为了实现这一点,您需要在事件上设置一个事件订阅者,其Kernel::REQUEST
优先级高于文档中所示的默认 Locale 侦听器
此时,很遗憾,您将无法访问当前登录的用户,因为这是在 Locale 侦听器之后触发的另一个 Symfony 事件中设置的。
但是,您可以访问会话。
解决方案是在成功登录后将用户的语言环境保存在会话中,然后在会话的请求中设置语言环境。
// src/EventSubscriber/UserLocaleSubscriber.php
namespace App\EventSubscriber;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Http\SecurityEvents;
/**
* 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 $requestStack;
public function __construct(RequestStack $requestStack)
{
$this->requestStack = $requestStack;
}
public function onInteractiveLogin(InteractiveLoginEvent $event)
{
$user = $event->getAuthenticationToken()->getUser();
if (null !== $user->getLocale()) {
$this->requestStack->getSession()->set('_locale', $user->getLocale());
}
}
public static function getSubscribedEvents()
{
return [
SecurityEvents::INTERACTIVE_LOGIN => 'onInteractiveLogin',
];
}
}
// src/EventSubscriber/LocaleSubscriber.php
namespace App\EventSubscriber;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\KernelEvents;
class LocaleSubscriber implements EventSubscriberInterface
{
public function onKernelRequest(RequestEvent $event)
{
$request = $event->getRequest();
if ($request->getSession()) {
// Set user's locale from session
if ($locale = $request->getSession()->get('_locale')) {
$request->setLocale($locale);
}
}
}
public static function getSubscribedEvents()
{
return [
// must be registered before (i.e. with a higher priority than) the default Locale listener
KernelEvents::REQUEST => [['onKernelRequest', 20]],
];
}
}