prepare("SELECT u.id as user_id, u.username, m.message, m.created_at
FROM messages m
JOIN users u ON u.id = m.sender_id OR u.id = m.receiver_id
WHERE (m.sender_id = :user_id OR m.receiver_id = :user_id)
AND u.id != :user_id
AND m.id IN (
SELECT MAX(id) FROM messages
WHERE sender_id = :user_id OR receiver_id = :user_id
GROUP BY LEAST(sender_id, receiver_id), GREATEST(sender_id, receiver_id)
)
ORDER BY m.created_at DESC");
$stmt->execute(['user_id' => $user_id]);
$conversations = $stmt->fetchAll();
// Fetch user role
$stmt = $pdo->prepare('SELECT role FROM users WHERE id = ?');
$stmt->execute([$_SESSION['user_id']]);
$user_role = $stmt->fetchColumn();
?>
Messages - Community Hub