troubleshooting Question

Drupal 7 Commerce Rules - Stop Duplicate item

Avatar of quikwallace
quikwallace asked on
15 Comments1 Solution1894 ViewsLast Modified:
Not sure if there are a lot of drupal experts here, but i'll ask, will give me some sense of accomplishment, maybe.

So I have a commerce site, need to prevent users from adding the same item to their cart.  They should only be able to purchase 1 of any sku type.

Sooo, using rules,  I just want to say:
before adding this item to cart
look in cart
if there is another item with the same sku
if so, do not add this item, display message saying dup prevented
continue shopping experience.

I've tried so many things and read so many comments - but nothing is working.  Most rules examples are really basic and the more complex ones, either don't relate close enough to my need or the instructions are just.....  

I had a rule that would check for quantity after i had added the product to the cart, this was ok, except the added to cart message appears along with the duplicate removed message I created.  Obviously I can get rid of the add to cart msg, so I need to address this before the item is added.

Is anyone out there proficient with Drupal 7 Commerce Rules and have any idea on how to resolve this?
Aaron Feledy
Drupal Developer and Consultant

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