views.py 文件源码

def orderline_cancel(request, order_pk, line_pk):
    order = get_object_or_404(Order, pk=order_pk)
    item = get_object_or_404(OrderedItem.objects.filter(
        delivery_group__order=order), pk=line_pk)
    form = CancelItemsForm(data=request.POST or None, item=item)
    status = 200
    if form.is_valid():
        msg = pgettext_lazy(
            'Dashboard message related to an order line',
            'Cancelled item %s') % item
        with transaction.atomic():
            form.cancel_item()
            order.create_history_entry(comment=msg, user=request.user)
            messages.success(request, msg)
        return redirect('dashboard:order-details', order_pk=order.pk)
    elif form.errors:
        status = 400
    ctx = {'order': order, 'item': item, 'form': form}
    return TemplateResponse(
        request, 'dashboard/order/modal/cancel_line.html',
        ctx, status=status)