feature: Add i18n support. Fixes #57 (#635)

* feature(web): Add basic scaffolding for i18n

* refactor: Switch most of the app's strings to use i18n strings

* fix: Remove unused i18next-resources-for-ts command

* Add user setting

* More translations

* Drop the german translation for now

1 files changed, 20 insertions, 1 deletions

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",
+  });
+}