From 174c97e1ae3c9a6ca28d319c53fa419ac21e16d9 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Fri, 19 Sep 2025 14:34:45 +0200
Subject: [PATCH] Settings Folders: Save state only from main screen (#6218)

---
 src/components/left/settings/folders/SettingsFolders.tsx   | 7 +++----
 .../left/settings/folders/SettingsFoldersEdit.tsx          | 3 ++-
 src/config.ts                                              | 1 +
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/components/left/settings/folders/SettingsFolders.tsx b/src/components/left/settings/folders/SettingsFolders.tsx
index dd1d562c9..87b57620a 100644
--- a/src/components/left/settings/folders/SettingsFolders.tsx
+++ b/src/components/left/settings/folders/SettingsFolders.tsx
@@ -71,7 +71,7 @@ const SettingsFolders: FC<OwnProps> = ({
   const isCreating = state.mode === 'create';
 
   const saveState = useCallback((newState: FoldersState) => {
-    const { title } = newState.folder;
+    const { title: { text: title } } = newState.folder;
 
     if (!title) {
       dispatch({ type: 'setError', payload: ERROR_NO_TITLE });
@@ -108,10 +108,9 @@ const SettingsFolders: FC<OwnProps> = ({
   }, [saveState, state]);
 
   const handleSaveFilter = useCallback(() => {
-    const newState = dispatch({ type: 'saveFilters' });
+    dispatch({ type: 'saveFilters' });
     handleReset();
-    saveState(newState);
-  }, [dispatch, handleReset, saveState]);
+  }, [dispatch, handleReset]);
 
   const handleCreateFolder = useCallback(() => {
     dispatch({ type: 'reset' });
diff --git a/src/components/left/settings/folders/SettingsFoldersEdit.tsx b/src/components/left/settings/folders/SettingsFoldersEdit.tsx
index cbdcf981c..ef9e9fdb5 100644
--- a/src/components/left/settings/folders/SettingsFoldersEdit.tsx
+++ b/src/components/left/settings/folders/SettingsFoldersEdit.tsx
@@ -11,7 +11,7 @@ import type {
   FoldersState,
 } from '../../../../hooks/reducers/useFoldersReducer';
 
-import { STICKER_SIZE_FOLDER_SETTINGS } from '../../../../config';
+import { FOLDER_TITLE_MAX_LENGTH, STICKER_SIZE_FOLDER_SETTINGS } from '../../../../config';
 import { selectCanShareFolder, selectIsCurrentUserPremium } from '../../../../global/selectors';
 import { selectCurrentLimit } from '../../../../global/selectors/limits';
 import buildClassName from '../../../../util/buildClassName';
@@ -309,6 +309,7 @@ const SettingsFoldersEdit: FC<OwnProps & StateProps> = ({
             className="mb-0"
             label={lang('FilterNameHint')}
             value={state.folder.title.text}
+            maxLength={FOLDER_TITLE_MAX_LENGTH}
             onChange={handleChange}
             error={state.error && state.error === ERROR_NO_TITLE ? ERROR_NO_TITLE : undefined}
           />
diff --git a/src/config.ts b/src/config.ts
index 1dabb1117..2575595b2 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -339,6 +339,7 @@ export const DEFAULT_GIF_SEARCH_BOT_USERNAME = 'gif';
 export const ALL_FOLDER_ID = 0;
 export const ARCHIVED_FOLDER_ID = 1;
 export const SAVED_FOLDER_ID = -1;
+export const FOLDER_TITLE_MAX_LENGTH = 12;
 export const DELETED_COMMENTS_CHANNEL_ID = '-1000000000777';
 export const MAX_MEDIA_FILES_FOR_ALBUM = 10;
 export const MAX_ACTIVE_PINNED_CHATS = 5;