clear cart cookies

pool-server.go

@@ -31,6 +31,7 @@ func (s *PoolServer) HandleGet(w http.ResponseWriter, r *http.Request, id CartId
 	if err != nil {
 		return err
 	}
+
 	return s.WriteResult(w, data)
 }
 
@@ -316,6 +317,18 @@ func CookieCartIdHandler(fn func(w http.ResponseWriter, r *http.Request, cartId
 	}
 }
 
+func (s *PoolServer) RemoveCartCookie(w http.ResponseWriter, r *http.Request, cartId CartId) error {
+	cartId = NewCartId()
+	http.SetCookie(w, &http.Cookie{
+		Name:     "cartid",
+		Value:    cartId.String(),
+		Path:     "/",
+		SameSite: http.SameSiteLaxMode,
+	})
+	w.WriteHeader(http.StatusOK)
+	return nil
+}
+
 func CartIdHandler(fn func(w http.ResponseWriter, r *http.Request, cartId CartId) error) func(w http.ResponseWriter, r *http.Request) error {
 	return func(w http.ResponseWriter, r *http.Request) error {
 		cartId := ToCartId(r.PathValue("id"))
@@ -339,6 +352,7 @@ func (s *PoolServer) Serve() *http.ServeMux {
 	mux.HandleFunc("POST /set", ErrorHandler(CookieCartIdHandler(s.HandleSetCartItems)))
 	mux.HandleFunc("DELETE /{itemId}", ErrorHandler(CookieCartIdHandler(s.HandleDeleteItem)))
 	mux.HandleFunc("PUT /", ErrorHandler(CookieCartIdHandler(s.HandleQuantityChange)))
+	mux.HandleFunc("DELETE /", ErrorHandler(CookieCartIdHandler(s.RemoveCartCookie)))
 	mux.HandleFunc("POST /delivery", ErrorHandler(CookieCartIdHandler(s.HandleSetDelivery)))
 	mux.HandleFunc("DELETE /delivery/{deliveryId}", ErrorHandler(CookieCartIdHandler(s.HandleRemoveDelivery)))
 	mux.HandleFunc("PUT /delivery/{deliveryId}/pickupPoint", ErrorHandler(CookieCartIdHandler(s.HandleSetPickupPoint)))