this is patched if you use the rails_datamapper gem:
http://github.com/datamapper/dm-more/blob/459fd82a8923d7bf9c3d6ce64ab5f4bba7b867dc/rails_datamapper/lib/rails_datamapper/validations.rb regards Kristian On Jun 20, 11:39 pm, Hola <[email protected]> wrote: > In Rails, you add error messages to the view like so: > > <% remote_form_for(mymodel) do |f| %> > <%= f.error_messages %> > > However, if mymodel is a Datamapper rather than an ActiveRecord model, > it produces an error: > > undefined method `count' for {}:Hash > > At the moment I am addressing this unfortunately by removing the call > to error_messages in the view. > > Is there a better workaround? > > This is the stack trace, in case it helps (I just updated to the > latest 0.10 release candidate for all dm gems). > > ---------------------------------------------------------------------------------------------------- > > C:/Ruby18/lib/ruby/gems/1.8/gems/dm-validations-0.10.0/lib/dm- > validations/validation_errors.rb:106:in `send' > C:/Ruby18/lib/ruby/gems/1.8/gems/dm-validations-0.10.0/lib/dm- > validations/validation_errors.rb:106:in `method_missing' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > helpers/active_record_helper.rb:179:in `error_messages_for' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > renderable.rb:77:in `inject' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > helpers/active_record_helper.rb:179:in `each' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > helpers/active_record_helper.rb:179:in `inject' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > helpers/active_record_helper.rb:179:in `error_messages_for' > C:/Ruby18/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_view/ > helpers/form_helper.rb:984:in `error_messages' --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "DataMapper" 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/datamapper?hl=en -~----------~----~----~----~------~----~------~--~---
