3 files changed, 135 insertions, 18 deletions
diff --git a/src/Middleware/ErrorHandler.php b/src/Middleware/ErrorHandler.php
new file mode 100644
index 00000000..a7c4cfe6
--- /dev/null
+++ b/src/Middleware/ErrorHandler.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace Engelsystem\Middleware;
+
+use Engelsystem\Http\Response;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Twig_LoaderInterface as TwigLoader;
+
+class ErrorHandler implements MiddlewareInterface
+{
+    /** @var TwigLoader */
+    protected $loader;
+
+    /** @var string */
+    protected $viewPrefix = 'errors/';
+
+    /**
+     * @param TwigLoader $loader
+     */
+    public function __construct(TwigLoader $loader)
+    {
+        $this->loader = $loader;
+    }
+
+    /**
+     * Handles any error messages
+     *
+     * Should be added at the beginning
+     *
+     * @param ServerRequestInterface  $request
+     * @param RequestHandlerInterface $handler
+     * @return ResponseInterface
+     */
+    public function process(
+        ServerRequestInterface $request,
+        RequestHandlerInterface $handler
+    ): ResponseInterface {
+        $response = $handler->handle($request);
+
+        $statusCode = $response->getStatusCode();
+        if ($statusCode < 400 || !$response instanceof Response) {
+            return $response;
+        }
+
+        $view = $this->selectView($statusCode);
+
+        return $response->withView(
+            $this->viewPrefix . $view,
+            [
+                'status'  => $statusCode,
+                'content' => $response->getContent(),
+            ],
+            $statusCode,
+            $response->getHeaders()
+        );
+    }
+
+    /**
+     * Select a view based on the given status code
+     *
+     * @param int $statusCode
+     * @return string
+     */
+    protected function selectView(int $statusCode): string
+    {
+        $hundreds = intdiv($statusCode, 100);
+
+        $viewsList = [$statusCode, $hundreds, $hundreds * 100];
+        foreach ($viewsList as $view) {
+            if ($this->loader->exists($this->viewPrefix . $view)) {
+                return $view;
+            }
+        }
+
+        return 'default';
+    }
+}
diff --git a/src/Middleware/LegacyMiddleware.php b/src/Middleware/LegacyMiddleware.php
index 276fb3ee..78132815 100644
--- a/src/Middleware/LegacyMiddleware.php
+++ b/src/Middleware/LegacyMiddleware.php
@@ -83,7 +83,7 @@ class LegacyMiddleware implements MiddlewareInterface
         }
 
         if (empty($title) and empty($content)) {
-            $page = '404';
+            $page = 404;
             $title = _('Page not found');
             $content = _('This page could not be found or you don\'t have permission to view it. You probably have to sign in or register in order to gain access!');
         }
@@ -277,29 +277,17 @@ class LegacyMiddleware implements MiddlewareInterface
             $parameters['meetings'] = 1;
         }
 
-        $status = 200;
-        if ($page == '404') {
-            $status = 404;
-            $content = info($content, true);
+        if (!empty($page) && is_int($page)) {
+            return response($content, (int)$page);
         }
 
-        return response(view(__DIR__ . '/../../templates/layout.html', [
-            'theme'          => isset($user) ? $user['color'] : config('theme'),
+        return response(view('layouts/app', [
             'title'          => $title,
-            'atom_link'      => ($page == 'news' || $page == 'user_meetings')
-                ? ' <link href="'
-                . page_link_to('atom', $parameters)
-                . '" type = "application/atom+xml" rel = "alternate" title = "Atom Feed">'
-                : '',
-            'start_page_url' => page_link_to('/'),
-            'credits_url'    => page_link_to('credits'),
+            'atom_feed'      => ($page == 'news' || $page == 'user_meetings') ? $parameters : [],
             'menu'           => make_menu(),
             'content'        => msg() . $content,
             'header_toolbar' => header_toolbar(),
-            'faq_url'        => config('faq_url'),
-            'contact_email'  => config('contact_email'),
-            'locale'         => locale(),
             'event_info'     => EventConfig_info($event_config) . ' <br />'
-        ]), $status);
+        ]), 200);
     }
 }
diff --git a/src/Middleware/SetLocale.php b/src/Middleware/SetLocale.php
new file mode 100644
index 00000000..86fa0b7f
--- /dev/null
+++ b/src/Middleware/SetLocale.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Engelsystem\Middleware;
+
+use Engelsystem\Helpers\Translator;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Symfony\Component\HttpFoundation\Session\Session;
+
+class SetLocale implements MiddlewareInterface
+{
+    /** @var Translator */
+    protected $translator;
+
+    /** @var Session */
+    protected $session;
+
+    /**
+     * @param Translator $translator
+     * @param Session    $session
+     */
+    public function __construct(Translator $translator, Session $session)
+    {
+        $this->translator = $translator;
+        $this->session = $session;
+    }
+
+    /**
+     * Process an incoming server request and setting the locale if required
+     *
+     * @param ServerRequestInterface  $request
+     * @param RequestHandlerInterface $handler
+     * @return ResponseInterface
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $query = $request->getQueryParams();
+        if (isset($query['set-locale']) && $this->translator->hasLocale($query['set-locale'])) {
+            $locale = $query['set-locale'];
+
+            $this->translator->setLocale($locale);
+            $this->session->set('locale', $locale);
+        }
+
+        return $handler->handle($request);
+    }
+}