class Dog < ActiveRecord::Base

  STATES = %w(Incomplete Complete).freeze

  validates_inclusion_of :state, :in => STATES
  before_validation_on_create :set_initial_state

  valdates_presence_of :name, :if => :complete?

  STATES.each do |state|
    define_method(:"#{state.underscore}?") do
      self.state == state
    end
  end

  protected

  def set_initial_state
    self.state ||= STATES.first
  end

end