gistfile1.txt

class HandList(generics.ListCreateAPIView):

    serializer_class = HandSerializer
    
    def get_queryset(self):
        return Hand.objects.all().filter(user__username=self.request.user)
        
    def perform_create(self, serializer):
        deck = None
        try:
            deck = Deck.objects.get(pk=self.request.data.get(‘deck’, {}).get(‘id’, None))
        except Deck.DoesNotExist:
            pass
        if deck:
            serializer.save(
                user=self.request.user,
                deck=deck
            )
        else:
            serializer.save(user=self.request.user)