rails--rails/actionpack/lib/action_controller/record_identifier.rb

require 'action_view/record_identifier'

module ActionController
  module RecordIdentifier
    MODULE_MESSAGE = 'Calling ActionController::RecordIdentifier.%s is deprecated and ' \
      'will be removed in Rails 4.1, please call using ActionView::RecordIdentifier instead.'
    INSTANCE_MESSAGE = '%s method will no longer be included by default in controllers ' \
      'since Rails 4.1. If you would like to use it in controllers, please include ' \
      'ActionView::RecordIdentifier module.'

    def dom_id(record, prefix = nil)
      ActiveSupport::Deprecation.warn(INSTANCE_MESSAGE % 'dom_id')
      ActionView::RecordIdentifier.dom_id(record, prefix)
    end

    def dom_class(record, prefix = nil)
      ActiveSupport::Deprecation.warn(INSTANCE_MESSAGE % 'dom_class')
      ActionView::RecordIdentifier.dom_class(record, prefix)
    end

    def self.dom_id(record, prefix = nil)
      ActiveSupport::Deprecation.warn(MODULE_MESSAGE % 'dom_id')
      ActionView::RecordIdentifier.dom_id(record, prefix)
    end

    def self.dom_class(record, prefix = nil)
      ActiveSupport::Deprecation.warn(MODULE_MESSAGE % 'dom_class')
      ActionView::RecordIdentifier.dom_class(record, prefix)
    end
  end
end