【功能优化】拼团装修重构；

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

@@ -16,19 +16,21 @@ import cn.iocoder.yudao.module.promotion.service.combination.CombinationRecordSe
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
-import jakarta.annotation.Resource;
-import jakarta.validation.Valid;
+import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import static cn.hutool.core.collection.CollectionUtil.newArrayList;
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
-import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
 
 @Tag(name = "管理后台 - 拼团活动")
 @RestController
@@ -87,6 +89,43 @@ public class CombinationActivityController {
         return success(CombinationActivityConvert.INSTANCE.convert(activity, products));
     }
 
+    @GetMapping("/list")
+    @Operation(summary = "获得拼团活动详情列表")
+    @Parameter(name = "combinationActivityIds", description = "拼团活动编号列表", required = true, example = "[1,2,3]")
+    @PreAuthorize("@ss.hasPermission('product:spu:query')")
+    public CommonResult<List<CombinationActivityRespVO>> getCombinationActivityDetailList(@RequestParam("combinationActivityIds") Collection<Long> combinationActivityIds) {
+        // 查询拼团活动列表
+        List<CombinationActivityDO> activities = combinationActivityService.getCombinationActivityListByIds(combinationActivityIds);
+
+        // 转换活动列表
+        List<CombinationActivityRespVO> activityVOs = CombinationActivityConvert.INSTANCE.convertList(activities);
+
+        // 获取商品SPU列表和拼团产品列表
+        Set<Long> spuIds = activities.stream().map(CombinationActivityDO::getSpuId).collect(Collectors.toSet());
+        List<ProductSpuRespDTO> spuList = productSpuApi.getSpuList(spuIds);
+
+        Set<Long> activityIds = activities.stream().map(CombinationActivityDO::getId).collect(Collectors.toSet());
+        List<CombinationProductDO> productList = combinationActivityService.getCombinationProductListByActivityIds(activityIds);
+
+        // 创建SPU和产品的映射
+        Map<Long, ProductSpuRespDTO> spuMap = convertMap(spuList, ProductSpuRespDTO::getId);
+        Map<Long, List<CombinationProductDO>> productMap = convertMultiMap(productList, CombinationProductDO::getActivityId);
+
+        // 更新VO列表
+        activityVOs.forEach(vo -> {
+            ProductSpuRespDTO spu = spuMap.get(vo.getSpuId());
+            if (spu != null) {
+                vo.setSpuName(spu.getName())
+                        .setPicUrl(spu.getPicUrl())
+                        .setMarketPrice(spu.getMarketPrice());
+            }
+            vo.setProducts(CombinationActivityConvert.INSTANCE.convertList2(productMap.get(vo.getId())));
+        });
+
+        return success(activityVOs);
+    }
+
+
     @GetMapping("/page")
     @Operation(summary = "获得拼团活动分页")
     @PreAuthorize("@ss.hasPermission('promotion:combination-activity:query')")

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

@@ -27,4 +27,16 @@ public class CombinationActivityRespVO extends CombinationActivityBaseVO {
     @Schema(description = "拼团商品", requiredMode = Schema.RequiredMode.REQUIRED)
     private List<CombinationProductRespVO> products;
 
+    // ========== 商品字段 ==========
+
+    @Schema(description = "商品名称", requiredMode = Schema.RequiredMode.REQUIRED, // 从 SPU 的 name 读取
+            example = "618大促")
+    private String spuName;
+    @Schema(description = "商品主图", requiredMode = Schema.RequiredMode.REQUIRED, // 从 SPU 的 picUrl 读取
+            example = "https://www.iocoder.cn/xx.png")
+    private String picUrl;
+    @Schema(description = "商品市场价，单位：分", requiredMode = Schema.RequiredMode.REQUIRED, // 从 SPU 的 marketPrice 读取
+            example = "50")
+    private Integer marketPrice;
+
 }

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

@@ -26,9 +26,13 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import jakarta.annotation.Resource;
+
 import java.time.Duration;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 import static cn.iocoder.yudao.framework.common.util.cache.CacheUtils.buildAsyncReloadingCache;
@@ -109,4 +113,38 @@ public class AppCombinationActivityController {
         return success(CombinationActivityConvert.INSTANCE.convert3(activity, products));
     }
 
+    @GetMapping("/get-detail-list")
+    @Operation(summary = "获得拼团活动明细")
+    @Parameter(name = "combinationActivityIds", description = "活动编号列表", required = true, example = "[1024, 1025]")
+    public CommonResult<List<AppCombinationActivityDetailRespVO>> getCombinationActivityDetailList(@RequestParam("combinationActivityIds") Collection<Long> combinationActivityIds) {
+        // 1. 获取活动
+        List<CombinationActivityDO> combinationActivityDOList = activityService.getCombinationActivityListByIds(combinationActivityIds);
+
+        // 过滤掉无效的活动
+        List<CombinationActivityDO> validActivities = combinationActivityDOList.stream()
+                .filter(combinationActivityDO -> combinationActivityDO != null &&
+                        !ObjectUtil.equal(combinationActivityDO.getStatus(), CommonStatusEnum.DISABLE.getStatus()))
+                .toList();
+
+        // 如果没有有效的活动，返回 null 或者适当的错误信息
+        if (validActivities.isEmpty()) {
+            return success(null); // 或者 return error("没有有效的活动");
+        }
+
+        // 2. 构建结果列表
+        List<AppCombinationActivityDetailRespVO> detailRespVOList = new ArrayList<>();
+        for (CombinationActivityDO activity : validActivities) {
+            // 获取活动商品
+            List<CombinationProductDO> products = activityService.getCombinationProductsByActivityId(activity.getId());
+
+            // 调用转换方法并添加到结果列表
+            AppCombinationActivityDetailRespVO detailRespVO = CombinationActivityConvert.INSTANCE.convert3(activity, products);
+            detailRespVOList.add(detailRespVO);
+        }
+
+        // 3. 返回转换后的结果
+        return success(detailRespVOList);
+    }
+
+
 }