clusev/app/Http/Middleware/SetLocale.php

48 lines
1.5 KiB
PHP

<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* Resolve the active UI language for each request: the signed-in user's saved
* preference wins, then the session choice (so a guest on the login page can switch),
* then the app default. Only known locales are honoured.
*/
class SetLocale
{
/** Languages Clusev ships. Keep in sync with the lang/<code> directories + R16. */
public const SUPPORTED = ['de', 'en'];
public function handle(Request $request, Closure $next): Response
{
self::apply($request);
return $next($request);
}
/**
* Resolve + set the active locale: signed-in user's preference, then the session
* choice, then the app default. Safe to call before the session is started — e.g.
* from the exception handler for errors thrown before this middleware (CSRF 419,
* unmatched-route 404, maintenance 503) — a missing session is simply skipped, so
* those custom error pages still honour the user's language where it is known.
*/
public static function apply(Request $request): void
{
$locale = config('app.locale');
if ($request->hasSession()) {
$locale = $request->user()?->locale
?? $request->session()->get('locale')
?? $locale;
}
if (in_array($locale, self::SUPPORTED, true)) {
app()->setLocale($locale);
}
}
}