fugadalcontrollo/app.js

const express = require('express')
const path = require('path')
const indexRouter = require('./routes/index')
const { MAINTENANCE, BASE, DEV } = require('./config')

const app = express()

// view engine setup
app.set('views', path.join(__dirname, 'views'))
app.set('view engine', 'pug')

app.use(express.urlencoded({ extended: false }))
app.use(express.static(path.join(__dirname, 'public')))

app.locals.base = BASE

if (MAINTENANCE) {
  app.get('/', (req, res) => res.render('maintenance'))
  app.use('/test', indexRouter)
} else {
  app.use('/', indexRouter)
}

// catch 404
app.use( (req, res) => res.render('404') )

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = DEV ? err.message : ''
  res.locals.error = DEV ? err : {}

  // render the error page
  res.status(err.status || 500)
  res.render('error')
})

module.exports = app