<?php
class LocationInfo
{
/**
* Gets the pc data and returns it's state.
*
* @param array $pc The pc data from the db. Array('state' => xx, 'lastseen' => xxx)
* @return int pc state
*/
public static function getPcState($pc)
{
$lastseen = (int)$pc['lastseen'];
$NOW = time();
if ($pc['state'] === 'OFFLINE' && $NOW - $lastseen > 21 * 86400) {
return "BROKEN";
}
return $pc['state'];
}
/**
* Return list of locationids associated with given panel.
* @param string $paneluuid panel
* @param bool $recursive if true and paneltype == SUMMARY the result is recursive with all child room ids.
* @return int[] locationIds
*/
public static function getLocationsOr404($paneluuid, $recursive = true)
{
$panel = Database::queryFirst('SELECT paneltype, locationids FROM locationinfo_panel WHERE paneluuid = :paneluuid',
compact('paneluuid'));
if ($panel !== false) {
$idArray = array_map('intval', explode(',', $panel['locationids']));
if ($panel['paneltype'] == "SUMMARY" && $recursive) {
$idList = Location::getRecursiveFlat($idArray);
$idArray = array_keys($idList);
}
return $idArray;
}
http_response_code(404);
die('Panel not found');
}
/**
* Set current error message of given server. Pass null or false to clear.
*
* @param int $serverId id of server
* @param string $message error message to set, null or false clears error.
*/
public static function setServerError($serverId, $message)
{
if ($message === false || $message === null) {
Database::exec("UPDATE `locationinfo_coursebackend` SET error = NULL
WHERE serverid = :id", array('id' => $serverId));
} else {
if (empty($message)) {
$message = '<empty error message>';
}
$error = json_encode(array(
'timestamp' => time(),
'error' => (string)$message
));
Database::exec("UPDATE `locationinfo_coursebackend` SET error = :error
WHERE serverid = :id", array('id' => $serverId, 'error' => $error));
}
}
/**
* Creates and returns a default config for room that didn't save a config yet.
*
* @return array Return a default config.
*/
public static function defaultPanelConfig($type)
{
if ($type === 'DEFAULT') {
return array(
'language' => defined('LANG') ? LANG : 'en',
'mode' => 1,
'vertical' => false,
'eco' => false,
'prettytime' => true,
'scaledaysauto' => true,
'daystoshow' => 7,
'rotation' => 0,
'scale' => 50,
'switchtime' => 20,
'calupdate' => 30,
'roomupdate' => 15,
'configupdate' => 180,
);
}
if ($type === 'SUMMARY') {
return array(
'language' => defined('LANG') ? LANG : 'en',
'calupdate' => 30,
'roomupdate' => 15,
'configupdate' => 180,
);
}
return array();
}
/**
* @param string $uuid panel uuid
* @return bool|string panel name if exists, false otherwise
*/
public static function getPanelName($uuid)
{
$ret = Database::queryFirst('SELECT panelname FROM locationinfo_panel WHERE paneluuid = :uuid', compact('uuid'));
if ($ret === false) return false;
return $ret['panelname'];
}
/**
* Hook called by runmode module where we should modify the client config according to our
* needs. Disable standby/logout timeouts, enable autologin, set URL.
* @param $machineUuid
* @param $panelUuid
*/
public static function configHook($machineUuid, $panelUuid)
{
$row = Database::queryFirst('SELECT paneltype, panelconfig FROM locationinfo_panel WHERE paneluuid = :uuid',
array('uuid' => $panelUuid));
if ($row === false) {
// TODO: Invalid panel - what should we do?
} elseif ($row['paneltype'] === 'URL') {
// Check if we should set the insecure SSL mode (accept invalid/self signed certs etc.)
$data = json_decode($row['panelconfig'], true);
if ($data && $data['insecure-ssl']) {
ConfigHolder::add('SLX_BROWSER_INSECURE', '1');
}
if ($data && $data['reload-minutes']) {
ConfigHolder::add('SLX_BROWSER_RELOAD_SECS', $data['reload-minutes'] * 60);
}
}
ConfigHolder::add('SLX_BROWSER_URL', 'http://' . $_SERVER['SERVER_ADDR'] . '/panel/' . $panelUuid);
ConfigHolder::add('SLX_ADDONS', '', 1000);
ConfigHolder::add('SLX_LOGOUT_TIMEOUT', '', 1000);
ConfigHolder::add('SLX_SCREEN_STANDBY_TIMEOUT', '', 1000);
ConfigHolder::add('SLX_SYSTEM_STANDBY_TIMEOUT', '', 1000);
ConfigHolder::add('SLX_AUTOLOGIN', '1', 1000);
ConfigHolder::add('SLX_BROWSER_INSECURE', '1'); // TODO: Sat server might redirect to HTTPS, which in turn could have a self-signed cert - push to client
}
}
