Revolution On Rails: DRYing Up Polymorphic Controllers

Revolution On Rails: DRYing Up Polymorphic Controllers:

Polymorphic routes allow drying up the controller implementation when functionality is identical, regardless of entry point. A good example is comments for articles and blogs. There is a challenge to balance the implementation of the comments controller reflecting the multiple incoming routes. Let's look at the way it could be written. Routing is straightforward with blogs and article models acting as commentable and both the comment model and comment controllers being polymorphic:

Full article: http://revolutiononrails.blogspot.com/2007/05/drying-up-p...