Files
kimai2/src/EventSubscriber/RedirectToLocaleSubscriber.php

68 lines
2.4 KiB
PHP

<?php
/*
* This file is part of the Kimai time-tracking app.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace App\EventSubscriber;
use App\Configuration\LocaleService;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
/**
* When visiting the homepage, this listener redirects the user to the most
* appropriate localized version according to the browser settings.
*
* See http://symfony.com/doc/current/components/http_kernel/introduction.html#the-kernel-request-event
*
* @author Oleg Voronkovich <oleg-voronkovich@yandex.ru>
*/
final class RedirectToLocaleSubscriber implements EventSubscriberInterface
{
public function __construct(private UrlGeneratorInterface $urlGenerator, private LocaleService $localeService)
{
}
public static function getSubscribedEvents(): array
{
return [
KernelEvents::REQUEST => ['onKernelRequest']
];
}
public function onKernelRequest(RequestEvent $event): void
{
$request = $event->getRequest();
// Ignore sub-requests and all URLs but the homepage
if ('/' !== $request->getPathInfo()) {
return;
}
// Ignore requests from referrers with the same HTTP host in order to prevent
// changing language for users who possibly already selected it for this application.
$referer = $request->headers->get('referer');
if ($referer !== null && 0 === stripos($referer, $request->getSchemeAndHttpHost())) {
return;
}
$allLanguages = $this->localeService->getAllLocales();
// Add the default locale at the first position of the array, because getPreferredLanguage()
// returns the first element when no appropriate language is found
array_unshift($allLanguages, $this->localeService->getDefaultLocale());
$preferredLanguage = $request->getPreferredLanguage(array_unique($allLanguages));
$response = new RedirectResponse($this->urlGenerator->generate('homepage', ['_locale' => $preferredLanguage]));
$event->setResponse($response);
}
}