Pagine la liste des news récentes

src/Silex/Controller/UserController.php

@@ -6,13 +6,21 @@ namespace Silex\Controller;
 
 use Silex\DI\DI;
 use Silex\Http\HttpResponse;
+use Silex\Util\Pagination;
 
 class UserController
 {
-    public function index(DI $di): HttpResponse
+    private const PER_PAGE = 12;
+
+    public function index(DI $di, array $params): HttpResponse
     {
-        $news = $di->getNewsGateway()->getPaginatedRecentNews();
-        return new HttpResponse(200, 'home', ['news' => $news]);
+        $gw = $di->getNewsGateway();
+
+        $page = intval($params['page'] ?? 1);
+        $total = $gw->getCount();
+        $nbPages = Pagination::getNbPages($total, self::PER_PAGE);
+        $news = $gw->getPaginatedRecentNews($page , self::PER_PAGE);
+        return new HttpResponse(200, 'home', ['news' => $news, 'page' => $page, 'nbPages' => $nbPages, 'router' => $di->getRouter()]);
     }
 
     public function viewPost(DI $di, array $params): HttpResponse

src/Silex/Gateway/NewsGateway.php

@@ -37,6 +37,15 @@ class NewsGateway
         return $news;
     }
 
+    public function getCount(): int
+    {
+        $req = $this->pdo->query('SELECT COUNT(*) nb FROM news;');
+        if ($req === false) {
+            return 0;
+        }
+        return intval($req->fetch()['nb']);
+    }
+
     public function getById(int $id): News 
     {
         $req = $this->pdo->prepare('SELECT * FROM news WHERE id_news=:id;');

src/Silex/Util/Pagination.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Util;
+
+final class Pagination
+{
+    public static function getNbPages(int $nbItems, int $perPage): int
+    {
+        return intval(ceil($nbItems / $perPage));
+    }
+}