New code verification service

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

@@ -0,0 +1,47 @@
+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"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type confirmationCodePayload struct {
+	AccountRef  string `json:"accountRef"`
+	Destination string `json:"destination"`
+	Target      string `json:"target"`
+	Code        string `json:"code"`
+}
+
+type ConfirmationCodeNotification struct {
+	messaging.Envelope
+	payload confirmationCodePayload
+}
+
+func (ccn *ConfirmationCodeNotification) Serialize() ([]byte, error) {
+	data, err := json.Marshal(ccn.payload)
+	if err != nil {
+		return nil, err
+	}
+	return ccn.Envelope.Wrap(data)
+}
+
+func newConfirmationEvent(action nm.NotificationAction) model.NotificationEvent {
+	return model.NewNotification(mservice.Confirmations, action)
+}
+
+func NewConfirmationCodeEnvelope(sender string, accountRef primitive.ObjectID, destination string, target model.ConfirmationTarget, code string) messaging.Envelope {
+	return &ConfirmationCodeNotification{
+		Envelope: messaging.CreateEnvelope(sender, newConfirmationEvent(nm.NAPending)),
+		payload: confirmationCodePayload{
+			AccountRef:  accountRef.Hex(),
+			Destination: destination,
+			Target:      string(target),
+			Code:        code,
+		},
+	}
+}