django query set and code example
Example 1: pass in queryset as filter django
users = UserClasses.objects.filter(class_id=data['class_id'])
user_details = User.objects.filter(id__in=users.values_list('id', flat=True))
Example 2: get queryset
class PurchaseList(generics.ListAPIView):
serializer_class = PurchaseSerializer
def get_queryset(self):
"""
Optionally restricts the returned purchases to a given user,
by filtering against a `username` query parameter in the URL.
"""
queryset = Purchase.objects.all()
username = self.request.query_params.get('username', None)
if username is not None:
queryset = queryset.filter(purchaser__username=username)
return queryset