server.js

const express = require('express');
const path = require('path');
const hbs = require('hbs');
const fs = require('fs');
const port = process.env.PORT || 3000;
var app = express();

//hbs.registerPartials(__dirname, + '/views/partials');
app.set('view engine', 'hbs');
hbs.registerPartials(path.join(__dirname, '/views/partials'));

hbs.registerHelper('getCurrentYear', () => {
  return  new Date().getFullYear();
});

hbs.registerHelper('screamIt', (text) => {
  return  text.toUpperCase();
});

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

//app.use((re,res,next) => {
//  res.render('maintenance.hbs');
//});

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

app.get('/', (req,res) => {
  res.render('home.hbs',{
    pageTitle: 'About Page',
    welcomeMessage: 'Welcome To My Website'

  });
});
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(`serevr is listening on port 3000`);
});