gistfile1.php

<?php

/*
 * based on FOS\UserBundle\Entity
 */

namespace HBK\ScavengerHuntBundle\Entity;

use Doctrine\Common\EventSubscriber;
use Doctrine\ORM\Events;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Event\PreUpdateEventArgs;
use Doctrine\ORM\Event\OnFlushEventArgs;
use Doctrine\ORM\PersistentCollection;
// use FOS\UserBundle\Model\UserInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use HBK\ScavengerHuntBundle\Entity\User;
use HBK\ScavengerHuntBundle\Entity\Badge;


/**
 * Doctrine ORM listener 
 * - awards 1-up badge on User create
 */
class UserListener implements EventSubscriber
{
    /**
     * @var ContainerInterface
     */
    private $container;

    /**
     * Constructor
     *
     * @param ContainerInterface $container
     */
    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    public function getSubscribedEvents()
    {
        return array(
            Events::prePersist,
            Events::preUpdate,
            Events::onFlush
        );
    }

    public function prePersist(LifecycleEventArgs $args)
    {
        error_log( 'PRE PERSIST');
        $this->award1Up($args);
    }

    public function preUpdate(PreUpdateEventArgs $args)
    {
        error_log( 'PRE UPDATE');
        
        $entity = $args->getEntity();
        $em = $args->getEntityManager();
    }
    
    public function onFlush(OnFlushEventArgs $args)
    {
        error_log( 'ON FLUSH');
        $entities = array();
        $em = $args->getEntityManager();
        $uow = $em->getUnitOfWork();
        foreach ($uow->getScheduledEntityInsertions() AS $entity) {
            $entities[] = $entity;
        }
        foreach ($uow->getScheduledEntityUpdates() AS $entity) {
            $entities[] = $entity;
        }
        foreach ($uow->getScheduledCollectionUpdates() AS $entity) {
            $entities[] = $entity;
        }
        foreach ($uow->getScheduledCollectionDeletions() AS $entity) {
            $entities[] = $entity;
        }
        foreach ($entities as $entity) {
            error_log(get_class($entity));
            error_log(get_parent_class($entity));
            if ($entity instanceof PersistentCollection){
                foreach($entity as $element) {
                    // if( $element instanceof Badge)
                    error_log("BADGE: " . $element->getName() );
                }
            }
            if ($entity instanceof User) {
                error_log("USER: " . $entity->getUsername() . " badges count: " . $entity->getBadges()->count());
            }
        }
        // $this->award1Up($args);
    }
    
    private function award1Up(LifecycleEventArgs $args)
    {
        $entity = $args->getEntity();
        $em = $args->getEntityManager();
        
        if ($entity instanceof User) {
            $badge1Up = $em->getRepository('HBKScavengerHuntBundle:Badge')
                ->findOneBySlug('1-up-power-up'); 
            $entity->addBadges($badge1Up);
        }
    }
}