AppleII717 wrote: > I have nested models: > > Assessments has_many Questions has_many Answers. > > I have plans on turning this into an engine where it can be used by > other models. > > There are several fields in both Questions and Answers that, if > changed (or created ,deleted) I need to call a "update_procedure" that > does some calculations and saves the results in the Assessment. > > Right now I have an after_save and after_destroy filter that calls the > routine if anything is changed, which is not what I want. What > approach do I need to handle filters if only certain attributes are > change?. The reason is that I may need to change the state/status of > the assessment if scores in another model were based on the current > version. I don't need to do the state change if the admin just fixed a > misspelling. > > I looked at Module: ActiveRecord::Dirty, but not sure I understand it. > Is that what I need to understand?
A quick look at the rdoc would suggest that Dirty#changed would do what you want. An observer might be useful too. Best, -- Marnen Laibow-Koser http://www.marnen.org [email protected] -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
