/**
* @expectedException \Sabre\VObject\Recur\MaxInstancesExceededException
*/
function testExceedMaxRecurrences()
{
$input = <<<ICS
BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
UID:foobar
DTSTART:20140803T120000Z
RRULE:FREQ=WEEKLY
SUMMARY:Original
END:VEVENT
END:VCALENDAR
ICS;
$temp = Settings::$maxRecurrences;
Settings::$maxRecurrences = 4;
try {
$vcal = Reader::read($input);
$vcal->expand(new DateTime('2014-08-01'), new DateTime('2014-09-01'));
} finally {
Settings::$maxRecurrences = $temp;
}
}
/**
* Returns an array with all instances of a recurring event. If an event was detached it's not part of the series' instances.
*
* todo: Refactor - combining eluceo/ical and sabre/vobject this way seems very expensive.
* @param Event $event
* @param \DateTime|null $dateFrom
* @param \DateTime|null $dateTo
*
* @return Event[]
*
* @throws \Exception
*/
public function getInstances(Event $event, \DateTime $dateFrom = null, \DateTime $dateTo = null, $findOnlyOne = false)
{
$eventInstances = array();
// this is necessary for using nthOccurrence, otherwise the maximum recurrence entities will result in an error
// todo: Refactor - solve recurrence count for nthOccurrence
VObject\Settings::$maxRecurrences = -1;
if (!$event->getRecurrenceRule()) {
return array($event);
}
$dateFrom = $dateFrom ? $dateFrom : $event->getDtStart();
if (!$dateFrom) {
return $eventInstances;
}
if (!$dateTo) {
//default to one year if no end is set
$dateTo = clone $event->getDtStart();
$dateTo->add(new \DateInterval('P10Y'));
}
if (!$dateFrom || !$dateTo) {
throw new \Exception('Trying to get instances of a recurring event without dateFrom and/or dateTo being set.');
}
//create the calendar
$vCalendar = new Calendar($event->getUniqueId());
if (self::isValidDateTime($event->getDtStart()) && self::isValidDateTime($event->getDtEnd())) {
$vCalendar->addComponent($event);
}
//get edited events: depending on $includeEditedEvents to mark these events as deleted or to replace them by their edited event
$editedEventsByTimestamp = array();
$qb = $this->em->createQueryBuilder();
$qb->select('e')->from('Xima\\ICalBundle\\Entity\\Component\\Event', 'e')->where('e.uniqueId = :uniqueId')->andWhere($qb->expr()->isNotNull('e.recurrenceId'))->setParameter('uniqueId', $event->getUniqueId());
$editedEvents = $qb->getQuery()->getResult();
foreach ($editedEvents as $editedEvent) {
/* @var $editedEvent \Xima\ICalBundle\Entity\Component\Event */
if (self::isValidDateTime($editedEvent->getDtStart()) && self::isValidDateTime($editedEvent->getDtEnd()) && self::isValidDateTime($editedEvent->getRecurrenceId()->getDatetime())) {
$editedEventsByTimestamp[$editedEvent->getDtStart()->getTimestamp()] = $editedEvent;
$vCalendar->addComponent($editedEvent);
}
}
//render the calendar and parse it to get all recurrences of the event
$vCalendarExpandedData = $vCalendar->render();
$vCalendarExpanded = VObject\Reader::read($vCalendarExpandedData);
/* @var $vCalendarExpanded \Sabre\VObject\Component\VCalendar */
$vCalendarExpanded = $vCalendarExpanded->expand($dateFrom, $dateTo);
foreach ($vCalendarExpanded->getComponents() as $instanceComp) {
/* @var $instanceComp \Sabre\VObject\Component\VEvent */
// It's basically the same event, but with the new calculated dates and times...
// @todo: refactor so that dtStart is set when dateFrom gets set and so on...
$dtStart = new \DateTime();
$dtStart->setTimestamp($instanceComp->DTSTART->getDateTime()->getTimestamp());
$dtEnd = new \DateTime();
$dtEnd->setTimestamp($instanceComp->DTEND->getDateTime()->getTimestamp());
$eventInstance = clone $event;
/* @var $eventInstance Event */
$eventInstance->setDtStart($dtStart);
$eventInstance->setDateFrom($dtStart);
$eventInstance->setTimeFrom($dtStart);
$eventInstance->setDtEnd($dtEnd);
$eventInstance->setDateTo($dtEnd);
$eventInstance->setTimeTo($dtEnd);
if ($findOnlyOne) {
return array($eventInstance);
}
if (isset($editedEventsByTimestamp[$instanceComp->DTSTART->getDateTime()->getTimestamp()])) {
// if the instance was detached, it's not part of the series' instances
continue;
} else {
$eventInstances[] = $eventInstance;
}
}
return $eventInstances;
}
