mirror of
https://github.com/pretix/pretix.git
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278 lines
12 KiB
Python
278 lines
12 KiB
Python
import logging
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from decimal import Decimal
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from django.db import transaction
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from django.db.models import Count, Exists, IntegerField, OuterRef, Subquery
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from i18nfield.strings import LazyI18nString
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from pretix.base.decimal import round_decimal
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from pretix.base.email import get_email_context
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from pretix.base.i18n import language
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from pretix.base.models import (
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Event, InvoiceAddress, Order, OrderFee, OrderPosition, OrderRefund,
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SubEvent, User, WaitingListEntry,
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)
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from pretix.base.services.locking import LockTimeoutException
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from pretix.base.services.mail import SendMailException, TolerantDict, mail
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from pretix.base.services.orders import (
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OrderChangeManager, OrderError, _cancel_order, _try_auto_refund,
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)
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from pretix.base.services.tasks import ProfiledEventTask
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from pretix.celery_app import app
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logger = logging.getLogger(__name__)
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def _send_wle_mail(wle: WaitingListEntry, subject: LazyI18nString, message: LazyI18nString, subevent: SubEvent):
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with language(wle.locale):
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email_context = get_email_context(event_or_subevent=subevent or wle.event, event=wle.event)
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try:
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mail(
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wle.email,
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str(subject).format_map(TolerantDict(email_context)),
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message,
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email_context,
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wle.event,
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locale=wle.locale
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)
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except SendMailException:
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logger.exception('Waiting list canceled email could not be sent')
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def _send_mail(order: Order, subject: LazyI18nString, message: LazyI18nString, subevent: SubEvent,
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refund_amount: Decimal, user: User, positions: list):
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with language(order.locale):
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try:
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ia = order.invoice_address
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except InvoiceAddress.DoesNotExist:
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ia = InvoiceAddress(order=order)
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email_context = get_email_context(event_or_subevent=subevent or order.event, refund_amount=refund_amount,
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order=order, position_or_address=ia, event=order.event)
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real_subject = str(subject).format_map(TolerantDict(email_context))
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try:
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order.send_mail(
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real_subject, message, email_context,
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'pretix.event.order.email.event_canceled',
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user,
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)
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except SendMailException:
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logger.exception('Order canceled email could not be sent')
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for p in positions:
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if subevent and p.subevent_id != subevent.id:
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continue
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if p.addon_to_id is None and p.attendee_email and p.attendee_email != order.email:
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real_subject = str(subject).format_map(TolerantDict(email_context))
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email_context = get_email_context(event_or_subevent=p.subevent or order.event,
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event=order.event,
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refund_amount=refund_amount,
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position_or_address=p,
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order=order, position=p)
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try:
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order.send_mail(
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real_subject, message, email_context,
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'pretix.event.order.email.event_canceled',
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position=p,
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user=user
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)
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except SendMailException:
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logger.exception('Order canceled email could not be sent to attendee')
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@app.task(base=ProfiledEventTask, bind=True, max_retries=5, default_retry_delay=1, throws=(OrderError,))
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def cancel_event(self, event: Event, subevent: int, auto_refund: bool,
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keep_fee_fixed: str, keep_fee_per_ticket: str, keep_fee_percentage: str, keep_fees: list=None,
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manual_refund: bool=False, send: bool=False, send_subject: dict=None, send_message: dict=None,
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send_waitinglist: bool=False, send_waitinglist_subject: dict={}, send_waitinglist_message: dict={},
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user: int=None, refund_as_giftcard: bool=False, giftcard_expires=None, giftcard_conditions=None,
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subevents_from: str=None, subevents_to: str=None):
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send_subject = LazyI18nString(send_subject)
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send_message = LazyI18nString(send_message)
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send_waitinglist_subject = LazyI18nString(send_waitinglist_subject)
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send_waitinglist_message = LazyI18nString(send_waitinglist_message)
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if user:
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user = User.objects.get(pk=user)
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s = OrderPosition.objects.filter(
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order=OuterRef('pk')
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).order_by().values('order').annotate(k=Count('id')).values('k')
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orders_to_cancel = event.orders.annotate(pcnt=Subquery(s, output_field=IntegerField())).filter(
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status__in=[Order.STATUS_PAID, Order.STATUS_PENDING, Order.STATUS_EXPIRED],
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pcnt__gt=0
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).all()
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if subevent or subevents_from:
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if subevent:
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subevents = event.subevents.filter(pk=subevent)
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subevent = subevents.first()
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subevent_ids = {subevent.pk}
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else:
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subevents = event.subevents.filter(date_from__gte=subevents_from, date_from__lt=subevents_to)
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subevent_ids = set(subevents.values_list('id', flat=True))
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has_subevent = OrderPosition.objects.filter(order_id=OuterRef('pk')).filter(
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subevent__in=subevents
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)
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has_other_subevent = OrderPosition.objects.filter(order_id=OuterRef('pk')).exclude(
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subevent__in=subevents
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)
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orders_to_change = orders_to_cancel.annotate(
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has_subevent=Exists(has_subevent),
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has_other_subevent=Exists(has_other_subevent),
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).filter(
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has_subevent=True, has_other_subevent=True
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)
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orders_to_cancel = orders_to_cancel.annotate(
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has_subevent=Exists(has_subevent),
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has_other_subevent=Exists(has_other_subevent),
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).filter(
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has_subevent=True, has_other_subevent=False
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)
