def _apply_params(self, cursor: Cursor):
cursor.skip(self._offset)
if self._limit is not None:
cursor.limit(self._limit)
if len(self._order_by) > 0:
order_by = [
(column, DESCENDING if desc else ASCENDING)
for column, desc in self._order_by
]
cursor.sort(order_by)
return cursor
def limit_data(data: Cursor, request_params: dict) -> list:
''' Limits the number of results in a response based on the parameters sent in an HTTP request.
--> data : The cursor of data to apply the limit to.
--> request_params : The parameters sent with the request (in querystring or body).
<-- A queryset containing the limited data.
'''
mongo_limit = int(request_params.get('limit', 0))
if mongo_limit:
return data.limit(mongo_limit)
return data
def paginate(cursor: Cursor, *, offset: int, limit: int) -> Cursor:
if offset:
cursor = cursor.skip(offset)
if limit is not None:
cursor = cursor.limit(limit)
return cursor
