validation.js

var express = require('express'); //reference

var app = express(); //instance
var port = 5000;

app.use(express.static('public'));

app.set('views', './src/views');
app.set('view engine', 'ejs');

// configure bodyParser for handling POST data
var bodyParser = require('body-parser');

// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }));

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

var methodOverride = require('method-override')
app.use(methodOverride('_method'));

var nav = [
    {
        link: '/movies',
        title: "Movies"
    }
]
var movies = [
    {
        title: 'Rogue One: A Star Wars Story',
        year: '2016'
    },
    {
        title: 'Sing',
        year: '2016'
    },
    {
        title: 'Jurassic World',
        year: '2015'
    }
];

//index
app.get('/', function(req, res){
    res.render('index', {title: 'Hello from EJS', list: ['a', 'b']});
});

app.get('/movies', function(req, res){
    res.render('movies', {title: 'Movies', movies: movies, nav: nav});
});

app.post('/movies', function(req, res){
    console.log("POST request to /movies");
    movies.push({title: req.body.title, year: req.body.year});
    res.redirect('/movies');
});

app.delete('/movies/:id', function(req, res){
    console.log("DELETE request to /movies");
    var id = parseInt(req.params.id);
    if (movies.length >= (id + 1)){
        console.log("Deleting " + movies[id].title);
        movies.splice(id, 1);    
    }
    res.redirect('/movies');
});

app.listen(port, function(err){
    console.log("Listening on port: " + port);
});