frontend: place order
Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
This commit is contained in:
Ahmet Alp Balkan
parent
3eb02c0679
commit
483e113643
6 changed files with 224 additions and 47 deletions
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@ -48,7 +48,7 @@ func ensureSessionID(next http.HandlerFunc) http.HandlerFunc {
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}
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func (fe *frontendServer) homeHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("[home] session_id=%+v currency=%s", sessionID(r), currentCurrency(r))
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log.Printf("[home] session_id=%s currency=%s", sessionID(r), currentCurrency(r))
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currencies, err := fe.getCurrencies(r.Context())
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if err != nil {
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http.Error(w, fmt.Sprintf("could not retrieve currencies: %+v", err), http.StatusInternalServerError)
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@ -150,7 +150,7 @@ func (fe *frontendServer) addToCartHandler(w http.ResponseWriter, r *http.Reques
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http.Error(w, "invalid form input", http.StatusBadRequest)
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return
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}
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log.Printf("[addToCart] product_id=%s qty=%d session_id=%+v", productID, quantity, sessionID(r))
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log.Printf("[addToCart] product_id=%s qty=%d session_id=%s", productID, quantity, sessionID(r))
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p, err := fe.getProduct(r.Context(), productID)
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if err != nil {
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@ -167,7 +167,7 @@ func (fe *frontendServer) addToCartHandler(w http.ResponseWriter, r *http.Reques
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}
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func (fe *frontendServer) emptyCartHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("[emptyCart] session_id=%+v", sessionID(r))
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log.Printf("[emptyCart] session_id=%s", sessionID(r))
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if err := fe.emptyCart(r.Context(), sessionID(r)); err != nil {
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http.Error(w, fmt.Sprintf("failed to empty cart: %+v", err), http.StatusInternalServerError)
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@ -178,7 +178,7 @@ func (fe *frontendServer) emptyCartHandler(w http.ResponseWriter, r *http.Reques
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}
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func (fe *frontendServer) viewCartHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("[viewCart] session_id=%+v", sessionID(r))
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log.Printf("[viewCart] session_id=%s", sessionID(r))
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currencies, err := fe.getCurrencies(r.Context())
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if err != nil {
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http.Error(w, fmt.Sprintf("could not retrieve currencies: %+v", err), http.StatusInternalServerError)
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@ -196,12 +196,19 @@ func (fe *frontendServer) viewCartHandler(w http.ResponseWriter, r *http.Request
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return
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}
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shippingCost, err := fe.getShippingQuote(r.Context(), cart, currentCurrency(r))
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to get shipping quote: %+v", err), http.StatusInternalServerError)
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return
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}
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type cartItemView struct {
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Item *pb.Product
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Quantity int32
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Price *pb.Money
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}
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items := make([]cartItemView, len(cart))
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totalPrice := pb.Money{CurrencyCode: currentCurrency(r)}
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for i, item := range cart {
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p, err := fe.getProduct(r.Context(), item.GetProductId())
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if err != nil {
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@ -219,15 +226,73 @@ func (fe *frontendServer) viewCartHandler(w http.ResponseWriter, r *http.Request
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Item: p,
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Quantity: item.GetQuantity(),
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Price: &multPrice}
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totalPrice = money.Must(money.Sum(totalPrice, multPrice))
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}
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totalPrice = money.Must(money.Sum(totalPrice, *shippingCost))
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year := time.Now().Year()
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if err := templates.ExecuteTemplate(w, "cart", map[string]interface{}{
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"user_currency": currentCurrency(r),
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"currencies": currencies,
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"user_currency": currentCurrency(r),
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"currencies": currencies,
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"session_id": sessionID(r),
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"recommendations": recommendations,
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"cart_size": len(cart),
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"shipping_cost": shippingCost,
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"total_cost": totalPrice,
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"items": items,
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"expiration_years": []int{year, year + 1, year + 2, year + 3, year + 4},
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}); err != nil {
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log.Println(err)
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}
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}
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func (fe *frontendServer) placeOrderHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("[checkout] session_id=%s", sessionID(r))
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var (
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email = r.FormValue("email")
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streetAddress = r.FormValue("street_address")
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zipCode, _ = strconv.ParseInt(r.FormValue("zip_code"), 10, 32)
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city = r.FormValue("city")
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state = r.FormValue("state")
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country = r.FormValue("country")
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ccNumber = r.FormValue("credit_card_number")
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ccMonth, _ = strconv.ParseInt(r.FormValue("credit_card_expiration_month"), 10, 32)
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ccYear, _ = strconv.ParseInt(r.FormValue("credit_card_expiration_year"), 10, 32)
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ccCVV, _ = strconv.ParseInt(r.FormValue("credit_card_cvv"), 10, 32)
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)
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order, err := pb.NewCheckoutServiceClient(fe.checkoutSvcConn).
