From e68b9d00a6e05b3a941f63ffb696f91e554ac5ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 models/user/redirect.go | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 models/user/redirect.go

(limited to 'models/user/redirect.go')

diff --git a/models/user/redirect.go b/models/user/redirect.go
new file mode 100644
index 0000000..5a40d4d
--- /dev/null
+++ b/models/user/redirect.go
@@ -0,0 +1,87 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/modules/util"
+)
+
+// ErrUserRedirectNotExist represents a "UserRedirectNotExist" kind of error.
+type ErrUserRedirectNotExist struct {
+	Name string
+}
+
+// IsErrUserRedirectNotExist check if an error is an ErrUserRedirectNotExist.
+func IsErrUserRedirectNotExist(err error) bool {
+	_, ok := err.(ErrUserRedirectNotExist)
+	return ok
+}
+
+func (err ErrUserRedirectNotExist) Error() string {
+	return fmt.Sprintf("user redirect does not exist [name: %s]", err.Name)
+}
+
+func (err ErrUserRedirectNotExist) Unwrap() error {
+	return util.ErrNotExist
+}
+
+// Redirect represents that a user name should be redirected to another
+type Redirect struct {
+	ID             int64  `xorm:"pk autoincr"`
+	LowerName      string `xorm:"UNIQUE(s) INDEX NOT NULL"`
+	RedirectUserID int64  // userID to redirect to
+}
+
+// TableName provides the real table name
+func (Redirect) TableName() string {
+	return "user_redirect"
+}
+
+func init() {
+	db.RegisterModel(new(Redirect))
+}
+
+// LookupUserRedirect look up userID if a user has a redirect name
+func LookupUserRedirect(ctx context.Context, userName string) (int64, error) {
+	userName = strings.ToLower(userName)
+	redirect := &Redirect{LowerName: userName}
+	if has, err := db.GetEngine(ctx).Get(redirect); err != nil {
+		return 0, err
+	} else if !has {
+		return 0, ErrUserRedirectNotExist{Name: userName}
+	}
+	return redirect.RedirectUserID, nil
+}
+
+// NewUserRedirect create a new user redirect
+func NewUserRedirect(ctx context.Context, ID int64, oldUserName, newUserName string) error {
+	oldUserName = strings.ToLower(oldUserName)
+	newUserName = strings.ToLower(newUserName)
+
+	if err := DeleteUserRedirect(ctx, oldUserName); err != nil {
+		return err
+	}
+
+	if err := DeleteUserRedirect(ctx, newUserName); err != nil {
+		return err
+	}
+
+	return db.Insert(ctx, &Redirect{
+		LowerName:      oldUserName,
+		RedirectUserID: ID,
+	})
+}
+
+// DeleteUserRedirect delete any redirect from the specified user name to
+// anything else
+func DeleteUserRedirect(ctx context.Context, userName string) error {
+	userName = strings.ToLower(userName)
+	_, err := db.GetEngine(ctx).Delete(&Redirect{LowerName: userName})
+	return err
+}
-- 
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