[Catalyst] Plugins, Actions, Base Classes - how to modularize controllers

[John Napiorkowski]

I'll bite,

- a plain vanilla module not in the Catalyst namespace 

I'd use this for stuff that is useful in my non Catalyst applications (although there are fewer and fewer of those, mostly crons jobs and admin scripts).

- a base class for the controller

When you are trying to encapsulate some general functionality useful for a particular URI space, such as a Wiki controller I'm working on, or something to handle creating all the header/footer stuff for my basic page on a website.

- a plugin

When making something that can be useful across many actions in your application and in other applications, and if you are modifying the Catalyst processing sequence, like overriding the finalize method.

- an Action

To do pre or post processing/work on particular Catalyst Actions.  Useful when a plugin is overkill.  I use this for stuff like handling all my validation logic (I hate having to have if(validate) {} else {} over and over again.

My two cents  --john

----- Original Message ----
From: Zbigniew Lukasiak <zzbbyy at gmail.com>
To: The elegant MVC web framework <catalyst at lists.rawmode.org>
Sent: Wednesday, July 19, 2006 8:03:15 PM
Subject: [Catalyst] Plugins, Actions, Base Classes - how to modularize controllers

Dear all,

Lets say you have some piece of reusable logic in your controller. You would like to take the logic out and make a module out of it.  Then you have following options:
- a plain vanilla module not in the Catalyst namespace 
- a base class for the controller
- a plugin
- an Action

The question is which should be chosen when and why.

-- 
Zbigniew Lukasiak
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