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PlaceOrder(r.Context(), &pb.PlaceOrderRequest{
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Email: email,
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CreditCard: &pb.CreditCardInfo{
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CreditCardNumber: ccNumber,
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CreditCardExpirationMonth: int32(ccMonth),
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CreditCardExpirationYear: int32(ccYear),
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CreditCardCvv: int32(ccCVV)},
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UserId: sessionID(r),
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UserCurrency: currentCurrency(r),
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Address: &pb.Address{
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StreetAddress: streetAddress,
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City: city,
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State: state,
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ZipCode: int32(zipCode),
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Country: country},
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})
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to complete the order: %+v", err), http.StatusInternalServerError)
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return
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}
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log.Printf("order #%s completed", order.GetOrder().GetOrderId())
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order.GetOrder().GetItems()
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recommendations, _ := fe.getRecommendations(r.Context(), sessionID(r), nil)
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if err := templates.ExecuteTemplate(w, "order", map[string]interface{}{
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"session_id": sessionID(r),
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"user_currency": currentCurrency(r),
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"order": order.GetOrder(),
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"recommendations": recommendations,
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"cart_size": len(cart),
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"items": items,
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}); err != nil {
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log.Println(err)
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}
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@ -256,7 +321,7 @@ func (fe *frontendServer) prepareCheckoutHandler(w http.ResponseWriter, r *http.
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}
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func (fe *frontendServer) logoutHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("[home] session_id=%+v", sessionID(r))
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log.Printf("[logout] session_id=%s", sessionID(r))
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for _, c := range r.Cookies() {
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c.Expires = time.Now().Add(-time.Hour * 24 * 365)
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c.MaxAge = -1
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@ -268,7 +333,7 @@ func (fe *frontendServer) logoutHandler(w http.ResponseWriter, r *http.Request)
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func (fe *frontendServer) setCurrencyHandler(w http.ResponseWriter, r *http.Request) {
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cur := r.FormValue("currency_code")
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log.Printf("[setCurrency] session_id=%+v code=%s", sessionID(r), cur)
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log.Printf("[setCurrency] session_id=%s code=%s", sessionID(r), cur)
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if cur != "" {
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http.SetCookie(w, &http.Cookie{
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Name: cookieCurrency,
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@ -43,6 +43,9 @@ type frontendServer struct {
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checkoutSvcAddr string
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checkoutSvcConn *grpc.ClientConn
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shippingSvcAddr string
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shippingSvcConn *grpc.ClientConn
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}
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func main() {
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@ -59,6 +62,7 @@ func main() {
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mustMapEnv(&svc.cartSvcAddr, "CART_SERVICE_ADDR")
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mustMapEnv(&svc.recommendationSvcAddr, "RECOMMENDATION_SERVICE_ADDR")
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mustMapEnv(&svc.checkoutSvcAddr, "CHECKOUT_SERVICE_ADDR")
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mustMapEnv(&svc.shippingSvcAddr, "SHIPPING_SERVICE_ADDR")
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var err error
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svc.currencySvcConn, err = grpc.DialContext(ctx, svc.currencySvcAddr, grpc.WithInsecure())
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@ -77,6 +81,14 @@ func main() {
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if err != nil {
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log.Fatalf("failed to connect recommendation service at %s: %+v", svc.recommendationSvcAddr, err)
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}
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svc.shippingSvcConn, err = grpc.DialContext(ctx, svc.shippingSvcAddr, grpc.WithInsecure())
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if err != nil {
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log.Fatalf("failed to connect shipping service at %s: %+v", svc.shippingSvcAddr, err)
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}
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svc.checkoutSvcConn, err = grpc.DialContext(ctx, svc.checkoutSvcAddr, grpc.WithInsecure())
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if err != nil {
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log.Fatalf("failed to connect checkout service at %s: %+v", svc.checkoutSvcAddr, err)
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}
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r := mux.NewRouter()
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r.HandleFunc("/", ensureSessionID(svc.homeHandler)).Methods(http.MethodGet, http.MethodHead)
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@ -86,7 +98,7 @@ func main() {
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r.HandleFunc("/cart/empty", ensureSessionID(svc.emptyCartHandler)).Methods(http.MethodPost)
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r.HandleFunc("/setCurrency", ensureSessionID(svc.setCurrencyHandler)).Methods(http.MethodPost)
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r.HandleFunc("/logout", svc.logoutHandler).Methods(http.MethodGet)
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r.HandleFunc("/checkout", ensureSessionID(svc.prepareCheckoutHandler)).Methods(http.MethodGet, http.MethodHead)
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r.HandleFunc("/cart/checkout", ensureSessionID(svc.placeOrderHandler)).Methods(http.MethodPost)
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r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("./static/"))))
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log.Printf("starting server on :" + srvPort)
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log.Fatal(http.ListenAndServe("localhost:"+srvPort, r))
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@ -76,6 +76,21 @@ func (fe *frontendServer) convertCurrency(ctx context.Context, money *pb.Money,
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ToCode: currency})
