Created Rest module

module/Rest/src/Action/ListShortcodesMiddleware.php

@@ -0,0 +1,52 @@
+<?php
+namespace Shlinkio\Shlink\Rest\Action;
+
+use Acelaya\UrlShortener\Paginator\Util\PaginatorUtilsTrait;
+use Acelaya\UrlShortener\Service\ShortUrlService;
+use Acelaya\UrlShortener\Service\ShortUrlServiceInterface;
+use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Shlinkio\Shlink\Rest\Util\RestUtils;
+use Zend\Diactoros\Response\JsonResponse;
+
+class ListShortcodesMiddleware extends AbstractRestMiddleware
+{
+    use PaginatorUtilsTrait;
+
+    /**
+     * @var ShortUrlServiceInterface
+     */
+    private $shortUrlService;
+
+    /**
+     * ListShortcodesMiddleware constructor.
+     * @param ShortUrlServiceInterface|ShortUrlService $shortUrlService
+     *
+     * @Inject({ShortUrlService::class})
+     */
+    public function __construct(ShortUrlServiceInterface $shortUrlService)
+    {
+        $this->shortUrlService = $shortUrlService;
+    }
+
+    /**
+     * @param Request $request
+     * @param Response $response
+     * @param callable|null $out
+     * @return null|Response
+     */
+    public function dispatch(Request $request, Response $response, callable $out = null)
+    {
+        try {
+            $query = $request->getQueryParams();
+            $shortUrls = $this->shortUrlService->listShortUrls(isset($query['page']) ? $query['page'] : 1);
+            return new JsonResponse(['shortUrls' => $this->serializePaginator($shortUrls)]);
+        } catch (\Exception $e) {
+            return new JsonResponse([
+                'error' => RestUtils::UNKNOWN_ERROR,
+                'message' => 'Unexpected error occured',
+            ], 500);
+        }
+    }
+}