From 7558fc721fcc458b73867ebf8ef5e18918ef33ce Mon Sep 17 00:00:00 2001
From: Cedric Abonnel <cedric.abonnel@gmail.com>
Date: Tue, 12 May 2026 10:19:06 +0200
Subject: [PATCH] feat: page HTML pour navigateurs sur /feed (/rss, /rss.xml)

---
 public/feed.php | 93 ++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 81 insertions(+), 12 deletions(-)

diff --git a/public/feed.php b/public/feed.php
index ae13e00..1c63f97 100644
--- a/public/feed.php
+++ b/public/feed.php
@@ -4,12 +4,8 @@ declare(strict_types=1);
 
 define('BASE_PATH', realpath(__DIR__ . '/../'));
 
-if (session_status() === PHP_SESSION_NONE) {
-    $isHttps = !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off';
-    session_set_cookie_params(['lifetime' => 0, 'path' => '/', 'secure' => $isHttps, 'httponly' => true, 'samesite' => 'Lax']);
-    session_start();
-}
-
+require_once BASE_PATH . '/bootstrap.php';
+require_once BASE_PATH . '/src/helpers.php';
 require_once BASE_PATH . '/src/auth.php';
 require_once BASE_PATH . '/config/config.php';
 require_once BASE_PATH . '/src/ArticleManager.php';
@@ -26,12 +22,85 @@ $all = array_values(array_filter(
     static fn (array $a): bool => strtotime((string)($a['published_at'] ?? '')) <= $now
 ));
 
+// ─── Détection navigateur ────────────────────────────────────────────────────
+$accept    = $_SERVER['HTTP_ACCEPT'] ?? '';
+$isBrowser = str_contains($accept, 'text/html')
+          && !str_contains($accept, 'application/rss+xml');
+
+if ($isBrowser) {
+    require_once BASE_PATH . '/src/Parsedown.php';
+    $Parsedown = new Parsedown();
+
+    $feedUrl  = $base . '/feed';
+    $recentItems = array_slice($all, 0, 10);
+
+    ob_start();
+    ?>
+    <div class="row justify-content-center">
+    <div class="col-lg-7">
+
+    <div class="mb-5">
+        <h1 class="h3 mb-1">Flux RSS — varlog</h1>
+        <p class="text-muted mb-0">Journal personnel de Cédrix — informatique, hack et loisirs techniques.</p>
+    </div>
+
+    <div class="card mb-5">
+        <div class="card-body">
+            <h2 class="h6 fw-semibold mb-2">S'abonner</h2>
+            <p class="text-muted small mb-3">
+                Copiez cette URL dans votre lecteur RSS (Miniflux, Feedly, NetNewsWire…)
+                pour recevoir les nouveaux articles automatiquement.
+            </p>
+            <div class="input-group">
+                <input type="text" class="form-control font-monospace small"
+                       value="<?= htmlspecialchars($feedUrl) ?>"
+                       id="rss-url-input" readonly>
+                <button class="btn btn-outline-secondary btn-sm"
+                        onclick="navigator.clipboard.writeText(document.getElementById('rss-url-input').value).then(()=>{this.textContent='Copié ✓';setTimeout(()=>this.textContent='Copier',1500)})"
+                        type="button">Copier</button>
+            </div>
+        </div>
+    </div>
+
+    <h2 class="h5 mb-3">Derniers articles</h2>
+    <div class="d-flex flex-column gap-3">
+    <?php foreach ($recentItems as $a):
+        $slug    = $a['slug'] ?? '';
+        $pubDate = date('d/m/Y', (int)strtotime((string)($a['published_at'] ?? $a['created_at'] ?? '')));
+        $preview = mb_strimwidth(strip_tags($Parsedown->text($a['content'] ?? '')), 0, 100, '…');
+        $cat     = trim($a['category'] ?? '');
+    ?>
+    <a href="/post/<?= rawurlencode($slug) ?>" class="text-decoration-none text-reset d-block p-3 border rounded">
+        <div class="d-flex justify-content-between align-items-start gap-2 mb-1">
+            <span class="fw-semibold"><?= htmlspecialchars($a['title'] ?? '') ?></span>
+            <span class="text-muted small text-nowrap"><?= $pubDate ?></span>
+        </div>
+        <?php if ($cat !== ''): ?>
+            <span class="badge bg-secondary fw-normal mb-1"><?= htmlspecialchars($cat) ?></span>
+        <?php endif; ?>
+        <p class="text-muted small mb-0"><?= htmlspecialchars($preview) ?></p>
+    </a>
+    <?php endforeach; ?>
+    </div>
+
+    </div>
+    </div>
+    <?php
+    $content   = ob_get_clean();
+    $title     = 'Flux RSS — varlog';
+    $canonical = $base . '/feed';
+    $metaRobots = 'noindex, follow';
+    include BASE_PATH . '/templates/layout.php';
+    exit;
+}
+
+// ─── Flux XML pour les lecteurs RSS ─────────────────────────────────────────
 $total    = count($all);
 $lastPage = max(1, (int)ceil($total / FEED_PAGE_SIZE));
 $page     = max(1, min($lastPage, (int)($_GET['page'] ?? 1)));
 $items    = array_slice($all, ($page - 1) * FEED_PAGE_SIZE, FEED_PAGE_SIZE);
 
-$feedUrl = static fn (int $p): string => $base . '/feed' . ($p > 1 ? '?page=' . $p : '');
+$feedUrlFn = static fn (int $p): string => $base . '/feed' . ($p > 1 ? '?page=' . $p : '');
 
 $lastBuild = '';
 foreach ($all as $a) {
@@ -60,16 +129,16 @@ echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
     <lastBuildDate><?= htmlspecialchars($lastBuild) ?></lastBuildDate>
 
     <!-- Flux canonique (toujours page 1) -->
-    <atom:link href="<?= htmlspecialchars($feedUrl(1)) ?>" rel="self" type="application/rss+xml"/>
+    <atom:link href="<?= htmlspecialchars($feedUrlFn(1)) ?>" rel="self" type="application/rss+xml"/>
 
     <?php if ($page > 1): ?>
     <!-- Navigation entre pages -->
-    <atom:link href="<?= htmlspecialchars($feedUrl(1)) ?>" rel="first" type="application/rss+xml"/>
-    <atom:link href="<?= htmlspecialchars($feedUrl($page - 1)) ?>" rel="previous" type="application/rss+xml"/>
+    <atom:link href="<?= htmlspecialchars($feedUrlFn(1)) ?>" rel="first" type="application/rss+xml"/>
+    <atom:link href="<?= htmlspecialchars($feedUrlFn($page - 1)) ?>" rel="previous" type="application/rss+xml"/>
     <?php endif; ?>
     <?php if ($page < $lastPage): ?>
-    <atom:link href="<?= htmlspecialchars($feedUrl($page + 1)) ?>" rel="next" type="application/rss+xml"/>
-    <atom:link href="<?= htmlspecialchars($feedUrl($lastPage)) ?>" rel="last" type="application/rss+xml"/>
+    <atom:link href="<?= htmlspecialchars($feedUrlFn($page + 1)) ?>" rel="next" type="application/rss+xml"/>
+    <atom:link href="<?= htmlspecialchars($feedUrlFn($lastPage)) ?>" rel="last" type="application/rss+xml"/>
     <?php endif; ?>
 
     <?php if ($lastPage > 1): ?>