I'm quite new to Magento and now I've to develop an external service (C# web service), which needs to add a product to a customers cart (using the SOAPv2 call
shoppingCartProductAdd). The only information I got is the encrypted customer session id and the quote id (if the customer has already a cart).
If I've the qoute id (cart id), everything works just fine. Without the qoute id the product can't be added of course.
Is it possible to create a cart for a session? Yes I've already seen the method
shoppingCartCreate, but this will only create a cart and doesn't connect it with the customer session. Is there a method for connecting the a cart with a session?