extending backbone.js with an explicit controller

gistfile1.js

/*
Extending Backbone.js with a Controller class to place logic not belonging in either Models or Views
*/
Backbone.Controller = function (options) {
    this.model = (options && options.model) || {};
};
 
var controllerMixin = _.pick(Backbone.Model, "extend", "constructor");
_.extend(Backbone.Controller, controllerMixin);
 
var originalView = Backbone.View;
Backbone.View = function (options) {
    originalView.apply(this, arguments);
    this.controller = options.controller;
};
_.extend(Backbone.View, originalView);
_.extend(Backbone.View.prototype, originalView.prototype);

var MyController = Backbone.Controller.extend({
    doMyAjaxRequest: function (someArgument) {
        $.ajax({ type: "POST", url: "http://whatever", data: JSON.stringify(someArgument), contentType: 'application/json; charset=utf-8' })
            .success(function () {
                // success
            })
            .error(function (result) {
                // failure
            });
    }
});

var model = new YourModel();
var controller = new MyController();
var view = new MyView({ model: model, controller: controller });