promotion：优化拼团记录的详情代码

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/combination/AppCombinationRecordController.java

@@ -1,8 +1,6 @@
 package cn.iocoder.yudao.module.promotion.controller.app.combination;
 
-import cn.hutool.core.util.ObjectUtil;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
-import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.record.AppCombinationRecordDetailRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.record.AppCombinationRecordRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.record.AppCombinationRecordSummaryRespVO;
@@ -23,6 +21,7 @@ import javax.annotation.Resource;
 import javax.validation.constraints.Max;
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
@@ -61,7 +60,7 @@ public class AppCombinationRecordController {
     @Operation(summary = "获得最近 n 条拼团记录（团长发起的）")
     @Parameters({
             @Parameter(name = "activityId", description = "拼团活动编号"),
-            @Parameter(name = "status", description = "状态"),
+            @Parameter(name = "status", description = "拼团状态"), // 对应 CombinationRecordStatusEnum 枚举
             @Parameter(name = "count", description = "数量")
     })
     public CommonResult<List<AppCombinationRecordRespVO>> getHeadCombinationRecordList(
@@ -69,44 +68,37 @@ public class AppCombinationRecordController {
             @RequestParam("status") Integer status,
             @RequestParam(value = "count", defaultValue = "20") @Max(20) Integer count) {
         return success(CombinationActivityConvert.INSTANCE.convertList3(
-                combinationRecordService.getCombinationRecordListWithHead(activityId, status, count)));
+                combinationRecordService.getHeadCombinationRecordList(activityId, status, count)));
     }
 
     @GetMapping("/get-detail")
     @Operation(summary = "获得拼团记录明细")
     @Parameter(name = "id", description = "拼团记录编号", required = true, example = "1024")
     public CommonResult<AppCombinationRecordDetailRespVO> getCombinationRecordDetail(@RequestParam("id") Long id) {
-        // 1、查询这条记录
+        // 1. 查找这条拼团记录
         CombinationRecordDO record = combinationRecordService.getCombinationRecordById(id);
         if (record == null) {
             return success(null);
         }
 
-        AppCombinationRecordDetailRespVO detail = new AppCombinationRecordDetailRespVO();
-        List<CombinationRecordDO> records;
-        // 2、判断是否为团长
-        if (record.getHeadId() == null) {
-            detail.setHeadRecord(CombinationActivityConvert.INSTANCE.convert(record));
-            // 2.1、查找团员拼团记录
-            records = combinationRecordService.getCombinationRecordListByHeadId(record.getId());
-        } else {
-            // 2.2、查找团长拼团记录
-            CombinationRecordDO headRecord = combinationRecordService.getCombinationRecordById(record.getHeadId());
-            if (headRecord == null) {
-                return success(null);
-            }
-
-            detail.setHeadRecord(CombinationActivityConvert.INSTANCE.convert(headRecord));
-            // 2.3、查找团员拼团记录
-            records = combinationRecordService.getCombinationRecordListByHeadId(headRecord.getId());
-
+        // 2. 查找该拼团的参团记录
+        CombinationRecordDO headRecord;
+        List<CombinationRecordDO> memberRecords;
+        if (Objects.equals(record.getHeadId(), CombinationRecordDO.HEAD_ID_GROUP)) { // 情况一：团长
+            headRecord = record;
+            memberRecords = combinationRecordService.getCombinationRecordListByHeadId(record.getId());
+        } else { // 情况二：团员
+            headRecord = combinationRecordService.getCombinationRecordById(record.getHeadId());
+            memberRecords = combinationRecordService.getCombinationRecordListByHeadId(headRecord.getId());
         }
-        detail.setMemberRecords(CombinationActivityConvert.INSTANCE.convertList3(records));
 
-        // 3、获取当前用户参团记录订单编号
-        CombinationRecordDO userRecord = CollectionUtils.findFirst(records, r -> ObjectUtil.equal(r.getUserId(), getLoginUserId()));
-        detail.setOrderId(userRecord == null ? null : userRecord.getOrderId()); // 如果没参团，返回 null
-        return success(detail);
+        // 3. 拼接数据
+        return success(CombinationActivityConvert.INSTANCE.convert(getLoginUserId(), headRecord, memberRecords));
     }
 
+    // TODO @puhui：新增一个取消拼团的接口，cancel
+    // 1. 需要先校验拼团记录未完成；
+    // 2. 在 Order 那增加一个 cancelPaidOrder 接口，用于取消已支付的订单
+    // 3. order 完成后，取消拼团记录。另外，如果它是团长，则顺序（下单时间）继承
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/combination/CombinationActivityConvert.java

@@ -1,5 +1,6 @@
 package cn.iocoder.yudao.module.promotion.convert.combination;
 
+import cn.hutool.core.util.ObjectUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.framework.common.util.collection.MapUtils;
@@ -16,6 +17,7 @@ import cn.iocoder.yudao.module.promotion.controller.admin.combination.vo.product
 import cn.iocoder.yudao.module.promotion.controller.admin.combination.vo.recrod.CombinationRecordRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.activity.AppCombinationActivityDetailRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.activity.AppCombinationActivityRespVO;
+import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.record.AppCombinationRecordDetailRespVO;
 import cn.iocoder.yudao.module.promotion.controller.app.combination.vo.record.AppCombinationRecordRespVO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationActivityDO;
 import cn.iocoder.yudao.module.promotion.dal.dataobject.combination.CombinationProductDO;
@@ -168,4 +170,16 @@ public interface CombinationActivityConvert {
 
