First draft of notifications system

spa/api/v1/NotificationResource.py

@@ -0,0 +1,27 @@
+from tastypie.authentication import SessionAuthentication
+from tastypie.authorization import DjangoAuthorization
+from spa.api.v1.BackboneCompatibleResource import BackboneCompatibleResource
+from spa.models.notification import Notification
+
+
+class NotificationResource(BackboneCompatibleResource):
+    class Meta:
+        queryset = Notification.objects.order_by('-id')
+        resource_name = 'notification'
+        authentication = SessionAuthentication()
+        authorization = DjangoAuthorization()
+        always_return_data = True
+        excludes = ['accepted_date', 'id']
+
+    def authorized_read_list(self, object_list, bundle):
+        return object_list.filter(to_user=bundle.request.user)
+
+    def dehydrate(self, bundle):
+        bundle.data['user_image'] = bundle.obj.from_user.get_small_profile_image()
+        bundle.data['user_name'] = bundle.obj.from_user.get_nice_name()
+
+        return bundle
+
+    def alter_list_data_to_serialize(self, request, data):
+        data['meta']['is_new'] = Notification.objects.filter(to_user=request.user, accepted_date__isnull=True).count()
+        return data