/**
* enforce acl restrictions to alarm options
*
* @param Calendar_Model_Event $_event
* @param Calendar_Model_Event $_currentEvent
* @return bool true if alarms have updates
*/
public static function enforceACL($_event, $_currentEvent = NULL)
{
$alarms = $_event->alarms instanceof Tinebase_Record_RecordSet ? $_event->alarms : new Tinebase_Record_RecordSet('Tinebase_Model_Alarm');
$currentAlarms = $_currentEvent && $_currentEvent->alarms instanceof Tinebase_Record_RecordSet ? $_currentEvent->alarms : new Tinebase_Record_RecordSet('Tinebase_Model_Alarm');
// 1. assemble attendeeSet curruser has rights for
// 2. enforcethe rights ;-)
if ($_currentEvent) {
$alarms->record_id = $_currentEvent->getId();
}
}
/**
* computes monthly (byday) recurring events and inserts them into given $_recurSet
*
* @param Calendar_Model_Event $_event
* @param Calendar_Model_Rrule $_rrule
* @param array $_exceptionRecurIds
* @param Tinebase_DateTime $_from
* @param Tinebase_DateTime $_until
* @param Tinebase_Record_RecordSet $_recurSet
* @return void
*/
protected static function _computeRecurMonthlyByDay($_event, $_rrule, $_exceptionRecurIds, $_from, $_until, $_recurSet)
{
$eventInOrganizerTZ = clone $_event;
$eventInOrganizerTZ->setTimezone($_event->originator_tz);
$computationStartDateArray = self::date2array($eventInOrganizerTZ->dtstart);
// if period contains base events dtstart, we let computation start one intervall to early to catch
// the cases when dtstart of base event not equals the first instance. If it fits, we filter the additional
// instance out later
if ($eventInOrganizerTZ->dtstart->isLater($_from) && $eventInOrganizerTZ->dtstart->isEarlier($_until)) {
$computationStartDateArray = self::addMonthIgnoringDay($computationStartDateArray, -1 * $_rrule->interval);
}
$computationEndDate = $_event->rrule_until instanceof DateTime && $_until->isLater($_event->rrule_until) ? $_event->rrule_until : $_until;
// if dtstart is before $_from, we compute the offset where to start our calculations
if ($eventInOrganizerTZ->dtstart->isEarlier($_from)) {
$computationOffsetMonth = self::getMonthDiff($eventInOrganizerTZ->dtend, $_from);
// NOTE: $computationOffsetMonth must be multiple of interval!
$computationOffsetMonth = floor($computationOffsetMonth / $_rrule->interval) * $_rrule->interval;
$computationStartDateArray = self::addMonthIgnoringDay($computationStartDateArray, $computationOffsetMonth - $_rrule->interval);
}
$eventLength = $eventInOrganizerTZ->dtstart->diff($eventInOrganizerTZ->dtend);
$computationStartDateArray['day'] = 1;
$byDayInterval = (int) substr($_rrule->byday, 0, -2);
$byDayWeekday = substr($_rrule->byday, -2);
if ($byDayInterval === 0 || !(isset(self::$WEEKDAY_DIGIT_MAP[$byDayWeekday]) || array_key_exists($byDayWeekday, self::$WEEKDAY_DIGIT_MAP))) {
throw new Exception('mal formated rrule byday part: "' . $_rrule->byday . '"');
}
while (true) {
$computationStartDateArray = self::addMonthIgnoringDay($computationStartDateArray, $_rrule->interval);
$computationStartDate = self::array2date($computationStartDateArray, $eventInOrganizerTZ->originator_tz);
$recurEvent = self::cloneEvent($eventInOrganizerTZ);
$recurEvent->dtstart = clone $computationStartDate;
if ($byDayInterval < 0) {
$recurEvent->dtstart = self::array2date(self::addMonthIgnoringDay($computationStartDateArray, 1), $eventInOrganizerTZ->originator_tz);
$recurEvent->dtstart->subDay(1);
}
self::skipWday($recurEvent->dtstart, $byDayWeekday, $byDayInterval, TRUE);
// we calculate dtend from the event length, as events during a dst boundary could get dtend less than dtstart otherwise
$recurEvent->dtend = clone $recurEvent->dtstart;
$recurEvent->dtend->add($eventLength);
$recurEvent->setTimezone('UTC');
if ($computationEndDate->isEarlier($recurEvent->dtstart)) {
break;
}
// skip non existing dates
if ($computationStartDate->get('m') != $recurEvent->dtstart->get('m')) {
continue;
}
// skip events ending before our period.
