server.js

const express = require('express')
const hbs = require('hbs')
const fs = require('fs')
const port = process.env.PORT
var app = express()
hbs.registerPartials(__dirname + '/views/partials')
app.set('port', (process.env.PORT || 5000));
app.set('view engine', 'hbs')

app.use((req, res, next) => {
  var now = new Date().toString()
  var log = `${now}: ${req.method} ${req.url}`
  fs.appendFile('server.log', log + '\n', (err) => {
    if (err) {
      console.log('Unable to append to server.log')
    }
  })
  next()
})

/**
app.use((req, res) => {
  res.render('maintanance.hbs')
})**/

app.use(express.static(__dirname +'/public'))

hbs.registerHelper('getCurrentYear', () => {
  return new Date().getFullYear()
})
hbs.registerHelper('screamIT', (text) => {
  return text.toUpperCase()
})
app.get('/', (req, res) => {
  res.render('home.hbs', {
    pageTitle: 'Home',
    welcomeMessage: 'This is a test page'
  })
})
app.get('/about', (req, res) => {
  res.render('about.hbs', {
    pageTitle: 'About Page'
  })
})
app.get('/bad', (req, res) => {
  res.send({
    errorMessage: 'Unable to handle request'
  })
})
app.listen(port, () => {
  console.log(`Server is up on ${port}`)
})