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');
var expressValidator = require('express-validator');
var flash = require('connect-flash');
var MongoStore = require('connect-mongo')(session);
var mongoose = require('mongoose');
var passport = require('passport');

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

var app = express();

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

app.use(express.static(path.join(__dirname, 'static')));

app.use(favicon(path.join(__dirname, 'static', 'favicon.ico')));

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

// setup database
// var dbUrl = "mongodb://localhost:27017/booktrade";
var dbUrl = "mongodb://dishant:root@ds017852.mlab.com:17852/heroku_cthk2x4k"
mongoose.connect(dbUrl,function(err, db){
  if(err){
    console.log(err);
    process.exit(1);
  }
});

app.use(session({
    secret: '076er61d63ag10a125ja872411e433b9',
    saveUninitialized: false,
    resave: true,
    maxAge: new Date(Date.now() + 3600000),
    store: new MongoStore({
      mongooseConnection: mongoose.connection
    })
 }));

app.use(passport.initialize());
app.use(passport.session());

app.use(expressValidator({
  errorFormatter: function(param, msg, value) {
      var namespace = param.split('.')
      , root    = namespace.shift()
      , formParam = root;

    while(namespace.length) {
      formParam += '[' + namespace.shift() + ']';
    }
    return {
      param : formParam,
      msg   : msg,
      value : value
    };
  }
}));

// connect flash
app.use(flash());

// Global vars
app.use(function(req, res, next){
  res.locals.success_msg = req.flash('success_msg');
  res.locals.error_msg = req.flash('error_msg');
  res.locals.error = req.flash('error');
  res.locals.loggeduser = req.user || null;
  next();
});

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

// 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 handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;