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Fat Models Aren't Enough
“Fat Models, Skinny Controllers” they scream. Pushing your logic down to the model layer is a key step to improve testability, maintainability, and code quality. But many developers now have “junk drawer” models that don’t realize these goals. Having a fat model isn’t enough!
In this session we’ll explore techniques for improving your models including:- Extracting code into libraries and gems
- Encapsulating logic into processor objects
- Using the presenter pattern
- Deciding between class and instance methods
- Guidelines to judge code quality and complexity
When you leave this session you’ll be dying to refactor!
People planning to attend this session also want to see:
Jeff Casimir
Jumpstart Lab
I started JumpstartLab in the summer of 2009 after six years as a public school teacher and administrator. I love teaching skills that help people unlock their ideas. My primary expertise is in Ruby and Rails, but also love subjects like JavaScript, database design, and anything else related to the web.
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Comments
Thank you, your positive feedback means a lot!
Conrad, at user groups I’ve used a screen-capture solution to create a recording. But at a big event like RailsConf I, and I assume other speakers, are terrified of technical glitches. I try to close everything on my machine except Keynote, and running a live recording would make me nervous.
One of the best sessions of the conference. Great speaker and great material. The presentation was a perfect blend of higher level concepts and lower level code.
Jeff, its clear you put a lot of time and thought into the presentation and it showed! Great job!
Hi, I’m sorry that I missed this session. However, you did take my picture. In any case, it would be nice if the presenters used a video capturing application to record their session.
Thanks for all the support! Here is a link to the slides: dl.dropbox.com/u/69001/Fat%...
Well explained the details of the re-factoring. can’t wait to see the slides!
well presented
I wish I’d seen this one. Hope you can present it again sometime.
Quite a few excellent points were made in this presentation. The design pattern presented looks like it will help to simplify several projects I’m working on. I hope to see the presentation slides posted somewhere, and perhaps an audio recording of this presentation.
I would like to have seen more on splitting (too) fat models into more manageable classes via methodical refactoring.
Interesting content…got me thinking about how I’m approaching my MVC designs. First time I’ve heard Jeff speak, and I’m impressed. New twitter follower here…
Great talk. Enjoyed it.
This session has gotten great feedback at user groups across the country, most recently tuned up by the expert hackers at BMore on Rails.
The talk is primarily about refactoring and is code rich, going beyond “you should do X” and instead taking common practices and refactoring them into awesomeness.
If you have any thoughts or questions hit me on twitter at @j3.