Posts by Vilmar Rodrigues Dahmer • 1 point

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  A: Calculate parent and child totals

  To make the sum_details method a little more concise. def sum_detail self.valor_total = self.details.inject(0){|sum,detail| sum + detail.total } end Removes self.save! from sum_prices and…

  ruby-on-rails ruby

  answered 8 years, 9 months ago Vilmar Rodrigues Dahmer 1