map_collection_actions

# File actionpack/lib/action_controller/resources.rb, line 586
      def map_collection_actions(map, resource)
        resource.collection_methods.each do |method, actions|
          actions.each do |action|
            [method].flatten.each do |m|
              action_path = resource.options[:path_names][action] if resource.options[:path_names].is_a?(Hash)
              action_path ||= action

              map_resource_routes(map, resource, action, "#{resource.path}#{resource.action_separator}#{action_path}", "#{action}_#{resource.name_prefix}#{resource.plural}", m)
            end
          end
        end
      end