promotion：修复砍价活动返回的 combinationPrice 为空的问题

yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java

@@ -56,7 +56,7 @@ public interface BaseMapperX<T> extends MPJBaseMapper<T> {
     }
 
     default Long selectCount() {
-        return selectCount(new QueryWrapper<T>());
+        return selectCount(new QueryWrapper<>());
     }
 
     default Long selectCount(String field, Object value) {

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

@@ -74,7 +74,7 @@ public class CombinationActivityController {
     @PreAuthorize("@ss.hasPermission('promotion:combination-activity:query')")
     public CommonResult<CombinationActivityRespVO> getCombinationActivity(@RequestParam("id") Long id) {
         CombinationActivityDO activity = combinationActivityService.getCombinationActivity(id);
-        List<CombinationProductDO> products = combinationActivityService.getCombinationProductsByActivityIds(newArrayList(id));
+        List<CombinationProductDO> products = combinationActivityService.getCombinationProductListByActivityIds(newArrayList(id));
         return success(CombinationActivityConvert.INSTANCE.convert(activity, products));
     }
 
@@ -98,7 +98,7 @@ public class CombinationActivityController {
         Map<Long, Integer> recordCountMap = combinationRecordService.getCombinationRecordCountMapByActivity(
                 activityIds, null, null);
         // 拼接数据
-        List<CombinationProductDO> products = combinationActivityService.getCombinationProductsByActivityIds(
+        List<CombinationProductDO> products = combinationActivityService.getCombinationProductListByActivityIds(
                 convertSet(pageResult.getList(), CombinationActivityDO::getId));
         List<ProductSpuRespDTO> spus = productSpuApi.getSpuList(
                 convertSet(pageResult.getList(), CombinationActivityDO::getSpuId));

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

@@ -78,7 +78,7 @@ public class CombinationRecordController {
 
     private Map<String, Long> getCombinationRecordSummary0() {
         Map<String, Long> hashMap = MapUtil.newHashMap(3);
-        hashMap.put("userCount", combinationRecordService.getCombinationRecordsCount());// 获取所有拼团记录
+        hashMap.put("userCount", combinationRecordService.getCombinationRecordCount());// 获取所有拼团记录
         hashMap.put("successCount", combinationRecordService.getCombinationRecordsSuccessCount());// 获取成团记录
         hashMap.put("virtualGroupCount", combinationRecordService.getRecordsVirtualGroupCount());// 获取虚拟成团记录
         return hashMap;

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

@@ -30,7 +30,6 @@ import java.time.Duration;
 import java.util.Collections;
 import java.util.List;
 
-import static cn.hutool.core.util.ObjectUtil.defaultIfNull;
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
@@ -56,6 +55,7 @@ public class AppCombinationActivityController {
 
     @Resource
     private CombinationActivityService activityService;
+
     @Resource
     private ProductSpuApi spuApi;
 
@@ -68,40 +68,45 @@ public class AppCombinationActivityController {
     }
 
     private List<AppCombinationActivityRespVO> getCombinationActivityList0(Integer count) {
-        List<CombinationActivityDO> list = activityService.getCombinationActivityListByCount(defaultIfNull(count, 6));
-        if (CollUtil.isEmpty(list)) {
+        List<CombinationActivityDO> activityList = activityService.getCombinationActivityListByCount(count);
+        if (CollUtil.isEmpty(activityList)) {
             return Collections.emptyList();
         }
         // 拼接返回
-        List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(list, CombinationActivityDO::getSpuId));
-        return CombinationActivityConvert.INSTANCE.convertAppList(list, spuList);
+        List<CombinationProductDO> productList = activityService.getCombinationProductListByActivityIds(
+                convertList(activityList, CombinationActivityDO::getId));
+        List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(activityList, CombinationActivityDO::getSpuId));
+        return CombinationActivityConvert.INSTANCE.convertAppList(activityList, productList, spuList);
     }
 
     @GetMapping("/page")
     @Operation(summary = "获得拼团活动分页")
     public CommonResult<PageResult<AppCombinationActivityRespVO>> getCombinationActivityPage(PageParam pageParam) {
-        PageResult<CombinationActivityDO> result = activityService.getCombinationActivityPage(pageParam);
-        if (CollUtil.isEmpty(result.getList())) {
-            return success(PageResult.empty(result.getTotal()));
+        PageResult<CombinationActivityDO> pageResult = activityService.getCombinationActivityPage(pageParam);
+        if (CollUtil.isEmpty(pageResult.getList())) {
+            return success(PageResult.empty(pageResult.getTotal()));
         }
         // 拼接返回
-        List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(result.getList(), CombinationActivityDO::getSpuId));
-        return success(CombinationActivityConvert.INSTANCE.convertAppPage(result, spuList));
+        List<CombinationProductDO> productList = activityService.getCombinationProductListByActivityIds(
+                convertList(pageResult.getList(), CombinationActivityDO::getId));
+        List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(pageResult.getList(), CombinationActivityDO::getSpuId));
+        return success(CombinationActivityConvert.INSTANCE.convertAppPage(pageResult, productList, spuList));
     }
 
