server.js

const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const session = require('express-session');
const passport = require('passport');
const methodOverride = require('method-override');
const logger = require('morgan');
// importing https://momentjs.com to format date
const moment = require('moment');
require('dotenv').config(); // for .env file
require('./config/database');
require('./config/passport');

const indexRouter = require('./routes/index');
const carsRouter = require('./routes/cars');
const notesRouter = require('./routes/notes');

const app = express();

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

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(methodOverride('_method'));

// moment helper function
app.locals.formatDate = function (date, format) {
  return moment(date).format(format);
};

app.use(
  session({
    secret: process.env.SECRET,
    resave: false,
    saveUninitialized: true,
  })
);

app.use(passport.initialize());
app.use(passport.session());

app.use(function (req, res, next) {
  res.locals.user = req.user;
  next();
});

app.use(express.static(path.join(__dirname, 'public')));

app.use('/', indexRouter);
app.use('/cars', carsRouter);
app.use('/', notesRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// 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');
});

module.exports = app;