// NOTE: such events could be included, cause our offset only calcs months and not seconds
if ($_from->compare($recurEvent->dtend) >= 0) {
continue;
}
// skip instances begining before the baseEvent
if ($recurEvent->dtstart->compare($_event->dtstart) < 0) {
continue;
}
// skip if event equal baseevent
if ($_event->dtstart->equals($recurEvent->dtstart)) {
continue;
}
$recurEvent->setRecurId($_event->getId());
if (!in_array($recurEvent->recurid, $_exceptionRecurIds)) {
self::addRecurrence($recurEvent, $_recurSet);
}
}
}
/**
* prepares an exception instance for persistence
*
* @param Calendar_Model_Event $_baseEvent
* @param Calendar_Model_Event $_exception
* @return void
* @throws Tinebase_Exception_InvalidArgument
*/
protected function _prepareException(Calendar_Model_Event $_baseEvent, Calendar_Model_Event $_exception)
{
if (!$_baseEvent->uid) {
throw new Tinebase_Exception_InvalidArgument('base event has no uid');
}
if ($_exception->is_deleted == false) {
$_exception->container_id = $_baseEvent->container_id;
}
$_exception->uid = $_baseEvent->uid;
$_exception->base_event_id = $_baseEvent->getId();
$_exception->recurid = $_baseEvent->uid . '-' . $_exception->getOriginalDtStart()->format(Tinebase_Record_Abstract::ISO8601LONG);
// NOTE: we always refetch the base event as it might be touched in the meantime
$currBaseEvent = $this->_eventController->get($_baseEvent, null, false);
$_exception->last_modified_time = $currBaseEvent->last_modified_time;
}
/**
* gets attendee of a given event
*
* @param Calendar_Model_Event $_event
* @return Tinebase_Record_RecordSet
*/
public function getEventAttendee(Calendar_Model_Event $_event)
{
$attendee = $this->_attendeeBackend->getMultipleByProperty($_event->getId(), Calendar_Backend_Sql_Attendee::FOREIGNKEY_EVENT);
return $attendee;
}
/**
* create event exception
*
* @param Calendar_Model_Event $event
* @return Calendar_Model_Event
*/
protected function _createEventException($event)
{
$newException = clone $event;
$newException->id = NULL;
$newException->base_event_id = $event->getId();
$newException->recurid = clone $newException->dtstart;
$newException->recurid->addDay(3);
$newException->dtstart->addDay(3)->addHour(2);
$newException->dtend->addDay(3)->addHour(2);
$newException->summary = 'new exception';
$newException->exdate = NULL;
return $newException;
}
/**
* converts events to calendar objects
*
* @param Calendar_Model_Event $event (from MSFacade atm.)
*/
protected function _convertCalendarObject($event)
{
$eventId = $event->getId();
$lastModified = $event->last_modified_time ? $event->last_modified_time : $event->creation_time;
// we always use a event set to return exdates at once
$eventSet = new Tinebase_Record_RecordSet('Calendar_Model_Event', array($event));
if ($event->rrule) {
foreach ($event->exdate as $exEvent) {
if (!$exEvent->is_deleted) {
$eventSet->addRecord($exEvent);
$event->exdate->removeRecord($exEvent);
}
}
// remaining exdates are fallouts
$event->exdate = $event->exdate->getOriginalDtStart();
}
$exporter = new Calendar_Export_Ical();
$ics = $exporter->eventToIcal($eventSet);
// work arround broken exdate handling in apple ical
// -> not neccesary at the moment this is done generally in ics export
return array('id' => $eventId, 'uri' => $eventId, 'lastmodified' => $lastModified->getTimeStamp(), 'calendardata' => $ics);
}
/**
* increases content sequence of attender display container
*
* @param Calendar_Model_Attender $attender
* @param Calendar_Model_Event $event
* @param string $action
*/
protected function _increaseDisplayContainerContentSequence($attender, $event, $action = Tinebase_Model_ContainerContent::ACTION_UPDATE)
{
if ($event->container_id === $attender->displaycontainer_id || empty($attender->displaycontainer_id)) {
// no need to increase sequence
return;
}
Tinebase_Container::getInstance()->increaseContentSequence($attender->displaycontainer_id, $action, $event->getId());
}