fix: rename iam to instance (#3345)

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename orgiampolicy to domain policy

* fix: merge conflicts

* fix: protos

* fix: md files

* implement deprecated org iam policy again

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/command/instance_model.go

@@ -0,0 +1,67 @@
+package command
+
+import (
+	"github.com/caos/zitadel/internal/domain"
+	"github.com/caos/zitadel/internal/eventstore"
+	"github.com/caos/zitadel/internal/repository/instance"
+	"golang.org/x/text/language"
+)
+
+type InstanceWriteModel struct {
+	eventstore.WriteModel
+
+	SetUpStarted domain.Step
+	SetUpDone    domain.Step
+
+	GlobalOrgID     string
+	ProjectID       string
+	DefaultLanguage language.Tag
+}
+
+func NewInstanceWriteModel() *InstanceWriteModel {
+	return &InstanceWriteModel{
+		WriteModel: eventstore.WriteModel{
+			AggregateID:   domain.IAMID,
+			ResourceOwner: domain.IAMID,
+		},
+	}
+}
+
+func (wm *InstanceWriteModel) Reduce() error {
+	for _, event := range wm.Events {
+		switch e := event.(type) {
+		case *instance.ProjectSetEvent:
+			wm.ProjectID = e.ProjectID
+		case *instance.GlobalOrgSetEvent:
+			wm.GlobalOrgID = e.OrgID
+		case *instance.DefaultLanguageSetEvent:
+			wm.DefaultLanguage = e.Language
+		case *instance.SetupStepEvent:
+			if e.Done {
+				wm.SetUpDone = e.Step
+			} else {
+				wm.SetUpStarted = e.Step
+			}
+		}
+	}
+	return nil
+}
+
+func (wm *InstanceWriteModel) Query() *eventstore.SearchQueryBuilder {
+	return eventstore.NewSearchQueryBuilder(eventstore.ColumnsEvent).
+		ResourceOwner(wm.ResourceOwner).
+		AddQuery().
+		AggregateTypes(instance.AggregateType).
+		AggregateIDs(wm.AggregateID).
+		EventTypes(
+			instance.ProjectSetEventType,
+			instance.GlobalOrgSetEventType,
+			instance.DefaultLanguageSetEventType,
+			instance.SetupStartedEventType,
+			instance.SetupDoneEventType).
+		Builder()
+}
+
+func InstanceAggregateFromWriteModel(wm *eventstore.WriteModel) *eventstore.Aggregate {
+	return eventstore.AggregateFromWriteModel(wm, instance.AggregateType, instance.AggregateVersion)
+}