TG settlement service

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

@@ -0,0 +1,77 @@
+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 ConfirmationRequestNotification struct {
+	messaging.Envelope
+	payload model.ConfirmationRequest
+}
+
+func (crn *ConfirmationRequestNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(crn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return crn.Envelope.Wrap(data)
+}
+
+type ConfirmationResultNotification struct {
+	messaging.Envelope
+	payload model.ConfirmationResult
+}
+
+func (crn *ConfirmationResultNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(crn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return crn.Envelope.Wrap(data)
+}
+
+func confirmationRequestEvent() model.NotificationEvent {
+	return model.NewNotification(mservice.Notifications, nm.NAConfirmationRequest)
+}
+
+func confirmationResultEvent(sourceService, rail string) model.NotificationEvent {
+	action := strings.TrimSpace(sourceService)
+	if action == "" {
+		action = "unknown"
+	}
+	action = strings.ToLower(action)
+	rail = strings.TrimSpace(rail)
+	if rail == "" {
+		rail = "default"
+	}
+	rail = strings.ToLower(rail)
+	return model.NewNotification(mservice.Confirmations, nm.NotificationAction(action+"."+rail))
+}
+
+func NewConfirmationRequestEnvelope(sender string, request *model.ConfirmationRequest) messaging.Envelope {
+	var payload model.ConfirmationRequest
+	if request != nil {
+		payload = *request
+	}
+	return &ConfirmationRequestNotification{
+		Envelope: messaging.CreateEnvelope(sender, confirmationRequestEvent()),
+		payload:  payload,
+	}
+}
+
+func NewConfirmationResultEnvelope(sender string, result *model.ConfirmationResult, sourceService, rail string) messaging.Envelope {
+	var payload model.ConfirmationResult
+	if result != nil {
+		payload = *result
+	}
+	return &ConfirmationResultNotification{
+		Envelope: messaging.CreateEnvelope(sender, confirmationResultEvent(sourceService, rail)),
+		payload:  payload,
+	}
+}

api/pkg/messaging/internal/notifications/confirmations/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/confirmations/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 ConfirmationRequestProcessor struct {
+	logger  mlogger.Logger
+	handler ch.ConfirmationRequestHandler
+	event   model.NotificationEvent
+}
+
+func (crp *ConfirmationRequestProcessor) Process(ctx context.Context, envelope me.Envelope) error {
+	var msg model.ConfirmationRequest
+	if err := json.Unmarshal(envelope.GetData(), &msg); err != nil {
+		crp.logger.Warn("Failed to decode confirmation request envelope", zap.Error(err), zap.String("topic", crp.event.ToString()))
+		return err
+	}
+	if crp.handler == nil {
+		crp.logger.Warn("Confirmation request handler is not configured", zap.String("topic", crp.event.ToString()))
+		return nil
+	}
+	return crp.handler(ctx, &msg)
+}
+
+func (crp *ConfirmationRequestProcessor) GetSubject() model.NotificationEvent {
+	return crp.event
+}
+
+type ConfirmationResultProcessor struct {
+	logger  mlogger.Logger
+	handler ch.ConfirmationResultHandler
+	event   model.NotificationEvent
+}
+
+func (crp *ConfirmationResultProcessor) Process(ctx context.Context, envelope me.Envelope) error {
+	var msg model.ConfirmationResult
+	if err := json.Unmarshal(envelope.GetData(), &msg); err != nil {
+		crp.logger.Warn("Failed to decode confirmation result envelope", zap.Error(err), zap.String("topic", crp.event.ToString()))
+		return err
+	}
+	if crp.handler == nil {
+		crp.logger.Warn("Confirmation result handler is not configured", zap.String("topic", crp.event.ToString()))
+		return nil
+	}
+	return crp.handler(ctx, &msg)
+}
+
+func (crp *ConfirmationResultProcessor) GetSubject() model.NotificationEvent {
+	return crp.event
+}
+
+func NewConfirmationRequestProcessor(logger mlogger.Logger, handler ch.ConfirmationRequestHandler) np.EnvelopeProcessor {
+	if logger != nil {
+		logger = logger.Named("confirmation_request_processor")
+	}
+	return &ConfirmationRequestProcessor{
+		logger:  logger,
+		handler: handler,
+		event:   confirmationRequestEvent(),
+	}
+}
+
+func NewConfirmationResultProcessor(logger mlogger.Logger, sourceService, rail string, handler ch.ConfirmationResultHandler) np.EnvelopeProcessor {
+	if logger != nil {
+		logger = logger.Named("confirmation_result_processor")
+	}
+	return &ConfirmationResultProcessor{
+		logger:  logger,
+		handler: handler,
+		event:   confirmationResultEvent(sourceService, rail),
+	}
+}