private function importEvents(Calendar $calendar, VCalendar $document)
{
// Prepare by deleting all existing events
foreach ($calendar->getEvents() as $event) {
$this->getEntityManager()->remove($event);
}
$calendar->getEvents()->clear();
// Abort if there is no events at all
if (!$document->VEVENT) {
return;
}
// First, import only originals, because we want to save RRULE before it is destroyed when expanding
$originals = [];
foreach ($document->VEVENT as $vevent) {
if (!$vevent->__get('RECURRENCE-ID')) {
$event = $this->importEvent($calendar, $vevent);
$originals[$event->getUid()] = $event;
}
}
// Expand repetitions 2 month in the past and 1 year in the future
$now = Utility::getNow();
$start = $now->sub(new \DateInterval('P2M'));
$end = $now->add(new \DateInterval('P1Y'));
// Then we expand recurent rules
$expandedDocument = $document->expand($start, $end);
// Abort if there is no repetitions at all
if (!$expandedDocument->VEVENT) {
return;
}
// Finally re-import, but this time only the recurrent things
foreach ($expandedDocument->VEVENT as $vevent) {
$original = $this->findOriginal($originals, $vevent);
if ($original) {
$repetition = $this->importEvent($calendar, $vevent);
$repetition->setOriginal($original);
}
}
}