Pagine la liste des news récentes

public/index.php

@@ -11,9 +11,9 @@ $loader->register();
 $security = new \Silex\Controller\SecurityController();
 $user = new \Silex\Controller\UserController();
 $router = new Router($_SERVER['REQUEST_URI']);
-$router->setBasePath("~cofrizot/silex/index.php");
 $router->get('/^$/', [$user, 'index']);
-$router->get('/^news\/(?<id>[\w-]+)$/', [$user, 'viewPost']);
+$router->get('/^recent\/(?<page>\d+)$/', [$user, 'index']);
+$router->get('/^news\/(?<id>\d+)$/', [$user, 'viewPost']);
 $router->get('/^comments\/(?<id>[\w-]+)$/', [$user, 'viewPostComments']);
 $router->match('/^login$/', [$security, 'login']);
 $router->run(new \Silex\DI\DI($router))->render(__DIR__ . '/../' . VIEW_PATH);

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));
+    }
+}

views/home.php

@@ -13,4 +13,47 @@
             </div>
         </div>
     </div>
-<?php endforeach ?>
+<?php endforeach ?>
+<nav class="pagination" role="navigation" aria-label="pagination">
+    <?php if ($params['page'] > 1) : ?>
+        <a class="pagination-previous" href="<?= $params['router']->url('recent/' . ($params['page'] - 1)) ?>">Previous</a>
+    <?php endif; ?>
+    <?php if ($params['page'] < $params['nbPages']) : ?>
+        <a class="pagination-next" href="<?= $params['router']->url('recent/' . ($params['page'] + 1)) ?>">Next page</a>
+    <?php endif; ?>
+    <ul class="pagination-list">
+        <?php if ($params['page'] > 2) : ?>
+            <li>
+                <a class="pagination-link" aria-label="Goto page 1" href="<?= $params['router']->url('recent/1') ?>">1</a>
+            </li>
+            <?php if ($params['page'] > 3) : ?>
+                <li>
+                    <span class="pagination-ellipsis">&hellip;</span>
+                </li>
+            <?php endif; ?>
+        <?php endif; ?>
+        <?php if ($params['page'] > 1) : ?>
+            <li>
+                <a class="pagination-link" aria-label="Goto page <?= $params['page'] - 1 ?>" href="<?= $params['router']->url('recent/' . ($params['page'] - 1)) ?>"><?= $params['page'] - 1 ?></a>
+            </li>
+        <?php endif; ?>
+        <li>
+            <a class="pagination-link is-current" aria-label="Page <?= $params['page'] ?>" aria-current="page"><?= $params['page'] ?></a>
+        </li>
+        <?php if ($params['page'] < ($params['nbPages'] - 1)) : ?>
+            <li>
+                <a class="pagination-link" aria-label="Goto page <?= $params['page'] + 1 ?>" href="<?= $params['router']->url('recent/' . ($params['page'] + 1)) ?>"><?= $params['page'] + 1 ?></a>
+            </li>
+            <?php if ($params['page'] < ($params['nbPages'] - 2)) : ?>
+                <li>
+                    <span class="pagination-ellipsis">&hellip;</span>
+                </li>
+            <?php endif; ?>
+        <?php endif; ?>
+        <?php if ($params['page'] < $params['nbPages']) : ?>
+            <li>
+                <a class="pagination-link" aria-label="Goto page <?= $params['nbPages'] ?>" href="<?= $params['router']->url('recent/' . $params['nbPages']) ?>"><?= $params['nbPages'] ?></a>
+            </li>
+        <?php endif; ?>
+    </ul>
+</nav>