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.
Demohttps://codecanyon.net/item/openpos-a-complete-pos-plugins-for-woocomerce/22613341
Downloadhttps://www.filecad.com/a976/Openpos-v4.5.0---WooCommerce-Point-Of-Sale-(POS).rar