Fix ldap user sync missed email in email_address table (go-gitea#18786)

* Fix ldap user sync missed email in email_address table

* Fix test

Author: lunny

models/user/user.go

@@ -827,8 +827,9 @@ func validateUser(u *User) error {
 	return ValidateEmail(u.Email)
 }
 
-func updateUser(ctx context.Context, u *User, changePrimaryEmail bool) error {
-	if err := validateUser(u); err != nil {
+func updateUser(ctx context.Context, u *User, changePrimaryEmail bool, cols ...string) error {
+	err := validateUser(u)
+	if err != nil {
 		return err
 	}
 
@@ -860,15 +861,34 @@ func updateUser(ctx context.Context, u *User, changePrimaryEmail bool) error {
 		}); err != nil {
 			return err
 		}
+	} else { // check if primary email in email_address table
+		primaryEmailExist, err := e.Where("uid=? AND is_primary=?", u.ID, true).Exist(&EmailAddress{})
+		if err != nil {
+			return err
+		}
+
+		if !primaryEmailExist {
+			_, err = e.Insert(&EmailAddress{
+				Email:       u.Email,
+				UID:         u.ID,
+				IsActivated: true,
+				IsPrimary:   true,
+			})
+			return err
+		}
 	}
 
-	_, err := e.ID(u.ID).AllCols().Update(u)
+	if len(cols) == 0 {
+		_, err = e.ID(u.ID).AllCols().Update(u)
+	} else {
+		_, err = e.ID(u.ID).Cols(cols...).Update(u)
+	}
 	return err
 }
 
 // UpdateUser updates user's information.
-func UpdateUser(u *User, emailChanged bool) error {
-	return updateUser(db.DefaultContext, u, emailChanged)
+func UpdateUser(u *User, emailChanged bool, cols ...string) error {
+	return updateUser(db.DefaultContext, u, emailChanged, cols...)
 }
 
 // UpdateUserCols update user according special columns

services/auth/source/ldap/source_sync.go

@@ -146,6 +146,7 @@ func (source *Source) Sync(ctx context.Context, updateExisting bool) error {
 				log.Trace("SyncExternalUsers[%s]: Updating user %s", source.authSource.Name, usr.Name)
 
 				usr.FullName = fullName
+				emailChanged := usr.Email != su.Mail
 				usr.Email = su.Mail
 				// Change existing admin flag only if AdminFilter option is set
 				if len(source.AdminFilter) > 0 {
@@ -157,7 +158,7 @@ func (source *Source) Sync(ctx context.Context, updateExisting bool) error {
 				}
 				usr.IsActive = true
 
-				err = user_model.UpdateUserCols(db.DefaultContext, usr, "full_name", "email", "is_admin", "is_restricted", "is_active")
+				err = user_model.UpdateUser(usr, emailChanged, "full_name", "email", "is_admin", "is_restricted", "is_active")
 				if err != nil {
 					log.Error("SyncExternalUsers[%s]: Error updating user %s: %v", source.authSource.Name, usr.Name, err)
 				}