From b5366d361324e2238e4951405abbe2290349c271 Mon Sep 17 00:00:00 2001
From: Daniel Subiabre <daniel.subiabre@platoniq.net>
Date: Thu, 9 Jan 2025 14:36:05 +0100
Subject: [PATCH] Add request language listener to set locale based on language
 headers

---
 src/EventListener/RequestLanguageListener.php | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/EventListener/RequestLanguageListener.php

diff --git a/src/EventListener/RequestLanguageListener.php b/src/EventListener/RequestLanguageListener.php
new file mode 100644
index 0000000..062e899
--- /dev/null
+++ b/src/EventListener/RequestLanguageListener.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\EventListener;
+
+use Symfony\Component\EventDispatcher\Attribute\AsEventListener;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+#[AsEventListener(event: KernelEvents::REQUEST, method: 'processLanguage', priority: 101)]
+final class RequestLanguageListener
+{
+    public function processLanguage(RequestEvent $event): void
+    {
+        $request = $event->getRequest();
+
+        $contentLanguage = $request->headers->get('Content-Language');
+        if ($contentLanguage !== null) {
+            $request->setLocale($contentLanguage);
+        }
+    }
+}