class PieceJustificative < ActiveRecord::Base belongs_to :dossier belongs_to :type_de_piece_justificative delegate :api_entreprise, :libelle, to: :type_de_piece_justificative alias_attribute :type, :type_de_piece_justificative_id mount_uploader :content, PieceJustificativeUploader def empty? content.blank? end end