From 1dab2f7f4e35e5377f46b23352ff7b9c020df31d Mon Sep 17 00:00:00 2001
From: kritzl <kritzl@kritzl.dev>
Date: Thu, 14 May 2026 18:11:26 +0200
Subject: [PATCH] language switcher, auto refresh auth session

---
 app/src/assets/main.ts           | 20 ++++++++++++++++++--
 app/src/i18n/ui.ts               |  2 ++
 app/src/layouts/Layout.astro     | 24 ++++++++++++++++--------
 app/src/pages/[lang]/index.astro |  2 +-
 4 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/app/src/assets/main.ts b/app/src/assets/main.ts
index 9bab4b4..5f5b5e3 100644
--- a/app/src/assets/main.ts
+++ b/app/src/assets/main.ts
@@ -45,9 +45,19 @@ const loading: {
     auth: false,
 }
 
+const timeouts: Record<string, number | null> = {
+    auth: null,
+}
 
 const doors: Array<DoorType> = []
 
+function triggerAuthTimeout() {
+    const diff = auth.until ? (auth.until.getTime() - new Date().getTime()) : 0
+
+    if (timeouts.auth) clearTimeout(timeouts.auth)
+    timeouts.auth = setTimeout(checkUser, diff)
+}
+
 function loadAuthFromLocalStorage() {
     if (localStorage.getItem("auth")) {
         const localAuth = JSON.parse(localStorage.getItem("auth")!)
@@ -60,7 +70,10 @@ function loadAuthFromLocalStorage() {
 }
 
 async function checkUser() {
-    loading.auth = true
+    if (!auth.authenticated) {
+        loading.auth = true
+    }
+
     const getUserInfo = fetcher.path("/api/user-info/").method("get").create()
 
     try {
@@ -72,6 +85,8 @@ async function checkUser() {
         auth.until = userInfo.guaranteed_session_until ? new Date(userInfo.guaranteed_session_until) : null
         auth.username = userInfo.username ?? ""
         auth.recentLogout = false
+
+        triggerAuthTimeout()
     } catch (e) {
         // check which operation threw the exception
         if (e instanceof getUserInfo.Error) {
@@ -142,6 +157,7 @@ async function fetchDoors() {
                 console.log("unauthorized")
             } else if (error.status >= 500 && error.status < 600) {
                 apiError.current = "serverError"
+                clearInterval(doorsInterval)
             } else {
                 console.error("unknown error:", error)
             }
@@ -262,7 +278,7 @@ function refresh() {
 
 
 loadAuthFromLocalStorage()
-setInterval(fetchDoors, 250) // TODO: replace with SSE
+const doorsInterval = setInterval(fetchDoors, 250) // TODO: replace with SSE
 checkUser()
 
 document.addEventListener("loadeddata", () => {
diff --git a/app/src/i18n/ui.ts b/app/src/i18n/ui.ts
index c6be0f4..b8d9c28 100644
--- a/app/src/i18n/ui.ts
+++ b/app/src/i18n/ui.ts
@@ -32,6 +32,7 @@ export const ui = {
         "serverError.description": `Please try again later.`,
         "networkError.title": "Network error",
         "networkError.description": `Please check your network connection.`,
+        "loadingDoors": 'Loading doors',
     },
     de: {
         "dooris": "TüRIS <span class='text-neutral-content/50 text-xs'>(DOORIS)</span>",
@@ -59,5 +60,6 @@ export const ui = {
         "serverError.description": `Bitte versuche es später erneut.`,
         "networkError.title": "Netzwerkfehler",
         "networkError.description": `Bitte überprüfe deine Internetverbindung.`,
+        "loadingDoors": 'Lade Türen',
     },
 } as const
\ No newline at end of file
diff --git a/app/src/layouts/Layout.astro b/app/src/layouts/Layout.astro
index 35acad7..c2badc1 100644
--- a/app/src/layouts/Layout.astro
+++ b/app/src/layouts/Layout.astro
@@ -1,6 +1,7 @@
 ---
 import {UserRound, LogIn, DoorOpen} from "@lucide/astro"
 import {getLangFromUrl, useTranslations} from "../i18n/utils"
+import {languages} from "../i18n/ui.ts"
 
 const lang = getLangFromUrl(Astro.url)
 const t = useTranslations(lang)
@@ -23,16 +24,23 @@ const t = useTranslations(lang)
 
       <h1 class="text-xl font-semibold flex gap-1 items-center">
         <DoorOpen/>
-        <span set:html={t("dooris")} />
+        <span set:html={t("dooris")}/>
       </h1>
-      <div class="badge badge-soft badge-xl hidden" id="badge-username">
-        <UserRound class="size-5"/>
-        <span id="username"></span>
+      <div class="flex gap-4 items-center">
+        <div>
+            {Object.entries(languages).map(([l, label]) => (
+                <a href={`/${l}`} class=`btn btn-xs ${ l == lang ? 'btn-primary btn-soft' : 'btn-ghost'}`>{label}</a>
+            ))}
+        </div>
+        <div class="badge badge-soft badge-xl hidden" id="badge-username">
+          <UserRound class="size-5"/>
+          <span id="username"></span>
+        </div>
+        <a href={`/auth/login?next=/${lang}`} class="btn btn-soft btn-info" id="button-login">
+          <LogIn/>
+            {t("login")}
+        </a>
       </div>
-      <a href={`/auth/login?next=/${lang}`} class="btn btn-soft btn-info" id="button-login">
-        <LogIn/>
-          {t("login")}
-      </a>
     </div>
 
   </header>
diff --git a/app/src/pages/[lang]/index.astro b/app/src/pages/[lang]/index.astro
index d4af8b5..b4cf578 100644
--- a/app/src/pages/[lang]/index.astro
+++ b/app/src/pages/[lang]/index.astro
@@ -76,7 +76,7 @@ const t = useTranslations(lang)
     <div class="divider w-full my-0" id="alert-divider"></div>
     <div id="loading-doors" class="card w-full bg-info/5 hidden">
       <div class="card-body flex-row gap-4 items-center justify-center">
-        <span class="text-xl">Loading Doors</span>
+        <span class="text-xl">{t('loadingDoors')}</span>
         <span class="loading loading-spinner loading-xl"></span>
       </div>
     </div>