public function createItem($obj)
{
$object = array();
$object["user_id"] = $obj->user_id;
$object["open_item_id"] = $obj->open_item_id;
$object["title"] = $obj->title;
$object["body"] = $obj->body;
$object["published"] = $obj->published;
$item_id = $this->insert($object);
$ret = $this->getById($item_id);
return $ret;
}