Chimera Settle service

api/gateway/chsettle/internal/service/gateway/transfer_notifications.go

@@ -0,0 +1,108 @@
+package gateway
+
+import (
+	"context"
+
+	"github.com/tech/sendico/gateway/chsettle/storage/model"
+	"github.com/tech/sendico/pkg/merrors"
+	paymentgateway "github.com/tech/sendico/pkg/messaging/notifications/paymentgateway"
+	pmodel "github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mservice"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"github.com/tech/sendico/pkg/payments/rail"
+	"go.uber.org/zap"
+)
+
+func isFinalStatus(t *model.PaymentRecord) bool {
+	switch t.Status {
+	case model.PaymentStatusFailed, model.PaymentStatusSuccess, model.PaymentStatusCancelled:
+		return true
+	default:
+		return false
+	}
+}
+
+func toOpStatus(t *model.PaymentRecord) (rail.OperationResult, error) {
+	switch t.Status {
+	case model.PaymentStatusFailed:
+		return rail.OperationResultFailed, nil
+	case model.PaymentStatusSuccess:
+		return rail.OperationResultSuccess, nil
+	case model.PaymentStatusCancelled:
+		return rail.OperationResultCancelled, nil
+	default:
+		return rail.OperationResultFailed, merrors.InvalidArgument("unexpected transfer status", "payment.status")
+	}
+}
+
+func (s *Service) updateTransferStatus(ctx context.Context, record *model.PaymentRecord) error {
+	if record == nil {
+		return merrors.InvalidArgument("payment record is required", "record")
+	}
+	s.logger.Debug("Persisting transfer status",
+		zap.String("idempotency_key", record.IdempotencyKey),
+		zap.String("payment_ref", record.PaymentIntentID),
+		zap.String("status", string(record.Status)),
+		zap.Bool("is_final", isFinalStatus(record)))
+	if !isFinalStatus(record) {
+		if err := s.repo.Payments().Upsert(ctx, record); err != nil {
+			s.logger.Warn("Failed to update transfer status", zap.String("payment_ref", record.PaymentIntentID), zap.String("status", string(record.Status)), zap.Error(err))
+			return err
+		}
+		s.logger.Debug("Transfer status persisted (non-final)",
+			zap.String("idempotency_key", record.IdempotencyKey),
+			zap.String("status", string(record.Status)))
+		return nil
+	}
+
+	_, err := s.executeTransaction(ctx, func(txCtx context.Context) (any, error) {
+		if upsertErr := s.repo.Payments().Upsert(txCtx, record); upsertErr != nil {
+			return nil, upsertErr
+		}
+		if isFinalStatus(record) {
+			if emitErr := s.emitTransferStatusEvent(txCtx, record); emitErr != nil {
+				return nil, emitErr
+			}
+		}
+		return nil, nil
+	})
+	if err != nil {
+		s.logger.Warn("Failed to update transfer status", zap.String("payment_ref", record.PaymentIntentID), zap.String("status", string(record.Status)), zap.Error(err))
+		return err
+	}
+	s.logger.Info("Transfer status persisted (final)",
+		zap.String("idempotency_key", record.IdempotencyKey),
+		zap.String("status", string(record.Status)))
+	return nil
+}
+
+func (s *Service) emitTransferStatusEvent(ctx context.Context, record *model.PaymentRecord) error {
+	if s == nil || record == nil {
+		return nil
+	}
+	if s.producer == nil || s.outboxStore() == nil {
+		return nil
+	}
+	status, err := toOpStatus(record)
+	if err != nil {
+		s.logger.Warn("Failed to map transfer status for transfer status event", zap.Error(err), mzap.ObjRef("transfer_ref", record.ID))
+		return err
+	}
+
+	exec := pmodel.PaymentGatewayExecution{
+		PaymentIntentID: record.PaymentIntentID,
+		IdempotencyKey:  record.IdempotencyKey,
+		ExecutedMoney:   record.ExecutedMoney,
+		PaymentRef:      record.PaymentRef,
+		Status:          status,
+		OperationRef:    record.OperationRef,
+		Error:           record.FailureReason,
+		TransferRef:     record.ID.Hex(),
+	}
+	env := paymentgateway.PaymentGatewayExecution(mservice.ChSettle, &exec)
+	if sendErr := s.sendWithOutbox(ctx, env); sendErr != nil {
+		s.logger.Warn("Failed to publish transfer status event", zap.Error(sendErr), mzap.ObjRef("transfer_ref", record.ID))
+		return sendErr
+	}
+	return nil
+}