Easy Exemple

BounceListener.php

<?php

namespace Swm\Bundle\ForumBundle\Listener;

use JMS\DiExtraBundle\Annotation as DI;
use Swm\Bundle\MailHookBundle\Event\HookEventInterface;

/**
 * @DI\Service()
 */
class BounceListener
{
    private $userManager;

    /**
     * @DI\InjectParams({
     *     "userManager" = @DI\Inject("fos_user.user_manager")
     * })
     */
    public function __construct($userManager)
    {
        $this->userManager = $userManager;
    }

    /**
     * @DI\Observe(Swm\Bundle\MailHookBundle\SwmMailHookEvent::MAILHOOK_HARDBOUNCE)
     */
    public function hardBounce(HookEventInterface $hookEvent)
    {
        $user = $hookEvent->getUser();

        $this->userManager->doThings($user);
    }
}