Symfony 2.6+ User Timezone

config.yml

...
twig:
    ...
    date:
        timezone: America/Los_Angeles

services.yml

services:
    am_user.user_subscriber:
            class: AppBundle\EventListener\UserSubscriber
            arguments: [@fos_user.user_manager]
            tags:
                - { name: kernel.event_subscriber }

    common.twig.subscriber:
          class: AppBundle\EventListener\TwigSubscriber
          arguments: [@twig,@security.token_storage]
          tags:
              - { name: kernel.event_subscriber }

TwigSubscriber.php

<?php

namespace AppBundle\EventListener;

use AppBundle\Entity\User;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;

/**
 * Thanks @jwrobeson for guidance.
 * @see http://mindimize.com/viewpage/3987/symfony-2-timezone-solutions-handle-user-timezone-on-symfony
 */
class TwigSubscriber implements EventSubscriberInterface
{
    protected $twig;
    protected $tokenStorage;

    function __construct(\Twig_Environment $twig, TokenStorageInterface $tokenStorage)
    {
        $this->twig = $twig;
        $this->tokenStorage = $tokenStorage;
    }

    public static function getSubscribedEvents()
    {
        return [
            'kernel.controller' => 'onKernelController'
        ];
    }

    public function onKernelController(FilterControllerEvent $event)
    {
        $token = $this->tokenStorage->getToken();

        if ($token !== null) {
            $user = $token->getUser();

            if ($user instanceof User) {
                $timezone = $user->getTimezone();
                if ($timezone !== null) {
                    $this->twig->getExtension('core')->setTimezone($timezone);
                }
            }
        }
    }
}

UserSubscriber.php

<?php

namespace AppBundle\EventListener;

use AppBundle\Entity\User;
use FOS\UserBundle\Model\UserManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Http\SecurityEvents;


/**
 * @see http://mindimize.com/viewpage/3987/symfony-2-timezone-solutions-handle-user-timezone-on-symfony
 */
class UserSubscriber implements EventSubscriberInterface
{
    private $userManager;

    public function __construct(UserManagerInterface $userManager)
    {
        $this->userManager = $userManager;
    }

    public static function getSubscribedEvents()
    {
        return [
            SecurityEvents::INTERACTIVE_LOGIN => 'onSecurityInteractiveLogin',
        ];
    }

    public function onSecurityInteractiveLogin(InteractiveLoginEvent $event)
    {
        $user = $event->getAuthenticationToken()->getUser();

        if ($user instanceof User) {
            //here, you can do whatever you want after user login successfully: send mail, set last login, set your timezone, ...

            //this is timezone you can detect or you define
            $request = $event->getRequest();
            $timezoneDetect = $request->request->get('_timezone_detect');

            if ($timezoneDetect != null) {
                $user->setTimezone($timezoneDetect);
                $this->userManager->updateUser($user);
            }

        }

    }
}

Thanks for posting that: it came in very handy 🙂