/**
* @param string $backendId
* @param string $privateUri
* @param string $userId
* @return null|ICalendar
*/
protected function getCached($backendId, $privateUri, $userId)
{
try {
return $this->cache->findByPrivateUri($backendId, $privateUri, $userId);
} catch (DoesNotExistMapperException $ex) {
return null;
} catch (MultipleObjectsReturnedMapperException $ex) {
//$this->logger->warn($msg); TODO
return null;
}
}
/**
* was a calendar updated?
* @param string $backendId
* @param string $privateUri
* @param string $userId
* @return boolean
*/
public function checkUpdate($backendId, $privateUri, $userId)
{
if ($this->watchPolicy === self::CHECK_ALWAYS || $this->watchPolicy === self::CHECK_ONCE && !$this->wasCalendarChecked($backendId, $privateUri, $userId)) {
$backend = $this->backends->find($backendId);
if (!$backend instanceof IBackend) {
return false;
}
$cachedCalendar = $this->cache->findByPrivateUri($backendId, $privateUri, $userId);
$this->setCheckedCalendar($backendId, $privateUri, $userId);
$calendarAPI = $backend->getCalendarAPI();
if ($calendarAPI->hasUpdated($cachedCalendar)) {
$objectScanner = $backend->getObjectScanner($cachedCalendar);
$objectScanner->scan();
$this->scanner->scanCalendar($backendId, $privateUri, $userId);
return true;
}
return false;
} else {
return false;
}
}
