order_service.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 20 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class OrderApi < ActionWebService::API::Base
  api_method :is_order_shipped,
             :expects => [{:orderid => :int}],
             :returns => [:bool]
end

class OrderService < ActionWebService::Base
  web_service_api OrderApi

  def is_order_shipped(orderid)
    raise "No such order" unless order = Order.find_by_id(orderid)
    !order.shipped_at.nil?
  end
end