Mongoose netstedset behaviour plugin

Install

``bash
npm install mongoose-nestedset-plugin
`

Usage

`javascript
var mongoose = require('mongoose'),
Schema = mongoose.Schema,
nestedSetPlugin = require('mongoose-nestedset-plugin');

var ItemSchema = new Schema({
title: String
});

ItemSchema.plugin(nestedSetPlugin);

var Item = mongoose.model('Item', ItemSchema);
`

The plugin adds the following fields to your node:
- root - root Id to handle multiple-rooted trees
- lft - left
- rgt - right
- level - nesting level




Methods

$3

The method creates a new root node and fails if the ID has been already taken:

`javascript
Item.addRoot(1, { title: "Root 1" }, function (error, createdRoot){
// handle error or createdRoot node
});
`

$3

The method add a new node after all the children:

`javascript
Item.addChild( { _id: rootNodeId }, { title: "Child 1.1" }, function (error, createdChild){
// handle error or createdChild
});
`

$3



The method add sibling node after selected one

`javascript
Item.addAfter( { _id: siblingId }, { title: "Child 1.2" }, function (error, createdItem){
// handle
});
`

$3

`javascript
Item.getChildren( { _id: 123 }, function (error, children){
// handle
});
`

$3

`javascript
Item.getDirectChildren( { _id: 123 }, function (error, children){
// handle
});
`

$3

`javascript
Item.getTree(function (error, treeNodes){
// handle
});
`

$3

`javascript
Item.removeNode( { _id: rootNodeId }, function (error, affected) {
// handle
});
``