Contents

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

8 entries across 8 versions & 1 rubygems

Version	Path
ibm_db-5.2.0-x86-mingw32	test/models/invoice.rb
ibm_db-5.1.0-x86-mingw32	test/models/invoice.rb
ibm_db-5.0.5-x86-mingw32	test/models/invoice.rb
ibm_db-5.0.4-x86-mingw32	test/models/invoice.rb
ibm_db-5.0.3-x86-mingw32	test/models/invoice.rb
ibm_db-5.0.2-x86-mingw32	test/models/invoice.rb
ibm_db-3.0.5-x86-mingw32	test/models/invoice.rb
ibm_db-3.0.5	test/models/invoice.rb