     @GetMapping("/get-detail")
     @Operation(summary = "获得拼团活动明细")
     @Parameter(name = "id", description = "活动编号", required = true, example = "1024")
     public CommonResult<AppCombinationActivityDetailRespVO> getCombinationActivityDetail(@RequestParam("id") Long id) {
-        // 1、获取活动
-        CombinationActivityDO combinationActivity = activityService.getCombinationActivity(id);
-        if (combinationActivity == null
-                || ObjectUtil.equal(combinationActivity.getStatus(), CommonStatusEnum.DISABLE.getStatus())) {
+        // 1. 获取活动
+        CombinationActivityDO activity = activityService.getCombinationActivity(id);
+        if (activity == null
+                || ObjectUtil.equal(activity.getStatus(), CommonStatusEnum.DISABLE.getStatus())) {
             return success(null);
         }
-        // 2、获取活动商品
-        List<CombinationProductDO> products = activityService.getCombinationProductsByActivityId(combinationActivity.getId());
-        return success(CombinationActivityConvert.INSTANCE.convert3(combinationActivity, products));
+
+        // 2. 获取活动商品
+        List<CombinationProductDO> products = activityService.getCombinationProductsByActivityId(activity.getId());
+        return success(CombinationActivityConvert.INSTANCE.convert3(activity, products));
     }
 
 }

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

@@ -39,21 +39,21 @@ public class AppCombinationRecordController {
 
     @GetMapping("/get-summary")
     @Operation(summary = "获得拼团记录的概要信息", description = "用于小程序首页")
-    // TODO 芋艿：增加 @Cache 缓存，1 分钟过期
     public CommonResult<AppCombinationRecordSummaryRespVO> getCombinationRecordSummary() {
-        // 获取所有拼团记录
-        Long count = combinationRecordService.getCombinationRecordsCount();
         AppCombinationRecordSummaryRespVO summary = new AppCombinationRecordSummaryRespVO();
-        if (count == null || count == 0L) {
+        // 1. 获得拼团记录数量
+        Long count = combinationRecordService.getCombinationRecordCount();
+        if (count == 0) {
             summary.setAvatars(Collections.emptyList());
             summary.setUserCount(count);
             return success(summary);
         }
-
         summary.setUserCount(count);
-        // TODO 只返回最近的 7 个
-        int num = 7;
-        summary.setAvatars(convertList(combinationRecordService.getLatestCombinationRecordList(num), CombinationRecordDO::getAvatar));
+
+        // 2. 获得拼团记录头像
+        List<CombinationRecordDO> records = combinationRecordService.getLatestCombinationRecordList(
+                AppCombinationRecordSummaryRespVO.AVATAR_COUNT);
+        summary.setAvatars(convertList(records, CombinationRecordDO::getAvatar));
         return success(summary);
     }
 

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

@@ -9,6 +9,11 @@ import java.util.List;
 @Data
 public class AppCombinationRecordSummaryRespVO {
 
+    /**
+     * 加载 {@link #avatars} 的数量
+     */
+    public static final Integer AVATAR_COUNT = 7;
+
     @Schema(description = "拼团用户数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
     private Long userCount;
 

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/app/seckill/AppSeckillActivityController.java

@@ -86,7 +86,8 @@ public class AppSeckillActivityController {
 
         // 2.1 查询满足当前阶段的活动
         List<SeckillActivityDO> activityList = activityService.getSeckillActivityListByConfigIdAndStatus(config.getId(), CommonStatusEnum.ENABLE.getStatus());
-        List<SeckillProductDO> productList = activityService.getSeckillProductListByActivityId(convertList(activityList, SeckillActivityDO::getId));
+        List<SeckillProductDO> productList = activityService.getSeckillProductListByActivityId(
+                convertList(activityList, SeckillActivityDO::getId));
         // 2.2 获取 spu 信息
         List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(activityList, SeckillActivityDO::getSpuId));
         return SeckillActivityConvert.INSTANCE.convert(config, activityList, productList, spuList);

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

@@ -28,7 +28,7 @@ import org.mapstruct.factory.Mappers;
 import java.util.List;
 import java.util.Map;
 
-import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
 import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
 
 /**
@@ -120,10 +120,16 @@ public interface CombinationActivityConvert {
 
     List<AppCombinationActivityRespVO> convertAppList(List<CombinationActivityDO> list);
 
