bugfix

internal/service/outfit.go

@@ -22,6 +22,9 @@ type OutfitService struct {
 	outfitItemDao *mysqldao.OutfitItemDao
 	clothesDao    *mysqldao.ClothesDao
 	auditLogDao   *mysqldao.OutfitAuditLogDao
+	userDao       *mysqldao.UserDao
+	likeDao       *mysqldao.LikeDao
+	collectDao    *mysqldao.CollectDao
 }
 
 // NewOutfitService 创建穿搭服务。
@@ -31,6 +34,9 @@ func NewOutfitService() *OutfitService {
 		outfitItemDao: mysqldao.NewOutfitItemDao(),
 		clothesDao:    mysqldao.NewClothesDao(),
 		auditLogDao:   mysqldao.NewOutfitAuditLogDao(),
+		userDao:       mysqldao.NewUserDao(),
+		likeDao:       mysqldao.NewLikeDao(),
+		collectDao:    mysqldao.NewCollectDao(),
 	}
 }
 
@@ -175,6 +181,30 @@ func (s *OutfitService) List(ctx context.Context, userID int64, request *dto.Out
 	}, nil
 }
 
+// CommunityList 分页查询社区穿搭：其他用户「公开 + 审核通过 + 状态正常」的穿搭，
+// 聚合作者信息与点赞/收藏计数后一次性下发（批量查询，避免 N+1）。
+func (s *OutfitService) CommunityList(ctx context.Context, userID int64, request *dto.OutfitCommunityListRequest) (*dto.OutfitCommunityListResponse, *errcode.Error) {
+	ctx, span := global.Tracer.Start(ctx, "svc.OutfitCommunityList")
+	defer span.End()
+
+	page, pageSize := normalizePage(request.Page, request.PageSize)
+
+	list, total, err := s.outfitDao.OutfitListCommunity(ctx, userID, page, pageSize)
+	if err != nil {
+		return nil, errcode.DatabaseError
+	}
+
+	items, berr := s.buildCommunityItems(ctx, list)
+	if berr != nil {
+		return nil, errcode.DatabaseError
+	}
+
+	return &dto.OutfitCommunityListResponse{
+		PageResponse: dto.PageResponse{Total: total, Page: page, PageSize: pageSize},
+		List:         items,
+	}, nil
+}
+
 // Delete 删除穿搭（软删除穿搭 + 清理明细）。
 func (s *OutfitService) Delete(ctx context.Context, userID int64, request *dto.OutfitDeleteRequest) (*dto.OutfitDeleteResponse, *errcode.Error) {
 	ctx, span := global.Tracer.Start(ctx, "svc.OutfitDelete")
@@ -414,6 +444,93 @@ func (s *OutfitService) buildOutfitListResponses(ctx context.Context, list []mys
 	return resps, nil
 }
 
+// buildCommunityItems 批量组装社区穿搭列表项（明细/衣物/作者/互动计数均批量查询，避免 N+1）。
+func (s *OutfitService) buildCommunityItems(ctx context.Context, list []mysqlmodel.Outfit) ([]dto.OutfitCommunityItem, error) {
+	items := make([]dto.OutfitCommunityItem, 0, len(list))
+	if len(list) == 0 {
+		return items, nil
+	}
+
+	outfitIDs := make([]int64, 0, len(list))
+	ownerIDs := make([]int64, 0, len(list))
+	for _, o := range list {
+		outfitIDs = append(outfitIDs, o.ID)
+		ownerIDs = append(ownerIDs, o.UserID)
+	}
+
+	// 1. 穿搭明细 + 衣物（批量）。
+	allItems, err := s.outfitItemDao.OutfitItemListByOutfitIDs(ctx, outfitIDs)
+	if err != nil {
+		return nil, err
+	}
+	itemsByOutfit := make(map[int64][]int64, len(list))
+	clothesIDSet := make(map[int64]struct{}, len(allItems))
+	for _, it := range allItems {
+		itemsByOutfit[it.OutfitID] = append(itemsByOutfit[it.OutfitID], it.ClothesID)
+		clothesIDSet[it.ClothesID] = struct{}{}
+	}
+	clothesIDs := make([]int64, 0, len(clothesIDSet))
+	for id := range clothesIDSet {
+		clothesIDs = append(clothesIDs, id)
+	}
+	clothesByID := make(map[int64]mysqlmodel.Clothes, len(clothesIDs))
+	if len(clothesIDs) > 0 {
+		clothesList, cerr := s.clothesDao.ClothesGetByIDs(ctx, clothesIDs)
+		if cerr != nil {
+			return nil, cerr
+		}
+		for i := range clothesList {
+			clothesByID[clothesList[i].ID] = clothesList[i]
+		}
+	}
+
+	// 2. 作者信息（批量；头像 COS key 统一转可访问 URL）。
+	ownerByID := make(map[int64]mysqlmodel.User, len(ownerIDs))
+	if owners, uerr := s.userDao.UserGetByIDs(ctx, ownerIDs); uerr == nil {
+		for i := range owners {
+			ownerByID[owners[i].ID] = owners[i]
+		}
+	}
+
+	// 3. 点赞 / 收藏计数（批量）。
+	likeCounts, lerr := s.likeDao.LikeCountByTargets(ctx, LikeTypeOutfit, outfitIDs)
+	if lerr != nil {
+		return nil, lerr
+	}
+	collectCounts, cerr := s.collectDao.CollectCountByTargets(ctx, CollectTypeOutfit, outfitIDs)
+	if cerr != nil {
+		return nil, cerr
+	}
+
+	for i := range list {
+		o := &list[i]
+		oItems := make([]dto.OutfitItemResponse, 0, len(itemsByOutfit[o.ID]))
+		for _, cid := range itemsByOutfit[o.ID] {
+			if c, ok := clothesByID[cid]; ok {
+				oItems = append(oItems, buildOutfitItemResponse(&c))
+			}
+		}
+
+		item := dto.OutfitCommunityItem{
+			OutfitUUID:   o.OutfitUUID,
+			OutfitName:   o.OutfitName,
+			OutfitDesc:   o.OutfitDesc,
+			Scene:        o.Scene,
+			Source:       o.Source,
+			CreatedAt:    o.CreatedAt,
+			Items:        oItems,
+			LikeCount:    likeCounts[o.ID],
+			CollectCount: collectCounts[o.ID],
+		}
+		if owner, ok := ownerByID[o.UserID]; ok {
+			item.OwnerName = owner.Username
+			item.OwnerAvatar = upload.AvatarURL(owner.Avatar)
+		}
+		items = append(items, item)
+	}
+	return items, nil
+}
+
 // buildOutfitItemResponse 组装穿搭明细（processed_image 转为可访问 URL）。
 func buildOutfitItemResponse(c *mysqlmodel.Clothes) dto.OutfitItemResponse {
 	return dto.OutfitItemResponse{ClothesUUID: c.ClothesUUID, ProcessedImage: clothesImageURL(c.ProcessedImage)}