TG settlement service

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

@@ -0,0 +1,66 @@
+package notifications
+
+import (
+	"encoding/json"
+
+	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 PaymentGatewayIntentNotification struct {
+	messaging.Envelope
+	payload model.PaymentGatewayIntent
+}
+
+func (pgn *PaymentGatewayIntentNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(pgn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return pgn.Envelope.Wrap(data)
+}
+
+type PaymentGatewayExecutionNotification struct {
+	messaging.Envelope
+	payload model.PaymentGatewayExecution
+}
+
+func (pgn *PaymentGatewayExecutionNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(pgn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return pgn.Envelope.Wrap(data)
+}
+
+func intentEvent() model.NotificationEvent {
+	return model.NewNotification(mservice.PaymentGateway, nm.NAPaymentGatewayIntent)
+}
+
+func executionEvent() model.NotificationEvent {
+	return model.NewNotification(mservice.PaymentGateway, nm.NAPaymentGatewayExecution)
+}
+
+func NewPaymentGatewayIntentEnvelope(sender string, intent *model.PaymentGatewayIntent) messaging.Envelope {
+	var payload model.PaymentGatewayIntent
+	if intent != nil {
+		payload = *intent
+	}
+	return &PaymentGatewayIntentNotification{
+		Envelope: messaging.CreateEnvelope(sender, intentEvent()),
+		payload:  payload,
+	}
+}
+
+func NewPaymentGatewayExecutionEnvelope(sender string, exec *model.PaymentGatewayExecution) messaging.Envelope {
+	var payload model.PaymentGatewayExecution
+	if exec != nil {
+		payload = *exec
+	}
+	return &PaymentGatewayExecutionNotification{
+		Envelope: messaging.CreateEnvelope(sender, executionEvent()),
+		payload:  payload,
+	}
+}

api/pkg/messaging/internal/notifications/paymentgateway/processor.go

@@ -0,0 +1,81 @@
+package notifications
+
+import (
+	"context"
+	"encoding/json"
+
+	me "github.com/tech/sendico/pkg/messaging/envelope"
+	ch "github.com/tech/sendico/pkg/messaging/notifications/paymentgateway/handler"
+	np "github.com/tech/sendico/pkg/messaging/notifications/processor"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/model"
+	"go.uber.org/zap"
+)
+
+type PaymentGatewayIntentProcessor struct {
+	logger  mlogger.Logger
+	handler ch.PaymentGatewayIntentHandler
+	event   model.NotificationEvent
+}
+
+func (pgp *PaymentGatewayIntentProcessor) Process(ctx context.Context, envelope me.Envelope) error {
+	var msg model.PaymentGatewayIntent
+	if err := json.Unmarshal(envelope.GetData(), &msg); err != nil {
+		pgp.logger.Warn("Failed to decode payment gateway intent envelope", zap.Error(err), zap.String("topic", pgp.event.ToString()))
+		return err
+	}
+	if pgp.handler == nil {
+		pgp.logger.Warn("Payment gateway intent handler is not configured", zap.String("topic", pgp.event.ToString()))
+		return nil
+	}
+	return pgp.handler(ctx, &msg)
+}
+
+func (pgp *PaymentGatewayIntentProcessor) GetSubject() model.NotificationEvent {
+	return pgp.event
+}
+
+type PaymentGatewayExecutionProcessor struct {
+	logger  mlogger.Logger
+	handler ch.PaymentGatewayExecutionHandler
+	event   model.NotificationEvent
+}
+
+func (pgp *PaymentGatewayExecutionProcessor) Process(ctx context.Context, envelope me.Envelope) error {
+	var msg model.PaymentGatewayExecution
+	if err := json.Unmarshal(envelope.GetData(), &msg); err != nil {
+		pgp.logger.Warn("Failed to decode payment gateway execution envelope", zap.Error(err), zap.String("topic", pgp.event.ToString()))
+		return err
+	}
+	if pgp.handler == nil {
+		pgp.logger.Warn("Payment gateway execution handler is not configured", zap.String("topic", pgp.event.ToString()))
+		return nil
+	}
+	return pgp.handler(ctx, &msg)
+}
+
+func (pgp *PaymentGatewayExecutionProcessor) GetSubject() model.NotificationEvent {
+	return pgp.event
+}
+
+func NewPaymentGatewayIntentProcessor(logger mlogger.Logger, handler ch.PaymentGatewayIntentHandler) np.EnvelopeProcessor {
+	if logger != nil {
+		logger = logger.Named("payment_gateway_intent_processor")
+	}
+	return &PaymentGatewayIntentProcessor{
+		logger:  logger,
+		handler: handler,
+		event:   intentEvent(),
+	}
+}
+
+func NewPaymentGatewayExecutionProcessor(logger mlogger.Logger, handler ch.PaymentGatewayExecutionHandler) np.EnvelopeProcessor {
+	if logger != nil {
+		logger = logger.Named("payment_gateway_execution_processor")
+	}
+	return &PaymentGatewayExecutionProcessor{
+		logger:  logger,
+		handler: handler,
+		event:   executionEvent(),
+	}
+}