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

4 entries across 4 versions & 1 rubygems

Version	Path
ibm_db-5.5.0-x86-mingw32	test/models/invoice.rb
ibm_db-5.4.1-x86-mingw32	test/models/invoice.rb
ibm_db-5.4.0-x86-mingw32	test/models/invoice.rb
ibm_db-5.3.2-x86-mingw32	test/models/invoice.rb