266 lines
7.6 KiB
Go
266 lines
7.6 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"time"
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"git.k6n.net/go-cart-actor/pkg/cart"
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"git.k6n.net/go-cart-actor/pkg/checkout"
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messages "git.k6n.net/go-cart-actor/proto/checkout"
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"github.com/matst80/go-redis-inventory/pkg/inventory"
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)
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/*
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*
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*
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* s.CheckoutHandler(func(order *CheckoutOrder, w http.ResponseWriter) error {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.Header().Set("Permissions-Policy", "payment=(self \"https://js.stripe.com\" \"https://m.stripe.network\" \"https://js.playground.kustom.co\")")
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w.WriteHeader(http.StatusOK)
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_, err := fmt.Fprintf(w, tpl, order.HTMLSnippet)
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return err
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})
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*/
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// func (s *CheckoutPoolServer) KlarnaHtmlCheckoutHandler(w http.ResponseWriter, r *http.Request, checkoutId checkout.CheckoutId) error {
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// orderId := r.URL.Query().Get("order_id")
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// var order *CheckoutOrder
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// var err error
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// if orderId == "" {
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// order, err = s.CreateOrUpdateCheckout(r, checkoutId)
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// if err != nil {
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// logger.Error("unable to create klarna session", "error", err)
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// return err
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// }
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// // s.ApplyKlarnaPaymentStarted(r.Context(), order, checkoutId)
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// }
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// order, err = s.klarnaClient.GetOrder(r.Context(), orderId)
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// if err != nil {
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// return err
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// }
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// w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// w.Header().Set("Permissions-Policy", "payment=(self \"https://js.stripe.com\" \"https://m.stripe.network\" \"https://js.playground.kustom.co\")")
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// w.WriteHeader(http.StatusOK)
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// _, err = fmt.Fprintf(w, tpl, order.HTMLSnippet)
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// return err
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// }
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// func (s *CheckoutPoolServer) KlarnaSessionHandler(w http.ResponseWriter, r *http.Request, checkoutId checkout.CheckoutId) error {
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// orderId := r.URL.Query().Get("order_id")
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// var order *CheckoutOrder
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// var err error
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// if orderId == "" {
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// order, err = s.CreateOrUpdateCheckout(r, checkoutId)
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// if err != nil {
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// logger.Error("unable to create klarna session", "error", err)
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// return err
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// }
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// // s.ApplyKlarnaPaymentStarted(r.Context(), order, checkoutId)
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// }
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// order, err = s.klarnaClient.GetOrder(r.Context(), orderId)
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// if err != nil {
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// return err
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// }
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// w.Header().Set("Content-Type", "application/json; charset=utf-8")
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// return json.NewEncoder(w).Encode(order)
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// }
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func (s *CheckoutPoolServer) KlarnaConfirmationHandler(w http.ResponseWriter, r *http.Request) {
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orderId := r.PathValue("order_id")
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order, err := s.klarnaClient.GetOrder(r.Context(), orderId)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(err.Error()))
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return
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}
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// Apply ConfirmationViewed mutation
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cartId, ok := cart.ParseCartId(order.MerchantReference1)
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if ok {
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s.Apply(r.Context(), uint64(cartId), &messages.ConfirmationViewed{})
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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if order.Status == "checkout_complete" {
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http.SetCookie(w, &http.Cookie{
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Name: "cartid",
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Value: "",
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Path: "/",
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Secure: true,
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HttpOnly: true,
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Expires: time.Unix(0, 0),
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SameSite: http.SameSiteLaxMode,
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})
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}
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w.WriteHeader(http.StatusOK)
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fmt.Fprintf(w, tpl, order.HTMLSnippet)
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}
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func (s *CheckoutPoolServer) KlarnaValidationHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Klarna order validation, method: %s", r.Method)
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if r.Method != "POST" {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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order := &CheckoutOrder{}
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err := json.NewDecoder(r.Body).Decode(order)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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}
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logger.InfoContext(r.Context(), "Klarna order validation received", "order_id", order.ID, "cart_id", order.MerchantReference1)
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grain, err := s.getGrainFromKlarnaOrder(r.Context(), order)
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if err != nil {
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logger.ErrorContext(r.Context(), "Unable to get grain from klarna order", "error", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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s.reserveInventory(r.Context(), grain)
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w.WriteHeader(http.StatusOK)
