Please look at this php software.
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I want this as a module for opencart. The idea is to book stalls for a local concert. The amount of seats configured should create a corresponding product, so lets say in the admin, I create 10 seats, this should automatically create 10 products for the seat that can be checked out using the regular payment system of opencart. If I delete a seat, it should delete the product as well.
I will give you a test bed online to test and configure this.