function main()
{
// Check whether this device needs to be redirected somewhere
$dev = Device::fromDatabaseByIpAddress($_SERVER['REMOTE_ADDR']);
if ($content = getContentForRedirect($dev, 0)) {
$output = new JsonOutput();
$output->setContent($content);
$output->output();
exit;
}
$td_code = gfGetVar('td_code', '');
$lastTicket = gfGetVar('lastTicket', 'A000');
$content = null;
$startTime = time();
while (time() - $startTime < 120) {
sleep(1);
// Check every second
$currentState = DisplayMain::fromDatabaseCompleteList($td_code);
if (count($currentState) == 0) {
continue;
}
if ($lastTicket != $currentState[0]->getTicket()) {
// Something changed, compute new tickets
$newTickets = array($currentState[0]);
$i = 1;
while ($i < count($currentState) && $i < 8 && $lastTicket != $currentState[$i]->getTicket()) {
$newTickets[] = $currentState[$i];
$i++;
}
$content = array('status' => 'changed', 'count' => count($newTickets), 'entries' => $newTickets);
break;
}
unset($currentState);
}
// End while
if (!$content) {
// Polling wait expired
$content = array('status' => 'unchanged');
}
$output = new JsonOutput();
$output->setContent($content);
$output->output();
}
public static function addRecord($ticket)
{
$entry = DisplayMain::newRecord();
list($min, $max) = self::getMinMaxId();
$entry->dm_id = $max + 1;
$entry->setTicket($ticket);
$desk = $ticket->getDeskNumber();
$entry->setDesk($desk);
$entry->save();
// Delete an old record?
if ($max - $min == 99) {
$old = self::fromDatabaseById($min);
$old->delete();
}
}
public static function serveNextTicket($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;
}
