WCFM and Woocommerce customization

Need as follow: – Define for each vendors wich parent and of course child category they can choose for his products when they add it in order to don’t permit her to insert products for category for wich they aren’t allowed; – Create a secondary shop page where are showed products from vendors with defined shipping method (in this case products where is possible local delivery by delivery boy) and from defined cities (it may be one city, two, three or more or less); – Insert city/zip code checker in order to calculate estimated delivery time and date; – If city/zip code checker is equal to zip code/city where is allowed a local delivery, on product page mast shown next time slot table available; – At checkout page must be possible to choose only one global delivery time slot and must be showed as first choose the time available latest of all vendors present on cart. for example if customer buy products from vendors A and B but opening time of vendor A is at 08:00 and for vendor B opening time is at 09:00 first global slot time available for delivery must be according vendor B in order to organize delivery for all products on the same time; - create a frontend POS where each vendor can manage their products using even using a barcode. So means when vendor add product to their Cart in the POS system than it mustn’t creare an order but the only one function must be to update thesi stock inventory. Looking forward for well assistance cooperation for other job