app.js

/**
 * Module dependencies.
 */

var express = require('express'),
routes = require('./routes');

var ArticleProvider = require('./articleprovider-mongodb').ArticleProvider;

var app = module.exports = express.createServer();

// Configuration
app.configure(function() {
	app.set('views', __dirname + '/views');
	app.set('view engine', 'jade');
	app.use(express.bodyParser());
	app.use(express.methodOverride());
	app.use(require('stylus').middleware({
		src: __dirname + '/public'
	}));
	app.use(app.router);
	app.use(express.static(__dirname + '/public'));
});

app.configure('development', function() {
	app.use(express.errorHandler({
		dumpExceptions: true,
		showStack: true
	}));
});

app.configure('production', function() {
	app.use(express.errorHandler());
});

var articleProvider = new ArticleProvider('localhost', 27017);

// Routes
//app.get('/', routes.index);
app.get('/', function(req, res) {
	articleProvider.findAll(function(error, docs) {
		res.render('index.jade', {
			locals: {
				title: 'blog',
				articles: docs
			}
		});
	});
});

app.get('/blog/new', function(req, res) {
	res.render('blog_new.jade', {
		locals: {
			title: 'New Post'
		}
	});
});

app.post('/blog/new', function(req, res) {
	articleProvider.save({
		title: req.param('title'),
		body: req.param('body')
	},
	function(error, docs) {
		res.redirect('/');
	});
});

app.get('/blog/:id', function(req, res) {
	articleProvider.findById(req.params.id, function(error, article) {
		res.render('blog_show.jade', {
			locals: {
				title: article.title,
				article: article
			}
		});

	});
});

app.post('/blog/addComment', function(req, res) {
	articleProvider.addCommentToArticle(req.param('_id'), {
		person: req.param('person'),
		comment: req.param('comment'),
		created_at: new Date()
	},
	function(errors, docs) {
		res.redirect('/blog/' + req.param('_id'));
	});
});

app.listen(3000);
console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);