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

var app = express();

require("dotenv").config()
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');

app.engine("hbs", hbs({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(fileUpload())
app.use(session({secret:process.env.SESSION_SECRET,
                cookie:{maxAge:5259600000},
                resave: true,
                saveUninitialized: true
}))
db.connect((err) => {
  if (err) console.log("database connection error", err)
  else console.log("database connected")
})

// main routes
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;