How to call expire_fragment from Rails Observer/Model?

Question

I\'ve pretty much tried everything, but it seems impossible to use expire_fragment from models? I know you\'re not supposed to and it\'s non-MVC, but surely there much be

Answer 1

The solution provided by Orion works perfectly. As an enhancement and for convenience, I've put the following code into config/initializers/active_record_expire_fragment.rb

class ActiveRecord::Base
  def expire_fragment(*args)
    ActionController::Base.new.expire_fragment(*args)
  end
end

Now, you can use expire_fragment on all instances of ActiveRecord::Base, e.g. User.first.expire_fragment('user-stats')