app.js

var express = require('express')
var harp = require('harp')
var logger = require('morgan')
var body_parser = require('body-parser')
var mailer = require('./mailer')

var app = express()

var logger_format = ':remote-addr - - [:date] ":method :url" :status ":referrer" ":user-agent"'
app.use(express.static(__dirname + '/_public'))
app.use(logger(logger_format))
app.use(harp.mount(__dirname + '/_public'))

// to get the contact form data
app.use(body_parser.json())
app.use(body_parser.urlencoded({ extended: true }))

app.post('/contact-submit', function (req, res, next) {
  var payload = {
    email: req.body.email,
    name: req.body.name,
    message: req.body.message
  }
  if (!payload.email || !payload.name || !payload.message) {
    return res.send(400, 'One of the fields is missing...')
  }

  mailer(payload, function (err, response) {
    if (err) {
      console.error('MAILER ERROR:', err)
      return res.send(500)
    }
    console.log('Message sent:', response.message)
    res.redirect('/contact-confirmed')
  })
})

var port = process.env.PORT || 8080
app.listen(port)
console.log('listening on port', port)