Probably a recent documentation, the API docs are not updated often.
2010/1/4 George <george.og...@gmail.com>
> On Sun, Jan 3, 2010 at 6:30 PM, Ben Munat <bmu...@gmail.com> wrote:
>
>>
>> If that does exist in Rails 2.x.x somewhere I would really appreciate a
>> pointer.
>>
>>
> It's not on api.rubyonrails.org for some reason, but here's the rdoc for
> AR::Error#generate_full_message:
>
> # Wraps an error message into a full_message format.
> #
> # The default full_message format for any locale is
> <tt>"{{attribute}} {{message}}"</tt>.
> # One can specify locale specific default full_message format by
> storing it as a
> # translation for the key
> <tt>:"activerecord.errors.full_messages.format"</tt>.
> #
> # Additionally one can specify a validation specific error message
> format by
> # storing a translation for
> <tt>:"activerecord.errors.full_messages.[message_key]"</tt>.
> # E.g. the full_message format for any validation that uses :blank as
> a message
> # key (such as validates_presence_of) can be stored to
> <tt>:"activerecord.errors.full_messages.blank".</tt>
> #
> # Because the message key used by a validation can be overwritten on
> the
> # <tt>validates_*</tt> class macro level one can customize the
> full_message format for
> # any particular validation:
> #
> # # app/models/article.rb
> # class Article < ActiveRecord::Base
> # validates_presence_of :title, :message => :"title.blank"
> # end
> #
> # # config/locales/en.yml
> # en:
> # activerecord:
> # errors:
> # full_messages:
> # title:
> # blank: This title is screwed!
>
> George.
>
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