One way to (sort of) rest (w Mongoose)

controller.js

var build = require('./crud.js').build


var gameController = build('Game')
// how to get this automatic? remember middleware
app.get(  '/games',             gameController.index)
app.get(  '/games/:id',         gameController.show)
app.post( '/games',             gameController.save)
app.post( '/games/:id/delete',  gameController.destroy)

crud.js

/*
 * Rely on GLOBAL.app for a express server
 *  and GLOBAL.models for models defined (mongoose)
 */

function build(modelName, options){
	
	function loadOne(id, cb) {
		
	};
	
	var controller = {
		name: modelName,
		
		index: function(req, res, next){
			app.models[modelName].find({}, function(err, docs) {
				res.json(
					docs.map(function(e,i){ return e.toJSON() })
				)
			})
		},
		
		show: function(req, res, next){
			// console.log( req.params.id )
			app.models[modelName].findById( req.params.id , function(err, doc) {
				if(err) res.json([0])
				res.json(	doc )
			})
		},
		
		//edit: function(req, res, next){  },
		
		save: function(req, res, next){
			if( req.body && req.body[modelName.toLowerCase()] ){
				
				saveCb = function(err, doc) {
					// TODO
				}
				
				if( req.body[modelName.toLowerCase()]._id ){ //UPDATE
					app.models[modelName].update({ _id: req.body[modelName.toLowerCase()]._id },
						req.body[modelName.toLowerCase()], 
						saveCb
					)
				} else { // CREATE
					(new app.models[modelName](req.body[modelName.toLowerCase()])).save( saveCb )
				}
				
				// FIXME
				res.json(	[1] )
			} else {
				res.json(	[0] )
			}
		},
		
		destroy: function(req, res, next){
			if( req.params && req.params.id ){
				res.json(	[0] )
			} else {
				app.models[modelName].remove({ _id: req.params.id }, function(err, doc) {
					res.json(	doc.toJSON() )
				})
			}
		},
	}
	return controller
}

exports.build = build