/**
* 取得所有后代节点ID
*
* @param integer $roleId
* @return array
*/
public function findDescendants($roleId)
{
$relation = array();
foreach ($this->_roleDAO->fetchAll(array('role_id > ?' => $roleId)) as $row) {
$relation[$row['role_parent']][] = $row['role_id'];
}
if (!array_key_exists($roleId, $relation)) {
$descendants = array();
} else {
$descendants = $relation[$roleId];
foreach ($relation as $parent => $roles) {
if (in_array($parent, $descendants)) {
$descendants = array_merge($descendants, $roles);
}
}
}
return $descendants;
}
/**
* 取得自身及所有子角色
*
* @param integer|null $count 总共取出多少数据
* @param integer $offset 从哪一行开始取数据
* @return ZtChart_Model_Db_Table_Rowset
*/
public function getSelfAndChildRoles($count = null, $offset = 0)
{
$roleDAO = new ZtChart_Model_DbTable_Role();
return $roleDAO->fetchAll($this->isAdmin() ? null : $roleDAO->select()->where('role_parent = ?', $this->_roleId)->orWhere('role_id = ?', $this->_roleId));
}
