you can use to_param in the model witch is a screencast in www.railscasts.com 2009/4/30 Frederick Cheung <[email protected]>
> > > > On Apr 29, 10:28 pm, slava <[email protected]> wrote: > > Hello, > > I am trying to construct a lookup based on params submited. > > possible urls.. > > /gadgets?product_id=1 > > /gadgets?product_id=1&product_group_id=2 > > /gadgets?product_location_id=5 > > /gadgets?product_id=1&product_location=5 > > ... > > > > How do I write a universal lookup method ? > > > You may find that the hash form of :conditions is the easiest way to > do this. > > Fred > > Gadget.find_by_product_id > > Gadget.find_by_product_id_and_product_group_id > > Gadget.find_by_product_location_id > > Gadget.find_by_product_id&product_location_id > > > > I want find_by... to include only submitted params from a set of > > possible options. > > > > Essentially I want find a way to avoid writing many if and else and > > wonder if anyone knows an easier and better approach. > > > -- 明天会更好 --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
