actionpack/lib/action_controller/metal/url_for.rb


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module ActionController
  module UrlFor
    extend ActiveSupport::Concern

    include ActionDispatch::Routing::UrlFor

    def url_options
      options = {}
      if respond_to?(:env) && env && _routes.equal?(env["action_dispatch.routes"])
        options[:script_name] = request.script_name
      end

      super.merge(options).reverse_merge(
        :host => request.host_with_port,
        :protocol => request.protocol,
        :_path_segments => request.symbolized_path_parameters
      )
    end

    def _routes
      raise "In order to use #url_for, you must include routing helpers explicitly. " \
            "For instance, `include Rails.application.routes.url_helpers"
    end

    module ClassMethods
      def action_methods
        @action_methods ||= begin
          super - _routes.named_routes.helper_names
        end
      end
    end
  end
end