require 'dm-validations'

class Player
  include DataMapper::Resource

  property :id, Integer, :serial => true
  property :name, String
  property :site_id, Integer

  validates_present :site_id
  validates_present :name
  validates_with_method :unique_username

  def unique_username
    if Player.first :name => self.name, :site_id => self.site_id then
      return false
    else
      return true
    end
  end

end