web: Implémente la pagination pour l'API

oki-api.yaml

@@ -25,7 +25,7 @@ paths:
             maximum: 100
           description: The maximum amount of items to return
         - in: query
-          name: offset
+          name: page
           schema:
             type: integer
             example: 0

web/src/Oki/Controller/ApiController.php

@@ -7,14 +7,24 @@ namespace Oki\Controller;
 use Oki\DI\DI;
 use Oki\Http\HttpResponse;
 use Oki\Http\JsonResponse;
+use Oki\Validator\PaginationValidator;
 use Oki\Validator\PublicationValidator;
 
 class ApiController
 {
     public function listPackages(DI $di): HttpResponse
     {
-        $packages = $di->getPackageGateway()->listPackages();
-        return new JsonResponse(200, ['packages' => $packages]);
+        $limit = PaginationValidator::getLimit($_GET);
+        $page = PaginationValidator::getPage($_GET);
+        $total = $di->getPackageGateway()->getCount();
+        $packages = $di->getPackageGateway()->listPackagesPagination($limit, $page);
+        return new JsonResponse(200, [
+            'pagination' => [
+                'count' => count($packages),
+                'total' => $total
+            ],
+            'packages' => $packages
+        ]);
     }
 
     public function packageInfo(DI $di, array $params): HttpResponse

web/src/Oki/Validator/PaginationValidator.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Oki\Validator;
+
+class PaginationValidator
+{
+    public static function getLimit(array $get): int
+    {
+        if (isset($get['limit']) && is_numeric($get['limit'])) {
+            return min(100, max(0, intval($get['limit'])));
+        }
+        return 5;
+    }
+
+    public static function getPage(array $get): int
+    {
+        if (isset($get['page']) && is_numeric($get['page'])) {
+            return min(100, max(0, intval($get['page'])));
+        }
+        return 1;
+    }
+}