Created Rest module

module/Rest/src/Action/GetVisitsMiddleware.php

@@ -0,0 +1,62 @@
+<?php
+namespace Shlinkio\Shlink\Rest\Action;
+
+use Acelaya\UrlShortener\Exception\InvalidArgumentException;
+use Acelaya\UrlShortener\Service\VisitsTracker;
+use Acelaya\UrlShortener\Service\VisitsTrackerInterface;
+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 GetVisitsMiddleware extends AbstractRestMiddleware
+{
+    /**
+     * @var VisitsTrackerInterface
+     */
+    private $visitsTracker;
+
+    /**
+     * GetVisitsMiddleware constructor.
+     * @param VisitsTrackerInterface|VisitsTracker $visitsTracker
+     *
+     * @Inject({VisitsTracker::class})
+     */
+    public function __construct(VisitsTrackerInterface $visitsTracker)
+    {
+        $this->visitsTracker = $visitsTracker;
+    }
+
+    /**
+     * @param Request $request
+     * @param Response $response
+     * @param callable|null $out
+     * @return null|Response
+     */
+    public function dispatch(Request $request, Response $response, callable $out = null)
+    {
+        $shortCode = $request->getAttribute('shortCode');
+
+        try {
+            $visits = $this->visitsTracker->info($shortCode);
+
+            return new JsonResponse([
+                'visits' => [
+                    'data' => $visits,
+//                    'pagination' => [],
+                ]
+            ]);
+        } catch (InvalidArgumentException $e) {
+            return new JsonResponse([
+                'error' => RestUtils::getRestErrorCodeFromException($e),
+                'message' => sprintf('Provided short code "%s" is invalid', $shortCode),
+            ], 400);
+        } catch (\Exception $e) {
+            return new JsonResponse([
+                'error' => RestUtils::UNKNOWN_ERROR,
+                'message' => 'Unexpected error occured',
+            ], 500);
+        }
+    }
+}