Initialer Laravel Commit für BetiX

app/Http/Controllers/LocaleController.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Cookie;
+
+class LocaleController extends Controller
+{
+    /** @var array<string> */
+    private array $available = [
+        'en','de','es','pt_BR','tr','pl',
+        'fr','it','ru','uk','vi','id','zh_CN','ja','ko','sv','no','fi','nl',
+    ];
+
+    public function set(Request $request)
+    {
+        $data = $request->validate([
+            'locale' => ['required','string','max:8'],
+        ]);
+        $code = $this->normalize($data['locale']);
+        if (!in_array($code, $this->available, true)) {
+            return response()->json(['message' => 'Unsupported locale.'], 422);
+        }
+
+        // Persist to session and cookie (1 year)
+        $request->session()->put('locale', $code);
+        Cookie::queue(cookie('locale', $code, 60 * 24 * 365));
+
+        // Update user preference if logged in (no local DB writes in gateway)
+        if ($user = $request->user()) {
+            if (($user->preferred_locale ?? null) !== $code) {
+                // Defer persistence to external API if needed; here we only keep session/cookie.
+                // Optionally enqueue an event to sync upstream.
+            }
+        }
+
+        return response()->noContent();
+    }
+
+    private function normalize(string $code): string
+    {
+        $code = str_replace([' ', '-'], ['','_'], trim($code));
+        if (strtolower($code) === 'pt_br') return 'pt_BR';
+        if (strtolower($code) === 'zh_cn') return 'zh_CN';
+        return strtolower($code);
+    }
+}