API V1 response modified. Pager metadata added.

src/Api/V1/Controller/TorrentController.php

@@ -3,6 +3,7 @@
 namespace App\Api\V1\Controller;
 
 use App\Api\V1\DTO\ApiResponse;
+use App\Api\V1\DTO\ListPage;
 use App\Entity\Torrent;
 use App\Repository\TorrentRepository;
 use Pagerfanta\Adapter\DoctrineORMAdapter;
@@ -28,7 +29,7 @@ class TorrentController extends Controller
             ->setMaxPerPage(self::PER_PAGE)
         ;
 
-        return $this->json(new ApiResponse($pager->getCurrentPageResults()),Response::HTTP_OK, [], [
+        return $this->json(new ApiResponse(ListPage::createFromPager($pager)),Response::HTTP_OK, [], [
             'groups' => array_merge(self::DEFAULT_SERIALIZER_GROUPS,['api_v1_search']),
         ]);
     }

src/Api/V1/DTO/ListPage.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Api\V1\DTO;
+
+use Pagerfanta\Pagerfanta;
+use Symfony\Component\Serializer\Annotation as Serializer;
+
+class ListPage
+{
+    /**
+     * @var int
+     *
+     * @Serializer\Groups({"api_v1"})
+     */
+    private $numberOfPages;
+
+    /**
+     * @var int
+     *
+     * @Serializer\Groups({"api_v1"})
+     */
+    private $currentPage;
+
+    /**
+     * @var int
+     *
+     * @Serializer\Groups({"api_v1"})
+     */
+    private $numberOfResults;
+
+    /**
+     * @var int
+     *
+     * @Serializer\Groups({"api_v1"})
+     */
+    private $maxPerPage;
+
+    /**
+     * @var \Traversable
+     *
+     * @Serializer\Groups({"api_v1"})
+     */
+    protected $items;
+
+    public function __construct(\Traversable $items, int $numberOfResults, int $numberOfPages, int $currentPage, int $maxPerPage)
+    {
+        $this->items = $items;
+        $this->numberOfResults = $numberOfResults;
+        $this->numberOfPages = $numberOfPages;
+        $this->currentPage = $currentPage;
+        $this->maxPerPage = $maxPerPage;
+    }
+
+    public static function createFromPager(Pagerfanta $pager): self
+    {
+        return new static(
+            $pager->getCurrentPageResults(),
+            $pager->getNbResults(),
+            $pager->getNbPages(),
+            $pager->getCurrentPage(),
+            $pager->getMaxPerPage()
+        );
+    }
+
+    public function getNumberOfPages(): int
+    {
+        return $this->numberOfPages;
+    }
+
+    public function getCurrentPage(): int
+    {
+        return $this->currentPage;
+    }
+
+    public function getNumberOfResults(): int
+    {
+        return $this->numberOfResults;
+    }
+
+    public function getMaxPerPage(): int
+    {
+        return $this->maxPerPage;
+    }
+
+    public function getItems(): \Traversable
+    {
+        return $this->items;
+    }
+}