redirect wiki pages to qualiwiki website

src/EventSubscriber/WikiRedirectSubscriber.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\EventSubscriber;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+class WikiRedirectSubscriber implements EventSubscriberInterface
+{
+    private const WIKI_PATH_PREFIX = '/wiki';
+    private const REDIRECT_BASE_URL = 'https://qualiwiki.cipherbliss.com/wiki';
+
+    public function onKernelRequest(RequestEvent $event): void
+    {
+        // Don't do anything if it's not the master request
+        if (!$event->isMainRequest()) {
+            return;
+        }
+
+        $request = $event->getRequest();
+        $path = $request->getPathInfo();
+
+        // Check if the path starts with /wiki
+        if (str_starts_with($path, self::WIKI_PATH_PREFIX)) {
+            // Extract the part after /wiki
+            $subPath = substr($path, strlen(self::WIKI_PATH_PREFIX));
+            
+            // If subPath is empty or just a slash, redirect to the base URL
+            if (empty($subPath) || $subPath === '/') {
+                $redirectUrl = self::REDIRECT_BASE_URL;
+            } else {
+                // Otherwise, append the subPath to the redirect URL
+                $redirectUrl = self::REDIRECT_BASE_URL . $subPath;
+            }
+
+            // Create a redirect response
+            $response = new RedirectResponse($redirectUrl, 301); // 301 is permanent redirect
+            $event->setResponse($response);
+        }
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        // Use a high priority to intercept the request before the router
+        return [
+            KernelEvents::REQUEST => ['onKernelRequest', 256],
+        ];
+    }
+}