     PageResult<CombinationRecordRespVO> convert(PageResult<CombinationRecordDO> result);
 
+    default AppCombinationRecordDetailRespVO convert(Long userId, CombinationRecordDO headRecord, List<CombinationRecordDO> memberRecords) {
+        AppCombinationRecordDetailRespVO respVO = new AppCombinationRecordDetailRespVO()
+                .setHeadRecord(convert(headRecord)).setMemberRecords(convertList3(memberRecords));
+        // 处理自己参与拼团的 orderId
+        CombinationRecordDO userRecord = CollectionUtils.findFirst(memberRecords, r -> ObjectUtil.equal(r.getUserId(), userId));
+        if (userRecord == null && ObjectUtil.equal(headRecord.getUserId(), userId)) {
+            userRecord = headRecord;
+        }
+        respVO.setOrderId(userRecord == null ? null : userRecord.getOrderId());
+        return respVO;
+    }
+
 }

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/combination/CombinationRecordDO.java

@@ -31,7 +31,7 @@ public class CombinationRecordDO extends BaseDO {
     /**
      * 团长编号 - 团长
      */
-    public static final Integer HEAD_ID_GROUP = 0;
+    public static final Long HEAD_ID_GROUP = 0L;
 
     /**
      * 编号，主键自增

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

@@ -81,25 +81,18 @@ public interface CombinationRecordMapper extends BaseMapperX<CombinationRecordDO
                 .last("LIMIT " + count));
     }
 
-    /**
-     * 获得最近 count 条拼团记录（团长发起的）
-     *
-     * @param activityId 拼团活动编号
-     * @param status     记录状态
-     * @param count      数量
-     * @return 拼团记录列表
-     */
-    default List<CombinationRecordDO> selectList(Long activityId, Integer status, Integer count) {
+    default List<CombinationRecordDO> selectListByActivityIdAndStatusAndHeadId(Long activityId, Integer status,
+                                                                               Long headId, Integer count) {
         return selectList(new LambdaQueryWrapperX<CombinationRecordDO>()
-                .eqIfPresent(CombinationRecordDO::getActivityId, activityId)
-                .eqIfPresent(CombinationRecordDO::getStatus, status)
-                .eq(CombinationRecordDO::getHeadId, null) // TODO 团长的 headId 是不是 null 还是自己的记录编号来着？
-                .orderByDesc(CombinationRecordDO::getCreateTime)
+                .eq(CombinationRecordDO::getActivityId, activityId)
+                .eq(CombinationRecordDO::getStatus, status)
+                .eq(CombinationRecordDO::getHeadId, headId)
+                .orderByDesc(CombinationRecordDO::getId)
                 .last("LIMIT " + count));
     }
 
     default Map<Long, Integer> selectCombinationRecordCountMapByActivityIdAndStatusAndHeadId(Collection<Long> activityIds,
-                                                                                             Integer status, Integer headId) {
+                                                                                             Integer status, Long headId) {
         // SQL count 查询
         List<Map<String, Object>> result = selectMaps(new QueryWrapper<CombinationRecordDO>()
                 .select("COUNT(DISTINCT(user_id)) AS recordCount, activity_id AS activityId")

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

@@ -136,7 +136,7 @@ public interface CombinationRecordService {
      * @param count      数量
      * @return 拼团记录列表
      */
-    List<CombinationRecordDO> getCombinationRecordListWithHead(Long activityId, Integer status, Integer count);
+    List<CombinationRecordDO> getHeadCombinationRecordList(Long activityId, Integer status, Integer count);
 
     /**
      * 获取指定编号的拼团记录
@@ -172,6 +172,6 @@ public interface CombinationRecordService {
      */
     Map<Long, Integer> getCombinationRecordCountMapByActivity(Collection<Long> activityIds,
                                                               @Nullable Integer status,
-                                                              @Nullable Integer headId);
+                                                              @Nullable Long headId);
 
 }

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

@@ -204,6 +204,7 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
         MemberUserRespDTO user = memberUserApi.getUser(reqDTO.getUserId());
         ProductSpuRespDTO spu = productSpuApi.getSpu(reqDTO.getSpuId());
         ProductSkuRespDTO sku = productSkuApi.getSku(reqDTO.getSkuId());
+        // TODO @puhui999：status 未设置；headId 未设置
         recordMapper.insert(CombinationActivityConvert.INSTANCE.convert(reqDTO, activity, user, spu, sku));
     }
 
@@ -253,8 +254,9 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
     }
 
     @Override
-    public List<CombinationRecordDO> getCombinationRecordListWithHead(Long activityId, Integer status, Integer count) {
-        return recordMapper.selectList(activityId, status, count);
+    public List<CombinationRecordDO> getHeadCombinationRecordList(Long activityId, Integer status, Integer count) {
+        return recordMapper.selectListByActivityIdAndStatusAndHeadId(activityId, status,
+                CombinationRecordDO.HEAD_ID_GROUP, count);
     }
 
     @Override
@@ -274,7 +276,7 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
 
     @Override
     public Map<Long, Integer> getCombinationRecordCountMapByActivity(Collection<Long> activityIds,
-                                                                     @Nullable Integer status, @Nullable Integer headId) {
+                                                                     @Nullable Integer status, @Nullable Long headId) {
         return recordMapper.selectCombinationRecordCountMapByActivityIdAndStatusAndHeadId(activityIds, status, headId);
     }