app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session')
const MongoStore = require('connect-mongo')(session)
const mongooseConnection = require('./models/index').connection
const uuid = require('uuid/v1')

var router = require('./routes/index');
var users = require('./routes/users');
var config = require('./config')

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(session({
  secret: config.session_related.secret,
    cookie:{maxAge: config.session_related.maxAge},
  name: config.session_related.name,
  genid: ()=> uuid(),
  resave: false,
  saveUninitialized: false,
  store: new MongoStore({ mongooseConnection:  mongooseConnection})
}))

app.use('/',express.static(path.join(__dirname,'public')))
app.get('/',function (req,res) {
    res.render('index.html')
})

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser(config.signed_secret));
app.use(express.static(path.join(__dirname, 'public')));

// app.use('/', index);
app.use('/users', users);

app.use('/',router);



// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// 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',res.locals);

  // res.format({
  //     html:function () {
  //         res.send(`
  //              <h1>${res.locals.message}</h1>
  //              <pre>
  //                   ${res.locals.error}
  //               </pre>
  //           `)
  //     }
  // })
});

module.exports = app;