How to group Products with variation under parent product on Storefront

Shopware 6 (German) Programmierung
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1

Hi,
I’m trying to build this page :
Unbenannt
But i have no idea how to do that, because LineItems with variation are seperated and they not children.
in Twig i have tried but since LineItems are seperated and there is no id or somthnig i couldn’t do that.
i tried to add Enitity to LineItems using :

but it seems documents are not correct.
please if anyone had an idea or somthnig please share your code with details
Thank you.

2

Custom Products does something similar. With the next version the documents should support nested line items. So if you try out the current development version, it might work.

3

unfortunately i can’t use Custom Products because we have a lots of Products that already are placed in the Website.
I’m trying to do this: 1. if products have a variation and first seven productNumber are the same add a customfield to payload 2. in twig file use that customfield and using for loops and other twig functions to create my custom page

so far i tryed to create a Service :


use Shopware\Core\Checkout\Cart\Event\CartChangedEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;


class AddDataToPage implements EventSubscriberInterface
{

    public static function getSubscribedEvents()
    {
        return [CartChangedEvent::class => 'onLineItemAdded'];
    }

    /**
     * @param onLineItemAdded $event
     * @throws \Shopware\Core\Checkout\Cart\Exception\InvalidPayloadException
     */
    public function onLineItemAdded(CartChangedEvent $event)
    {
        $myCart = $event->getCart();
        $myLineItems = $myCart->getLineItems();
        $mypayload = $myLineItems->getPayload();
        
       
        foreach ($myLineItems as $lineitem) {
                $lineitem->setPayloadValue("test", array(["aaah"]));
                var_dump($lineitem);

        } 
    }
}

there is a problem here that i don’t understand.
when i use var_dump($lineitem); i see my $lineitem->setPayloadValue(„test“, array([„aaah“])); but in twig when i use dump i don’t see test in payload array.
any idea why?