# encoding: utf-8
class Node

  include Mongoid::Document
  include Mongoid::Tree

  # Fields
  #
  field :path, type: String
  field :able, type: Hash, default: {}

  # Validations
  #
  validates :path, :presence => true, :uniqueness => true

  # Callbacks
  #
  after_initialize :setup_abilities

  def setup_abilities
    able.keys.each do |ability|
      self.class.send(:define_method, "is_#{ability}?".to_sym) do
        able[ability]
      end

      self.class.send(:define_method, "is_#{ability}=".to_sym) do |*arg|
        able[ability] = arg
      end
    end
  end

end