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pretix_original/src/pretix/base/services/datasync.py
2025-10-10 15:49:22 +02:00

107 lines
3.9 KiB
Python

#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-today pretix GmbH and contributors
#
# 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 in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# 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
# <https://www.gnu.org/licenses/>.
#
import logging
from datetime import timedelta
from itertools import groupby
from django.db.models import F, Window
from django.db.models.functions import RowNumber
from django.dispatch import receiver
from django.utils.timezone import now
from django_scopes import scope, scopes_disabled
from pretix.base.datasync.datasync import datasync_providers
from pretix.base.models.datasync import OrderSyncQueue
from pretix.base.services.tasks import TransactionAwareTask
from pretix.base.signals import periodic_task
from pretix.celery_app import app
logger = logging.getLogger(__name__)
@receiver(periodic_task, dispatch_uid="data_sync_periodic_sync_all")
def periodic_sync_all(sender, **kwargs):
sync_all.apply_async()
@receiver(periodic_task, dispatch_uid="data_sync_periodic_reset_in_flight")
def periodic_reset_in_flight(sender, **kwargs):
for sq in OrderSyncQueue.objects.filter(
in_flight=True,
in_flight_since__lt=now() - timedelta(minutes=20),
):
sq.set_sync_error('timeout', [], 'Timeout')
def run_sync(queue):
grouped = groupby(sorted(queue, key=lambda q: (q.sync_provider, q.event.pk)), lambda q: (q.sync_provider, q.event))
for (target, event), queued_orders in grouped:
target_cls, meta = datasync_providers.get(identifier=target, active_in=event)
if not target_cls:
# sync plugin not found (plugin deactivated or uninstalled) -> drop outstanding jobs
num_deleted, _ = OrderSyncQueue.objects.filter(pk__in=[sq.pk for sq in queued_orders]).delete()
logger.info("Deleted %d queue entries from %r because plugin %s inactive", num_deleted, event, target)
continue
with scope(organizer=event.organizer):
with target_cls(event=event) as p:
p.sync_queued_orders(queued_orders)
@app.task()
def sync_all():
with scopes_disabled():
queue = (
OrderSyncQueue.objects
.filter(
in_flight=False,
not_before__lt=now(),
need_manual_retry__isnull=True,
)
.order_by(Window(
expression=RowNumber(),
partition_by=[F("event_id")],
order_by="not_before",
))
.prefetch_related("event")
[:1000]
)
run_sync(queue)
@app.task(base=TransactionAwareTask)
def sync_single(queue_item_id: int):
with scopes_disabled():
queue = (
OrderSyncQueue.objects
.filter(
pk=queue_item_id,
in_flight=False,
not_before__lt=now(),
need_manual_retry__isnull=True,
)
.prefetch_related("event")
)
run_sync(queue)