
 

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/order/handler/TradeCombinationOrderHandler.java

@@ -10,7 +10,6 @@ import cn.iocoder.yudao.module.trade.enums.order.TradeOrderStatusEnum;
 import cn.iocoder.yudao.module.trade.enums.order.TradeOrderTypeEnum;
 import cn.iocoder.yudao.module.trade.service.order.TradeOrderQueryService;
 import cn.iocoder.yudao.module.trade.service.order.TradeOrderUpdateService;
-import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
 
 import javax.annotation.Resource;
@@ -29,14 +28,11 @@ import static cn.iocoder.yudao.module.trade.enums.ErrorCodeConstants.ORDER_DELIV
 public class TradeCombinationOrderHandler implements TradeOrderHandler {
 
     @Resource
-    @Lazy
     private TradeOrderUpdateService orderUpdateService;
     @Resource
-    @Lazy
     private TradeOrderQueryService orderQueryService;
 
     @Resource
-    @Lazy
     private CombinationRecordApi combinationRecordApi;
 
     @Override
@@ -51,7 +47,9 @@ public class TradeCombinationOrderHandler implements TradeOrderHandler {
         TradeOrderItemDO item = orderItems.get(0);
         combinationRecordApi.validateCombinationRecord(order.getUserId(), order.getCombinationActivityId(),
                 order.getCombinationHeadId(), item.getSkuId(), item.getCount());
-        // 2. 校验该用户是否存在未支付的拼团活动订单；就是还没支付的时候，重复下单了；需要校验下；不然的话，一个拼团可以下多个单子了；
+
+        // 2. 校验该用户是否存在未支付的拼团活动订单，避免一个拼团可以下多个单子了
+        // TODO @puhui999：只校验未支付的拼团订单噢
         TradeOrderDO activityOrder = orderQueryService.getActivityOrderByUserIdAndActivityIdAndStatus(
                 order.getUserId(), order.getCombinationActivityId(), TradeOrderStatusEnum.UNPAID.getStatus());
         if (activityOrder != null) {