<?php
// src/EventListener/UserLocaleSubscriber.php
namespace App\EventListener;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Http\SecurityEvents;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Stores the locale of the user in the session after the
* login. This can be used by the LocaleSubscriber afterwards.
*/
class UserLocaleSubscriber implements EventSubscriberInterface
{
private $session;
private $defaultLocale;
public function __construct(SessionInterface $session, $defaultLocale = 'en')
{
$this->session = $session;
$this->defaultLocale = $defaultLocale;
}
public function onInteractiveLogin(InteractiveLoginEvent $event)
{
$user = $event->getAuthenticationToken()->getUser();
if (null !== $user->getLocale()) {
$this->session->set('_locale', $user->getLocale());
}
}
public static function getSubscribedEvents()
{
return [
SecurityEvents::INTERACTIVE_LOGIN => 'onInteractiveLogin',
KernelEvents::REQUEST => [['onKernelRequest', 20]],
];
}
public function onKernelRequest(GetResponseEvent $event)
{
$request = $event->getRequest();
if (!$request->hasPreviousSession()) {
return;
}
// try to see if the locale has been set as a _locale routing parameter
if ($locale = $request->attributes->get('_locale')) {
$request->getSession()->set('_locale', $locale);
} else {
// if no explicit locale has been set on this request, use one from the session
$request->setLocale($request->getSession()->get('_locale', $this->defaultLocale));
}
}
}