user.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 24 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 User < ActiveRecord::Base
  validates_length_of :username, :minimum=>4
  has_many :accolades
  has_many :todos

  def self.find_random
    self.find(:first, :offset=>rand(self.count))
  end

  def completed_todos
    self.todos.find :all, :conditions=>['completed is not null']
  end
  
  def pending_todos
    self.todos.find :all, :conditions=>['completed is null'], :order=>:position
  end
  
end