class Role < AbstractAdapter
  belongs_to :user
  belongs_to :ownable, polymorphic: true

  validates_uniqueness_of :user_id, scope: [:ownable_type,:ownable_id], unless: Proc.new {|u| u.user_id.nil? }, message: "user has already been assigned that role"
  validates_inclusion_of :ownable_type, in: ['Company', 'Project']

  delegate :email, to: :user,              allow_nil: true
  def attributes
    scuper.merge(email: email)
  end

  def self.ownable_assign_options(model=nil)
    (Company.all + Project.all).map { |i| [ "#{i.class}: #{i.name}", "#{i.class}-#{i.id}"] }
  end

  def ownable_assign
    ownable.present? ? "#{ownable_type}-#{ownable_id}" : nil
  end

  def ownable_assign=(value)
    self.ownable_type,self.ownable_id = value.split('-')
  end

end