fugadalcontrollo/routes/index.js

const express = require('express')
const router = express.Router()

const fromTor = require('./tor')

// magic
const render = template => (req, res) => res.render(template)

router.get('/', render('index'))

// livello I
router.get('/subito', fromTor,
    (req, res) => res.render(req.fromTor ? 'torok' : 'tornook') )

// livello II
router.get('/metadata', render('metadata'))

module.exports = router