better adyen handling

cmd/checkout/adyen-handlers.go

@@ -16,6 +16,7 @@ import (
 	"github.com/adyen/adyen-go-api-library/v21/src/hmacvalidator"
 	"github.com/adyen/adyen-go-api-library/v21/src/webhook"
 	"github.com/google/uuid"
+	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/anypb"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
@@ -133,33 +134,40 @@ func (s *CheckoutPoolServer) AdyenHookHandler(w http.ResponseWriter, r *http.Req
 					http.Error(w, err.Error(), http.StatusBadRequest)
 					return
 				}
-				// Apply payment event for authorization
-				if err := s.applyAnywhere(r.Context(), checkoutId, &messages.PaymentEvent{
+				msgs := []proto.Message{
+					&messages.PaymentEvent{
 						PaymentId: item.PspReference,
 						Success:   isSuccess,
 						Name:      item.EventCode,
 						Data:      &anypb.Any{Value: dataBytes},
-				}); err != nil {
+					},
+				}
+				if isSuccess {
+					msgs = append(msgs, &messages.PaymentCompleted{
+						PaymentId: item.PspReference,
+						Status:    item.Success,
+						Amount:    item.Amount.Value,
+					})
+				} else {
+					msgs = append(msgs, &messages.PaymentDeclined{
+						PaymentId: item.PspReference,
+						Message:   item.Reason,
+					})
+				}
+				if err := s.applyAnywhere(r.Context(), checkoutId, msgs...); err != nil {
 					log.Printf("error applying authorization event: %v", err)
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+					return
 				}
 
 				// If successful authorization, trigger capture
 				if isSuccess {
-					grain, err := s.Get(r.Context(), checkoutId)
-					if err != nil {
-						log.Printf("Error getting checkout: %v", err)
-						http.Error(w, "Checkout not found", http.StatusBadRequest)
-						return
-					}
-					meta := GetCheckoutMetaFromRequest(r)
+
 					pspReference := item.PspReference
 					uid := uuid.New().String()
-					ref := grain.Id.String()
+					ref := cart.CartId(checkoutId).String()
 					req := service.ModificationsApi.CaptureAuthorisedPaymentInput(pspReference).IdempotencyKey(uid).PaymentCaptureRequest(adyenCheckout.PaymentCaptureRequest{
-						Amount: adyenCheckout.Amount{
-							Currency: meta.Currency,
-							Value:    grain.CartTotalPrice.IncVat,
-						},
+						Amount:          adyenCheckout.Amount(item.Amount),
 						MerchantAccount: "ElgigantenECOM",
 						Reference:       &ref,
 					})