def pendinginvoices_cancel(request, urlname, invoiceid):
conference = get_authenticated_conference(request, urlname)
invoice = get_object_or_404(Invoice, pk=invoiceid, paidat__isnull=True)
# Have to verify that this invoice is actually for this conference
if not (
ConferenceRegistration.objects.filter(conference=conference, invoice=invoice).exists() or
BulkPayment.objects.filter(conference=conference, invoice=invoice).exists() or
Sponsor.objects.filter(conference=conference, invoice=invoice).exists()
):
raise PermissionDenied("Invoice not for this conference")
if request.method == 'POST':
form = ConferenceInvoiceCancelForm(data=request.POST)
if form.is_valid():
manager = InvoiceManager()
try:
manager.cancel_invoice(invoice, form.cleaned_data['reason'], request.user.username)
messages.info(request, 'Invoice {} canceled.'.format(invoice.id))
return HttpResponseRedirect('../../')
except Exception as e:
messages.error(request, 'Failed to cancel invoice: {}'.format(e))
else:
form = ConferenceInvoiceCancelForm()
return render(request, 'confreg/admin_backend_form.html', {
'conference': conference,
'basetemplate': 'confreg/confadmin_base.html',
'form': form,
'whatverb': 'Cancel invoice',
'savebutton': 'Cancel invoice',
'cancelname': 'Return without canceling',
'cancelurl': '../../',
'note': 'Canceling invoice #{} ({}) will disconnect it from the associated objects and send a notification to the recipient of the invoice ({}).'.format(invoice.id, invoice.title, invoice.recipient_name),
})
def handle(self, *args, **options):
invoices = Invoice.objects.filter(finalized=True, deleted=False, paidat__isnull=True, canceltime__lt=datetime.now())
manager = InvoiceManager()
for invoice in invoices:
self.stdout.write("Canceling invoice {0}, expired".format(invoice.id))
# The manager will automatically cancel any registrations etc,
# as well as send an email to the user.
manager.cancel_invoice(invoice,
"Invoice was automatically canceled because payment was not received on time.")