class User include Mongoid::Document include Mongoid::Timestamps devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable mount_uploader :avatar, AvatarUploader field :admin, :type => Boolean, :default => true field :active_role has_many :attribute_values, :autosave => true, :dependent => :destroy belongs_to :role belongs_to :sub_role accepts_nested_attributes_for :attribute_values, :allow_destroy => true def name infos = self.user_infos.detect {|info| info.key.to_s.eql?('profile') } if infos first_name = infos.attribute_values.detect {|value| value.key.to_s.eql?('first_name') }[I18n.locale.to_s] rescue nil last_name = infos.attribute_values.detect {|value| value.key.to_s.eql?('last_name') }[I18n.locale.to_s] rescue nil return "#{first_name} #{last_name}" else return nil end end end