Sith/counter/signals.py

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# -*- coding:utf-8 -*
#
# Copyright 2019
# - Sli <antoine@bartuccio.fr>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# 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.db.models.signals import pre_delete
from django.dispatch import receiver
from django.conf import settings
from core.middleware import get_signal_request
from core.models import OperationLog
from counter.models import Selling, Refilling, Counter
def write_log(instance, operation_type):
def get_user():
request = get_signal_request()
if not request:
return None
# Get a random barmen if deletion is from a counter
session = getattr(request, "session", {})
session_token = session.get("counter_token", None)
if session_token:
counter = Counter.objects.filter(token=session_token).first()
if counter and len(counter.get_barmen_list()) > 0:
return counter.get_random_barman()
# Get the current logged user if not from a counter
if request.user and not request.user.is_anonymous:
return request.user
# Return None by default
return None
log = OperationLog(
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label=str(instance),
operator=get_user(),
operation_type=operation_type,
).save()
@receiver(pre_delete, sender=Refilling, dispatch_uid="write_log_refilling_deletion")
def write_log_refilling_deletion(sender, instance, **kwargs):
write_log(instance, "REFILLING_DELETION")
@receiver(pre_delete, sender=Selling, dispatch_uid="write_log_refilling_deletion")
def write_log_selling_deletion(sender, instance, **kwargs):
write_log(instance, "SELLING_DELETION")