-    default List<AppCombinationActivityRespVO> convertAppList(List<CombinationActivityDO> list, List<ProductSpuRespDTO> spuList) {
+    default List<AppCombinationActivityRespVO> convertAppList(List<CombinationActivityDO> list,
+                                                              List<CombinationProductDO> productList,
+                                                              List<ProductSpuRespDTO> spuList) {
         List<AppCombinationActivityRespVO> activityList = convertAppList(list);
         Map<Long, ProductSpuRespDTO> spuMap = convertMap(spuList, ProductSpuRespDTO::getId);
+        Map<Long, List<CombinationProductDO>> productMap = convertMultiMap(productList, CombinationProductDO::getActivityId);
         return CollectionUtils.convertList(activityList, item -> {
+            // 设置 product 信息
+            item.setCombinationPrice(getMinValue(productMap.get(item.getId()), CombinationProductDO::getCombinationPrice));
+            // 设置 SPU 信息
             findAndThen(spuMap, item.getSpuId(), spu -> item.setPicUrl(spu.getPicUrl()).setMarketPrice(spu.getMarketPrice()));
             return item;
         });
@@ -131,13 +137,17 @@ public interface CombinationActivityConvert {
 
     PageResult<AppCombinationActivityRespVO> convertAppPage(PageResult<CombinationActivityDO> result);
 
-    default PageResult<AppCombinationActivityRespVO> convertAppPage(PageResult<CombinationActivityDO> result, List<ProductSpuRespDTO> spuList) {
+    default PageResult<AppCombinationActivityRespVO> convertAppPage(PageResult<CombinationActivityDO> result,
+                                                                    List<CombinationProductDO> productList,
+                                                                    List<ProductSpuRespDTO> spuList) {
         PageResult<AppCombinationActivityRespVO> appPage = convertAppPage(result);
         Map<Long, ProductSpuRespDTO> spuMap = convertMap(spuList, ProductSpuRespDTO::getId);
+        Map<Long, List<CombinationProductDO>> productMap = convertMultiMap(productList, CombinationProductDO::getActivityId);
         List<AppCombinationActivityRespVO> list = CollectionUtils.convertList(appPage.getList(), item -> {
-            findAndThen(spuMap, item.getSpuId(), spu -> {
-                item.setPicUrl(spu.getPicUrl()).setMarketPrice(spu.getMarketPrice());
-            });
+            // 设置 product 信息
+            item.setCombinationPrice(getMinValue(productMap.get(item.getId()), CombinationProductDO::getCombinationPrice));
+            // 设置 SPU 信息
+            findAndThen(spuMap, item.getSpuId(), spu -> item.setPicUrl(spu.getPicUrl()).setMarketPrice(spu.getMarketPrice()));
             return item;
         });
         appPage.setList(list);

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

@@ -77,7 +77,7 @@ public interface CombinationRecordMapper extends BaseMapperX<CombinationRecordDO
      */
     default List<CombinationRecordDO> selectLatestList(int count) {
         return selectList(new LambdaQueryWrapperX<CombinationRecordDO>()
-                .orderByDesc(CombinationRecordDO::getCreateTime)
+                .orderByDesc(CombinationRecordDO::getId)
                 .last("LIMIT " + count));
     }
 

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

@@ -73,7 +73,7 @@ public interface CombinationActivityService {
      * @return 拼团活动的商品列表
      */
     default List<CombinationProductDO> getCombinationProductsByActivityId(Long activityId) {
-        return getCombinationProductsByActivityIds(Collections.singletonList(activityId));
+        return getCombinationProductListByActivityIds(Collections.singletonList(activityId));
     }
 
     /**
@@ -82,7 +82,7 @@ public interface CombinationActivityService {
      * @param activityIds 拼团活动 ids
      * @return 拼团活动的商品列表
      */
-    List<CombinationProductDO> getCombinationProductsByActivityIds(Collection<Long> activityIds);
+    List<CombinationProductDO> getCombinationProductListByActivityIds(Collection<Long> activityIds);
 
     /**
      * 获取正在进行的活动分页数据

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

@@ -200,7 +200,7 @@ public class CombinationActivityServiceImpl implements CombinationActivityServic
     }
 
     @Override
-    public List<CombinationProductDO> getCombinationProductsByActivityIds(Collection<Long> activityIds) {
+    public List<CombinationProductDO> getCombinationProductListByActivityIds(Collection<Long> activityIds) {
         return combinationProductMapper.selectListByActivityIds(activityIds);
     }
 

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

@@ -96,7 +96,7 @@ public interface CombinationRecordService {
      *
      * @return 记录数
      */
-    Long getCombinationRecordsCount();
+    Long getCombinationRecordCount();
 
     /**
      * 获取成功记录数

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

@@ -227,7 +227,7 @@ public class CombinationRecordServiceImpl implements CombinationRecordService {
     }
 
     @Override
-    public Long getCombinationRecordsCount() {
+    public Long getCombinationRecordCount() {
         return recordMapper.selectCount();
     }