onFlush Doctrine event

console.log

                                                                                                                                                                                                            
  An exception occurred while executing 'INSERT INTO member_product (member_id, label, date, blocked, desactivate_2fa_until, member_id_fk) VALUES (?, ?, ?, ?, ?, ?)' with params [null, "app-p2p", "2011-0  
  9-11 12:39:11", 0, "-0001-11-30 00:00:00", "3"]:                                                                                                                                                           
                                                                                                                                                                                                             
  SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'member_id' cannot be null   

MemberProduct.php

<?php

declare(strict_types=1);

namespace App\Membership\Entity;

use App\Application\Annotation\Legacy;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Table(
 *  name="member_product",
 *  uniqueConstraints={
 *     @ORM\UniqueConstraint(name="idx_fk", columns={"member_id_fk", "label"}),
 *     @ORM\UniqueConstraint(name="idx", columns={"member_id", "label"})
 *  },
 *  indexes={
 *     @ORM\Index(name="label", columns={"label"})
 * })
 * @ORM\Entity(repositoryClass="App\Membership\Repository\MemberProductRepository")
 */
class MemberProduct
{
 //...
  /**
     * @Legacy
     */
    public function replicate(): void
    {
        if ($member = $this->getMember()) {
            $this->memberId = $member->getId();
        }
    }
}

MemberProductFkListener.php

<?php

declare(strict_types=1);

namespace App\Membership\Legacy;

use App\Application\Annotation\Legacy;
use App\Membership\Entity\MemberProduct;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Event\OnFlushEventArgs;

/**
 * @Legacy
 */
class MemberProductFkListener
{
    public function onFlush(MemberProduct $product, OnFlushEventArgs $event)
    {
        dump('here'); // does not goes here
        $product->replicate();
        $entityManager = $event->getEntityManager();
        $uow = $entityManager->getUnitOfWork();
        $classMetadata = $entityManager->getClassMetadata(MemberProduct::class);
        $uow->recomputeSingleEntityChangeSet($classMetadata, $product);
    }
}

service.yaml

    App\Membership\Legacy\MemberProductFkListener:
        autowire: true
        tags:
            - { name: doctrine.orm.entity_listener, event: onFlush, entity: App\Membership\Entity\MemberProduct, lazy: true}