# frozen_string_literal: true module Attachmentable extend ActiveSupport::Concern included do before_post_process :set_file_extensions end private def set_file_extensions self.class.attachment_definitions.each_key do |attachment_name| attachment = send(attachment_name) next if attachment.blank? extension = Paperclip::Interpolations.content_type_extension(attachment, :original) basename = Paperclip::Interpolations.basename(attachment, :original) attachment.instance_write :file_name, [basename, extension].delete_if(&:blank?).join('.') end end end