diff --git a/app/main.py b/app/main.py
index dc02445..be594c3 100755
--- a/app/main.py
+++ b/app/main.py
@@ -10,7 +10,7 @@ from typing import List, Optional, Dict, Any
from contextlib import asynccontextmanager
from fastapi import FastAPI, HTTPException, Request, Query, Form, File, UploadFile, WebSocket, WebSocketDisconnect
-from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse
+from fastapi.responses import HTMLResponse, JSONResponse, RedirectResponse, FileResponse
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates
from datetime import datetime, date, timedelta
@@ -70,7 +70,7 @@ APP_USERNAME = os.getenv("APP_USERNAME", "admin")
APP_PASSWORD = os.getenv("APP_PASSWORD", "wtc2026!")
SECRET_KEY = os.getenv("SECRET_KEY", "wtc_cookbook_secret_salt_2026_supersecure")
COOKIE_NAME = "wtc_auth"
-PUBLIC_PATHS = {"/login", "/api/login", "/favicon.ico"}
+PUBLIC_PATHS = {"/login", "/api/login", "/favicon.ico", "/manifest.json", "/sw.js"}
def create_auth_token(username: str, days: int = 30) -> str:
expiry = int(time.time()) + (days * 86400)
@@ -224,6 +224,25 @@ class ShoppingItemCategoryUpdate(BaseModel):
category: str
+# ==========================================
+# PWA MANIFEST & SERVICE WORKER
+# ==========================================
+
+@app.get("/manifest.json")
+def get_manifest():
+ manifest_path = os.path.join(STATIC_DIR, "manifest.json")
+ if os.path.exists(manifest_path):
+ return FileResponse(manifest_path, media_type="application/manifest+json")
+ raise HTTPException(status_code=404, detail="Manifest not found")
+
+@app.get("/sw.js")
+def get_service_worker():
+ sw_path = os.path.join(STATIC_DIR, "sw.js")
+ if os.path.exists(sw_path):
+ return FileResponse(sw_path, media_type="application/javascript", headers={"Service-Worker-Allowed": "/"})
+ raise HTTPException(status_code=404, detail="Service worker not found")
+
+
# ==========================================
# AUTH VIEWS
# ==========================================
diff --git a/app/static/manifest.json b/app/static/manifest.json
index bf9a115..f25c31c 100755
--- a/app/static/manifest.json
+++ b/app/static/manifest.json
@@ -1,21 +1,36 @@
{
- "name": "What To Cook? – Essens-Zufallsgenerator",
- "short_name": "WhatToCook",
- "description": "Zufallsgenerator für Essen mit Kategorien und Aufwandsfilter",
+ "name": "What To Cook? – Kochbuch & Einkaufsliste",
+ "short_name": "What To Cook?",
+ "description": "Familien-Kochbuch, Essensplaner und smarte Einkaufsliste",
"start_url": "/",
"display": "standalone",
- "background_color": "#0f141c",
- "theme_color": "#ff6b35",
+ "orientation": "portrait-primary",
+ "background_color": "#FAF6F0",
+ "theme_color": "#1E4D3B",
"icons": [
{
"src": "/static/icon-192.png",
"sizes": "192x192",
- "type": "image/png"
+ "type": "image/png",
+ "purpose": "any maskable"
},
{
"src": "/static/icon-512.png",
"sizes": "512x512",
- "type": "image/png"
+ "type": "image/png",
+ "purpose": "any maskable"
+ }
+ ],
+ "shortcuts": [
+ {
+ "name": "Einkaufsliste",
+ "url": "/shopping-list",
+ "description": "Direkt zur Einkaufsliste"
+ },
+ {
+ "name": "Kochbuch",
+ "url": "/cookbook",
+ "description": "Direkt zum Kochbuch"
}
]
}
diff --git a/app/static/sw.js b/app/static/sw.js
new file mode 100644
index 0000000..2022210
--- /dev/null
+++ b/app/static/sw.js
@@ -0,0 +1,100 @@
+// What To Cook? - PWA Service Worker (v1.0.0)
+const CACHE_NAME = 'wtc-cache-v1';
+const PRECACHE_URLS = [
+ '/',
+ '/cookbook',
+ '/shopping-list',
+ '/manifest.json',
+ '/static/cookbook.css',
+ '/static/icon-192.png',
+ '/static/icon-512.png'
+];
+
+// Install: Pre-cache shell assets
+self.addEventListener('install', (event) => {
+ event.waitUntil(
+ caches.open(CACHE_NAME).then((cache) => {
+ return cache.addAll(PRECACHE_URLS).catch((err) => {
+ console.warn('[SW] Pre-caching partial failure, continuing:', err);
+ });
+ }).then(() => self.skipWaiting())
+ );
+});
+
+// Activate: Clean up old caches
+self.addEventListener('activate', (event) => {
+ event.waitUntil(
+ caches.keys().then((cacheNames) => {
+ return Promise.all(
+ cacheNames.map((cacheName) => {
+ if (cacheName !== CACHE_NAME) {
+ return caches.delete(cacheName);
+ }
+ })
+ );
+ }).then(() => self.clients.claim())
+ );
+});
+
+// Fetch: Strategy
+self.addEventListener('fetch', (event) => {
+ const req = event.request;
+ const url = new URL(req.url);
+
+ // Skip non-GET and WebSocket/API mutation requests
+ if (req.method !== 'GET') return;
+ if (url.pathname.startsWith('/ws/') || url.pathname.startsWith('/api/')) return;
+
+ // Navigation requests (HTML pages): Network first, fallback to cache
+ if (req.mode === 'navigate') {
+ event.respondWith(
+ fetch(req).then((response) => {
+ if (response && response.status === 200) {
+ const copy = response.clone();
+ caches.open(CACHE_NAME).then((cache) => cache.put(req, copy));
+ }
+ return response;
+ }).catch(async () => {
+ const cached = await caches.match(req);
+ if (cached) return cached;
+ // If exact page not cached, return home or shopping list if available
+ if (url.pathname === '/shopping-list') {
+ const shopCached = await caches.match('/shopping-list');
+ if (shopCached) return shopCached;
+ }
+ const homeCached = await caches.match('/');
+ if (homeCached) return homeCached;
+ return new Response('Offline – keine Verbindung vorhanden.', {
+ status: 503,
+ headers: { 'Content-Type': 'text/plain; charset=utf-8' }
+ });
+ })
+ );
+ return;
+ }
+
+ // Static assets: Cache-first, then network update
+ if (url.pathname.startsWith('/static/') || url.hostname.includes('fonts.googleapis.com') || url.hostname.includes('fonts.gstatic.com')) {
+ event.respondWith(
+ caches.match(req).then((cached) => {
+ if (cached) {
+ // In background, refresh cache
+ fetch(req).then((networkRes) => {
+ if (networkRes && networkRes.status === 200) {
+ caches.open(CACHE_NAME).then((cache) => cache.put(req, networkRes));
+ }
+ }).catch(() => {});
+ return cached;
+ }
+ return fetch(req).then((networkRes) => {
+ if (networkRes && networkRes.status === 200) {
+ const copy = networkRes.clone();
+ caches.open(CACHE_NAME).then((cache) => cache.put(req, copy));
+ }
+ return networkRes;
+ });
+ })
+ );
+ return;
+ }
+});
diff --git a/app/templates/cookbook.html b/app/templates/cookbook.html
index 8bdc684..b92b800 100755
--- a/app/templates/cookbook.html
+++ b/app/templates/cookbook.html
@@ -4,7 +4,13 @@
Mein Kochbuch – What To Cook?
-
+
+
+
+
+
+
+
-
+
-