Created and registered middleware which replaces short-code from short-url on rest paths

module/Rest/src/Middleware/ShortUrl/ShortCodePathMiddleware.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\Middleware\ShortUrl;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class ShortCodePathMiddleware implements MiddlewareInterface
+{
+    private const OLD_PATH_PREFIX = '/short-codes';
+    private const NEW_PATH_PREFIX = '/short-urls';
+
+    /**
+     * Process an incoming server request and return a response, optionally delegating
+     * response creation to a handler.
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $uri = $request->getUri();
+        $path = $uri->getPath();
+
+        // If the path starts with the old prefix, replace it by the new one
+        return $handler->handle(
+            $request->withUri($uri->withPath(\str_replace(self::OLD_PATH_PREFIX, self::NEW_PATH_PREFIX, $path)))
+        );
+    }
+}