Commit 978b8911 authored by Skia's avatar Skia

Add a cache clearing mechanism to fix rights update problems

Signed-off-by: Skia's avatarSkia <>
parent 22330e6d
Pipeline #1007 passed with stage
in 4 minutes and 29 seconds
......@@ -22,3 +22,4 @@
default_app_config = 'core.apps.SithConfig'
# -*- coding:utf-8 -*
# Copyright 2017
# - Skia <>
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a 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 General Public License for more
# details.
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
from django.apps import AppConfig
from django.dispatch import receiver
from django.db.models.signals import pre_save, post_save, m2m_changed
class SithConfig(AppConfig):
name = 'core'
verbose_name = "Core app of the Sith"
def ready(self):
from core.models import User, Group
from club.models import Club, Membership
from forum.models import Forum
def clear_cached_groups(sender, **kwargs):
if kwargs['model'] == Group:
User._group_ids = {}
User._group_name = {}
def clear_cached_memberships(sender, **kwargs):
User._club_memberships = {}
Club._memberships = {}
Forum._club_memberships = {}
print("Connecting signals!")
m2m_changed.connect(clear_cached_groups, weak=False, dispatch_uid="clear_cached_groups")
post_save.connect(clear_cached_memberships, weak=False, sender=Membership, # Membership is cached
post_save.connect(clear_cached_memberships, weak=False, sender=Club, # Club has a cache of Membership
post_save.connect(clear_cached_memberships, weak=False, sender=Forum, # Forum has a cache of Membership
# TODO: there may be a need to add more cache clearing
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