class PoolVersion < ActiveRecord::Base
  class Error < Exception ; end
  
  validates_presence_of :updater_id, :updater_ip_addr
  belongs_to :pool
  belongs_to :updater, :class_name => "User"
  before_validation :initialize_updater
  scope :for_user, lambda {|user_id| where("updater_id = ?", user_id)}
  
  def initialize_updater
    self.updater_id = CurrentUser.id
    self.updater_ip_addr = CurrentUser.ip_addr
  end
  
  def post_id_array
    @post_id_array ||= post_ids.scan(/\d+/).map(&:to_i)
  end
end