function releaseLock($params)
{
global $thisuser;
if ($params['id'] && is_numeric($params['id'])) {
//Lock Id provided!
$lock = new TicketLock($params['id']);
//Already gone?
if (!$lock->load() || !$lock->getStaffId() || $lock->isExpired()) {
//Said lock doesn't exist or is is expired
return 1;
}
//make sure the user actually owns the lock before releasing it.
return $lock->getStaffId() == $thisuser->getId() && $lock->release() ? 1 : 0;
} elseif ($params['tid']) {
//release all the locks the user owns on the ticket.
return TicketLock::removeStaffLocks($thisuser->getId(), $params['tid']) ? 1 : 0;
}
return 0;
}
function renewLock($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() . '}';
}