#99 Complex Partials
Mar 31, 2008 | 8 minutes | Views, Refactoring
How do you handle partials which have differences depending on the action which is rendering them? Here's three suggestions for this problem.
Form Objects
Models have a tendency to become a complex mess as an application grows. In this episode you will learn a couple of techniques to extract form-behavior out into its own class.
(18 minutes)
Activity Feed from Scratch
Creating an activity feed presents some interesting challenges. Here I share my thought process behind my implementation including when to use callbacks and a few tricks with partials.
(14 minutes)
Cache Digests
The cache_digests gem (also included in Rails 4) will automatically add a digest to the fragment cache key based on the template. If a template changes the cache will auto-expire. But watch out for the gotchas!
(7 minutes)
Authorization from Scratch Part 1
Authorization can be difficult to implement and test because it often involves complex logic that exists throughout the entire app. Here I demonstrate how to test and implement authorization from scratch.
(15 minutes)
Strong Parameters
The strong_parameters gem is an improvement over attr_accessible to securely handle mass assignment even when you have complex authorization logic. The functionality will likely be added to Rails 4 so it is a good idea to learn how it works.
(12 minutes)
