Memory REST API

index.js

var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var uuid = require('uuid');

var students = [];

// parse application/json
app.use(bodyParser.json());

app.get('/students', function(req, res){
	res.json(students);
});

app.post('/students', function(req, res){
	var id = uuid.v4();
	var student = req.body;
	student.id = id;
	students.push(student);
	res.status(201).send(student);
});

app.delete('/students/:id', function(req, res){
	var student = getStudentByID(req.params.id);
	if(student){
		students.splice(students.indexOf(student), 1);
		return res.send("ok");
	}
	return res.send("");
});

app.put('/students/:id', function(req, res){
	var student = getStudentByID(req.params.id);
	if(student){
		var id = req.params.id;
		for(var key in req.body){
			student[key] = req.body[key];
		}
		student.id = id;
		return res.send("OK");
	}
	return res.send("");

});

app.get('/students/:id', function(req, res){	
	var student = getStudentByID(req.params.id);
	if(student){
		res.json(student);
	}else{
		res.json({});
	}
});

function getStudentByID(id){
	var student = students.filter(function(s){
		return s.id == id;
	});
	return student? student[0] : null;
}

app.listen(80);