分销：重构下级分销统计

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/convert/brokerage/BrokerageUserConvert.java

@@ -11,7 +11,6 @@ import cn.iocoder.yudao.module.trade.controller.app.brokerage.vo.user.AppBrokera
 import cn.iocoder.yudao.module.trade.dal.dataobject.brokerage.BrokerageUserDO;
 import cn.iocoder.yudao.module.trade.service.brokerage.bo.BrokerageWithdrawSummaryRespBO;
 import cn.iocoder.yudao.module.trade.service.brokerage.bo.UserBrokerageSummaryRespBO;
-import com.baomidou.mybatisplus.core.metadata.IPage;
 import org.mapstruct.Mapper;
 import org.mapstruct.MappingTarget;
 import org.mapstruct.factory.Mappers;
@@ -88,8 +87,8 @@ public interface BrokerageUserConvert {
         return respVO;
     }
 
-    default void copyTo(IPage<AppBrokerageUserChildSummaryRespVO> pageResult, Map<Long, MemberUserRespDTO> userMap) {
-        for (AppBrokerageUserChildSummaryRespVO vo : pageResult.getRecords()) {
+    default void copyTo(List<AppBrokerageUserChildSummaryRespVO> list, Map<Long, MemberUserRespDTO> userMap) {
+        for (AppBrokerageUserChildSummaryRespVO vo : list) {
             Optional.ofNullable(userMap.get(vo.getId())).ifPresent(user ->
                     vo.setNickname(user.getNickname()).setAvatar(user.getAvatar()));
         }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/dal/mysql/brokerage/BrokerageUserMapper.java

@@ -138,13 +138,35 @@ public interface BrokerageUserMapper extends BaseMapperX<BrokerageUserDO> {
                                                                                   @Param("beginTime") LocalDateTime beginTime,
                                                                                   @Param("endTime") LocalDateTime endTime);
 
+    /**
+     * 下级分销统计（分页）
+     *
+     * @param bizType      业务类型
+     * @param status       状态
+     * @param bindUserIds  绑定用户编号列表
+     * @param sortingField 排序字段
+     * @return 下级分销统计分页列表
+     */
     IPage<AppBrokerageUserChildSummaryRespVO> selectSummaryPageByUserId(Page<?> page,
-                                                                        @Param("ids") List<Long> ids, // BrokerageUser 的 ids 数组
                                                                         @Param("bizType") Integer bizType,
                                                                         @Param("status") Integer status,
                                                                         @Param("bindUserIds") List<Long> bindUserIds,
                                                                         @Param("sortingField") SortingField sortingField);
 
+    /**
+     * 下级分销统计（不分页）
+     *
+     * @param bizType      业务类型
+     * @param status       状态
+     * @param bindUserIds  绑定用户编号列表
+     * @param sortingField 排序字段
+     * @return 下级分销统计列表
+     */
+    List<AppBrokerageUserChildSummaryRespVO> selectSummaryListByUserId(@Param("bizType") Integer bizType,
+                                                                       @Param("status") Integer status,
+                                                                       @Param("bindUserIds") List<Long> bindUserIds,
+                                                                       @Param("sortingField") SortingField sortingField);
+
     default List<BrokerageUserDO> selectListByBindUserId(Long bindUserId) {
         return selectList(BrokerageUserDO::getBindUserId, bindUserId);
     }

yudao-module-mall/yudao-module-trade-biz/src/main/java/cn/iocoder/yudao/module/trade/service/brokerage/BrokerageUserServiceImpl.java

@@ -31,6 +31,7 @@ import org.springframework.validation.annotation.Validated;
 import javax.annotation.Resource;
 import java.time.LocalDateTime;
 import java.util.*;
+import java.util.stream.Collectors;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
@@ -225,25 +226,66 @@ public class BrokerageUserServiceImpl implements BrokerageUserService {
 
     @Override
     public PageResult<AppBrokerageUserChildSummaryRespVO> getBrokerageUserChildSummaryPage(AppBrokerageUserChildSummaryPageReqVO pageReqVO, Long userId) {
-        // 1.1 根据昵称过滤用户
-        List<Long> ids = StrUtil.isBlank(pageReqVO.getNickname())
-                ? Collections.emptyList()
-                : convertList(memberUserApi.getUserListByNickname(pageReqVO.getNickname()), MemberUserRespDTO::getId);
-        // 1.2 生成推广员编号列表
-        // TODO @疯狂：是不是可以先 1.2 查询出来，然后查询对应的昵称，进行过滤？避免昵称过滤返回的 id 过多；
+        // 生成推广员编号列表
         List<Long> bindUserIds = buildBindUserIdsByLevel(userId, pageReqVO.getLevel());
 
