From 3a9a34560033676da210408a834ccb2819ae528b Mon Sep 17 00:00:00 2001
From: KernelDeimos <7225168+KernelDeimos@users.noreply.github.com>
Date: Wed, 11 Feb 2026 18:41:27 -0500
Subject: [PATCH] tweak: make monthly username changes configurable

The monthly number of username changes was hardcoded as `2`. Being able
to configure this value makes it easier to test the username change
flow. Hosters of OSS Puter may also find this configuration beneficial.
---
 src/backend/src/routers/change_username.js                | 4 ++--
 src/backend/src/routers/user-protected/change-username.js | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/backend/src/routers/change_username.js b/src/backend/src/routers/change_username.js
index e11f52779..5955d0950 100644
--- a/src/backend/src/routers/change_username.js
+++ b/src/backend/src/routers/change_username.js
@@ -78,9 +78,9 @@ module.exports = eggspress('/change_username', {
                 mysql: '`created_at` > DATE_SUB(NOW(), INTERVAL 1 MONTH)',
                 sqlite: "`created_at` > datetime('now', '-1 month')",
             })}`,
-    [ req.user.id, 'change_username' ]);
+    [req.user.id, 'change_username']);
 
-    if ( rows[0].count >= 2 ) {
+    if ( rows[0].count >= (config.max_username_changes ?? 2) ) {
         throw APIError.create('too_many_username_changes');
     }
 
diff --git a/src/backend/src/routers/user-protected/change-username.js b/src/backend/src/routers/user-protected/change-username.js
index 6b22eb83c..822b39ba4 100644
--- a/src/backend/src/routers/user-protected/change-username.js
+++ b/src/backend/src/routers/user-protected/change-username.js
@@ -57,16 +57,16 @@ module.exports = {
                     mysql: '`created_at` > DATE_SUB(NOW(), INTERVAL 1 MONTH)',
                     sqlite: "`created_at` > datetime('now', '-1 month')",
                 })}`,
-        [ user.id, 'change_username' ]);
+        [user.id, 'change_username']);
 
-        if ( rows[0].count >= 2 ) {
+        if ( rows[0].count >= (config.max_username_changes ?? 2) ) {
             throw APIError.create('too_many_username_changes');
         }
 
         await db.write('INSERT INTO `user_update_audit` ' +
             '(`user_id`, `user_id_keep`, `old_username`, `new_username`, `reason`) ' +
             'VALUES (?, ?, ?, ?, ?)',
-        [ user.id, user.id, user.username, new_username, 'change_username' ]);
+        [user.id, user.id, user.username, new_username, 'change_username']);
 
         await change_username(user.id, new_username);