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/repository/policy/policy_domain.go

@@ -0,0 +1,130 @@
+package policy
+
+import (
+	"encoding/json"
+
+	"github.com/caos/zitadel/internal/eventstore"
+
+	"github.com/caos/zitadel/internal/errors"
+	"github.com/caos/zitadel/internal/eventstore/repository"
+)
+
+const (
+	//TODO: use for org events as suffix (when possible)
+	DomainPolicyAddedEventType   = "policy.domain.added"
+	DomainPolicyChangedEventType = "policy.domain.changed"
+	DomainPolicyRemovedEventType = "policy.domain.removed"
+)
+
+type DomainPolicyAddedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+
+	UserLoginMustBeDomain bool `json:"userLoginMustBeDomain,omitempty"`
+}
+
+func (e *DomainPolicyAddedEvent) Data() interface{} {
+	return e
+}
+
+func (e *DomainPolicyAddedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewDomainPolicyAddedEvent(
+	base *eventstore.BaseEvent,
+	userLoginMustBeDomain bool,
+) *DomainPolicyAddedEvent {
+
+	return &DomainPolicyAddedEvent{
+		BaseEvent:             *base,
+		UserLoginMustBeDomain: userLoginMustBeDomain,
+	}
+}
+
+func DomainPolicyAddedEventMapper(event *repository.Event) (eventstore.Event, error) {
+	e := &DomainPolicyAddedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}
+
+	err := json.Unmarshal(event.Data, e)
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "POLIC-TvSmA", "unable to unmarshal policy")
+	}
+
+	return e, nil
+}
+
+type DomainPolicyChangedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+
+	UserLoginMustBeDomain *bool `json:"userLoginMustBeDomain,omitempty"`
+}
+
+func (e *DomainPolicyChangedEvent) Data() interface{} {
+	return e
+}
+
+func (e *DomainPolicyChangedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewDomainPolicyChangedEvent(
+	base *eventstore.BaseEvent,
+	changes []OrgPolicyChanges,
+) (*DomainPolicyChangedEvent, error) {
+	if len(changes) == 0 {
+		return nil, errors.ThrowPreconditionFailed(nil, "POLICY-DAf3h", "Errors.NoChangesFound")
+	}
+	changeEvent := &DomainPolicyChangedEvent{
+		BaseEvent: *base,
+	}
+	for _, change := range changes {
+		change(changeEvent)
+	}
+	return changeEvent, nil
+}
+
+type OrgPolicyChanges func(*DomainPolicyChangedEvent)
+
+func ChangeUserLoginMustBeDomain(userLoginMustBeDomain bool) func(*DomainPolicyChangedEvent) {
+	return func(e *DomainPolicyChangedEvent) {
+		e.UserLoginMustBeDomain = &userLoginMustBeDomain
+	}
+}
+
+func DomainPolicyChangedEventMapper(event *repository.Event) (eventstore.Event, error) {
+	e := &DomainPolicyChangedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}
+
+	err := json.Unmarshal(event.Data, e)
+	if err != nil {
+		return nil, errors.ThrowInternal(err, "POLIC-0Pl9d", "unable to unmarshal policy")
+	}
+
+	return e, nil
+}
+
+type DomainPolicyRemovedEvent struct {
+	eventstore.BaseEvent `json:"-"`
+}
+
+func (e *DomainPolicyRemovedEvent) Data() interface{} {
+	return nil
+}
+
+func (e *DomainPolicyRemovedEvent) UniqueConstraints() []*eventstore.EventUniqueConstraint {
+	return nil
+}
+
+func NewDomainPolicyRemovedEvent(base *eventstore.BaseEvent) *DomainPolicyRemovedEvent {
+	return &DomainPolicyRemovedEvent{
+		BaseEvent: *base,
+	}
+}
+
+func DomainPolicyRemovedEventMapper(event *repository.Event) (eventstore.Event, error) {
+	return &DomainPolicyRemovedEvent{
+		BaseEvent: *eventstore.BaseEventFromRepo(event),
+	}, nil
+}