update

internal/handler/street_snap_handler.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"fashionapi/internal/dto"
+	"fashionapi/internal/middleware"
 	"fashionapi/internal/pkg/hashid"
 	"fashionapi/internal/pkg/response"
 	"fashionapi/internal/service"
@@ -15,12 +16,13 @@ import (
 
 // StreetSnapHandler 对外公开的街拍接口。
 type StreetSnapHandler struct {
-	svc service.StreetSnapService
+	svc  service.StreetSnapService
+	favs service.FavoriteService
 }
 
 // NewStreetSnapHandler 创建街拍 handler。
-func NewStreetSnapHandler(svc service.StreetSnapService) *StreetSnapHandler {
-	return &StreetSnapHandler{svc: svc}
+func NewStreetSnapHandler(svc service.StreetSnapService, favs service.FavoriteService) *StreetSnapHandler {
+	return &StreetSnapHandler{svc: svc, favs: favs}
 }
 
 // List 街拍列表（分页 + 排序 + 年份过滤）。
@@ -93,5 +95,28 @@ func (h *StreetSnapHandler) Detail(c *gin.Context) {
 		detail.Images = detail.Images[:dto.PreviewLimit]
 		preview = true
 	}
+
+	// 已登录：图集（gallery 级 s=）与每张图片（image 级 j=）收藏态随详情返回，
+	// 前端无需再单独调 /me/favorites/checks。
+	if uid, ok := middleware.UserIDFrom(c); ok {
+		ids := make([]string, 0, len(detail.Images)+1)
+		ids = append(ids, detail.UID)
+		for _, im := range detail.Images {
+			if im.ID != "" {
+				ids = append(ids, im.ID)
+			}
+		}
+		if hit, err := h.favs.Check(c.Request.Context(), uid, ids); err == nil {
+			set := make(map[string]bool, len(hit))
+			for _, id := range hit {
+				set[id] = true
+			}
+			detail.Favorited = set[detail.UID]
+			for i := range detail.Images {
+				detail.Images[i].Favorited = set[detail.Images[i].ID]
+			}
+		}
+	}
+
 	response.DataPreview(c, http.StatusOK, detail, preview, imageTotal)
 }