def test_reverse_whole_session():
session = cashdesk_session_before_factory()
pp = preorder_position_factory(paid=True)
trans = transaction_factory(session)
transaction_position_factory(transaction=trans, product=product_factory(items=True))
pos = redeem_preorder_ticket(secret=pp.secret)
pos.transaction = trans
pos.save()
assert is_redeemed(pp)
reverse_session(session)
assert not is_redeemed(pp)
def reverse_session_view(request: HttpRequest, pk: int) -> Union[HttpRequest, HttpResponseRedirect]:
session = get_object_or_404(CashdeskSession, pk=pk)
if request.method == 'POST':
try:
reverse_session(session)
except FlowError as e:
messages.error(request, str(e))
else:
messages.success(request, _('All transactions in the session have been cancelled.'))
return redirect('backoffice:session-detail', pk=pk)
elif request.method == 'GET':
return render(request, 'backoffice/reverse_session.html', {
'session': session,
})