Add blog posts to the homepage

Author: Seldaek

src/Controller/WebController.php

@@ -18,6 +18,7 @@
 use App\Entity\Version;
 use App\Search\Algolia;
 use App\Search\Query;
+use App\Service\BlogRssFetcher;
 use App\Util\Killswitch;
 use Predis\Client as RedisClient;
 use Predis\Connection\ConnectionException;
@@ -36,13 +37,15 @@
 class WebController extends Controller
 {
     #[Route('/', name: 'home')]
-    public function index(Request $req): RedirectResponse|Response
+    public function index(Request $req, BlogRssFetcher $blogRssFetcher): RedirectResponse|Response
     {
         if ($resp = $this->checkForQueryMatch($req)) {
             return $resp;
         }
 
-        return $this->render('web/index.html.twig');
+        return $this->render('web/index.html.twig', [
+            'newsItems' => $blogRssFetcher->getNewsItems(),
+        ]);
     }
 
     #[Route('/sponsor/', name: 'sponsor')]

src/Service/BlogRssFetcher.php

@@ -0,0 +1,106 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of Packagist.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *     Nils Adermann <naderman@naderman.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Service;
+
+use Composer\Pcre\Preg;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HtmlSanitizer\HtmlSanitizer;
+use Symfony\Component\HtmlSanitizer\HtmlSanitizerAction;
+use Symfony\Component\HtmlSanitizer\HtmlSanitizerConfig;
+use Symfony\Contracts\Cache\CacheInterface;
+use Symfony\Contracts\Cache\ItemInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class BlogRssFetcher
+{
+    private const string RSS_URL = 'https://blog.packagist.com/rss/';
+    private const int CACHE_TTL = 3600;
+    private const int MAX_ITEMS = 5;
+
+    public function __construct(
+        private readonly HttpClientInterface $httpClient,
+        private readonly CacheInterface $cache,
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    /**
+     * @return list<array{title: string, link: string, description: string, datePublished: \DateTimeInterface|null}>
+     */
+    public function getNewsItems(): array
+    {
+        try {
+            return $this->cache->get('blog_news_items', function (ItemInterface $item): array {
+                $item->expiresAfter(self::CACHE_TTL);
+
+                return $this->fetchAndParseRss();
+            });
+        } catch (\Exception $e) {
+            $this->logger->error('Failed to fetch blog RSS feed', [
+                'error' => $e->getMessage(),
+            ]);
+            return [];
+        }
+    }
+
+    /**
+     * @return list<array{title: string, link: string, description: string, datePublished: \DateTimeInterface|null}>
+     */
+    private function fetchAndParseRss(): array
+    {
+        $response = $this->httpClient->request('GET', self::RSS_URL);
+        $content = $response->getContent();
+
+        $xml = new \SimpleXMLElement($content);
+        $items = [];
+
+        foreach ($xml->channel->item as $entry) {
+            // Extract categories
+            $categories = [];
+            foreach ($entry->category as $category) {
+                $categories[] = strtolower((string) $category);
+            }
+
+            // Only include items with composer or packagist.org category
+            if (!in_array('composer', $categories, true) && !in_array('packagist.org', $categories, true)) {
+                continue;
+            }
+
+            $pubDate = null;
+            if (isset($entry->pubDate)) {
+                try {
+                    $pubDate = new \DateTimeImmutable((string) $entry->pubDate);
+                } catch (\Exception) {
+                    // Ignore invalid dates
+                }
+            }
+
+            $desc = $entry->description;
+            $desc = str_replace('><', '> <', (string) $desc);
+            $desc = trim(html_entity_decode(strip_tags($desc), ENT_QUOTES | ENT_HTML5, 'UTF-8'));
+
+            $items[] = [
+                'title' => (string) $entry->title,
+                'link' => (string) $entry->link,
+                'description' => $desc,
+                'datePublished' => $pubDate,
+            ];
+
+            if (count($items) >= self::MAX_ITEMS) {
+                break;
+            }
+        }
+
+        return $items;
+    }
+}

templates/web/index.html.twig

@@ -65,4 +65,20 @@
         </div>
     </section>
 </section>
+
+{% if newsItems is defined and newsItems|length > 0 %}
+<section class="row">
+    <section class="col-lg-6">
+        <h2 class="title">Latest News</h2>
+        {% for item in newsItems %}
+            <h3><a href="{{ item.link }}" rel="noopener noreferrer">{{ item.title }}</a> <small class="text-muted">- {{ item.datePublished|date('M d, Y') }}</small></h3>
+            <p>
+                {{ item.description|length > 200 ? item.description[:200] ~ '...' : item.description }}
+                {% if item.datePublished %}
+                {% endif %}
+            </p>
+        {% endfor %}
+    </section>
+</section>
+{% endif %}
 {% endblock %}