feat: 专区图标支持后台上传 OSS，查询接口下发 tupian_url

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/views/system.py

@@ -587,6 +587,24 @@ class ModifyProductTypeZoneView(APIView):
         else:
             return Response({'code': 400, 'msg': '无效的action'})
 
+    def _upload_zhuanqu_icon(self, image_file):
+        """专区图标上传到 OSS，相对路径前缀 shangpin/zhuanqu/（按俱乐部存库，路径共用前缀）。"""
+        try:
+            valid, msg = validate_image(image_file)
+            if not valid:
+                return None, msg
+        except ImportError:
+            pass
+        ext = image_file.name.split('.')[-1].lower() if image_file.name and '.' in image_file.name else 'png'
+        if ext not in ('jpg', 'jpeg', 'png', 'gif', 'webp'):
+            ext = 'png'
+        new_filename = f"{int(time.time())}_{uuid.uuid4().hex[:12]}.{ext}"
+        oss_path = f"shangpin/zhuanqu/{new_filename}"
+        url = upload_to_oss(image_file, oss_path)
+        if not url:
+            return None, '图片上传失败'
+        return oss_path, None
+
     def add_zhuanqu(self, request):
         mingzi = request.data.get('mingzi', '').strip()
         leixing_id = request.data.get('leixing_id')
@@ -609,6 +627,16 @@ class ModifyProductTypeZoneView(APIView):
         except (TypeError, ValueError):
             return Response({'code': 400, 'msg': '审核状态无效（必须为1或2）'})
 
+        # 图标：优先上传文件；否则可选手填相对路径（兼容旧用法）
+        tupian_url = (request.data.get('tupian_url') or '').strip()
+        image_file = request.FILES.get('file')
+        uploaded_path = None
+        if image_file:
+            uploaded_path, err = self._upload_zhuanqu_icon(image_file)
+            if err:
+                return Response({'code': 500 if err == '图片上传失败' else 400, 'msg': err})
+            tupian_url = uploaded_path
+
         try:
             with transaction.atomic():
                 from jituan.services.club_write import resolve_club_id_for_write
@@ -619,11 +647,17 @@ class ModifyProductTypeZoneView(APIView):
                     shenhezhuangtai=shenhezhuangtai,
                     paixu=0,
                     club_id=club_id,
-                    tupian_url=(request.data.get('tupian_url') or '').strip(),
+                    tupian_url=tupian_url,
                 )
-            return Response({'code': 0, 'msg': '添加成功', 'data': {'id': zhuanqu.id, 'club_id': club_id}})
+            return Response({
+                'code': 0,
+                'msg': '添加成功',
+                'data': {'id': zhuanqu.id, 'club_id': club_id, 'tupian_url': tupian_url},
+            })
         except Exception as e:
             logger.error(f"添加专区失败: {e}", exc_info=True)
+            if uploaded_path:
+                delete_from_oss(uploaded_path)
             return Response({'code': 500, 'msg': '数据库错误'})
 
     def update_zhuanqu(self, request):
@@ -671,10 +705,18 @@ class ModifyProductTypeZoneView(APIView):
             except (TypeError, ValueError):
                 return Response({'code': 400, 'msg': '审核状态无效（必须为1或2）'})
 
-        if 'tupian_url' in request.data:
+        old_image_path = getattr(zhuanqu, 'tupian_url', None) or ''
+        image_file = request.FILES.get('file')
+        uploaded_path = None
+        if image_file:
+            uploaded_path, err = self._upload_zhuanqu_icon(image_file)
+            if err:
+                return Response({'code': 500 if err == '图片上传失败' else 400, 'msg': err})
+            if uploaded_path != old_image_path:
+                changes['tupian_url'] = uploaded_path
+        elif 'tupian_url' in request.data:
             new_url = (request.data.get('tupian_url') or '').strip()
-            old_url = getattr(zhuanqu, 'tupian_url', None) or ''
-            if new_url != old_url:
+            if new_url != old_image_path:
                 changes['tupian_url'] = new_url
 
         if not changes:
@@ -685,9 +727,18 @@ class ModifyProductTypeZoneView(APIView):
                 for field, value in changes.items():
                     setattr(zhuanqu, field, value)
                 zhuanqu.save()
-            return Response({'code': 0, 'msg': '修改成功'})
+            # 换图或清空后删旧 OSS（新上传路径与旧不同时）
+            if 'tupian_url' in changes and old_image_path and old_image_path != changes['tupian_url']:
+                delete_from_oss(old_image_path)
+            return Response({
+                'code': 0,
+                'msg': '修改成功',
+                'data': {'id': zhuanqu.id, 'tupian_url': getattr(zhuanqu, 'tupian_url', '') or ''},
+            })
         except Exception as e:
             logger.error(f"更新专区失败: {e}", exc_info=True)
+            if uploaded_path:
+                delete_from_oss(uploaded_path)
             return Response({'code': 500, 'msg': '修改失败'})
 
     def delete_zhuanqu(self, request):
@@ -710,6 +761,7 @@ class ModifyProductTypeZoneView(APIView):
             if zone_club != write_club:
                 return Response({'code': 403, 'msg': '专区不属于当前俱乐部'})
 
+        old_image_path = getattr(zhuanqu, 'tupian_url', None) or ''
         with transaction.atomic():
             if delete_products:
                 Shangpin.query.filter(zhuanqu_id=zone_id).delete()
@@ -717,6 +769,9 @@ class ModifyProductTypeZoneView(APIView):
                 Shangpin.query.filter(zhuanqu_id=zone_id).update(zhuanqu_id=None)
             zhuanqu.delete()
 
+        if old_image_path:
+            delete_from_oss(old_image_path)
+
         return Response({'code': 0, 'msg': '删除成功'})