nullable embeddable subscriber

NullableEmbeddableSubscriber.php

<?php

/*

in config/services.yml

add     # Doctrine listenes
    App\EventSubscriber\NullableEmbeddableSubscriber:
        tags:
            - name: 'doctrine.event_subscriber'
*/
namespace App\EventSubscriber;

use App\Contracts\ContainsNullableEmbeddableInterface;
use App\Contracts\NullableEmbeddableInterface;
use App\Entity\Address;
use Doctrine\Common\EventSubscriber;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Events;
use ReflectionObject;

/**
 * class NullableEmbeddableSubscriber
 */
final class NullableEmbeddableSubscriber implements EventSubscriber
{
    /**
     * @return array
     */
    public function getSubscribedEvents(): array
    {
        return [
            Events::postLoad
        ];
    }

    /**
     * @param LifecycleEventArgs $args
     * @return void
     */
    public function postLoad(LifecycleEventArgs $args): void
    {
        $entity = $args->getObject();

        if ($entity instanceof ContainsNullableEmbeddableInterface) {
            $objectReflection = new ReflectionObject($entity);
            foreach ($objectReflection->getProperties() as $property) {
                $attributes = $property->getAttributes();
                foreach ($attributes as $attribute) {
                    if (str_contains($attribute->getName(), 'Embedded')) {
                        $property->setAccessible(true);
                        $value = $property->getValue($entity);
                        if (($value instanceof NullableEmbeddableInterface) && $this->allPropertiesAreNull($value)) {
                            $property->setValue($entity, null);
                        }
                    }
                }
            }
        }
    }

    /**
     * @param NullableEmbeddableInterface $object
     * @return bool
     */
    private function allPropertiesAreNull(NullableEmbeddableInterface $object): bool
    {
        $objectReflection = new ReflectionObject($object);
        foreach ($objectReflection->getProperties() as $property) {
            $property->setAccessible(true);
            if (null !== $property->getValue($object)) {
                return false;
            }
        }

        return true;
    }
}