from __future__ import unicode_literals

from django.db import transaction

from mayan.apps.user_management.events import event_group_edited


def method_group_roles_add(self, queryset, _user):
    with transaction.atomic():
        event_group_edited.commit(
            actor=_user, target=self
        )
        for role in queryset:
            self.roles.add(role)


def method_group_roles_remove(self, queryset, _user):
    with transaction.atomic():
        event_group_edited.commit(
            actor=_user, target=self
        )
        for role in queryset:
            self.roles.remove(role)