feat: 100% async - native async serializers (adata/asave/acreate), async cache (redis.asyncio), view call-site migration

message/views.py

@@ -42,9 +42,9 @@ class MessageListView(APIView):
         if msg_type == 'system':
             queryset = SystemMessage.objects.all()
 
-            def _paginate_system():
+            async def _paginate_system():
                 paginator = MessagePagination()
-                page = paginator.paginate_queryset(queryset, request)
+                page = await sync_to_async(paginator.paginate_queryset)(queryset, request)
                 read_ids = set(
                     SystemMessageRead.objects.filter(
                         user=request.user,
@@ -52,10 +52,9 @@ class MessageListView(APIView):
                     ).values_list('system_message_id', flat=True)
                 )
                 serializer = SystemMessageSerializer(page, many=True, context={'request': request, 'read_ids': read_ids})
-                return paginator.get_paginated_response(serializer.data).data
+                return paginator.get_paginated_response(await serializer.adata).data
 
-            # 兜底：DRF 分页器与 SystemMessageSerializer 内部为同步调用
-            data = await sync_to_async(_paginate_system)()
+            data = await _paginate_system()
             return create_standardized_response(data=data, code=ResponseCode.SUCCESS)
 
         valid_types = ['reply', 'at_me', 'like']
@@ -64,14 +63,13 @@ class MessageListView(APIView):
         else:
             queryset = Message.objects.filter(recipient=request.user)
 
-        def _paginate_messages():
+        async def _paginate_messages():
             paginator = MessagePagination()
-            page = paginator.paginate_queryset(queryset, request)
+            page = await sync_to_async(paginator.paginate_queryset)(queryset, request)
             serializer = MessageListSerializer(page, many=True, context={'request': request})
-            return paginator.get_paginated_response(serializer.data).data
+            return paginator.get_paginated_response(await serializer.adata).data
 
-        # 兜底：DRF 分页器与 MessageListSerializer（obj.sender 外键访问）内部为同步调用
-        data = await sync_to_async(_paginate_messages)()
+        data = await _paginate_messages()
         return create_standardized_response(data=data, code=ResponseCode.SUCCESS)
 
 
@@ -294,5 +292,5 @@ class SystemMessageDetailView(APIView):
 
         serializer = SystemMessageDetailSerializer(system_message, context={'request': request})
         # 兜底：SystemMessageDetailSerializer.get_is_read 内部有同步 ORM exists() 查询
-        data = await sync_to_async(lambda: serializer.data)()
+        data = await serializer.adata
         return create_standardized_response(data=data, code=ResponseCode.SUCCESS)