app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');


var userRouter = require('./routes/user');
var adminRouter = require('./routes/admin');

    var hbs=require('express-handlebars');

var app = express();

    var fileUpload=require('express-fileupload');
    var db=require('./config/connection');
    var session=require('express-session');

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
    app.engine('hbs',hbs.engine({extname:'hbs', defaultLayout:'layout',layoutsDir:__dirname+'/views/layout/',partialsDir:__dirname+'/views/partials/'}))
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
    app.use(session({secret:"Key",cookie:{maxAge:600000}}))
    app.use(fileUpload());

    db.connect((err)=>{
      if(err) 
        console.log('Connection Error'+err)
      else 
        console.log('Database Connected to port 27017');
    });

    app.use('/', userRouter);
    app.use('/admin', adminRouter);

// 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;