order.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 45 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 Order < ActiveRecord::Base


  has_many :line_items
  # ...


  
  PAYMENT_TYPES = [
    #  Displayed        stored in db
    [ "Check",          "check" ],
    [ "Credit card",    "cc"   ],
    [ "Purchase order", "po" ]
  ]


  # ...
  

  
  validates_presence_of :name, :address, :email, :pay_type
  validates_inclusion_of :pay_type, :in => PAYMENT_TYPES.map {|disp, value| value}
  
  # ...
  

  
  def add_line_items_from_cart(cart)
    cart.items.each do |item|
      li = LineItem.from_cart_item(item)
      line_items << li      
    end 
  end 
  

end