Symfony Profiler

<?php
namespace ForumBundle\EventSubscriber;
use CoreBundle\Entity\Category;
use CoreBundle\Entity\Post;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpKernel\Event\ControllerEvent;
use Symfony\Component\HttpKernel\HttpKernel;
use Symfony\Component\HttpFoundation\RequestStack;
use CoreBundle\Entity\Student;
use CoreBundle\Entity\Tutor;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Security\Core\Security;
class ActivitySubscriber implements EventSubscriberInterface
{
/** @var Security */
protected $security;
/** @var EntityManagerInterface */
protected $entityManager;
protected $requestStack;
public function __construct(Security $security, EntityManagerInterface $entityManager, RequestStack $requestStack)
{
$this->security = $security;
$this->entityManager = $entityManager;
$this->requestStack = $requestStack;
}
/**
* {@inheritDoc}
* @see \Symfony\Component\EventDispatcher\EventSubscriberInterface::getSubscribedEvents()
*/
public static function getSubscribedEvents()
{
return [
KernelEvents::CONTROLLER => 'onCoreController'
];
}
/**
* Update the user "lastActivity" on each request
*/
public function onCoreController(ControllerEvent $event)
{
// Check that the current request is a "MASTER_REQUEST"
// Ignore any sub-request
if ($event->getRequestType() !== HttpKernel::MAIN_REQUEST) {
return;
}
// Check token authentication availability
if (null !== $this->security->getToken()) {
$user = $this->security->getToken()->getUser();
if ( (($user instanceof Student) || ($user instanceof Tutor)) /*&& !($user->isActiveNow())*/ ) {
$user->setLastActivity(new \DateTime('now'));
$category_id = $this->requestStack->getCurrentRequest()->get('category_id');
$post_id = $this->requestStack->getCurrentRequest()->get('post_id');
if (null !== $category_id) {
$category = $this->entityManager->getRepository(Category::class)->find($category_id);
if (null !== $category) {
$user->setLastCategory($category);
}
} elseif (null !== $post_id) {
$post = $this->entityManager->getRepository(Post::class)->find($post_id);
if (null !== $post) {
$user->setLastCategory($post->getCategory());
}
}
$this->entityManager->persist($user);
$this->entityManager->flush();
}
}
}
}

src/ForumBundle/EventSubscriber/ActivitySubscriber.php line 48