private function getEventNodeProperties(PhutilCalendarEventNode $event)
{
$properties = array();
$uid = $event->getUID();
if (!strlen($uid)) {
throw new Exception(pht('Unable to write ICS document: event has no UID, but each event ' . 'MUST have a UID.'));
}
$properties[] = $this->newTextProperty('UID', $uid);
$created = $event->getCreatedDateTime();
if ($created) {
$properties[] = $this->newDateTimeProperty('CREATED', $event->getCreatedDateTime());
}
$dtstamp = $event->getModifiedDateTime();
if (!$dtstamp) {
throw new Exception(pht('Unable to write ICS document: event has no modified time, but ' . 'each event MUST have a modified time.'));
}
$properties[] = $this->newDateTimeProperty('DTSTAMP', $dtstamp);
$dtstart = $event->getStartDateTime();
if ($dtstart) {
$properties[] = $this->newDateTimeProperty('DTSTART', $dtstart);
}
$dtend = $event->getEndDateTime();
if ($dtend) {
$properties[] = $this->newDateTimeProperty('DTEND', $event->getEndDateTime());
}
$name = $event->getName();
if (strlen($name)) {
$properties[] = $this->newTextProperty('SUMMARY', $name);
}
$description = $event->getDescription();
if (strlen($description)) {
$properties[] = $this->newTextProperty('DESCRIPTION', $description);
}
$organizer = $event->getOrganizer();
if ($organizer) {
$properties[] = $this->newUserProperty('ORGANIZER', $organizer);
}
$attendees = $event->getAttendees();
if ($attendees) {
foreach ($attendees as $attendee) {
$properties[] = $this->newUserProperty('ATTENDEE', $attendee);
}
}
return $properties;
}
