public int addProduct(string productName, string productCategory, int price, int rank, int quantityLeft, int storeID, Session session) { DBStore storeDB = DBStore.getInstance(); Store store = storeDB.getStore(storeID); StoreRole sr = store.getStoreRole(session.getSubscribedUser()); Product product = new Product(productName, productCategory, price, rank, quantityLeft, store); sr.addProduct(product); return(product.getProductID()); }