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}
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func (s *CheckoutPoolServer) KlarnaNotificationHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Klarna order notification, method: %s", r.Method)
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logger.InfoContext(r.Context(), "Klarna order notification received", "method", r.Method)
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if r.Method != "POST" {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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order := &CheckoutOrder{}
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err := json.NewDecoder(r.Body).Decode(order)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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}
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log.Printf("Klarna order notification: %s", order.ID)
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logger.InfoContext(r.Context(), "Klarna order notification received", "order_id", order.ID)
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w.WriteHeader(http.StatusOK)
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}
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func (s *CheckoutPoolServer) KlarnaPushHandler(w http.ResponseWriter, r *http.Request) {
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log.Printf("Klarna order confirmation push, method: %s", r.Method)
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if r.Method != http.MethodPost {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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orderId := r.URL.Query().Get("order_id")
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log.Printf("Order confirmation push: %s", orderId)
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order, err := s.klarnaClient.GetOrder(r.Context(), orderId)
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if err != nil {
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log.Printf("Error creating request: %v\n", err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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grain, err := s.getGrainFromKlarnaOrder(r.Context(), order)
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if err != nil {
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logger.ErrorContext(r.Context(), "Unable to get grain from klarna order", "error", err.Error())
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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if s.inventoryService != nil {
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inventoryRequests := getInventoryRequests(grain.CartState.Items)
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err = s.inventoryService.ReserveInventory(r.Context(), inventoryRequests...)
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if err != nil {
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logger.WarnContext(r.Context(), "placeorder inventory reservation failed")
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w.WriteHeader(http.StatusNotAcceptable)
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return
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}
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s.Apply(r.Context(), uint64(grain.Id), &messages.InventoryReserved{
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Id: grain.Id.String(),
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Status: "success",
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})
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}
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// err = confirmOrder(r.Context(), order, orderHandler)
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// if err != nil {
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// log.Printf("Error confirming order: %v\n", err)
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// w.WriteHeader(http.StatusInternalServerError)
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// return
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// }
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// err = triggerOrderCompleted(r.Context(), a.server, order)
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// if err != nil {
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// log.Printf("Error processing cart message: %v\n", err)
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// w.WriteHeader(http.StatusInternalServerError)
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// return
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// }
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err = s.klarnaClient.AcknowledgeOrder(r.Context(), orderId)
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if err != nil {
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log.Printf("Error acknowledging order: %v\n", err)
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}
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w.WriteHeader(http.StatusOK)
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}
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var tpl = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>s10r testing - checkout</title>
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</head>
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<body>
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%s
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</body>
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</html>
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`
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func getLocationId(item *cart.CartItem) inventory.LocationID {
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if item.StoreId == nil || *item.StoreId == "" {
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return "se"
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}
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return inventory.LocationID(*item.StoreId)
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}
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func getInventoryRequests(items []*cart.CartItem) []inventory.ReserveRequest {
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var requests []inventory.ReserveRequest
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for _, item := range items {
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if item == nil {
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continue
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}
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requests = append(requests, inventory.ReserveRequest{
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InventoryReference: &inventory.InventoryReference{
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SKU: inventory.SKU(item.Sku),
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LocationID: getLocationId(item),
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},
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Quantity: uint32(item.Quantity),
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})
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}
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return requests
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}
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func (a *CheckoutPoolServer) getGrainFromKlarnaOrder(ctx context.Context, order *CheckoutOrder) (*checkout.CheckoutGrain, error) {
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cartId, ok := cart.ParseCartId(order.MerchantReference1)
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if !ok {
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return nil, fmt.Errorf("invalid cart id in order reference: %s", order.MerchantReference1)
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}
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grain, err := a.Get(ctx, uint64(cartId))
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if err != nil {
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return nil, fmt.Errorf("failed to get cart grain: %w", err)
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}
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return grain, nil
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}
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