nk20/apps/treasury/apps.py

34 lines
1.3 KiB
Python

# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from django.apps import AppConfig
from django.db.models import Q
from django.db.models.signals import post_save, post_migrate
from django.utils.translation import gettext_lazy as _
class TreasuryConfig(AppConfig):
name = 'treasury'
verbose_name = _('Treasury')
def ready(self):
"""
Define app internal signals to interact with other apps
"""
from . import signals
from note.models import SpecialTransaction, NoteSpecial
from treasury.models import SpecialTransactionProxy
post_save.connect(signals.save_special_transaction, sender=SpecialTransaction)
def setup_specialtransactions_proxies(**kwargs):
# If the treasury app was disabled for any reason during a certain amount of time,
# we ensure that each special transaction is linked to a proxy
for transaction in SpecialTransaction.objects.filter(
source__in=NoteSpecial.objects.filter(~Q(remittancetype=None)),
specialtransactionproxy=None,
):
SpecialTransactionProxy.objects.create(transaction=transaction, remittance=None)
post_migrate.connect(setup_specialtransactions_proxies, sender=SpecialTransactionProxy)