server.js

// use javascript in strict mode
'use strict';

// import all required modules
const express = require("express");
const logger = require('./utils/logger');
const exphbs = require('express-handlebars');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const fileUpload = require('express-fileupload');

// initialise project
const app = express();

// static files output to public folder
app.use(express.static("public"));

// use bodyParser, cookieParser, fileUpload
app.use(bodyParser.urlencoded({ extended: false, }));
app.use(cookieParser());
app.use(fileUpload());

// use handlebars as view engine
app.engine('.hbs', exphbs({
  extname: '.hbs',
  defaultLayout: 'main',
    helpers: {
      uppercase: (inputString) => {
        return inputString.toUpperCase();
      },

      formatDate: (date) =>  {
        let dateCreated = new Date(date);
        let dateNum = dateCreated.getDate();
        let month = dateCreated.getMonth();
        let year = dateCreated.getFullYear();
        let day = dateCreated.getDay();

        let months = [
          "January",
          "February",
          "March",
          "April",
          "May",
          "June",
          "July",
          "August",
          "September",
          "October",
          "November",
          "December"
        ];
        let days = [
          "Mon",
          "Tue",
          "Wed",
          "Thu",
          "Fri",
          "Sat",
          "Sun"
        ];
        let dayname = days[day];
        let monthname = months[month];
        return `${dayname} ${monthname} ${dateNum}, ${year}`;
      },
      
      populate: (genre) => {
        const genres = ["Action", "Crime", "Drama", "Comedy", "Romantic", "Historic"]
        genres.splice(genres.indexOf(genre), 1)
        let options = ``
        for (let item of genres) {
          options+=`<option value ="${item}">${item}</option>`         
        }    
        return options      
      },
      
      capitalise: (str) => {
       let words=str.split(" ")
       let formattedname=""
       words.forEach(word => formattedname+= `${word.charAt(0).toUpperCase()}${word.substring(1,).toLowerCase()} `)
       return formattedname 
    }
    }
}));
app.set('view engine', '.hbs');

// import routes file and use this for routing
const routes = require('./routes');
app.use('/', routes);

// listen for requests :)
const listener = app.listen(process.env.PORT || 4000, function () {
  logger.info('Your app is listening on port ' + listener.address().port);
});