def process(self):
coll = Collection(**self.data)
errors = Collection.persist_new_version(coll, self.user)
return errors or UPDATED
def create_version(self, validated_data):
collection = self.prepare_object(validated_data)
user = self.context['request'].user
errors = Collection.persist_new_version(collection, user)
self._errors.update(errors)
return collection
