<?php class RoomManager{ public static $rooms; static function getDefaultRoomId() { $defaultRoom = Db::loadOne("SELECT room_id FROM rooms WHERE 'default' = 1"); return $defaultRoom['room_id']; } static function getAllRooms () { $allRoom = Db::loadAll ("SELECT rooms.*, COUNT(devices.device_id) as device_count FROM rooms LEFT JOIN devices ON (devices.room_id=rooms.room_id) GROUP BY rooms.room_id"); return $allRoom; } public static function create ($name) { $room = array ( 'name' => $name, ); try { Db::add ('rooms', $room); } catch(PDOException $error) { echo $error->getMessage(); die(); } } public static function delete ($roomId) { Db::command ('DELETE FROM rooms WHERE room_id=?', array ($roomId)); } } ?>