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}
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func (fe *frontendServer) getShippingQuote(ctx context.Context, items []*pb.CartItem, currency string) (*pb.Money, error) {
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quote, err := pb.NewShippingServiceClient(fe.currencySvcConn).GetQuote(ctx,
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&pb.GetQuoteRequest{
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Address: nil,
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Items: items})
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if err != nil {
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return nil, err
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}
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localized, err := fe.convertCurrency(ctx, quote.GetCostUsd(), currency)
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if err != nil {
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return nil, fmt.Errorf("failed to convert currency for shipping cost: %+v", err)
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}
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return localized, nil
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}
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func (fe *frontendServer) getRecommendations(ctx context.Context, userID string, productIDs []string) ([]*pb.Product, error) {
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resp, err := pb.NewRecommendationServiceClient(fe.recommendationSvcConn).ListRecommendations(ctx,
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&pb.ListRecommendationsRequest{UserId: userID, ProductIds: productIDs})
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@ -10,11 +10,22 @@
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<a class="btn btn-primary" href="/" role="button">Browse Products → </a>
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{{ else }}
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<h3>{{ len $.items }} item {{- if gt (len $.items) 1}}s{{end}}
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in your Shopping Cart</h3> <form method="POST" action="/cart/empty">
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<button class="btn btn-secondary" type="submit">Empty Cart</button>
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</form>
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<div class="row mb-3 py-2">
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<div class="col">
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<h3>{{ len $.items }} item
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{{- if gt (len $.items) 1}}s{{end}}
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in your Shopping Cart</h3>
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</div>
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<div class="col text-right">
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<form method="POST" action="/cart/empty">
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<button class="btn btn-secondary" type="submit">Empty cart</button>
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<a class="btn btn-info" href="/" role="button">Browse more products → </a>
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</form>
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</div>
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</div>
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<hr>
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{{ range $.items }}
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<div class="row pt-2 mb-2">
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<div class="col text-right">
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@ -33,45 +44,97 @@
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</div>
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</div>
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{{ end }} <!-- range $.items-->
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<div class="row pt-2 my-3">
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<div class="col text-center">
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<p class="text-muted my-0">Shipping Cost: <strong>{{ renderMoney .shipping_cost }}</strong></p>
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Total Cost: <strong>{{ renderMoney .total_cost }}</strong>
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</div>
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</div>
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<hr/>
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<div class="row py-3 my-2">
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<div class="col-12 col-lg-8 offset-lg-2">
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<h3>Prepare to checkout</h3>
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<form class="needs-validation">
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<div class="form-row">
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<div class="col-md-5 mb-3">
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<label for="street_address_1">Street Address</label>
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<input type="text" class="form-control" id="street_address_1"
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value="1600 Amphitheatre Parkway" required>
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<h3>Checkout</h3>
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<form action="/cart/checkout" method="POST">
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<div class="form-row">
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<div class="col-md-5 mb-4">
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<label for="email">E-mail Address</label>
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<input type="email" class="form-control" id="email"
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name="email" value="someone@example.com" required>
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</div>
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<div class="col-md-5 mb-4">
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<label for="street_address">Street Address</label>
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<input type="text" class="form-control" name="street_address"
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id="street_address" value="1600 Amphitheatre Parkway" required>
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</div>
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<div class="col-md-2 mb-4">
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<label for="zip_code">Zip Code</label>
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<input type="text" class="form-control"
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name="zip_code" id="zip_code" value="94043" required pattern="\d{4,5}">
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</div>
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</div>
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<div class="col-md-5 mb-3">
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<label for="street_address_2">Street Address (cont.)</label>
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<input type="text" class="form-control" id="street_address_2" placeholder="...your address here">
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<div class="form-row">
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<div class="col-md-5 mb-3">
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<label for="city">City</label>
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<input type="text" class="form-control" name="city" id="city"
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value="Mountain View" required>
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</div>
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<div class="col-md-2 mb-3">
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<label for="state">State</label>
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<input type="text" class="form-control" name="state" id="state"
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value="CA" required>
