3 files changed, 28 insertions, 1 deletions
diff --git a/apps/web/lib/userLocalSettings/bookmarksLayout.tsx b/apps/web/lib/userLocalSettings/bookmarksLayout.tsx
index 424046b9..a122c6e7 100644
--- a/apps/web/lib/userLocalSettings/bookmarksLayout.tsx
+++ b/apps/web/lib/userLocalSettings/bookmarksLayout.tsx
@@ -2,6 +2,7 @@
 
 import type { z } from "zod";
 import { createContext, useContext } from "react";
+import { fallbackLng } from "@/lib/i18n/settings";
 
 import type { BookmarksLayoutTypes, zUserLocalSettings } from "./types";
 
@@ -11,6 +12,7 @@ export const UserLocalSettingsCtx = createContext<
   z.infer<typeof zUserLocalSettings>
 >({
   bookmarkGridLayout: defaultLayout,
+  lang: fallbackLng,
 });
 
 function useUserLocalSettings() {
@@ -22,6 +24,11 @@ export function useBookmarkLayout() {
   return settings.bookmarkGridLayout;
 }
 
+export function useInterfaceLang() {
+  const settings = useUserLocalSettings();
+  return settings.lang;
+}
+
 export function bookmarkLayoutSwitch<T>(
   layout: BookmarksLayoutTypes,
   data: Record<BookmarksLayoutTypes, T>,
diff --git a/apps/web/lib/userLocalSettings/types.ts b/apps/web/lib/userLocalSettings/types.ts
index 08e38638..bcd2ff26 100644
--- a/apps/web/lib/userLocalSettings/types.ts
+++ b/apps/web/lib/userLocalSettings/types.ts
@@ -7,6 +7,7 @@ export type BookmarksLayoutTypes = z.infer<typeof zBookmarkGridLayout>;
 
 export const zUserLocalSettings = z.object({
   bookmarkGridLayout: zBookmarkGridLayout.optional().default("masonry"),
+  lang: z.string().optional().default("en"),
 });
 
 export type UserLocalSettings = z.infer<typeof zUserLocalSettings>;
diff --git a/apps/web/lib/userLocalSettings/userLocalSettings.ts b/apps/web/lib/userLocalSettings/userLocalSettings.ts
index 826e6cf0..311ad99f 100644
--- a/apps/web/lib/userLocalSettings/userLocalSettings.ts
+++ b/apps/web/lib/userLocalSettings/userLocalSettings.ts
@@ -2,12 +2,20 @@
 
 import { cookies } from "next/headers";
 
-import type { BookmarksLayoutTypes } from "./types";
+import type { BookmarksLayoutTypes, UserLocalSettings } from "./types";
 import {
+  defaultUserLocalSettings,
   parseUserLocalSettings,
   USER_LOCAL_SETTINGS_COOKIE_NAME,
 } from "./types";
 
+export async function getUserLocalSettings(): Promise<UserLocalSettings> {
+  const userSettings = cookies().get(USER_LOCAL_SETTINGS_COOKIE_NAME);
+  return (
+    parseUserLocalSettings(userSettings?.value) ?? defaultUserLocalSettings()
+  );
+}
+
 export async function updateBookmarksLayout(layout: BookmarksLayoutTypes) {
   const userSettings = cookies().get(USER_LOCAL_SETTINGS_COOKIE_NAME);
   const parsed = parseUserLocalSettings(userSettings?.value);
@@ -18,3 +26,14 @@ export async function updateBookmarksLayout(layout: BookmarksLayoutTypes) {
     sameSite: "lax",
   });
 }
+
+export async function updateInterfaceLang(lang: string) {
+  const userSettings = cookies().get(USER_LOCAL_SETTINGS_COOKIE_NAME);
+  const parsed = parseUserLocalSettings(userSettings?.value);
+  cookies().set({
+    name: USER_LOCAL_SETTINGS_COOKIE_NAME,
+    value: JSON.stringify({ ...parsed, lang }),
+    maxAge: 34560000, // Chrome caps max age to 400 days
+    sameSite: "lax",
+  });
+}