def create(self, validated_data):
existing_option = find_existing_attribute_option_group(
validated_data["name"], validated_data["options"])
if existing_option is not None:
return existing_option
else:
options = validated_data.pop("options", None)
instance = super(AttributeOptionGroupSerializer,
self).create(validated_data)
options = bound_unique_together_get_or_create_multiple(
instance.options, options)
instance.options.set(options)
return instance
def update(self, instance, validated_data):
existing_option = find_existing_attribute_option_group(
validated_data["name"], validated_data["options"])
if existing_option is not None:
return existing_option
else:
options = validated_data.pop("options", None)
updated_instance = super(AttributeOptionGroupSerializer,
self).update(instance, validated_data)
# if the field was returned unbound,
options = bound_unique_together_get_or_create_multiple(
updated_instance.options, options)
updated_instance.options.set(options, bulk=False)
if not self.partial:
# we need to manually remove the options
updated_instance.options.exclude(
pk__in=[o.pk for o in options]).delete()
return updated_instance
