<?php
namespace App\EventSubscriber;
use App\Enum\Parameter;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\HeaderUtils;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
class LocaleSubscriber implements EventSubscriberInterface
{
/**
* @param RequestEvent $event
* @return void
*/
public function onKernelRequest(RequestEvent $event): void
{
$request = $event->getRequest();
$acceptLanguage = $request->headers->get('language');
if (!$acceptLanguage) {
$acceptLanguage = $request->getSession()->get('_locale');
}
if (empty($acceptLanguage)) {
return;
}
$arr = HeaderUtils::split($acceptLanguage, ',;');
if (empty($arr[0][0])) {
return;
}
$locale = str_replace('-', '_', $arr[0][0]);
if (isset(Parameter::LANGUAGES[$locale])) {
$request->setLocale($locale);
$request->getSession()->set('_locale', $locale);
}
}
/**
* @return array[]
*/
public static function getSubscribedEvents(): array
{
return [
KernelEvents::REQUEST => [['onKernelRequest', 20]],
];
}
}