chore: move the go code into a subfolder

apps/api/internal/user/model/phone.go

@@ -0,0 +1,45 @@
+package model
+
+import (
+	"time"
+
+	"github.com/zitadel/zitadel/internal/crypto"
+	es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+)
+
+const (
+	defaultRegion = "CH"
+)
+
+type Phone struct {
+	es_models.ObjectRoot
+
+	PhoneNumber     string
+	IsPhoneVerified bool
+}
+
+type PhoneCode struct {
+	es_models.ObjectRoot
+
+	Code   *crypto.CryptoValue
+	Expiry time.Duration
+}
+
+func (p *Phone) GeneratePhoneCodeIfNeeded(phoneGenerator crypto.Generator) (*PhoneCode, error) {
+	var phoneCode *PhoneCode
+	if p.IsPhoneVerified {
+		return phoneCode, nil
+	}
+	phoneCode = new(PhoneCode)
+	return phoneCode, phoneCode.GeneratePhoneCode(phoneGenerator)
+}
+
+func (code *PhoneCode) GeneratePhoneCode(phoneGenerator crypto.Generator) error {
+	phoneCodeCrypto, _, err := crypto.NewCode(phoneGenerator)
+	if err != nil {
+		return err
+	}
+	code.Code = phoneCodeCrypto
+	code.Expiry = phoneGenerator.Expiry()
+	return nil
+}