Recipe 13.17. Adding Hooks to Table Events

13.17.1. Problem

You want to run some code whenever a database row is added, updated, or deleted. For instance, you might want to send out email whenever a new blog post is created.

13.17.2. Solution

For Og, use the aspect-oriented features of Glue::Aspect. You can use its before and after methods to register code blocks that run before or after any Og method. The methods you're most likely to wrap are og_insert, og_update, and og_delete.