public static function ensureGroupNodes()
{
$db = Loader::db();
$tree = GroupTree::get();
$rootNode = $tree->getRootTreeNodeObject();
$rows = $db->GetCol('select Groups.gID from Groups left join TreeGroupNodes on Groups.gID = TreeGroupNodes.gID where TreeGroupNodes.gID is null');
foreach ($rows as $gID) {
$g = Group::getByID($gID);
GroupTreeNode::add($g, $rootNode);
}
}
public static function add($name)
{
// copy permissions from the other node.
$rootNode = TopicCategoryTreeNode::add();
$treeID = parent::add($rootNode);
$tree = self::getByID($treeID);
$tree->setTopicTreeName($name);
// by default, topic trees are viewable by all
$guestGroupEntity = GroupPermissionAccessEntity::getOrCreate(UserGroup::getByID(GUEST_GROUP_ID));
$pk = TopicCategoryTreeNodePermissionKey::getByHandle('view_topic_category_tree_node');
$pk->setPermissionObject($rootNode);
$pa = PermissionAccess::create($pk);
$pa->addListItem($guestGroupEntity);
$pt = $pk->getPermissionAssignmentObject();
$pt->assignPermissionAccess($pa);
return $tree;
}
