<?php

namespace WorkflowBundle\EventListener;

use Doctrine\Common\EventSubscriber;
use Doctrine\ORM\Event\LifecycleEventArgs;
use WorkflowBundle\Utils\DoctrineEvents;
use WorkflowBundle\Services\ProducerService;
use Symfony\Component\DependencyInjection\ContainerInterface;

class DoctrineEventSubscriber implements EventSubscriber
{
    
    /**
     * @var ProducerService
     */
    private $producerService;
    
    
    /**
     * @param ContainerInterface $serviceContainer
     */    
    public function __construct(ProducerService $producerService)
    {
        /* @var $this->producerService ProducerService */
        $this->producerService = $producerService;
    }

    /**
     * @return array
     */
    public function getSubscribedEvents()
    {
        return array(
            DoctrineEvents::PRE_PERSIST,
            DoctrineEvents::POST_PERSIST,
            DoctrineEvents::PRE_UPDATE,
            DoctrineEvents::POST_UPDATE,
            DoctrineEvents::PRE_REMOVE,
            DoctrineEvents::POST_REMOVE,
        );
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function prePersist(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::PRE_PERSIST);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function postPersist(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::POST_PERSIST);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function preUpdate(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::PRE_UPDATE);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function postUpdate(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::POST_UPDATE);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function preRemove(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::PRE_REMOVE);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function postRemove(LifecycleEventArgs $args)
    {
        $this->execute($args, DoctrineEvents::POST_REMOVE);
    }

    /**
     * @param LifecycleEventArgs $args
     * @param string $eventName
     */
    public function execute(LifecycleEventArgs $args, $eventName = DoctrineEvents::PRE_PERSIST)
    {
        $this->producerService->execute($args->getEntity(), $eventName);
    }

}