def update(self, instance, validated_data):
errors = Mapping.create_new_version_for(
instance, validated_data,
self.context.get('request').user)
if errors:
self._errors.update(errors)
return instance
def process(self):
if self.version:
instance = self.get_queryset().first().clone()
errors = Mapping.create_new_version_for(instance, self.data,
self.user)
return errors or UPDATED
instance = Mapping.persist_new(self.data, self.user)
if instance.id:
return CREATED
return instance.errors or FAILED