/**
* @param IBackend $backend
* @param ICalendar $calendar
* @param ICalendar $cachedCalendar
* @return ICalendar
*/
protected function resetUnsupportedProperties(IBackend $backend, ICalendar $calendar, ICalendar $cachedCalendar)
{
$backendAPI = $backend->getBackendAPI();
if (!$backendAPI->canStoreColor()) {
$calendar->setColor($cachedCalendar->getColor());
}
if (!$backendAPI->canStoreComponents()) {
$calendar->setComponents($cachedCalendar->getComponents());
}
if (!$backendAPI->canStoreDescription()) {
$calendar->setDescription($cachedCalendar->getDescription());
}
if (!$backendAPI->canStoreDisplayname()) {
$calendar->setDisplayname($cachedCalendar->getDisplayname());
}
if (!$backendAPI->canStoreEnabled()) {
$calendar->setEnabled($cachedCalendar->getEnabled());
}
if (!$backendAPI->canStoreOrder()) {
$calendar->setOrder($cachedCalendar->getOrder());
}
return $calendar;
}