chore: move the go code into a subfolder

apps/api/internal/command/restrictions.go

@@ -0,0 +1,103 @@
+package command
+
+import (
+	"context"
+
+	"golang.org/x/text/language"
+
+	"github.com/zitadel/zitadel/internal/api/authz"
+	"github.com/zitadel/zitadel/internal/command/preparation"
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/i18n"
+	"github.com/zitadel/zitadel/internal/repository/restrictions"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+type SetRestrictions struct {
+	DisallowPublicOrgRegistration *bool
+	AllowedLanguages              []language.Tag
+}
+
+func (s *SetRestrictions) Validate(defaultLanguage language.Tag) error {
+	if s == nil || (s.DisallowPublicOrgRegistration == nil && s.AllowedLanguages == nil) {
+		return zerrors.ThrowInvalidArgument(nil, "COMMAND-oASwj", "Errors.Restrictions.NoneSpecified")
+	}
+	if s.AllowedLanguages != nil {
+		if err := domain.LanguagesHaveDuplicates(s.AllowedLanguages); err != nil {
+			return err
+		}
+		if err := domain.LanguagesAreSupported(i18n.SupportedLanguages(), s.AllowedLanguages...); err != nil {
+			return err
+		}
+		if err := domain.LanguageIsAllowed(false, s.AllowedLanguages, defaultLanguage); err != nil {
+			return zerrors.ThrowPreconditionFailedf(err, "COMMAND-L0m2u", "Errors.Restrictions.DefaultLanguageMustBeAllowed")
+		}
+	}
+	return nil
+}
+
+// SetInstanceRestrictions creates new restrictions or updates existing restrictions.
+func (c *Commands) SetInstanceRestrictions(
+	ctx context.Context,
+	setRestrictions *SetRestrictions,
+) (*domain.ObjectDetails, error) {
+	instanceId := authz.GetInstance(ctx).InstanceID()
+	wm, err := c.getRestrictionsWriteModel(ctx, instanceId, instanceId)
+	if err != nil {
+		return nil, err
+	}
+	aggregateId := wm.AggregateID
+	if aggregateId == "" {
+		aggregateId, err = c.idGenerator.Next()
+		if err != nil {
+			return nil, err
+		}
+	}
+	setCmd, err := c.SetRestrictionsCommand(restrictions.NewAggregate(aggregateId, instanceId, instanceId), wm, setRestrictions)()
+	if err != nil {
+		return nil, err
+	}
+	cmds, err := setCmd(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+	if len(cmds) > 0 {
+		events, err := c.eventstore.Push(ctx, cmds...)
+		if err != nil {
+			return nil, err
+		}
+		err = AppendAndReduce(wm, events...)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return writeModelToObjectDetails(&wm.WriteModel), nil
+}
+
+func (c *Commands) getRestrictionsWriteModel(ctx context.Context, instanceId, resourceOwner string) (*restrictionsWriteModel, error) {
+	wm := newRestrictionsWriteModel(instanceId, resourceOwner)
+	return wm, c.eventstore.FilterToQueryReducer(ctx, wm)
+}
+
+func (c *Commands) SetRestrictionsCommand(a *restrictions.Aggregate, wm *restrictionsWriteModel, setRestrictions *SetRestrictions) preparation.Validation {
+	return func() (preparation.CreateCommands, error) {
+		return func(ctx context.Context, _ preparation.FilterToQueryReducer) ([]eventstore.Command, error) {
+			if err := setRestrictions.Validate(authz.GetInstance(ctx).DefaultLanguage()); err != nil {
+				return nil, err
+			}
+			changes := wm.NewChanges(setRestrictions)
+			if len(changes) == 0 {
+				return nil, nil
+			}
+			return []eventstore.Command{restrictions.NewSetEvent(
+				eventstore.NewBaseEventForPush(
+					ctx,
+					&a.Aggregate,
+					restrictions.SetEventType,
+				),
+				changes...,
+			)}, nil
+		}, nil
+	}
+}