views.py 文件源码

def orderline_split(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 = MoveItemsForm(request.POST or None, item=item)
    line_pk = None
    if item:
        line_pk = item.pk
    status = 200
    if form.is_valid():
        old_group = item.delivery_group
        how_many = form.cleaned_data['quantity']
        with transaction.atomic():
            target_group = form.move_items()
        if not old_group.pk:
            old_group = pgettext_lazy(
                'Dashboard message related to a delivery group',
                'removed group')
        msg = pgettext_lazy(
            'Dashboard message related to delivery groups',
            'Moved %(how_many)s items %(item)s from %(old_group)s'
            ' to %(new_group)s') % {
                'how_many': how_many, 'item': item, 'old_group': old_group,
                'new_group': target_group}
        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, 'object': item, 'form': form, 'line_pk': line_pk}
    template = 'dashboard/order/modal/split_order_line.html'
    return TemplateResponse(request, template, ctx, status=status)