I18n_monkeypatch_for_jnunemaker-validatable.rb

module Validatable
  def errors
    @errors ||= Validatable::Errors.new(self)
  end

  class ValidationBase #:nodoc:
    def try_translation(key)
      begin
        ::I18n.translate!(key, :scope => "activerecord")
      rescue ::I18n::ArgumentError
        nil
      end
    end

    def message_with_i18n(instance)
      event = self.class.to_s.demodulize.snake_case
      model = instance.class.to_s.gsub("::", ".").snake_case
      try_translation("errors.models.%s.attributes.%s.%s" % [model, @attribute, event]) ||
        try_translation("errors.models.%s.%s" % [model, event]) ||
        try_translation("errors.messages.%s" % event) ||
        message_without_i18n(instance)
    end
    alias_method_chain :message, :i18n
  end

  class Errors
    def initialize(owner)
      @owner = owner
      @owner_key = owner.class.name.snake_case.gsub("::", ".")
    end

    def humanize_with_i18n(lower_case_and_underscored_word) #:nodoc:
      key = "attributes.#{@owner_key}.#{lower_case_and_underscored_word}"
      begin
        ::I18n.translate!(key, :scope => "activerecord")
      rescue ::I18n::ArgumentError
        humanize_without_i18n(lower_case_and_underscored_word)
      end
    end
    alias_method_chain :humanize, :i18n
  end
end