Contents

# frozen_string_literal: true

class Invoice < ActiveRecord::Base
  has_many :line_items, autosave: true
  before_save { |record| record.balance = record.line_items.map(&:amount).sum }
end

Version data entries

6 entries across 6 versions & 2 rubygems

Version	Path
ibm_db-5.5.0	test/models/invoice.rb
ibm_db-5.4.1	test/models/invoice.rb
ibm_db-5.4.0	test/models/invoice.rb
ibm_db-5.3.2	test/models/invoice.rb
ibm_db-5.3.1	test/models/invoice.rb
ruby-on-quails-0.1.0	activerecord/test/models/invoice.rb