add logic to delete and srore sub

handlers/events.go

@@ -70,3 +70,24 @@ func (h AgendaHandler) SubscribeEvent(eventid string, subscriber string, data ma
 	err = h.storage.AddSubscription(eventid, subscription)
 	return
 }
+
+func (h AgendaHandler) DeleteSubscription(eventid string, subscriber string, data map[string]any) (err error) {
+	if eventid == "" || subscriber == "" {
+		return errors.New("missing eventid or subscriber")
+	}
+	now := time.Now()
+	id := uuid.NewString()
+	deletesubscription := storage.Subscription{
+		ID:         id,
+		Subscriber: subscriber,
+		Tags:       []string{},
+		CreatedAt:  now,
+		Data:       map[string]any{},
+	}
+	// Initiate data map
+	for k, v := range data {
+		deletesubscription.Data[k] = v
+	}
+	err = h.storage.UpdateSubscription(eventid, subscriber, deletesubscription)
+	return
+}