Hi,
I am developer but still I purchased module developed by other developers because I have less time to research and development.
The module has changes in many files therefore it will take time to research and development work.
If you have solution , please share , it will help others.
PrestaShop Tutorials Videos [How to do Tasks]
https://www.prestashop.com/forums/topic/907438-prestashop-tutorials-videos-how-to-do-tasks/