Spinejs - django-tastypie integration base ModelResource class

spine_modelresource.py

#!/usr/bin/env python 
# -*- coding: iso-8859-15 -*-
from tastypie.resources import ModelResource


class SpineFrontedResource(ModelResource):
    """A base model resource for spine-fronted models.

        * Bins the 'id' that spine sends.
        * Removes 'meta' from the list, returns only objects.

        Subclasses should set `always_return_data = True` in Meta.

        """
    def obj_create(self, bundle, request=None, **kwargs):
        """For spine, ignore the 'id' and use our own."""

        bundle.obj = self._meta.object_class()

        for key, value in kwargs.items():
            setattr(bundle.obj, key, value)

        del(bundle.data['id'])  # strip spine's id.

        bundle = self.full_hydrate(bundle)

        # Save FKs just in case.
        self.save_related(bundle)

        # Save the main object.
        bundle.obj.save()

        # Now pick up the M2M bits.
        m2m_bundle = self.hydrate_m2m(bundle)
        self.save_m2m(m2m_bundle)
        return bundle


    def get_list(self, request, **kwargs):
        """Returns serialised list of resources, without the meta crap."""

        objects = self.obj_get_list(request=request, **self.remove_api_resource_names(kwargs))
        sorted_objects = self.apply_sorting(objects, options=request.GET)

        paginator = self._meta.paginator_class(
            request.GET, sorted_objects,
            resource_uri=self.get_resource_list_uri(),
            limit=self._meta.limit)
        to_be_serialized = paginator.page()

        # Dehydrate the bundles in preparation for serialization.
        bundles = [self.build_bundle(obj=obj, request=request) for obj in to_be_serialized['objects']]
        to_be_serialized['objects'] = [self.full_dehydrate(bundle) for bundle in bundles]
        to_be_serialized = self.alter_list_data_to_serialize(request, to_be_serialized)
        # blat the meta, just return the objects
        to_be_serialized = to_be_serialized['objects']
        return self.create_response(request, to_be_serialized)