the error i get is: NameError: uninitialized constant Test::ModelHelper
On Fri, Sep 17, 2010 at 7:08 PM, Michael Schuerig <[email protected]>wrote: > On Friday 17 September 2010, Almog Friedman wrote: > > i have a function that i wanna use in different models and i wanna do > > it DRY. > > so my best option as i see it is to include a module i made (that is > > in the lib/ directory) in the model. > > my code basicly looks something like this (for testing purpose, i > > didn't implement my function yet) > > lib/model_helper.rb > > module ModelHelper > > def bla > > puts "hello world" > > end > > end > > > > app/models/test.rb > > class Test < ActiveRecord::Base > > include ModelHelper > > end > > > > now the weird part is, when i try to do this in rails 2.2 it works > > but when trying to do this in rails 3.0.0 it doesnt. > > It ought to work in both versions just the same. You may need to be more > specific what "not work" means. Also, it is relevant where that module > is located. Rails 1.x and 2.x automatically load files from lib, rails > 3.x does not. So if your ModelHelper is in lib/model_helper.rb you need > to require that file explicitly where you use it. > > If the module is tied to your application anyway, I'd put it in > app/models. In my opinion, app/models is not only for subclasses of > ActiveRecord::Base, rather, it is the place where the model layer of an > app resides. > > Michael > > -- > Michael Schuerig > mailto:[email protected] > http://www.schuerig.de/michael/ > > -- > 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]<rubyonrails-talk%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- 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.

