combo/combo/apps/lingo/__init__.py

103 lines
3.8 KiB
Python

# lingo - basket and payment system
# Copyright (C) 2015 Entr'ouvert
#
# 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/>.
import datetime
import logging
import django.apps
import eopayment
from django.db import transaction
from django.db.models.signals import post_migrate
from django.urls import reverse
from django.utils import timezone
from django.utils.translation import gettext_lazy as _
class AppConfig(django.apps.AppConfig):
name = 'combo.apps.lingo'
verbose_name = _('Payment')
def ready(self):
post_migrate.connect(self.post_migrate_handler, sender=self)
def post_migrate_handler(self, **kwargs):
from .models import PaymentBackend
with transaction.atomic():
for payment_backend in PaymentBackend.objects.all():
service_options = payment_backend.service_options
transaction_options = {}
for parameter in payment_backend.eopayment.get_parameters(scope='transaction'):
name = parameter['name']
if name in service_options:
transaction_options[name] = service_options.pop(name)
if not transaction_options:
continue
payment_backend.save()
for regie in payment_backend.regie_set.all():
# merge old values in new transactions options
regie.transaction_options = dict(transaction_options, **regie.transaction_options)
regie.save()
def get_before_urls(self):
from . import urls
return urls.urlpatterns
def get_extra_manager_actions(self):
return [{'href': reverse('lingo-manager-homepage'), 'text': _('Online Payment')}]
def hourly(self):
self.update_transactions()
self.notify_payments()
def update_transactions(self):
from .models import EXPIRED, Transaction
logger = logging.getLogger(__name__)
now = timezone.now()
to_expire = Transaction.objects.filter(
start_date__lt=now - datetime.timedelta(hours=1), end_date__isnull=True
)
for transaction in to_expire:
logger.info('transaction %r is expired', transaction.order_id)
transaction.status = EXPIRED
transaction.save()
to_retry = Transaction.objects.filter(
status__in=(eopayment.PAID, eopayment.ACCEPTED),
to_be_paid_remote_items__isnull=False,
start_date__gt=now - datetime.timedelta(days=4),
)
for transaction in to_retry:
transaction.retry_notify_remote_items_of_payments()
def notify_payments(self):
from combo.apps.lingo.models import BasketItem
logger = logging.getLogger(__name__)
now = timezone.now()
for item in BasketItem.objects.filter(
notification_date__isnull=True,
cancellation_date__isnull=True,
payment_date__lt=now - datetime.timedelta(minutes=5),
payment_date__gt=now - datetime.timedelta(minutes=300),
):
try:
item.notify_payment()
except Exception:
logger.exception('error in async notification for basket item %s', item.id)