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Diffstat (limited to 'activerecord/test/models/invoice.rb')
-rw-r--r-- | activerecord/test/models/invoice.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/test/models/invoice.rb b/activerecord/test/models/invoice.rb new file mode 100644 index 0000000000..1851792ed5 --- /dev/null +++ b/activerecord/test/models/invoice.rb @@ -0,0 +1,6 @@ +# 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 |