public static function serveNextTicket($topicalDomains, $op_code, $desk_number)
{
if (!$topicalDomains) {
throw new Exception(__METHOD__ . " Provided empty topicalDomains array");
}
$topicalDomains = (array) $topicalDomains;
$desk_number = (int) $desk_number;
$conn = Database::getConnection();
$topicalDomains = array_map('strtoupper', $topicalDomains);
$topicalDomains = array_map(array($conn, 'quote'), $topicalDomains);
$topicalDomains = implode(",", $topicalDomains);
$row = self::getNextTicket($topicalDomains);
if (!$row) {
global $gvCallOtherTdWhenEmpty;
if (!$gvCallOtherTdWhenEmpty) {
// No ticket to be served
return null;
}
// Try again with all topical domains
$row = self::getNextTicket(false);
if (!$row) {
// No ticket at all in the queue
return null;
}
}
$ticket = self::newFromDatabaseRow($row, 'ticket_in');
$ticket->decrementNoticeCounter();
self::sendNotices();
$ticket->sendYourTurn();
$ticket->moveToNextTable($op_code, $desk_number);
$ticket->save();
// Add ticket to display_main table
DisplayMain::addRecord($ticket);
return $ticket;
}
