get queryset

1users = UserClasses.objects.filter(class_id=data['class_id'])
2user_details = User.objects.filter(id__in=users.values_list('id', flat=True))

1class PurchaseList(generics.ListAPIView):
2    serializer_class = PurchaseSerializer
3
4    def get_queryset(self):
5        """
6        Optionally restricts the returned purchases to a given user,
7        by filtering against a `username` query parameter in the URL.
8        """
9        queryset = Purchase.objects.all()
10        username = self.request.query_params.get('username', None)
11        if username is not None:
12            queryset = queryset.filter(purchaser__username=username)
13        return queryset

1from myapp.models import Purchase
2from myapp.serializers import PurchaseSerializer
3from rest_framework import generics
4
5class PurchaseList(generics.ListAPIView):
6    serializer_class = PurchaseSerializer
7
8    def get_queryset(self):
9        """
10        This view should return a list of all the purchases
11        for the currently authenticated user.
12        """
13        user = self.request.user
14        return Purchase.objects.filter(purchaser=user)