cleanup

cmd/cart/checkout_server.go

@@ -0,0 +1,120 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"git.tornberg.me/go-cart-actor/pkg/actor"
+	"git.tornberg.me/go-cart-actor/pkg/cart"
+	amqp "github.com/rabbitmq/amqp091-go"
+)
+
+func (a *App) HandleCheckoutRequests(amqpUrl string, mux *http.ServeMux) {
+	conn, err := amqp.Dial(amqpUrl)
+	if err != nil {
+		log.Fatalf("failed to connect to RabbitMQ: %v", err)
+	}
+
+	amqpListener := actor.NewAmqpListener(conn, func(id uint64, msg []actor.ApplyResult) (any, error) {
+		return &CartChangeEvent{
+			CartId:    cart.CartId(id),
+			Mutations: msg,
+		}, nil
+	})
+	amqpListener.DefineTopics()
+	a.pool.AddListener(amqpListener)
+	orderHandler := NewAmqpOrderHandler(conn)
+	orderHandler.DefineTopics()
+
+	mux.HandleFunc("/push", func(w http.ResponseWriter, r *http.Request) {
+
+		if r.Method != http.MethodPost {
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+		orderId := r.URL.Query().Get("order_id")
+		log.Printf("Order confirmation push: %s", orderId)
+
+		order, err := a.klarnaClient.GetOrder(orderId)
+
+		if err != nil {
+			log.Printf("Error creating request: %v\n", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		err = confirmOrder(order, orderHandler)
+		if err != nil {
+			log.Printf("Error confirming order: %v\n", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		err = triggerOrderCompleted(a.server, order)
+		if err != nil {
+			log.Printf("Error processing cart message: %v\n", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		err = a.klarnaClient.AcknowledgeOrder(orderId)
+		if err != nil {
+			log.Printf("Error acknowledging order: %v\n", err)
+		}
+
+		w.WriteHeader(http.StatusOK)
+	})
+
+	mux.HandleFunc("/checkout", a.server.CheckoutHandler(func(order *CheckoutOrder, w http.ResponseWriter) error {
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		w.Header().Set("Permissions-Policy", "payment=(self \"https://js.stripe.com\" \"https://m.stripe.network\" \"https://js.playground.kustom.co\")")
+		w.WriteHeader(http.StatusOK)
+		_, err := fmt.Fprintf(w, tpl, order.HTMLSnippet)
+		return err
+	}))
+
+	mux.HandleFunc("/confirmation/{order_id}", func(w http.ResponseWriter, r *http.Request) {
+
+		orderId := r.PathValue("order_id")
+		order, err := a.klarnaClient.GetOrder(orderId)
+
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		if order.Status == "checkout_complete" {
+			http.SetCookie(w, &http.Cookie{
+				Name:     "cartid",
+				Value:    "",
+				Path:     "/",
+				Secure:   true,
+				HttpOnly: true,
+				Expires:  time.Unix(0, 0),
+				SameSite: http.SameSiteLaxMode,
+			})
+		}
+
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprintf(w, tpl, order.HTMLSnippet)
+	})
+	mux.HandleFunc("/validate", func(w http.ResponseWriter, r *http.Request) {
+		log.Printf("Klarna order validation, method: %s", r.Method)
+		if r.Method != "POST" {
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+		order := &CheckoutOrder{}
+		err := json.NewDecoder(r.Body).Decode(order)
+		if err != nil {
+			w.WriteHeader(http.StatusBadRequest)
+		}
+		log.Printf("Klarna order validation: %s", order.ID)
+
+		w.WriteHeader(http.StatusOK)
+	})
+}