We’ve been working on one of our first Angular projects with a Rails backend. It’s been a great experience. I wanted to share a few things we learned that we hope are helpful to others building Angular on Rails apps.
In the Rails world, “Fat models, skinny controllers” has been some of the most oft-quoted design advice for many years. In angular.js, this also turns out to be solid advice. Getting logic out of your controllers makes it easier to reuse and also helps improve the design of your codebase (e.g. Single Responsibility Principle). I’d like to share a couple of the ways to put your angular.js controllers on a diet.
The most common way you’ll run across to move code out of your controller is to move into a service created by a factory and then inject it where you need it. To illustrate, here’s a controller with a method that generates a random number.
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