Better routes

example.rb

uri 'contacts', name: 'contacts' do
  get     'contacts#index'
end

uri 'contacts/:id/addresses', name: 'contact_addresses' do
  put     'contact_addresses#replace'
  post    'contact_addresses#create'
  delete  'contact_addresses#delete'
end

uri_map.rb

module URIMap

  class URITemplate

    def delete(handler)
      @methods << [:delete, handler]
    end

    def draw(routes)
      opts = @name ? {} : {as: @name}
      @methods.each do |(method, handler)|
        routes.send(method, opts.merge(@template => handler))
      end
    end

    def get(handler)
      @methods << [:get, handler]
    end

    def post(handler)
      @methods << [:post, handler]
    end

    def put(handler)
      @methods << [:put, handler]
    end

  private

    def initialize(template, opts)
      @template = template
      @name = opts[:name]
      @methods = []
    end

  end

  def uri(pattern, opts = {}, &b)
    template = URITemplate.new(pattern, opts = {})
    template.instance_eval(&b)
    template.draw(self)
    self
  end

end