gistfile1.py

class AchievementStatusViewSet(viewsets.ModelViewSet):
    queryset = api_models.AchievementStatus.objects.all()
    serializer_class = api_serializers.AchievementStatusSerializer
    filter_fields = ('achievement', 'status', 'owner')

    def create(self, request, pk=None):
        type = 'new_objective' if (request.DATA['status'] == 'objective') else 'achievement_unlocked'
        activity = api_models.PlayerActivity.objects.create(owner=request.user,
                                                            type=type)
        activity.achievement_statuses.add(what)
        return Response(self.get_serializer().data)

# note: manytomany relations cannot be added during the "create", that's why I use an "add" after
# searching for "what", want the achievement status that has just been created and is about to be returned
# tried:
# self.get_serializer().data, but unhashable type: 'SortedDictWithMetadata'
# pk, but is = None
# request.DATA, but unhashable type: 'QueryDict'
# self.model, but is = None