On 6 Sep 2008, at 19:54, schof wrote:
> > I need a suggestion for a calculated value. I have an order object > with a total in it. I'd like to recalculate the order total during > the checkout process (as user selects shipping, etc.) but after the > checkout is complete, I'd like to store it in the database for > performance and searching reasons. > > Does that make sense? Any suggestions on how to pull this off? I was > thinking an alias to the database method and checking the status of a > checkout_complete boolean. > You could do something like def total self[:total] || calculate_total end Which does what it says: if there is a non nil total attribute then it will use that, if not it calculates it. Fred > TIA, > Sean > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
