TRF Certest first commit

app/Http/Middleware/SetLocale.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Vanguard\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Vanguard\Support\Locale;
+
+class SetLocale
+{
+    /**
+     * Handle an incoming request.
+     */
+    public function handle(Request $request, Closure $next): mixed
+    {
+        $locale = $this->getLocale($request);
+
+        app()->setLocale($locale);
+        Carbon::setLocale($locale);
+
+        return $next($request);
+    }
+
+    /**
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     */
+    private function getLocale(Request $request): string
+    {
+        $newLocale = $request->get('lang');
+
+        if (! $newLocale || ! Locale::validateLocale($newLocale)) {
+            return $this->getSelectedLocale();
+        }
+
+        session()->put('locale', $newLocale);
+
+        return $newLocale;
+    }
+
+    /**
+     * @throws ContainerExceptionInterface
+     * @throws NotFoundExceptionInterface
+     */
+    private function getSelectedLocale(): string
+    {
+        if (session()->has('locale')) {
+            return session()->get('locale');
+        }
+
+        $locale = \Request::getPreferredLanguage(Locale::AVAILABLE_LOCALES) ?? config('app.locale');
+
+        session()->put('locale', $locale);
+
+        return $locale;
+    }
+}