chore: move the go code into a subfolder

apps/api/internal/domain/human_phone.go

@@ -0,0 +1,73 @@
+package domain
+
+import (
+	"time"
+
+	"github.com/ttacon/libphonenumber"
+
+	"github.com/zitadel/zitadel/internal/crypto"
+	es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+const defaultRegion = "CH"
+
+type PhoneNumber string
+
+func (p PhoneNumber) Normalize() (PhoneNumber, error) {
+	if p == "" {
+		return p, zerrors.ThrowInvalidArgument(nil, "PHONE-Zt0NV", "Errors.User.Phone.Empty")
+	}
+	phoneNr, err := libphonenumber.Parse(string(p), defaultRegion)
+	if err != nil {
+		return p, zerrors.ThrowInvalidArgument(err, "PHONE-so0wa", "Errors.User.Phone.Invalid")
+	}
+	return PhoneNumber(libphonenumber.Format(phoneNr, libphonenumber.E164)), nil
+}
+
+type Phone struct {
+	es_models.ObjectRoot
+
+	PhoneNumber     PhoneNumber
+	IsPhoneVerified bool
+	// PlainCode is set by the command and can be used to return it to the caller (API)
+	PlainCode *string
+}
+
+type PhoneCode struct {
+	es_models.ObjectRoot
+
+	Code   *crypto.CryptoValue
+	Expiry time.Duration
+}
+
+func (p *Phone) Normalize() error {
+	if p == nil {
+		return zerrors.ThrowInvalidArgument(nil, "PHONE-YlbwO", "Errors.User.Phone.Empty")
+	}
+	normalizedNumber, err := p.PhoneNumber.Normalize()
+	if err != nil {
+		return err
+	}
+	// Issue for avoiding mutating state: https://github.com/zitadel/zitadel/issues/5412
+	p.PhoneNumber = normalizedNumber
+	return nil
+}
+
+type PhoneState int32
+
+const (
+	PhoneStateUnspecified PhoneState = iota
+	PhoneStateActive
+	PhoneStateRemoved
+
+	phoneStateCount
+)
+
+func (s PhoneState) Valid() bool {
+	return s >= 0 && s < phoneStateCount
+}
+
+func (s PhoneState) Exists() bool {
+	return s == PhoneStateActive
+}