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for se in subevents:
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se.log_action(
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'pretix.subevent.canceled', user=user,
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)
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se.active = False
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se.save(update_fields=['active'])
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se.log_action(
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'pretix.subevent.changed', user=user, data={'active': False, '_source': 'cancel_event'}
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)
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else:
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subevents = None
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subevent_ids = set()
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orders_to_change = event.orders.none()
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event.log_action(
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'pretix.event.canceled', user=user,
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)
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for i in event.items.filter(active=True):
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i.active = False
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i.save(update_fields=['active'])
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i.log_action(
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'pretix.event.item.changed', user=user, data={'active': False, '_source': 'cancel_event'}
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)
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failed = 0
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total = orders_to_cancel.count() + orders_to_change.count()
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qs_wl = event.waitinglistentries.filter(voucher__isnull=True).select_related('subevent')
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if subevents:
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qs_wl = qs_wl.filter(subevent__in=subevents)
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if send_waitinglist:
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total += qs_wl.count()
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counter = 0
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self.update_state(
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state='PROGRESS',
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meta={'value': 0}
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)
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for o in orders_to_cancel.only('id', 'total').iterator():
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try:
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fee = Decimal('0.00')
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fee_sum = Decimal('0.00')
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keep_fee_objects = []
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if keep_fees:
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for f in o.fees.all():
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if f.fee_type in keep_fees:
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fee += f.value
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keep_fee_objects.append(f)
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fee_sum += f.value
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if keep_fee_percentage:
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fee += Decimal(keep_fee_percentage) / Decimal('100.00') * (o.total - fee_sum)
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if keep_fee_fixed:
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fee += Decimal(keep_fee_fixed)
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if keep_fee_per_ticket:
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for p in o.positions.all():
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if p.addon_to_id is None:
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fee += min(p.price, Decimal(keep_fee_per_ticket))
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fee = round_decimal(min(fee, o.payment_refund_sum), event.currency)
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_cancel_order(o.pk, user, send_mail=False, cancellation_fee=fee, keep_fees=keep_fee_objects)
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refund_amount = o.payment_refund_sum
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try:
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if auto_refund:
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_try_auto_refund(o.pk, manual_refund=manual_refund, allow_partial=True,
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source=OrderRefund.REFUND_SOURCE_ADMIN, refund_as_giftcard=refund_as_giftcard,
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giftcard_expires=giftcard_expires, giftcard_conditions=giftcard_conditions)
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finally:
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if send:
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_send_mail(o, send_subject, send_message, subevent, refund_amount, user, o.positions.all())
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counter += 1
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if not self.request.called_directly and counter % max(10, total // 100) == 0:
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self.update_state(
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state='PROGRESS',
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meta={'value': round(counter / total * 100, 2)}
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)
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except LockTimeoutException:
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logger.exception("Could not cancel order")
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failed += 1
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except OrderError:
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logger.exception("Could not cancel order")
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failed += 1
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for o in orders_to_change.values_list('id', flat=True).iterator():
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with transaction.atomic():
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o = event.orders.select_for_update().get(pk=o)
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total = Decimal('0.00')
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fee = Decimal('0.00')
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positions = []
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ocm = OrderChangeManager(o, user=user, notify=False)
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for p in o.positions.all():
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if p.subevent_id in subevent_ids:
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total += p.price
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ocm.cancel(p)
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positions.append(p)
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if keep_fee_per_ticket:
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if p.addon_to_id is None:
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fee += min(p.price, Decimal(keep_fee_per_ticket))
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if keep_fee_fixed:
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fee += Decimal(keep_fee_fixed)
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if keep_fee_percentage:
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fee += Decimal(keep_fee_percentage) / Decimal('100.00') * total
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fee = round_decimal(min(fee, o.payment_refund_sum), event.currency)
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if fee:
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f = OrderFee(
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fee_type=OrderFee.FEE_TYPE_CANCELLATION,
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value=fee,
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order=o,
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tax_rule=o.event.settings.tax_rate_default,
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)
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f._calculate_tax()
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ocm.add_fee(f)
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ocm.commit()
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refund_amount = o.payment_refund_sum - o.total
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if auto_refund:
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_try_auto_refund(o.pk, manual_refund=manual_refund, allow_partial=True,
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source=OrderRefund.REFUND_SOURCE_ADMIN, refund_as_giftcard=refund_as_giftcard,
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giftcard_expires=giftcard_expires, giftcard_conditions=giftcard_conditions)
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if send:
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_send_mail(o, send_subject, send_message, subevent, refund_amount, user, positions)
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counter += 1
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if not self.request.called_directly and counter % max(10, total // 100) == 0:
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self.update_state(
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state='PROGRESS',
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meta={'value': round(counter / total * 100, 2)}
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)
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if send_waitinglist:
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for wle in qs_wl:
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_send_wle_mail(wle, send_waitinglist_subject, send_waitinglist_message, wle.subevent)
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counter += 1
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if not self.request.called_directly and counter % max(10, total // 100) == 0:
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self.update_state(
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state='PROGRESS',
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meta={'value': round(counter / total * 100, 2)}
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)
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return failed
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