prepare('SELECT d.*, u.name as user_name, c.name as community_name, c.id as community_id FROM discussions d JOIN users u ON d.user_id = u.id JOIN communities c ON d.community_id = c.id WHERE d.id = ?');
$stmt->execute([$discussion_id]);
$discussion = $stmt->fetch();
if (!$discussion) {
header('Location: communities.php');
exit;
}
// Fetch user role in the community
$stmt = $pdo->prepare('SELECT role FROM users WHERE id = ?');
$stmt->execute([$user_id]);
$user_role = $stmt->fetchColumn();
// Handle new reply form submission
$content = '';
$errors = [];
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['content'])) {
$content = trim($_POST['content']);
if (empty($content)) {
$errors[] = 'Reply content cannot be empty';
}
if (empty($errors)) {
try {
$stmt = $pdo->prepare('INSERT INTO discussion_replies (discussion_id, user_id, content) VALUES (?, ?, ?)');
$stmt->execute([$discussion_id, $user_id, $content]);
header('Location: discussion.php?id=' . $discussion_id);
exit;
} catch (PDOException $e) {
$errors[] = 'Database error: ' . $e->getMessage();
}
}
}
// Fetch replies
$stmt = $pdo->prepare('SELECT dr.*, u.name as user_name FROM discussion_replies dr JOIN users u ON dr.user_id = u.id WHERE dr.discussion_id = ? ORDER BY dr.created_at ASC');
$stmt->execute([$discussion_id]);
$replies = $stmt->fetchAll();
?>
<?php echo htmlspecialchars($discussion['title']); ?> - Community Hub