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');

// Initialize express.js
var app = express();

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

// Use other middle-wares
app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// Connect to Mongodb
require('./config/db')();

// Include the set of routes (sub-pages)
var client = require('./routes/client');
var polls = require('./routes/polls');
var votes = require('./routes/votes')
app.use('/', client);
app.use('/api/polls', polls);
app.use('/api/votes', votes);

// Start listening
app.listen(3000, function() {
    console.log('Voting app listening on port 3000!')
})

// 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');
});

module.exports = app;