class Rails::Application::DefaultMiddlewareStack

def load_rack_cache
  rack_cache = config.action_dispatch.rack_cache
  return unless rack_cache
  begin
    require "rack/cache"
  rescue LoadError => error
    error.message << " Be sure to add rack-cache to your Gemfile"
    raise
  end
  if rack_cache == true
    {
      metastore: "rails:/",
      entitystore: "rails:/",
      verbose: false
    }
  else
    rack_cache
  end
end