ok, here's my method...
def calc_remaining
@taken = Cart.where('product_id' => @product).count
@remaining = @product.qty - @taken
end
but when I call it from my add to cart method, @product.qty is undefined method
`qty' for nil:NilClass.
On Thursday, March 2, 2017 at 11:07:06 AM UTC-5, Joe Guerra wrote:
>
> In my show method for my products controller I've got a variable that
> track qty ( @remaining ).
>
> Can I access this variable from another method within the same controller?
>
> Thanks,
> Joe
>
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