class LendListModelMixin:
    """
    List a queryset.
    """
    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        page = self.paginate_queryset(queryset)
        if page is not None:
            output_serializer = self.get_output_serializer(page, many=True)
            return self.get_paginated_response(output_serializer .data)

        output_serializer = self.get_output_serializer(queryset, many=True)
        return Response(output_serializer.data)

class LendGenericViewSet(GenericViewSet):

    output_serializer_class = None

    def get_output_serializer(self, *args, **kwargs):
        """
        Return the output serializer instance that should be used for serializing output.
        """
        serializer_class = self.get_output_serializer_class()
        kwargs.setdefault('context', self.get_serializer_context())
        return serializer_class(*args, **kwargs)
    
    def get_output_serializer_class(self): 
        """
        Return the class to use for the output serializer.
        Defaults to using `self.serializer_class`.

        You may want to override this if you need to provide different
        serializations depending on the incoming request.

        (Eg. admins get full serialization, others get basic serialization)
        """
        assert self.output_serializer_class is not None, (
            "'%s' should either include a `output_serializer_class` attribute, "
            "or override the `get_output_serializer_class()` method."
            % self.__class__.__name__
        )

        return self.output_serializer_class

class LendSchema(AutoSchema):
    def get_response_serializers(self) -> typing.Any:
        view = self.view
        if isinstance(view, LendModelViewSet):
        # try to circumvent queryset issues with calling get_serializer. if view has NOT
            # overridden get_serializer, its safe to use get_serializer_class.
            if view.__class__.get_serializer == GenericAPIView.get_serializer:
                return view.get_output_serializer_class()
            return view.get_serializer()
        else:
            return super().get_response_serializers()