chore: move the go code into a subfolder

apps/api/internal/notification/handlers/already_handled.go

@@ -0,0 +1,50 @@
+package handlers
+
+import (
+	"context"
+
+	"github.com/zitadel/zitadel/internal/eventstore"
+)
+
+type alreadyHandled struct {
+	event      eventstore.Event
+	eventTypes []eventstore.EventType
+	data       map[string]interface{}
+
+	handled bool
+}
+
+func (a *alreadyHandled) Reduce() error {
+	return nil
+}
+
+func (a *alreadyHandled) AppendEvents(event ...eventstore.Event) {
+	if len(event) > 0 {
+		a.handled = true
+	}
+}
+
+func (a *alreadyHandled) Query() *eventstore.SearchQueryBuilder {
+	return eventstore.NewSearchQueryBuilder(eventstore.ColumnsEvent).
+		InstanceID(a.event.Aggregate().InstanceID).
+		SequenceGreater(a.event.Sequence()).
+		AddQuery().
+		AggregateTypes(a.event.Aggregate().Type).
+		AggregateIDs(a.event.Aggregate().ID).
+		EventTypes(a.eventTypes...).
+		EventData(a.data).
+		Builder()
+}
+
+func (n *NotificationQueries) IsAlreadyHandled(ctx context.Context, event eventstore.Event, data map[string]interface{}, eventTypes ...eventstore.EventType) (bool, error) {
+	already := &alreadyHandled{
+		event:      event,
+		eventTypes: eventTypes,
+		data:       data,
+	}
+	err := n.es.FilterToQueryReducer(ctx, already)
+	if err != nil {
+		return false, err
+	}
+	return already.handled, nil
+}