From 9f6f0f5d60c3574dbf967c8adf7b56b211a8ba25 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Wed, 23 Oct 2024 19:56:06 +0300
Subject: [PATCH] server: Update locale when switching language from settings

---
 src/routes/api/options.ts | 6 ++++++
 src/services/i18n.ts      | 6 +++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/routes/api/options.ts b/src/routes/api/options.ts
index 8f4f661ff..1cd245763 100644
--- a/src/routes/api/options.ts
+++ b/src/routes/api/options.ts
@@ -5,6 +5,7 @@ import log from "../../services/log.js";
 import searchService from "../../services/search/services/search.js";
 import ValidationError from "../../errors/validation_error.js";
 import { Request } from 'express';
+import { changeLanguage } from "../../services/i18n.js";
 
 // options allowed to be updated directly in the Options dialog
 const ALLOWED_OPTIONS = new Set([
@@ -108,6 +109,11 @@ function update(name: string, value: string) {
 
     optionService.setOption(name, value);
 
+    if (name === "locale") {
+        // This runs asynchronously, so it's not perfect, but it does the trick for now.
+        changeLanguage(value);
+    }
+
     return true;
 }
 
diff --git a/src/services/i18n.ts b/src/services/i18n.ts
index 3498045bd..84a707b89 100644
--- a/src/services/i18n.ts
+++ b/src/services/i18n.ts
@@ -41,4 +41,8 @@ function getCurrentLanguage() {
   }
 
   return language;
-}
\ No newline at end of file
+}
+
+export function changeLanguage(locale: string) {
+  return i18next.changeLanguage(locale);
+}