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TreeEventSubscriber.php
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TreeEventSubscriber.php
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<?php
declare(strict_types=1);
namespace Knp\DoctrineBehaviors\EventSubscriber;
use Doctrine\Bundle\DoctrineBundle\EventSubscriber\EventSubscriberInterface;
use Doctrine\ORM\Event\LoadClassMetadataEventArgs;
use Doctrine\ORM\Events;
use Knp\DoctrineBehaviors\Contract\Entity\TreeNodeInterface;
final class TreeEventSubscriber implements EventSubscriberInterface
{
public function loadClassMetadata(LoadClassMetadataEventArgs $loadClassMetadataEventArgs): void
{
$classMetadata = $loadClassMetadataEventArgs->getClassMetadata();
if ($classMetadata->reflClass === null) {
// Class has not yet been fully built, ignore this event
return;
}
if (! is_a($classMetadata->reflClass->getName(), TreeNodeInterface::class, true)) {
return;
}
if ($classMetadata->hasField('materializedPath')) {
return;
}
$classMetadata->mapField([
'fieldName' => 'materializedPath',
'type' => 'string',
'length' => 255,
]);
}
/**
* @return string[]
*/
public function getSubscribedEvents(): array
{
return [Events::loadClassMetadata];
}
}