Recent Activities in Ruby on Rails

Question

What is the best way to implement a StackOverflow-style Recent Activities page?

I have a Gallery with user\'s photos and I want them to be notified when other

Answer 1

This has been written up into a great article which shows the full use of AR, Observers and gives the migration you will need.

http://mickeyben.com/blog/2010/05/23/creating-an-activity-feed-with-rails/

Observers save you cluttering your models with this information so as well as adding activities you can send emails or whatever else you need to do.