text: # -*- coding: utf-8 -*-
  # 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 django.db.models import Q
  
  from taiga.base.api import ModelCrudViewSet
  
  from taiga.projects.notifications.choices import NotifyLevel
  from taiga.projects.models import Project
  from . import serializers
  from . import models
  from . import permissions
  from . import services
  
  
  class NotifyPolicyViewSet(ModelCrudViewSet):
      serializer_class = serializers.NotifyPolicySerializer
      permission_classes = (permissions.NotifyPolicyPermission,)
  
      def _build_needed_notify_policies(self):
          projects = Project.objects.filter(
              Q(owner=self.request.user) |
              Q(memberships__user=self.request.user)
          ).distinct()
  
          for project in projects:
              services.create_notify_policy_if_not_exists(project, self.request.user, NotifyLevel.all)
  
      def get_queryset(self):
          if self.request.user.is_anonymous():
              return models.NotifyPolicy.objects.none()
  
          self._build_needed_notify_policies()
  
          return models.NotifyPolicy.objects.filter(user=self.request.user).filter(
              Q(project__owner=self.request.user) | Q(project__memberships__user=self.request.user)
          ).distinct()
  