chore: move the go code into a subfolder

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

@@ -0,0 +1,61 @@
+package handlers
+
+import (
+	"context"
+	"net/url"
+
+	"github.com/zitadel/logging"
+
+	http_utils "github.com/zitadel/zitadel/internal/api/http"
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/query"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type OriginEvent interface {
+	eventstore.Event
+	TriggerOrigin() string
+}
+
+func (n *NotificationQueries) Origin(ctx context.Context, e eventstore.Event) (context.Context, error) {
+	var origin string
+	originEvent, ok := e.(OriginEvent)
+	if !ok {
+		logging.Errorf("event of type %T doesn't implement OriginEvent", e)
+	} else {
+		origin = originEvent.TriggerOrigin()
+	}
+	if origin != "" {
+		return enrichCtx(ctx, origin)
+	}
+	primary, err := query.NewInstanceDomainPrimarySearchQuery(true)
+	if err != nil {
+		return ctx, err
+	}
+	domains, err := n.SearchInstanceDomains(ctx, &query.InstanceDomainSearchQueries{
+		Queries: []query.SearchQuery{primary},
+	})
+	if err != nil {
+		return ctx, err
+	}
+	if len(domains.Domains) < 1 {
+		return ctx, zerrors.ThrowInternal(nil, "NOTIF-Ef3r1", "Errors.Notification.NoDomain")
+	}
+	return enrichCtx(
+		ctx,
+		http_utils.BuildHTTP(domains.Domains[0].Domain, n.externalPort, n.externalSecure),
+	)
+}
+
+func enrichCtx(ctx context.Context, origin string) (context.Context, error) {
+	u, err := url.Parse(origin)
+	if err != nil {
+		return nil, err
+	}
+	ctx = http_utils.WithDomainContext(ctx, &http_utils.DomainCtx{
+		InstanceHost: u.Host,
+		PublicHost:   u.Host,
+		Protocol:     u.Scheme,
+	})
+	return ctx, nil
+}