refactored orchestrator and callbacks service to use pkg messsaging + envelope factory / handler

api/pkg/messaging/internal/notifications/paymentorchestrator/notification.go

@@ -0,0 +1,42 @@
+package notifications
+
+import (
+	"encoding/json"
+	"strings"
+
+	messaging "github.com/tech/sendico/pkg/messaging/envelope"
+	"github.com/tech/sendico/pkg/model"
+	nm "github.com/tech/sendico/pkg/model/notification"
+	"github.com/tech/sendico/pkg/mservice"
+)
+
+type PaymentStatusUpdatedNotification struct {
+	messaging.Envelope
+	payload model.PaymentStatusUpdated
+}
+
+func (psn *PaymentStatusUpdatedNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(psn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return psn.Envelope.Wrap(data)
+}
+
+func paymentStatusUpdatedEvent() model.NotificationEvent {
+	return model.NewNotification(mservice.PaymentOrchestrator, nm.NAUpdated)
+}
+
+func NewPaymentStatusUpdatedEnvelope(sender string, status *model.PaymentStatusUpdated) messaging.Envelope {
+	payload := model.PaymentStatusUpdated{}
+	if status != nil {
+		payload = *status
+	}
+	if strings.TrimSpace(payload.Type) == "" {
+		payload.Type = model.PaymentStatusUpdatedType
+	}
+	return &PaymentStatusUpdatedNotification{
+		Envelope: messaging.CreateEnvelope(sender, paymentStatusUpdatedEvent()),
+		payload:  payload,
+	}
+}