chore: move the go code into a subfolder

apps/api/internal/repository/instance/event_default_language.go

@@ -0,0 +1,55 @@
+package instance
+
+import (
+	"context"
+
+	"golang.org/x/text/language"
+
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+const (
+	DefaultLanguageSetEventType eventstore.EventType = "instance.default.language.set"
+)
+
+type DefaultLanguageSetEvent struct {
+	eventstore.BaseEvent `json:"-"`
+
+	Language language.Tag `json:"language"`
+}
+
+func (e *DefaultLanguageSetEvent) Payload() interface{} {
+	return e
+}
+
+func (e *DefaultLanguageSetEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
+	return nil
+}
+
+func NewDefaultLanguageSetEvent(
+	ctx context.Context,
+	aggregate *eventstore.Aggregate,
+	language language.Tag,
+) *DefaultLanguageSetEvent {
+	return &DefaultLanguageSetEvent{
+		BaseEvent: *eventstore.NewBaseEventForPush(
+			ctx,
+			aggregate,
+			DefaultLanguageSetEventType,
+		),
+		Language: language,
+	}
+}
+
+func DefaultLanguageSetMapper(event eventstore.Event) (eventstore.Event, error) {
+	e := &DefaultLanguageSetEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}
+	err := event.Unmarshal(e)
+	if err != nil {
+		return nil, zerrors.ThrowInternal(err, "IAM-3j9fs", "unable to unmarshal default language set")
+	}
+
+	return e, nil
+}