facebook_user.rb

class FacebookUser
  attr_reader :email, :friends

  def initialize(options = {})
    @name = options[:name]
    @age = options[:age]
    @inscription_date = Time.now
    @email = options[:email]
    @password = options[:password]
    @photos = []
    @friends = []
  end

  def add_photo(photo_url)
    @photos << photo_url
  end

  def to_s
    return "#{@name}: #{@photos.count} photos"
  end

  def password
    return '*************'
  end

  def add_friend(friend)
    #if friend.class == FacebookUser
    @friends << friend
    friend.add_friend(self) unless friend.friends.include?(self)
    #end
  end
end