<?php
namespace App\EventSubscriber;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
class LocaleSubscriber implements EventSubscriberInterface
{
private $defaultLocale;
public function __construct($defaultLocale = 'fr')
{
$this->defaultLocale = $defaultLocale;
}
public function onKernelRequest(RequestEvent $event)
{
$request = $event->getRequest();
if(!$request->hasPreviousSession()){
return;
}
// try to see if the locale has been set as _locale routing parameter
if($locale = $request->query->get('_locale')){
$request->setLocale($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));
}
}
public static function getSubscribedEvents()
{
return [
KernelEvents::REQUEST => [['onKernelRequest',20]],
];
}
}