Sunday, March 5, 2017
It works fine in the show method, but fails in add_to_cart.
On Sunday, March 5, 2017 at 1:37:54 PM UTC-5, Hassan Schroeder wrote:
-- On Sunday, March 5, 2017 at 1:37:54 PM UTC-5, Hassan Schroeder wrote:
On Sun, Mar 5, 2017 at 10:23 AM, Joe Guerra <JGu...@jginfosys.com> wrote:
> 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.
And that tells you that @product is nil at that point. Where is the code
that sets that variable?
--
Hassan Schroeder ------------------------ hassan.s...@gmail.com
twitter: @hassan
Consulting Availability : Silicon Valley or remote
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