#    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.

from django.utils.translation import ugettext_lazy as _

import horizon

from openstack_dashboard.api import nova
from openstack_dashboard.dashboards.admin import dashboard


class Aggregates(horizon.Panel):
    name = _("Host Aggregates")
    slug = 'aggregates'
    permissions = ('openstack.services.compute',)

    def can_access(self, context):
        # extend basic permission-based check with a check to see whether
        # the Aggregates extension is even enabled in nova
        if not nova.extension_supported('Aggregates', context['request']):
            return False
        return super(Aggregates, self).can_access(context)


dashboard.Admin.register(Aggregates)
