Dolibarr e-comerce integration is not an easy thing.
Our e-commerce solution is available also for opencart (from 1.5 to 3.0). http://dolicart.com
We provide a full cloud service for e-commerce integration with Dolibarr for Opencart, Magento, Woocommerce, Prestashop.
There is an online demo available contact me over https://tiaris.eu https://tiaris.eu
