refactor klarna stuff

main.go

@@ -148,7 +148,9 @@ func main() {
 		Url: amqpUrl,
 	}
 
-	syncedServer := NewPoolServer(syncedPool, fmt.Sprintf("%s, %s", name, podIp))
+	klarnaClient := NewKlarnaClient(KlarnaPlaygroundUrl, os.Getenv("KLARNA_API_USERNAME"), os.Getenv("KLARNA_API_PASSWORD"))
+
+	syncedServer := NewPoolServer(syncedPool, fmt.Sprintf("%s, %s", name, podIp), klarnaClient)
 	mux := http.NewServeMux()
 	mux.Handle("/cart/", http.StripPrefix("/cart", syncedServer.Serve()))
 	// only for local
@@ -194,7 +196,9 @@ func main() {
 		}
 		orderId := r.URL.Query().Get("order_id")
 		log.Printf("Order confirmation push: %s", orderId)
-		req, err := http.NewRequest("GET", fmt.Sprintf("https://api.playground.klarna.com/checkout/v3/orders/%s", orderId), nil)
+
+		order, err := klarnaClient.GetOrder(orderId)
+
 		if err != nil {
 			log.Printf("Error creating request: %v\n", err)
 			w.WriteHeader(http.StatusInternalServerError)
@@ -202,27 +206,7 @@ func main() {
 			return
 		}
 
-		req.Header.Add("Content-Type", "application/json")
-		req.SetBasicAuth(APIUsername, APIPassword)
-
-		res, err := http.DefaultClient.Do(req)
-
-		if nil != err {
-			log.Printf("Error making request: %v\n", err)
-			w.WriteHeader(http.StatusInternalServerError)
-			w.Write([]byte(err.Error()))
-			return
-		}
-		defer res.Body.Close()
-		var klarnaOrderResponse KlarnaOrderResponse
-		err = json.NewDecoder(res.Body).Decode(&klarnaOrderResponse)
-		if err != nil {
-			log.Printf("Error decoding response: %v\n", err)
-			w.WriteHeader(http.StatusInternalServerError)
-			w.Write([]byte(err.Error()))
-			return
-		}
-		orderToSend, err := json.Marshal(klarnaOrderResponse)
+		orderToSend, err := json.Marshal(order)
 		if err != nil {
 			log.Printf("Error marshaling order: %v\n", err)
 		} else {
@@ -242,11 +226,11 @@ func main() {
 				return
 			}
 		}
-		_, err = syncedServer.pool.Process(ToCartId(klarnaOrderResponse.MerchantReference1), Message{
+		_, err = syncedServer.pool.Process(ToCartId(order.MerchantReference1), Message{
 			Type: OrderCompletedType,
 			Content: &messages.OrderCreated{
-				OrderId: klarnaOrderResponse.OrderID,
-				Status:  klarnaOrderResponse.Status,
+				OrderId: order.ID,
+				Status:  order.Status,
 			},
 		})
 		if err != nil {