#!/usr/bin/env ruby
# Testing the aasm gem to see how to get one aasm_event to decide
# which state to transition into
require 'rubygems'
require 'aasm'
class TestObject
  include AASM

  aasm_initial_state :active

  aasm_state :active, :enter => :make_active
  aasm_state :sold,   :enter => :make_sold
  aasm_state :unsold, :enter => :make_unsold

  aasm_event :finish do
    transitions :to => :sold, :from => [:active], :guard => Proc.new {|a| a.reserve < a.price}
    transitions :to => :unsold, :from => [:active]
  end

  attr_accessor :price, :reserve, :name

  def initialize(name, price,reserve)
    @name = name
    @price = price
    @reserve = reserve
  end
private
  def make_active
    puts "#{name} is now active!"
  end
  def make_sold
    puts "#{name} is now sold!"
  end
  def make_unsold
    puts "#{name} is now unsold!"
  end
end

sells = TestObject.new('sell',100,50)
sells.finish

nosell = TestObject.new('nosell',50,100)
nosell.finish