-        // 2. 分页查询
-        IPage<AppBrokerageUserChildSummaryRespVO> pageResult = brokerageUserMapper.selectSummaryPageByUserId(
-                MyBatisUtils.buildPage(pageReqVO), ids, BrokerageRecordBizTypeEnum.ORDER.getType(),
-                BrokerageRecordStatusEnum.SETTLEMENT.getStatus(), bindUserIds, pageReqVO.getSortingField()
+        // 情况一：没有昵称过滤条件时，直接使用数据库的分页查询
+        if (StrUtil.isBlank(pageReqVO.getNickname())) {
+            // 1.1 分页查询
+            IPage<AppBrokerageUserChildSummaryRespVO> pageResult = brokerageUserMapper.selectSummaryPageByUserId(
+                    MyBatisUtils.buildPage(pageReqVO), BrokerageRecordBizTypeEnum.ORDER.getType(),
+                    BrokerageRecordStatusEnum.SETTLEMENT.getStatus(), bindUserIds, pageReqVO.getSortingField()
+            );
+
+            // 1.2 拼接数据并返回
+            List<Long> userIds = convertList(pageResult.getRecords(), AppBrokerageUserChildSummaryRespVO::getId);
+            Map<Long, MemberUserRespDTO> userMap = memberUserApi.getUserMap(userIds);
+            BrokerageUserConvert.INSTANCE.copyTo(pageResult.getRecords(), userMap);
+            return new PageResult<>(pageResult.getRecords(), pageResult.getTotal());
+        }
+
+        // 情况二：有昵称过滤条件时，需要跨模块（Member）过滤
+        // 2.1 查询所有匹配的分销用户
+        List<AppBrokerageUserChildSummaryRespVO> list = brokerageUserMapper.selectSummaryListByUserId(
+                BrokerageRecordBizTypeEnum.ORDER.getType(), BrokerageRecordStatusEnum.SETTLEMENT.getStatus(),
+                bindUserIds, pageReqVO.getSortingField()
         );
+        if (CollUtil.isEmpty(list)) {
+            return PageResult.empty();
+        }
 
-        // 3. 拼接数据并返回
-        List<Long> userIds = convertList(pageResult.getRecords(), AppBrokerageUserChildSummaryRespVO::getId);
-        Map<Long, MemberUserRespDTO> userMap = memberUserApi.getUserMap(userIds);
-        BrokerageUserConvert.INSTANCE.copyTo(pageResult, userMap);
-        return new PageResult<>(pageResult.getRecords(), pageResult.getTotal());
+        // 2.2 查出对应的用户信息
+        List<MemberUserRespDTO> users = memberUserApi.getUserList(convertList(list, AppBrokerageUserChildSummaryRespVO::getId));
+        if (CollUtil.isEmpty(users)) {
+            return PageResult.empty();
+        }
+
+        // 2.3 根据昵称过滤出用户编号
+        Map<Long, MemberUserRespDTO> userMap = users.stream()
+                .filter(user -> StrUtil.contains(user.getNickname(), pageReqVO.getNickname()))
+                .collect(Collectors.toMap(MemberUserRespDTO::getId, dto -> dto));
+        if (CollUtil.isEmpty(userMap)) {
+            return PageResult.empty();
+        }
+
+        // 2.4 根据用户编号过滤结果
+        list.removeIf(vo -> !userMap.containsKey(vo.getId()));
+        if (CollUtil.isEmpty(list)) {
+            return PageResult.empty();
+        }
+
+        // 2.5 处理分页
+        List<AppBrokerageUserChildSummaryRespVO> result = list.stream()
+                .skip((long) (pageReqVO.getPageNo() - 1) * pageReqVO.getPageSize())
+                .limit(pageReqVO.getPageSize())
+                .collect(Collectors.toList());
+        if (CollUtil.isEmpty(result)) {
+            return PageResult.empty();
+        }
+
+        // 2.6 拼接数据并返回
+        BrokerageUserConvert.INSTANCE.copyTo(result, userMap);
+        return new PageResult<>(result, (long) list.size());
     }
 
     private boolean isUserCanBind(BrokerageUserDO user) {

yudao-module-mall/yudao-module-trade-biz/src/main/resources/mapper/brokerage/BrokerageUserMapper.xml

@@ -2,8 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="cn.iocoder.yudao.module.trade.dal.mysql.brokerage.BrokerageUserMapper">
 
-    <select id="selectSummaryPageByUserId"
-            resultType="cn.iocoder.yudao.module.trade.controller.app.brokerage.vo.user.AppBrokerageUserChildSummaryRespVO">
+    <sql id="selectSummaryListByUserId">
         SELECT bu.id, bu.bind_user_time AS brokerageTime,
         (SELECT SUM(price) FROM trade_brokerage_record r
         WHERE r.user_id = bu.id AND biz_type = #{bizType} AND r.status = #{status} AND r.deleted = FALSE) AS brokeragePrice,
@@ -14,12 +13,6 @@
         FROM trade_brokerage_user AS bu
         <where>
             bu.deleted = false
-            <if test="ids != null and ids.size() > 0">
-                and bu.id in
-                <foreach collection="ids" open="(" item="id" separator="," close=")">
-                    #{id}
-                </foreach>
-            </if>
             <if test="bindUserIds != null and bindUserIds.size() > 0">
                 and bu.bind_user_id in
                 <foreach collection="bindUserIds" open="(" item="bindUserId" separator="," close=")">
@@ -41,6 +34,15 @@
                 ORDER BY bu.bind_user_time DESC
             </otherwise>
         </choose>
+    </sql>
+
+    <select id="selectSummaryPageByUserId"
+            resultType="cn.iocoder.yudao.module.trade.controller.app.brokerage.vo.user.AppBrokerageUserChildSummaryRespVO">
+        <include refid="selectSummaryListByUserId" />
+    </select>
+    <select id="selectSummaryListByUserId"
+            resultType="cn.iocoder.yudao.module.trade.controller.app.brokerage.vo.user.AppBrokerageUserChildSummaryRespVO">
+        <include refid="selectSummaryListByUserId" />
     </select>
 
 </mapper>