uniform

cmd/checkout/klarna-client.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -60,12 +61,15 @@ func (k *KlarnaClient) getOrderResponse(res *http.Response) (*CheckoutOrder, err
 		}
 		return &klarnaOrderResponse, nil
 	}
-	body, err := io.ReadAll(res.Body)
-	if err == nil {
-		log.Println(string(body))
+	body, readErr := io.ReadAll(res.Body)
+	if len(body) > 0 {
+		log.Printf("klarna error body: %s", string(body))
+		return nil, fmt.Errorf("klarna: %s: %s", res.Status, string(bytes.TrimSpace(body)))
 	}
-
-	return nil, fmt.Errorf("%s", res.Status)
+	if readErr != nil {
+		return nil, fmt.Errorf("klarna: %s (body unreadable: %v)", res.Status, readErr)
+	}
+	return nil, fmt.Errorf("klarna: %s", res.Status)
 }
 
 func (k *KlarnaClient) CreateOrder(ctx context.Context, reader io.Reader) (*CheckoutOrder, error) {