feat: Instance domains (#3444)

* feat: add domain list

* feat: domain tests

* feat: add redirect url on adding instance domain

* Update internal/command/instance_domain.go

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

* feat: remove unused code

* fix

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

internal/api/grpc/instance/converter.go

@@ -0,0 +1,54 @@
+package org
+
+import (
+	"github.com/caos/zitadel/internal/api/grpc/object"
+	"github.com/caos/zitadel/internal/errors"
+	"github.com/caos/zitadel/internal/query"
+	instance_pb "github.com/caos/zitadel/pkg/grpc/instance"
+)
+
+func DomainQueriesToModel(queries []*instance_pb.DomainSearchQuery) (_ []query.SearchQuery, err error) {
+	q := make([]query.SearchQuery, len(queries))
+	for i, query := range queries {
+		q[i], err = DomainQueryToModel(query)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return q, nil
+}
+
+func DomainQueryToModel(searchQuery *instance_pb.DomainSearchQuery) (query.SearchQuery, error) {
+	switch q := searchQuery.Query.(type) {
+	case *instance_pb.DomainSearchQuery_DomainQuery:
+		return query.NewInstanceDomainDomainSearchQuery(object.TextMethodToQuery(q.DomainQuery.Method), q.DomainQuery.Domain)
+	case *instance_pb.DomainSearchQuery_GeneratedQuery:
+		return query.NewInstanceDomainGeneratedSearchQuery(q.GeneratedQuery.Generated)
+	case *instance_pb.DomainSearchQuery_PrimaryQuery:
+		return query.NewInstanceDomainPrimarySearchQuery(q.PrimaryQuery.Primary)
+	default:
+		return nil, errors.ThrowInvalidArgument(nil, "ORG-Ags42", "List.Query.Invalid")
+	}
+}
+
+func DomainsToPb(domains []*query.InstanceDomain) []*instance_pb.Domain {
+	d := make([]*instance_pb.Domain, len(domains))
+	for i, domain := range domains {
+		d[i] = DomainToPb(domain)
+	}
+	return d
+}
+
+func DomainToPb(d *query.InstanceDomain) *instance_pb.Domain {
+	return &instance_pb.Domain{
+		Domain:    d.Domain,
+		Primary:   d.IsPrimary,
+		Generated: d.IsGenerated,
+		Details: object.ToViewDetailsPb(
+			d.Sequence,
+			d.CreationDate,
+			d.ChangeDate,
+			d.InstanceID,
+		),
+	}
+}