Feat: Routen offline aufzeichnen — LocalStorage-Queue, Cache-Fallback, Auto-Sync (SW by-v987)

backend/main.py

@@ -410,7 +410,7 @@ async def serve_media(path: str, request: _Request):
         raise _HE(404, "Nicht gefunden.")
     return _media_response(filepath)
 
-APP_VER = "986"  # muss mit APP_VER in app.js übereinstimmen
+APP_VER = "987"  # muss mit APP_VER in app.js übereinstimmen
 
 @app.get("/.well-known/assetlinks.json")
 async def assetlinks():

backend/static/js/app.js

@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '986'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '987'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.6.0'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 // Cache-Bust-Parameter nach Update-Reload sofort entfernen

backend/static/js/pages/routes.js

@@ -5,6 +5,40 @@
 
 window.Page_routes = (() => {
 
+  const _CACHE_KEY   = 'by_routes_cache';
+  const _PENDING_KEY = 'by_routes_pending';
+
+  function _getPending() {
+    try { return JSON.parse(localStorage.getItem(_PENDING_KEY) || '[]'); } catch { return []; }
+  }
+  function _setPending(list) {
+    try { localStorage.setItem(_PENDING_KEY, JSON.stringify(list)); } catch {}
+  }
+  function _addPending(data) {
+    const list = _getPending();
+    const entry = { ...data, id: `pending_${Date.now()}`, _isPending: true,
+                    created_at: new Date().toISOString(), user_id: null };
+    list.push(entry);
+    _setPending(list);
+    return entry;
+  }
+  async function _syncPending() {
+    if (!navigator.onLine) return;
+    const list = _getPending();
+    if (!list.length) return;
+    let ok = 0;
+    for (const r of [...list]) {
+      try {
+        const { id: _pid, _isPending, ...payload } = r;
+        await API.routes.create(payload);
+        _setPending(_getPending().filter(x => x.id !== r.id));
+        ok++;
+      } catch {}
+    }
+    if (ok > 0) { UI.toast.success(`${ok} Route(n) synchronisiert.`); _loadData(); }
+  }
+  window.addEventListener('online', _syncPending);
+
   let _container = null;
   let _appState  = null;
   let _data      = [];
@@ -1011,7 +1045,7 @@ window.Page_routes = (() => {
       const btn = document.querySelector('[form="rk-rms-form"][type="submit"]');
       const fd  = UI.formData(e.target);
       await UI.asyncButton(btn, async () => {
-        const saved = await API.routes.create({
+        const payload = {
           name:               fd.name?.trim(),
           beschreibung:       fd.beschreibung || null,
           gps_track:          track,
@@ -1024,7 +1058,15 @@ window.Page_routes = (() => {
           is_public:          'is_public'       in fd,
           hunde_tauglichkeit: fd.hunde_tauglichkeit || 'sehr_gut',
           client_time:        API.clientNow(),
-        });
+        };
+        if (!navigator.onLine) {
+          _addPending(payload);
+          UI.modal.close();
+          UI.toast.success(`Route offline gespeichert — wird synchronisiert sobald Verbindung besteht.`);
+          _loadData();
+          return;
+        }
+        const saved = await API.routes.create(payload);
         UI.modal.close();
         UI.toast.success(`Route „${saved.name}" gespeichert!`);
         _loadData();
@@ -1209,20 +1251,36 @@ window.Page_routes = (() => {
   // Daten
   // ----------------------------------------------------------
   async function _loadData() {
+    const _merge = (online) => {
+      const pending = _getPending();
+      if (pending.length) _data = [...pending, ..._data];
+      if (_appState.user && _browseMode === 'mine')
+        document.getElementById('rk-mine-group')?.style.setProperty('display', '');
+      if (_browseMode === 'discover' && _userPos)
+        document.getElementById('rk-nearby-group')?.style.setProperty('display', '');
+      if (!online && pending.length)
+        UI.toast.info('Offline — ' + pending.length + ' Route(n) warten auf Sync.');
+      _applyFilter();
+    };
     try {
       _data = await API.routes.list();
-      // "Meine Routen"-Filter nur zeigen wenn eingeloggt und im Mine-Modus
+      try { localStorage.setItem(_CACHE_KEY, JSON.stringify({ ts: Date.now(), data: _data })); } catch {}
-      if (_appState.user && _browseMode === 'mine') {
+      _merge(true);
-        document.getElementById('rk-mine-group')?.style.setProperty('display', '');
+    } catch {
-      }
+      try {
-      // Standort-abhängiger Filter im Entdecken-Modus
+        const raw = localStorage.getItem(_CACHE_KEY);
-      if (_browseMode === 'discover' && _userPos) {
+        if (raw) {
-        document.getElementById('rk-nearby-group')?.style.setProperty('display', '');
+          _data = JSON.parse(raw).data || [];
-      }
+          UI.toast.info('Offline — zeige zuletzt geladene Routen.');
-      _applyFilter();
+          _merge(false);
-    } catch (err) {
+          return;
+        }
+      } catch {}
+      // Nur Pending-Routen zeigen wenn gar kein Cache
+      _data = _getPending();
+      if (_data.length) { _merge(false); return; }
       document.getElementById('rk-grid').innerHTML =
-        `<p style="color:var(--c-danger);padding:var(--space-6)">Fehler: ${UI.escape(err.message)}</p>`;
+        `<p style="color:var(--c-danger);padding:var(--space-6)">Offline — noch keine Routen gecacht.</p>`;
     }
   }
 
@@ -1369,10 +1427,13 @@ window.Page_routes = (() => {
       : '';
 
     return `
-      <div class="rk-card" data-id="${r.id}">
+      <div class="rk-card" data-id="${r.id}" ${r._isPending ? 'data-pending="1"' : ''}>
         <div class="rk-card-preview">${previewContent}</div>
         <div class="rk-card-body">
           ${authorLine}
+          ${r._isPending ? `<div style="font-size:10px;font-weight:700;color:var(--c-warning,#d97706);
+            margin-bottom:3px;display:flex;align-items:center;gap:4px">
+            ${UI.icon('cloud-arrow-up')} Sync ausstehend</div>` : ''}
           <div class="rk-card-name">${UI.escape(r.name)}</div>
           <div style="display:flex;flex-wrap:wrap;gap:5px;margin:var(--space-2) 0">
             ${dist ? _pill(dist, 'rgba(107,114,128,0.10)','#9ca3af','rgba(107,114,128,0.30)') : ''}

backend/static/sw.js

@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v986';
+const CACHE_VERSION = 'by-v987';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache
@@ -138,6 +138,7 @@ const _CACHEABLE_GET = [
   /^\/api\/training\/plan-progress/,
   /^\/api\/wiki\/rassen/,
   /^\/api\/dogs\/\d+\/diary\/stats/,
+  /^\/api\/routes$/,
   // Drei Welten — offline-fähig
   /^\/api\/streak\/\d+/,
   /^\/api\/forum\/threads/,