On Jun 5, 5:01 am, Kevin Fu <[email protected]> wrote:
> Hi,
>
> I have a method like this, calculating the sub_total in an order model:
>
> def sub_total
> result = 0
> for item in self.order_items
> result += item.price
> end
> result
> end
>
> Is there a rails way to make the method more simple and concise?
>
Have a peak at the sum method :-)
Fred
> Thank you :)
>
> --
> regards,
> Kai Fu
>
> Material Science and Engineering
> Huazhong University of Science and Technology
> Wuhan Hubei Province P.R.China
> E-mail: [email protected]
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