/**
* Deletes an event from this calendar.
*
* @param string|object $calendar_event The id of an event or an event object of type CalendarEvent.
* @param boolean $all If true all events of a group event will be deleted.
* @return boolean|int The number of deleted events. False if the event was not deleted.
*/
public function deleteEvent($calendar_event, $all = false)
{
if ($this->havePermission(Calendar::PERMISSION_WRITABLE)) {
if (!is_object($calendar_event)) {
$calendar_event = CalendarEvent::find(array($this->getRangeId(), $calendar_event));
}
if (!($calendar_event && $calendar_event->havePermission(Event::PERMISSION_WRITABLE))) {
return false;
}
if (!is_a($calendar_event, 'CalendarEvent')) {
return false;
}
if ($this->getRange() == Calendar::RANGE_USER) {
$event_message = clone $calendar_event;
$author_id = $calendar_event->getAuthorId();
$deleted = $calendar_event->delete();
if ($deleted && !$this->havePermission(Calendar::PERMISSION_OWN)) {
$this->sendDeleteMessage($event_message);
}
if ($all && $deleted && $author_id == $this->getRangeId()) {
CalendarEvent::findEachBySQL(function ($ce) use($deleted) {
$calendar = new SingleCalendar($ce->range_id);
$deleted += $calendar->deleteEvent($ce);
}, 'event_id = ?', array($event_message->event_id));
}
return $deleted;
} else {
if ($this->getRange() == Calendar::RANGE_SEM) {
$deleted = $calendar_event->delete();
return $deleted;
}
}
}
return false;
}
