Manipulate Doctrine NestedSet tree - zend-framework

Question

I am using NestedSet behavior with doctrine 1.2.4 with Zend framework
but i am having some difficulty when inserting a child node of already saved root node
the Doctrine documentation showed the case of creating both root + child elements on the same page
while in my case , the root is already created and saved and i need to insert a child of it
here is an example
//// reading old order info
$order = new Order();
$orderInfo = $order->read($order_id);
$oldOrder = $orderInfo->toArray();
$oldOrder = $oldOrder[0];
//// building the new order information
$renew = new Orders();
$renew->domain_id = (int) $oldOrder["domain_id"];
$renew->auth_id = (int) $oldOrder["auth_id"];
$renew->price = $oldOrder["price"];
$renew->type = (string) $oldOrder["type"];
$renew->timestamp = $oldOrder["timestamp"];
$renew->save();
//// doctrine throwing an error here complaining the $orderInfo should be an instance of Doctrine_Record while its now an instance of Doctrine_Collection
$aa = $renew->getNode()->insertAsLastChildOf($orderInfo);
i don't really know how to retrieve the order from the db and how to convert it to doctrine_record or there is other ways to manipulate this nestedset
any suggestion would be appreciated

Answer 1

Try this:
// This will retrieve the 'parent' record
$orderInfo = Doctrine_Core::getTable('Order')->find($order_id);
// building the new order information
$renew = new Orders();
$renew->domain_id = (int) $oldOrder["domain_id"];
$renew->auth_id = (int) $oldOrder["auth_id"];
$renew->price = $oldOrder["price"];
$renew->type = (string) $oldOrder["type"];
$renew->timestamp = $oldOrder["timestamp"];
$renew->save();
$renew->getNode()->insertAsLastChildOf($orderInfo);
That should get a Doctrine Record of the parent node and you can use that to insert the child as the last child of.