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 bodyParser = require('body-parser');
var db = require('./config/connection')

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var session = require('express-session')
var fileUpload = require('express-fileupload');
var mv = require('mv');

var app = express();

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

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.urlencoded({extended:false}))
app.use(bodyParser.json());
app.use(fileUpload());
app.use(session({
  secret: 'key',
  cookie:{maxAge:60000000},
  proxy: true,
  resave: true,
  saveUninitialized: true,
}));

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

// db.connect((err)=>{
//   if(err){
//     // res.render('login', {loginErr:'db error'});
//     console.log("Connection error"+err)
//   } 
//   else {
//     console.log("data base connected successfully");
//   }
// })

// 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;