app.js

var express = require('express');
var path = require('path');
var favicon = require('static-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var exphbs = require('express-handlebars');
var mongoose = require('mongoose');
var session = require('express-session');

var routes = require('./routes/index');
var register = require('./routes/register');
var login = require('./routes/login');
var home = require('./routes/home');
var upload = require('./routes/upload');
var file = require('./routes/file');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.engine('.hbs', exphbs({extname: '.hbs'}));
app.set('view engine', '.hbs');

// database setup
mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost/cocoon');
var db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', function() {
  console.log('database connected');
});

app.use(favicon());
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded());
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({ secret: 'lolol', resave : true, saveUninitialized : true}));

app.use('/', routes);
app.use('/register', register)
app.use('/login', login)
app.use('/home', home);
app.use('/upload', upload);
app.use('/file', file);

/// catch 404 and forwarding 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;