api.js

var express 	= require('express'),
	Bourne 		= require('bourne'),
	bodyParser	= require('body-parser'),

	db			= new Bourne('data.json'),
	router		= express.Router(); 

router
	.use(function (req, res, next) {
		if(!req.user) req.user = { id: 1 };
		next();
	})
	.use(bodyParser.json())
	.route('/contact')
		.get(function(req,res) {
			db.find({ userId: parseInt(req.user.id, 10)}, function (err, data) {
				res.json(data);
			});
		})
		.post(function(req,res) {
			var contact = req.body;
			contact.userId = req.user.id;

			db.insert(contact, function(err, data) {
				res.json(data);
			});
		});

router
	.param('id', function (req, res, next) {
		req.dbQuery = { id: parseInt(req.params.id, 10)}
	})
	.route('/contact/:id')
	.get(function (req, res) {
		db.findOne(req.dbQuery, function (err, data) {
			res.json(data);
		});
	})
	.put(function (req,res) {
		var contact = req.body;
		delete contact.$promise;
		delete contact.$resolved;
		db.update(req.dbQuery, contact, function(err, data) {
			res.json(data[0]);
		});
	})
	.delete(function (req, res){
		db.delete(req.dbQuery, function () {
			res.json(null);
		});
	});

module.exports = router;