function lookup($id, $tid)
{
return $id && ($lock = new TicketLock($id, $tid)) && $lock->getId() == $id ? $lock : null;
}
function renewLock($params)
{
global $thisuser;
if (!$params['id'] or !is_numeric($params['id'])) {
return '{"id":0, "retry":true}';
}
$lock = new TicketLock($params['id']);
if (!$lock->load() || !$lock->getStaffId() || $lock->isExpired()) {
//Said lock doesn't exist or is is expired
return TicketsAjaxAPI::acquireLock($params);
}
//acquire the lock
if ($lock->getStaffId() != $thisuser->getId()) {
//user doesn't own the lock anymore??? sorry...try to next time.
return '{"id":0, "retry":false}';
}
//Give up...
//Renew the lock.
$lock->renew();
//Failure here is not an issue since the lock is not expired yet..
return '{"id":' . $lock->getId() . ', "time":' . $lock->getTime() . '}';
}