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 expressValidator = require('express-validator');

var mongoose =require('mongoose');
var passport = require('passport');
var session= require('express-session');
require('./passport/passport.js')

var config = require('./config/config.js');

var indexRouter = require('./routes/index');
var authRouter = require('./routes/auth');
var taskRouter = require('./routes/task');

mongoose.connect('mongodb://127.0.0.1:27017/codelive');
global.User= require('./models/user.js');
global.Task= require('./models/task.js');

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: false }));

app.use(cookieParser());
app.use(session({
  secret: 'mysecretkey',
  resave:false,
  saveUninitialized:true
}));

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

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

app.use('/', indexRouter);
app.use('/', authRouter);
app.use('/',taskRouter);

// 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;