Where do you put non-controller classes in codeigniter?

I've got a class Widgets. Widgets are made up of Doohickies. I'm never going to need to access Doohickies directly via url -- they're essentially a private class, only used by Widgets. Where do you put your code to define the Doohicky class? In /app/controllers/doohicky.php? in app/controllers/widget.php? somewhere else? Obviously, the form开发者_运维知识库er seems cleaner, but it's not obvious to me how to make the Doohicky class available to Widget.

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It sounds like your Widgets and Doohickies are probably Models in MVC architecture.

In which case, your paths would be:

app/models/widget.php
app/models/doohickies.php

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I see the question has been answered already, but there are a few things to bear to expand on it.

You could put widgets and doohickies in the libraries folder, if they are there to do a job rather than provide a data service.

Also, take a look at HMVC, which favours the idea that you can have mini-apps that look after various parts of your website (e.g. messages panels, search box/results, doohickies...). This enables you to have smaller view partials dedicated to their widget controllers; and then the main controller calls in widgets but doesn't need knowledge of how they came about.

http://codeigniter.com/wiki/Modular_Extensions_-_HMVC/