# encoding: utf-8
#--
#   Copyright (C) 2012 Gitorious AS
#   Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU Affero General Public License for more details.
#
#   You should have received a copy of the GNU Affero General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#++
class Role < ActiveRecord::Base
  KIND_ADMIN = 0
  KIND_MEMBER = 1

  include Comparable

  default_scope :order => "kind desc"

  def self.admin
    where(:kind => KIND_ADMIN).first
  end

  def self.member
    where(:kind => KIND_MEMBER).first
  end

  def admin?
    kind == KIND_ADMIN
  end

  def member?
    kind == KIND_MEMBER
  end

  def <=>(another_role)
    another_role.kind <=> kind
  end
end