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</div>
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<div class="col-md-5 mb-3">
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<label for="country">Country</label>
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<input type="text" class="form-control" id="country"
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placeholder="Country Name"
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name="country" value="United States" required>
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</div>
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</div>
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<div class="col-md-2 mb-3">
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<label for="zip_code">Zip Code</label>
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<input type="text" class="form-control" id="zip_code" value="94043" required>
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<div class="form-row">
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<div class="col-md-6 mb-3">
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<label for="credit_card_number">Credit Card Number</label>
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<input type="text" class="form-control" id="credit_card_number"
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name="credit_card_number"
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placeholder="0000-0000-0000-0000"
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value="4432-8015-6152-0454"
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required pattern="\d{4}-\d{4}-\d{4}-\d{4}">
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</div>
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<div class="col-md-2 mb-3">
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<label for="credit_card_expiration_month">Month</label>
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<select name="credit_card_expiration_month" id="credit_card_expiration_month"
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class="form-control">
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<option value="1">January</option>
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<option value="2">February</option>
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<option value="3">March</option>
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<option value="4">April</option>
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<option value="5">May</option>
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<option value="6">June</option>
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<option value="7">July</option>
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<option value="8">August</option>
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<option value="9">September</option>
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<option value="10">October</option>
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<option value="11">November</option>
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<option value="12">January</option>
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</select>
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</div>
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<div class="col-md-2 mb-3">
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<label for="credit_card_expiration_year">Year</label>
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<select name="credit_card_expiration_year" id="credit_card_expiration_year"
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class="form-control">
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{{range $.expiration_years}}<option value="{{.}}">{{.}}</option>{{end}}
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</select>
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</div>
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<div class="col-md-2 mb-3">
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<label for="credit_card_cvv">CVV</label>
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<input type="text" class="form-control" id="credit_card_cvv"
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name="credit_card_cvv" value="672" required pattern="\d{3}">
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</div>
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</div>
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</div>
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<div class="form-row">
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<div class="col-md-6 mb-3">
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<label for="city">City</label>
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<input type="text" class="form-control" id="city" placeholder="City" value="Mountain View" required>
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<div class="form-row">
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<button class="btn btn-primary" type="submit">Place your order →</button>
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</div>
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<div class="col-md-3 mb-3">
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<label for="state">State</label>
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<input type="text" class="form-control" id="state" placeholder="State" value="CA" required>
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</div>
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<div class="col-md-3 mb-3">
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<label for="country">Country</label>
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<input type="text" class="form-control" id="country" placeholder="Country Name"
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value="United States" required>
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</div>
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</div>
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<div class="form-row">
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<a class="btn btn-primary" href="/checkout" role="button">Proceed to Checkout →</a>
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</div>
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</form>
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</div>
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</div>
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@ -16,6 +16,7 @@
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<a href="/" class="navbar-brand d-flex align-items-center">
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Hipster Shop
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</a>
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{{ if $.currencies }}
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<form class="form-inline ml-auto" method="POST" action="/setCurrency" id="currency_form">
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<select name="currency_code" class="form-control"
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onchange="document.getElementById('currency_form').submit();">
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@ -25,6 +26,7 @@
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</select>
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<a class="btn btn-primary btn-light ml-2" href="/cart" role="button">View Cart ({{$.cart_size}})</a>
|
||||
</form>
|
||||
{{ end }}
|
||||
</div>
|
||||
</div>
|
||||
</header>
|
||||
|
|
|
|||
20
src/frontend/templates/order.html
Normal file
20
src/frontend/templates/order.html
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
{{ define "order" }}
|
||||
{{ template "header" . }}
|
||||
|
||||
<main role="main">
|
||||
<div class="py-5">
|
||||
<div class="container bg-light py-3 px-lg-5 py-lg-5">
|
||||
<h3>
|
||||
Your order is complete!
|
||||
</h3>
|
||||
<p>
|
||||
Order Confirmation ID: {{ $.order }}
|
||||
</p>
|
||||
|
||||
{{ template "recommendations" $.recommendations }}
|
||||
</div>
|
||||
</div>
|
||||
</main>
|
||||
|
||||
{{ template "footer" . }}
|
||||
{{ end }}
|
||||
Loading…
Reference in a new issue