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 expressValidator = require('express-validator');
var flash = require('connect-flash');
var session = require('express-session');
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var mongoose = require('mongoose');
mongoose.connect('mongodb://test1:testing1234@ds133932.mlab.com:33932/user-name');
var db = mongoose.connection;


var index = require('./routes/index');
var users = require('./routes/users');
var home = require('./routes/home');
var login = require('./routes/login');
var register = require('./routes/register');
var api = require('./routes/api');
var how = require('./routes/how');

var app = express();
app.set('port' , process.env.PORT || 80);

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

//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


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

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

//express validator
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 variables
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.user = req.user || null ;
    next();
});


app.use('/', index);
app.use('/api', api);
app.use('/users', users);
app.use('/home', home);
app.use('/login', login);
app.use('/register', register);
app.use('/how', how);

app.get('/logout', function (req, res) {
    req.logout();
    req.flash('success_msg', 'Successfully Logged Out');
    res.redirect('/login');
});

// 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 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');
});


var server = app.listen(app.get('port') , function () {
    console.log('Listening on port ' + app.get('port'))
})


module.exports = app;