add_resource_route

# File railties/lib/rails/generators/rails/resource_route/resource_route_generator.rb, line 16
      def add_resource_route
        return if options[:actions].present?

        # iterates over all namespaces and opens up blocks
        regular_class_path.each_with_index do |namespace, index|
          write("namespace :#{namespace} do", index + 1)
        end

        # inserts the primary resource
        write("resources :#{file_name.pluralize}", route_length + 1)

        # ends blocks
        regular_class_path.each_index do |index|
          write("end", route_length - index)
        end

        # route prepends two spaces onto the front of the string that is passed, this corrects that.
        # Also it adds a \n to the end of each line, as route already adds that
        # we need to correct that too.
        route route_string[2..-2]
      end