Stub for Tastypie ManyToMany and passing request user to Django to do custom filtering.

tastypie-m2m.py

'''
I've received several requests for examples of my pull request for tastypie.
https://github.com/toastdriven/django-tastypie/pull/214
'''
# in your models.py for instance:

class TimeLogManager( models.Manager ):
    use_for_related_fields = True

    def for_user(self, user):
        qs = self.get_query_set()

        # user may see activities:
        qs = qs.filter(
                # - he owns
                activity__person__user=user
            ).distinct()

        # select those related fields we already know we need
        qs = qs.select_related('activity', 'activity__deliverable')

        return qs

    # ... field definitions


class TimeLog( UserModel ):

    objects = TimeLogManager()

    # other fields go here...


# in api/resources.py (or where you define your api) for instance:

class TimeLogResource( NamespacedModelResource ):

    # define your fields here...

    class Meta:
        queryset = TimeLog.objects.none()
        resource_name = 'timelog'
        pass_request_user_to_django = True
        # ... other stuff


# And you need to create an overloaded version of NamespacedModelResource that contains a custom get_object_list that accepts a request parameter:

class NamespacedModelResource( NamespacedModelResource ):

    def get_object_list(self, request):
        # Our models have a custom manager 'for_user' that returns
        # all the objects the current request.user may view.
        if request and hasattr(request, 'user'):
            return self._meta.queryset.model.objects.for_user(request.user)
        else:
            return self._meta.queryset