add languages

app/Http/Middleware/SetTimezoneForNovaMiddleware.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Cookie;
+
+class SetTimezoneForNovaMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure(\Illuminate\Http\Request): (\Illuminate\Http\Response|\Illuminate\Http\RedirectResponse)  $next
+     *
+     * @return \Illuminate\Http\Response|\Illuminate\Http\RedirectResponse
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        App::setLocale(Cookie::get('lang') ?: config('app.locale'));
+        if ($request->user()
+            && $timezone = $request->user()->timezone
+        ) {
+            config([
+                'app.user-timezone' => $timezone,
+            ]);
+
+            return $next($request);
+        }
+
+        return $next($request);
+    }
+}