/**
* Finds the parent rights
* @return BackendContentRights
*/
private function FindParentRights()
{
$parentRights = null;
$parentContent = $this->Content()->Exists() ? ContentTreeUtil::ParentOf($this->Content()) : null;
if ($parentContent) {
$parentRights = RightsFinder::FindContentRights($parentContent);
}
if (!$parentRights) {
switch ($this->Location()) {
case Enums\ContentLocation::Page():
$pageRights = RightsFinder::FindPageRights($this->Page());
$parentRights = $pageRights ? $pageRights->GetContentRights() : null;
break;
case Enums\ContentLocation::Layout():
$layoutRights = $this->Area()->GetLayout()->GetUserGroupRights();
$parentRights = $layoutRights ? $layoutRights->GetContentRights() : null;
break;
case Enums\ContentLocation::Container():
$containerRights = $this->Container()->GetUserGroupRights();
$parentRights = $containerRights ? $containerRights->GetContentRights() : null;
break;
}
}
return $parentRights;
}
/**
* Calculates the grant result for a content
* @param Content $content The content
* @param BackendAction $action The action that shall be taken on the content
* @return GrantResult Returns the calculated grant result
*/
private function GrantOnContent(Content $content, BackendAction $action)
{
if ($this->GetUser()->Equals($content->GetUser())) {
return GrantResult::Allowed();
}
$contentRights = RightsFinder::FindContentRights($content);
$contentGroup = GroupFinder::FindContentGroup($content);
if (!$contentRights || !$contentGroup) {
return GrantResult::NoAccess();
}
$groups = $this->GetGroups();
foreach ($groups as $group) {
$result = $this->GrantGroupOnContent($group, $contentGroup, $contentRights, $action);
if ($result->Equals(GrantResult::Allowed())) {
return $result;
}
}
return GrantResult::NoAccess();
}
