private function onRaisePrio(GWF_HelpdeskTicket $ticket, $add = 1)
{
$add = (int) $add;
if ($add === 0) {
return '';
}
$old = $ticket->getPriority();
if ($add > 0) {
if ($old + $add > 20) {
return $this->module->error('err_priority', array(0, 20));
}
} else {
if ($old + $add < 0) {
return $this->module->error('err_priority', array(0, 20));
}
}
$old += $add;
if (false === $ticket->increase('hdt_priority', $add)) {
return GWF_HTML::err('ERR_DATABASE', array(__FILE__, __LINE__));
}
if ($add > 0) {
return $this->module->message('msg_raised', array($add));
} else {
return $this->module->message('msg_lowered', array(-$add));
}
}
