【代码补全】商城：uni-app端秒杀列表的接口

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

@@ -35,6 +35,7 @@ import java.time.Duration;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.util.Collections;
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
@@ -149,4 +150,21 @@ public class AppSeckillActivityController {
         return success(SeckillActivityConvert.INSTANCE.convert3(activity, productList, startTime, endTime));
     }
 
+    @GetMapping("/list-by-ids")
+    @Operation(summary = "获得拼团活动列表，基于活动编号数组")
+    @Parameter(name = "ids", description = "活动编号数组", required = true, example = "[1024, 1025]")
+    public CommonResult<List<AppSeckillActivityRespVO>> getCombinationActivityListByIds(@RequestParam("ids") List<Long> ids) {
+        // 1. 获得开启的活动列表
+        List<SeckillActivityDO> activityList = activityService.getSeckillActivityListByIds(ids);
+        activityList.removeIf(activity -> CommonStatusEnum.isDisable(activity.getStatus()));
+        if (CollUtil.isEmpty(activityList)) {
+            return success(Collections.emptyList());
+        }
+        // 2. 拼接返回
+        List<SeckillProductDO> productList = activityService.getSeckillProductListByActivityIds(
+                convertList(activityList, SeckillActivityDO::getId));
+        List<ProductSpuRespDTO> spuList = spuApi.getSpuList(convertList(activityList, SeckillActivityDO::getSpuId));
+        return success(SeckillActivityConvert.INSTANCE.convertAppList(activityList, productList, spuList));
+    }
+
 }

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

@@ -16,6 +16,9 @@ public class AppSeckillActivityRespVO {
     @Schema(description = "商品 SPU 编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "2048")
     private Long spuId;
 
+    @Schema(description = "商品 SPU 名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "一个白菜")
+    private String spuName; // 从 SPU 的 name 读取
+
     @Schema(description = "商品图片", requiredMode = Schema.RequiredMode.REQUIRED, // 从 SPU 的 picUrl 读取
             example = "https://www.iocoder.cn/xx.png")
     private String picUrl;

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/seckill/SeckillActivityConvert.java

@@ -104,6 +104,22 @@ public interface SeckillActivityConvert {
         });
     }
 
+    default List<AppSeckillActivityRespVO> convertAppList(List<SeckillActivityDO> list,
+                                                              List<SeckillProductDO> productList,
+                                                              List<ProductSpuRespDTO> spuList) {
+        List<AppSeckillActivityRespVO> activityList = BeanUtils.toBean(list, AppSeckillActivityRespVO.class);
+        Map<Long, ProductSpuRespDTO> spuMap = convertMap(spuList, ProductSpuRespDTO::getId);
+        Map<Long, List<SeckillProductDO>> productMap = convertMultiMap(productList, SeckillProductDO::getActivityId);
+        return CollectionUtils.convertList(activityList, item -> {
+            // 设置 product 信息
+            item.setSeckillPrice(getMinValue(productMap.get(item.getId()), SeckillProductDO::getSeckillPrice));
+            // 设置 SPU 信息
+            findAndThen(spuMap, item.getSpuId(), spu -> item.setSpuName(spu.getName())
+                    .setPicUrl(spu.getPicUrl()).setMarketPrice(spu.getMarketPrice()));
+            return item;
+        });
+    }
+
     List<SeckillProductRespVO> convertList2(List<SeckillProductDO> list);
 
     List<AppSeckillActivityRespVO> convertList3(List<SeckillActivityDO> activityList);