Move user related model into models/user (#17781)

* Move user related model into models/user

* Fix lint for windows

* Fix windows lint

* Fix windows lint

* Move some tests in models

* Merge

1 files changed, 7 insertions, 3 deletions

diff --git a/services/auth/source/smtp/auth.go b/services/auth/source/smtp/auth.go
index d797982da1..c5bd09b0a7 100644
--- a/services/auth/source/smtp/auth.go
+++ b/services/auth/source/smtp/auth.go
@@ -6,13 +6,12 @@ package smtp
 
 import (
 	"crypto/tls"
+	"errors"
 	"fmt"
 	"net"
 	"net/smtp"
 	"os"
 	"strconv"
-
-	"code.gitea.io/gitea/models"
 )
 
 //   _________   __________________________
@@ -52,6 +51,11 @@ const (
 // Authenticators contains available SMTP authentication type names.
 var Authenticators = []string{PlainAuthentication, LoginAuthentication, CRAMMD5Authentication}
 
+var (
+	// ErrUnsupportedLoginType login source is unknown error
+	ErrUnsupportedLoginType = errors.New("Login source is unknown")
+)
+
 // Authenticate performs an SMTP authentication.
 func Authenticate(a smtp.Auth, source *Source) error {
 	tlsConfig := &tls.Config{
@@ -101,5 +105,5 @@ func Authenticate(a smtp.Auth, source *Source) error {
 		return client.Auth(a)
 	}
 
-	return models.ErrUnsupportedLoginType
+	return ErrUnsupportedLoginType
 }