# Copyright (C) 2017-2018  Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


import ick2


class PipelineAPI(ick2.ResourceApiBase):

    def __init__(self, state):
        super().__init__('pipelines', state)

    def get_resource_name(self, resource):
        return resource.get('pipeline')

    def create(self, body, **kwargs):
        resource = self.mangle_new_resource(body)

        actions = resource.get('actions', [])
        for action in actions:
            where = action.get('where')
            if where is None:
                raise NoWhere(action)

        return super().create(body, **kwargs)


class NoWhere(Exception):

    def __init__(self, action):
        super().__init__(
            'Every action MUST specify a "where": {}'.format(action))