feat: Add GetInstance endpoint (#9452)

internal/api/grpc/instance/v2/converter.go

@@ -0,0 +1,41 @@
+package instance
+
+import (
+	"github.com/zitadel/zitadel/cmd/build"
+	"github.com/zitadel/zitadel/internal/api/grpc/object/v2"
+	"github.com/zitadel/zitadel/internal/query"
+	"github.com/zitadel/zitadel/pkg/grpc/instance/v2"
+)
+
+func ToProtoObject(inst *query.Instance) *instance.Instance {
+	return &instance.Instance{
+		Id:      inst.ID,
+		Name:    inst.Name,
+		Domains: DomainsToPb(inst.Domains),
+		Version: build.Version(),
+		Details: object.ToViewDetailsPb(inst.Sequence, inst.CreationDate, inst.ChangeDate, inst.ID),
+	}
+}
+
+func DomainsToPb(domains []*query.InstanceDomain) []*instance.Domain {
+	d := []*instance.Domain{}
+	for _, dm := range domains {
+		pbDomain := DomainToPb(dm)
+		d = append(d, pbDomain)
+	}
+	return d
+}
+
+func DomainToPb(d *query.InstanceDomain) *instance.Domain {
+	return &instance.Domain{
+		Domain:    d.Domain,
+		Primary:   d.IsPrimary,
+		Generated: d.IsGenerated,
+		Details: object.ToViewDetailsPb(
+			d.Sequence,
+			d.CreationDate,
+			d.ChangeDate,
+			d.InstanceID,
+		),
+	}
+}