You are looking for a solution to synchronize data between your online website and your local store; you are looking for a quick solution to manage your cafe/restaurant. OpenPOS is a must have Plugin to do that.
Demo https://codecanyon.net/item/openpos-a-complete-pos-plugins-for-woocomerce/22613341
Downloadhttps://www.filecad.com/e908/Openpos-v3.3.5.6---WooCommerce-Point-Of-Sale(POS).rar