module Deliverable extend ActiveSupport::Concern included do before_action :find_invoice end def new authorize! :manage, @invoice @recipient = @invoice.buyer.billing_email end def create authorize! :manage, @invoice InvoiceMailer.invoice_email(invoice: @invoice, recipient: params[:recipient]).deliver_now redirect_to redirect_url, notice: t('.delivered') end private def find_invoice @invoice = Invoice.find(params[:invoice_id]) end end