# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright (c) 2013 Rackspace Hosting
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.


class Mixin(object):
    @classmethod
    def soft_delete(cls, conn, instance_uuid, security_group_id=None):
        where_str = '`instance_uuid`=%(instance_uuid)s'
        where_kwargs = dict(instance_uuid=instance_uuid)
        if security_group_id is not None:
            where_str += ' AND `security_group_id`=%(security_group_id)s'
            where_kwargs['security_group_id'] = security_group_id
        return super(Mixin, cls).soft_delete(conn, where_str, **where_kwargs)
