def relation_instances(self,
item,
attribute,
target_resource,
page=None,
per_page=None):
query = getattr(item, attribute)
if page and per_page:
# TODO see if this can be better done in one query
return Pagination(query.paginate(page, per_page), page, per_page,
query.count())
return query
def paginated_instances(self, page, per_page, where=None, sort=None):
query = self.instances(where, sort)
# TODO see if this can be better done in one query
return Pagination(query.paginate(page, per_page), page, per_page,
query.count())
