gistfile1.txt

class Carnivore < Player
  before_save :set_lvl

  def initialize(attributes = {})
    super
    self.xp = 0
    self.max_xp = 50
    self.hp = 5
    self.max_hp = 5
    self.ap = 3
    self.max_ap = 3
  end

  def set_lvl
    self.lvl = 4
  end
end

class Herbivore < Player
end

class Omnivore < Player
end

class Player < User
end

class User < ActiveRecord::Base
  attr_accessible :name, :email, :password, :password_confirmation, :lvl, :xp, :hp, :ap, :max_xp, :max_hp, :max_ap, :type
  has_secure_password

  before_save { email.downcase! }
  before_save :create_remember_token

  validates :name, presence: true, length: { maximum: 50 }
  VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
  validates :email, presence: true, format: { with: VALID_EMAIL_REGEX },
                    uniqueness: { case_sensitive: false }

  validates :password, presence: true, length: { minimum: 6 }
  validates :password_confirmation, presence: true

  # For Single Table Inheritance
  def self.inherited(child)
    child.instance_eval do
      def model_name
        User.model_name
      end
    end
    super
  end

  def self.select_options
    descendants.map{ |c| c.to_s }.sort
  end

  private

  def create_remember_token
    self.remember_token = SecureRandom.urlsafe_base64
  end
end