views.py 文件源码

def product_image_edit(request, product_pk, img_pk=None):
    product = get_object_or_404(Product, pk=product_pk)
    if img_pk:
        product_image = get_object_or_404(product.images, pk=img_pk)
    else:
        product_image = ProductImage(product=product)
    form = forms.ProductImageForm(
        request.POST or None, request.FILES or None, instance=product_image)
    if form.is_valid():
        product_image = form.save()
        if img_pk:
            msg = pgettext_lazy(
                'Dashboard message',
                'Updated image %s') % product_image.image.name
        else:
            msg = pgettext_lazy(
                'Dashboard message',
                'Added image %s') % product_image.image.name
        messages.success(request, msg)
        return redirect('dashboard:product-image-list', product_pk=product.pk)
    ctx = {'form': form, 'product': product, 'product_image': product_image}
    return TemplateResponse(
        request,
        'dashboard/product/product_image/form.html',
        ctx)