Rails core - Aug 2013 - Translation helpers for models with lazy lookup

Hi there!

There is still no lazy translations for models. Do you want this 
functionality?

I''ve got this module and can prepare a PR

module ActiveModel
  module TranslationHelper
    extend ActiveSupport::Concern

    module ClassMethods
      def translate(key, options = {})
        return I18n.translate(key, options) unless key.to_s.first ==
''.''

        strings_scope = "#{i18n_scope}.strings"

        defaults = lookup_ancestors.map do |klass|
          :"#{strings_scope}.#{klass.model_name.i18n_key}.#{key}"
        end

        defaults << :"strings.#{key}"
        defaults << options.delete(:default) if options[:default]

        options[:default] = defaults
        I18n.translate(defaults.shift, options)
      end
      alias :t :translate
    end

    def translate(*args)
      self.class.translate(*args)
    end
    alias :t :translate
  end
end

ActiveRecord::Base.send :include, ActiveModel::TranslationHelper

Max

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