chore: move the go code into a subfolder

apps/api/internal/domain/human_email.go

@@ -0,0 +1,78 @@
+package domain
+
+import (
+	"io"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/zitadel/zitadel/internal/crypto"
+	es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+	"github.com/zitadel/zitadel/internal/zerrors"
+)
+
+var (
+	emailRegex = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
+)
+
+type EmailAddress string
+
+func (e EmailAddress) Validate() error {
+	if e == "" {
+		return zerrors.ThrowInvalidArgument(nil, "EMAIL-spblu", "Errors.User.Email.Empty")
+	}
+	if !emailRegex.MatchString(string(e)) {
+		return zerrors.ThrowInvalidArgument(nil, "EMAIL-599BI", "Errors.User.Email.Invalid")
+	}
+	return nil
+}
+
+func (e EmailAddress) Normalize() EmailAddress {
+	return EmailAddress(strings.TrimSpace(string(e)))
+}
+
+type Email struct {
+	es_models.ObjectRoot
+
+	EmailAddress    EmailAddress
+	IsEmailVerified bool
+	// PlainCode is set by the command and can be used to return it to the caller (API)
+	PlainCode *string
+}
+
+type EmailCode struct {
+	es_models.ObjectRoot
+
+	Code   *crypto.CryptoValue
+	Expiry time.Duration
+}
+
+func (e *Email) Validate() error {
+	if e == nil {
+		return zerrors.ThrowInvalidArgument(nil, "EMAIL-spblu", "Errors.User.Email.Empty")
+	}
+	return e.EmailAddress.Validate()
+}
+
+func NewEmailCode(emailGenerator crypto.Generator) (*EmailCode, string, error) {
+	emailCodeCrypto, code, err := crypto.NewCode(emailGenerator)
+	if err != nil {
+		return nil, "", err
+	}
+	return &EmailCode{
+		Code:   emailCodeCrypto,
+		Expiry: emailGenerator.Expiry(),
+	}, code, nil
+}
+
+type ConfirmURLData struct {
+	UserID string
+	Code   string
+	OrgID  string
+}
+
+// RenderConfirmURLTemplate parses and renders tmpl.
+// userID, code and orgID are passed into the [ConfirmURLData].
+func RenderConfirmURLTemplate(w io.Writer, tmpl, userID, code, orgID string) error {
+	return renderURLTemplate(w, tmpl, &ConfirmURLData{userID, code, orgID})
+}