# Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.nz>
# Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
# Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
# 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/>.

from taiga.base.api.permissions import TaigaResourcePermission
from taiga.base.api.permissions import IsAuthenticated
from taiga.base.api.permissions import PermissionComponent


class ApplicationPermission(TaigaResourcePermission):
    retrieve_perms = IsAuthenticated()
    token_perms = IsAuthenticated()
    list_perms = IsAuthenticated()


class CanUseToken(PermissionComponent):
    def check_permissions(self, request, view, obj=None):
        if not obj:
            return False

        return request.user == obj.user


class ApplicationTokenPermission(TaigaResourcePermission):
    retrieve_perms = IsAuthenticated() & CanUseToken()
    by_application_perms = IsAuthenticated()
    create_perms = IsAuthenticated()
    update_perms = IsAuthenticated() & CanUseToken()
    partial_update_perms = IsAuthenticated() & CanUseToken()
    destroy_perms = IsAuthenticated() & CanUseToken()
    list_perms = IsAuthenticated()
