first commit

2026-07-21 17:06:32 +02:00
commit 20f9aca26b
9 changed files with 239 additions and 0 deletions
@@ -0,0 +1,61 @@
+<?php
+require_once __DIR__ . '/config.php';
+
+@mkdir(DATA_DIR, 0755, true);
+$db = new PDO('sqlite:' . DATA_DIR . '/guestbook.db');
+$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+$db->exec('CREATE TABLE IF NOT EXISTS entries (
+    id   INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    msg  TEXT NOT NULL,
+    ts   INTEGER NOT NULL
+)');
+
+$isHtmx = isset($_SERVER['HTTP_HX_REQUEST']);
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $name = trim($_POST['name'] ?? '');
+    $msg  = trim($_POST['msg']  ?? '');
+    if ($name !== '' && $msg !== '') {
+        $stmt = $db->prepare('INSERT INTO entries (name, msg, ts) VALUES (?, ?, ?)');
+        $stmt->execute([mb_substr($name, 0, 40), mb_substr($msg, 0, 500), time()]);
+    }
+    if (!$isHtmx) {
+        header('Location: /guestbook.php');
+        exit;
+    }
+}
+
+$rows = $db->query('SELECT name, msg, ts FROM entries ORDER BY id DESC LIMIT 50');
+
+function render_entries(iterable $rows): void {
+    foreach ($rows as $r) { ?>
+      <div class="entry">
+        <b><?= htmlspecialchars($r['name']) ?></b>
+        <span class="date"><?= date('Y-m-d', $r['ts']) ?></span>
+        <p><?= nl2br(htmlspecialchars($r['msg'])) ?></p>
+      </div>
+    <?php }
+}
+
+if ($isHtmx) {
+    render_entries($rows);
+    exit;
+}
+
+require __DIR__ . '/inc/header.php';
+?>
+<h1>guestbook</h1>
+
+<form hx-post="/guestbook.php" hx-target="#entries" hx-swap="innerHTML"
+      method="post" action="/guestbook.php">
+  <input name="name" placeholder="name" maxlength="40" required>
+  <textarea name="msg" placeholder="say something…" maxlength="500" required></textarea>
+  <button type="submit">sign</button>
+</form>
+
+<div id="entries">
+  <?php render_entries($rows); ?>
+</div>
+
+<?php require __DIR__ . '/inc/footer.php'; ?>