I need this rule on before add product to cart react event, not after save commerce order.
I need when user (buyer) klick second button add to cart (for multi order), system check the product creator id first, if the product creator id for the second order clicked is same with previous (where is actually on cart) system cancel the previous clicked order.
With this scenario I want to limit order only from same product creator for one times order. So if buyer want to continue order from different product creator they have to do after first order completed.
Any suggest how to solve this using rule??