Eva Zebra In Code

Eva.rb

class Eva < Zebra
  include MongoMapper::Document
  include Vegan::Powers 
  include MongoMapperExt::Taggable
  include MongoMapper::Tweetable

  ## Keys
  key :scarves_count,     Integer, :default => 20
  key :compliments_count, Integer, :default => 100

  ## Associations
  has_many   :scarves
  has_many   :followers
  has_many   :friends
  has_one    :macbook
  has_one    :iphone
  belongs_to :earth
  
  ## Validations 
  validates_acceptence_of :all_humans, :self_aware_robots
  validates_inclusion_of :nick, :in => :friend_names
  validate :scarf_count
  validates_presence_of :boobs
  validates :drunkness, :if => { ['friday', 'saturday', 'sunday'].include?(Time.today) }

  def scarf_count
    self.errors.add(:scarves, "Need more scarves") unless self.scarves.count > 10
  end
end