Separated laravel app to its own folder (#540)

api/app/Http/Middleware/SetLocale.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+
+class SetLocale
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if ($locale = $this->parseLocale($request)) {
+            app()->setLocale($locale);
+        }
+
+        return $next($request);
+    }
+
+    /**
+     * @param  \Illuminate\Http\Request  $request
+     * @return string|null
+     */
+    protected function parseLocale($request)
+    {
+        $locales = config('app.locales');
+
+        $locale = $request->server('HTTP_ACCEPT_LANGUAGE');
+        $locale = substr($locale, 0, strpos($locale, ',') ?: strlen($locale));
+
+        if (array_key_exists($locale, $locales)) {
+            return $locale;
+        }
+
+        $locale = substr($locale, 0, 2);
+        if (array_key_exists($locale, $locales)) {
+            return $locale;
+        }
+    }
+}