0) {
$where[] = 'r.floor_id = ?';
$types .= 'i';
$params[] = $floorId;
}
$whereSql = $where ? ('WHERE ' . implode(' AND ', $where)) : '';
$racks = $sql->get(
"SELECT r.*, f.name AS floor_name, COUNT(d.id) AS device_count
FROM racks r
LEFT JOIN floors f ON r.floor_id = f.id
LEFT JOIN devices d ON d.rack_id = r.id
$whereSql
GROUP BY r.id
ORDER BY f.name, r.name",
$types,
$params
);
$floors = $sql->get('SELECT id, name FROM floors ORDER BY name', '', []);
?>