On Feb 22, 3:48 pm, DanC <d.m.coleg...@durham.ac.uk> wrote:
> i.e. in my categories controller
>
> @category = Category.find(params[:id])
> @services=Service.find(:all, :order => "XXXXXXX", :conditions =>
> ['category_id = ?', @category.id])
>
If you join the discounts table you can just order by
discounts.percentage
Fred
> where XXXX relates to one of the columns in the discount table. The
> column gives the % discount available stored as an integer field.
>
> Any ideas on best practice here,
>
> I thought I could write a method into the Service.rb model file but
> although I can call the value easily I can't order by the entry.
>
> def reduction
> return discount.percentage
> end
>
> All help appreciated.
>
> Dan C
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