private function SaveMemberGroups()
{
$selectedIDs = Request::PostArray('MemberGroup');
if ($this->Content()->GetGuestsOnly()) {
$selectedIDs = array();
}
$exIDs = Membergroup::GetKeyList(MembergroupUtil::ContentMembergroups($this->Content()));
$this->DeleteOldMemberGroups($selectedIDs);
$this->SaveNewMemberGroups($selectedIDs, $exIDs);
}
/**
* Checks access to a content
* @param Content $content The content
* @return GrantResult The result of the check
*/
private function GrantOnContent(Content $content)
{
$groups = MembergroupUtil::ContentMembergroups($content);
return $this->GrantByProperties($content->GetGuestsOnly(), $content->GetPublish(), $content->GetPublishFrom(), $content->GetPublishTo(), $groups);
}
