app.js

const express = require('express')
const path = require('path')
const logger = require('morgan')
const cookieParser = require('cookie-parser')
const bodyParser = require('body-parser')

const os = require('os')
const ifaces = os.networkInterfaces()

const ips = []

Object.keys(ifaces).forEach(function (ifname) {
  ifaces[ifname].forEach(function (iface) {
    if (iface.family !== 'IPv4' || iface.internal !== false) {
      // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses
      return
    }
    ips.push(iface.address)
  })
})

// routes
const indexRoutes = require('./routes/index')
const smsRoutes = require('./routes/sms')
const airtimeRoutes = require('./routes/airtime')
const paymentRoutes = require('./routes/payments')
const voiceRoutes = require('./routes/voice')

const app = express()

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

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))

app.all('*', (req, res, next) => {
  res.locals.commonData = {
    title: 'Africa\'s Talking',
    server: ips.map(ip => `${ip}:35897`).join('\n')
  }
  next()
})

app.use('/', indexRoutes)
app.use('/sms', smsRoutes)
app.use('/airtime', airtimeRoutes)
app.use('/payments', paymentRoutes)
app.use('/voice', voiceRoutes)

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  const err = new Error('Not Found')
  err.status = 404
  next(err)
})

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

  // render the error page
  res.status(err.status || 500)
  res.render('error', { title: 'Africa\'s Talking', server: ips.map(ip => `${ip}:35897`).join('\n') })
})

module.exports = app