def test_copy_diff_composition_version_from_composition_version(self):
diff_composition_version = DiffCompositionVersion.copy_from_version(
self.composition_version
)
self.assertEquals(diff_composition_version.tracks.count(), self.tracks_count)
self.assertEquals(
diff_composition_version.tracks.count(),
self.composition_version.tracks.count()
)
def sign_in(self, request, data, *args, **kwargs):
serializer = IsAuthenticatedSerializer(data=data)
serializer.is_valid(raise_exception=True)
composition_id = kwargs.get("composition_id")
user = self.check_composition_perms(serializer, composition_id)
if user is not None:
request.channel_session["user"] = user.id
Group(self.COMPOSITION_GROUP_TEMPLATE % composition_id).add(request.reply_channel)
composition = Composition.objects.get(id=composition_id)
diff_version = composition.diff_versions.last()
if diff_version is None:
composition_version = composition.versions.order_by("create_datetime").last()
diff_version = DiffCompositionVersion.copy_from_version(composition_version)
self.route_send(request.reply_channel, DiffCompositionVersionSerializer(diff_version).data)
else:
raise PermissionDenied
