Merge pull request #15 from just495/fix/sorting_attr

fix sorting

Author: Znbiz

examples/api_for_sqlalchemy/api/user.py

@@ -76,7 +76,7 @@ async def patch(cls, obj_id, data: UserPatchSchema, query_params: QueryStringMan
 class UserList:
     @classmethod
     async def get(cls, query_params: QueryStringManager, session: AsyncSession = Depends(Connector.get_session)) -> Union[Select, JSONAPIResultListSchema]:
-        user_query = select(User).order_by(desc(User.id))
+        user_query = select(User)
         dl = SqlalchemyEngine(query=user_query, schema=UserSchema, model=User, session=session)
         count, users_db = await dl.get_collection(qs=query_params)
         total_pages = count // query_params.pagination.size + (count % query_params.pagination.size and 1)

fastapi_rest_jsonapi/data_layers/sqlalchemy_engine.py

@@ -324,7 +324,7 @@ def sort_query(self, query: Select, sort_info: list) -> Select:
         :return: the sorted query.
         """
         if sort_info:
-            sorts, joins = create_sorts(self.model, sort_info, self.resource if hasattr(self, "resource") else None)
+            sorts, joins = create_sorts(self.model, sort_info, self.schema)
             for i_join in joins:
                 query = query.join(*i_join)
             for i_sort in sorts:

fastapi_rest_jsonapi/methods.py

@@ -247,6 +247,10 @@ async def wrapper(
                 '`[{"name": "timestamp", "op": "ge", "val": "2020-07-16T11:35:33.383"},'
                 '{"name": "timestamp", "op": "le", "val": "2020-07-21T11:35:33.383"}]`',
             ),
+            sort: Optional[str] = Query(
+                None, alias='sort', 
+                description="[Sorting docs](https://flask-combo-jsonapi.readthedocs.io/en/latest/sorting.html)"
+            ),
             **kwargs,
         ):
             query_params = QueryStringManager(request=request, schema=schema)