post.js

/**
 * Created by Antonio Murdaca.
 * Date: 10/02/13
 * Time: 22.00
 */
var mongoose = require('mongoose')
    ,Schema = mongoose.Schema;

var postSchema = new Schema({
    title: String,
    author: String,
    date: {type: Date, default: Date.now},
    modified: Date,
    body: String,
    tags: [String],
    comments: [{
        author: String,
        body: String,
        date: Date
    }]
});

var Post = mongoose.model('Post', postSchema);

exports.list = function(req, res) {
    new Post({title: 'titlessssss', author: 'mhe babyyyyyyyyyyyy'}).save();
    console.log('yahi');
}

exports.lista = function(req, res) {
    Post.find(function(err, posts) {
        //console.log(posts);
        res.send(posts);
    });
}

routes.js

/**
 * Created by Antonio Murdaca.
 * Date: 10/02/13
 * Time: 10.20
 */
var index = require('./controllers/index');
var user = require('./controllers/user');

module.exports = function(app) {
  app.get('/', index.index);
  //app.get('/:id/', index.indexid);
  app.get('/users', user.lista);
  app.get('/users/edit', user.edit);
};

user.js

/*
 * GET users listing.
 */

var post = require('../models/post');

exports.lista = function(req, res){
  post.list();                          //TODO: should i pass req to post.list(req) or not?!
  res.send('ciau');
};

exports.edit = function(req, res){
    post.lista(req, res);
    //console.log(p);
    //res.send(p);
  //res.json(post.lista());
};