On 16 June 2011 21:36, Walter Lee Davis <[email protected]> wrote: > > On Jun 16, 2011, at 5:32 PM, Mauro wrote: > >> On 16 June 2011 21:24, Walter Lee Davis <[email protected]> wrote: >>> >>> On Jun 16, 2011, at 4:15 PM, Mauro wrote: >>> >>>> I want to assign a progressive number to an attribute. >>>> I think that I can do this in the model >>>> >>>> class Model < ActiveRecord::Base >>>> before_validation(:on => :create) do >>>> attribute = Model.count + 1 >>>> >>>> But there is no method count for Model. >>> >>> Is Model just an example, or did you use that as your model name? >> >> The real code is: >> >> class FirePrevention < ActiveRecord::Base >> default_scope :order => 'practice_number ASC' >> before_validation(:on => :create) do >> practice_number = self.count + 1 >> end >> >> It says undefined method count........... > > You may be getting a funny self there, then. Try this instead: > > practice_number = FirePrevention.count + 1
It's the same, same error. -- 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.
