Simple Api implementation

gistfile1.js

var express = require('express'),
    app = express();

var bodyParser = require('body-parser');
app.use(bodyParser());

var makeResource = require('catnap').makeResource;

// This simulates our datastore.
var users = [{
		id: '1',
		name: 'foo',
		email: 'foo@example.com',
		salt: 'abc'
	}, {
		id: '2',
		name: 'bar',
		email: 'bar@example.com',
		salt: 'def'
	}];

users.findById = function (id) {
	for (var i = 0; i < users.length; ++i) {
		if (users[i].id === id) return users[i];
	}
};

/**
 * User Resource - /users/:userId
 * Supported action: GET
 * media type: hal+json
 */
var userResource = makeResource('user', '/users/:userId')

	.representation(function(user) {
		// Let's filter out the salt here.
		return {
			id: user.id,
			name: user.name,
			email: user.email,
			_links: {
				self: {
					href: this.path.replace(':userId', user.id)
				}
			}
		};
	})

	.representation('partial', function(user) {
		return {
			id: user.id,
			name: user.name,
			_links: {
				self: {
					href: this.path.replace(':userId', user.id)
				}
			}
		};
	})

	.get(function(req, res) {
		var user = users.findById(req.params.userId);
		if (!user) {
			return res.send(400);
		}

		return res.send(200, userResource(user));
	})

	.attachTo(app);


/**
 * Users Resource - /users
 * Supported action: GET, POST
 * media type: hal+json
 */
var usersResource = makeResource('users', '/users')

	.representation(function (users) {
		return {
			count: users.length,
			_embedded: {
				users: users.map(function (user) {
					return userResource(user, 'partial');
				})
			}
		};
	})

	.get(function (req, res) {
		res.send(200, usersResource(users));
	})

	.post(function (req, res, next) {
		var newUser = req.body;
		console.log(newUser);
		users.push(newUser);

		res.send(201, userResource(newUser));
	})

	.attachTo(app);


var server = app.listen(3001, function() {
    console.log('Listening on port %d', server.address().port);
});