Customize Wordpress Plugins

Hi all! I have a website in WordPress + Woocommerce + Dokan Multi Vendor Plugin Here the link for Dokan MV [login to view URL] The theme chosen is this [login to view URL] The project is a marketplace for booksellers. My need is to add functions to the ad-hoc front-end for adding books and catalog management books. PLEASE READ VERY CAREFULLY. A. First of all, I need more fields for add new books to the catalog from the front-end. 1. ID (numeric) 2. Author (Text) 3. Editor (Text) 4. Series (Text) 5. Language 6. Year (numeric) 7. ISBN (numeric) 8. Cover Type (List of 2) 9. Opinion (List of 7) B. Autocomplete of book information via Google Books with this plugin ([login to view URL]) or similar, from the front-end for all registered users. See attachment B. C. Auto hide books just purchased. Books are always in single copy and after purchase must disappear from catolog. D. Export product catalog in PDF from front-end for all users. See attachment D E. Import product catalog from CSV from front-end for all users. See attachment E F. With plugin like this ([login to view URL]) or similar the admin can define which users can access to the many functions of the plugin Dokan. See attachment F G. Multi delete of the books from the front-end of the plugin Dokan See attachment G H. At the moment, the plugin Dokan allows review only products. I'm interested in reviewing the sellers and / or buyers. Let me know if you have any doubts. Thanks.