index.js

'use strict';

// Dependencies
const express = require('express');
const expressHandlebars = require('express-handlebars');
const expressSession = require('express-session');
const flash = require('connect-flash');
const logger = require('morgan');
const chalk = require('chalk');

// Imports
const database = require('./database');
const socket = require('./socket');
const authentication = require('./authentication');

// Routers
const indexRouter = require('./routes/index');
const usersRouter = require('./routes/users');

// Initialise app
const app = express();

// Initialise server
const server = socket(app);

// Set port
const PORT = process.env.PORT || 8080;
app.set('port', PORT);

// Set view engine
app.engine('handlebars', expressHandlebars({ defaultLayout: false }));
app.set('view engine', 'handlebars');

// Set static path
app.use(express.static('static'));

// HTTP logger middleware
app.use(logger('tiny'));

// Body parser middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// Session middleware
const session = expressSession({
    store: database.sessionStore(expressSession),
    secret: 'secret',
    resave: false,
    saveUninitialized: false,
    cookie: { maxAge: 1 * 24 * 60 * 60 * 1000 } // 1 day
});
app.use(session);
socket.session(session);

// Authentication middleware
app.use(authentication);

// Flash messaging middleware
app.use(flash());
// Custom middleware to load preset flash messages into local variables
app.use((req, res, next) => {
    res.locals.flash_success = req.flash('success');
    res.locals.flash_danger = req.flash('danger');
    res.locals.flash_warning = req.flash('warning');
    next();
});

// Routers
app.use('/', indexRouter);
app.use('/', usersRouter);

// Invalid route
app.get('*', (req, res, next) => next('Page not found.'));

// Error handler
app.use((err, req, res, next) => res.render('error', { error: err }));

// Start the server
server.listen(PORT, () => {
    console.log(chalk.bold.red('Server started...'));
    console.log(chalk.bold.red(`Listening on port ${PORT}...`));
});