totalize method

Order totalize()

Totalize order amounts and items

@return

Implementation

Order totalize() {
  if (content != null && content!.isNotEmpty) {
    amount = 0.00;
    tax_amount = 0.00;

    for (Item item in content!) {
      item.totalize();

      amount = amount! + item.total;
      tax_amount = tax_amount! + (item.tax * item.qty);
    }
  }

  return this;
}