Initial commit - Stand 26.04.2026

This commit is contained in:
OpenClaw
2026-04-26 07:51:39 +02:00
commit b29c467187
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/**
* Finanz Flow Mobile - Rechnungs-Scanner App
* PWA mit Kamera-Zugriff und OCR-Integration
*/
// API Konfiguration
let API_URL = localStorage.getItem('apiUrl') || 'http://192.168.0.141/api';
// DOM Elemente
const video = document.getElementById('video');
const canvas = document.getElementById('canvas');
const preview = document.getElementById('preview');
const captureBtn = document.getElementById('capture-btn');
const retakeBtn = document.getElementById('retake-btn');
const scannerCard = document.getElementById('scanner-card');
const ocrCard = document.getElementById('ocr-card');
const loading = document.getElementById('loading');
const successMessage = document.getElementById('success-message');
// Aktueller OCR-Daten
let currentOcrData = null;
let currentImageBlob = null;
// Service Worker Registration
if ('serviceWorker' in navigator) {
navigator.serviceWorker.register('/sw.js')
.then(reg => console.log('SW registered:', reg))
.catch(err => console.log('SW registration failed:', err));
}
// Initialisierung
document.addEventListener('DOMContentLoaded', () => {
document.getElementById('api-url').value = API_URL;
loadRecentDocuments();
initCamera();
});
// API Config speichern
function saveApiConfig() {
API_URL = document.getElementById('api-url').value.trim();
localStorage.setItem('apiUrl', API_URL);
alert('✅ API-URL gespeichert: ' + API_URL);
}
// Kamera initialisieren
async function initCamera() {
try {
const constraints = {
video: {
facingMode: 'environment', // Rückkamera bevorzugen
width: { ideal: 1920 },
height: { ideal: 1080 }
},
audio: false
};
const stream = await navigator.mediaDevices.getUserMedia(constraints);
video.srcObject = stream;
} catch (err) {
console.error('Kamera-Zugriff fehlgeschlagen:', err);
// Fallback: Nur Datei-Upload zeigen
document.getElementById('camera-container').style.display = 'none';
captureBtn.style.display = 'none';
alert('⚠️ Kamera nicht verfügbar. Bitte Datei-Upload nutzen.');
}
}
// Foto aufnehmen
function capturePhoto() {
const ctx = canvas.getContext('2d');
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
ctx.drawImage(video, 0, 0);
// Canvas zu Blob konvertieren
canvas.toBlob((blob) => {
currentImageBlob = blob;
const url = URL.createObjectURL(blob);
preview.src = url;
preview.classList.remove('hidden');
video.parentElement.classList.add('hidden');
captureBtn.classList.add('hidden');
retakeBtn.classList.remove('hidden');
// OCR starten
performOCR(blob);
}, 'image/jpeg', 0.9);
}
// Neu aufnehmen
function retakePhoto() {
preview.classList.add('hidden');
preview.src = '';
video.parentElement.classList.remove('hidden');
captureBtn.classList.remove('hidden');
retakeBtn.classList.add('hidden');
ocrCard.classList.add('hidden');
currentOcrData = null;
currentImageBlob = null;
}
// Datei-Upload verarbeiten
function handleFileSelect(event) {
const file = event.target.files[0];
if (!file) return;
if (file.type === 'application/pdf') {
// PDF-Verarbeitung
currentImageBlob = file;
uploadDocument(file, 'application/pdf');
} else {
// Bild-Verarbeitung
currentImageBlob = file;
const url = URL.createObjectURL(file);
preview.src = url;
preview.classList.remove('hidden');
video.parentElement.classList.add('hidden');
captureBtn.classList.add('hidden');
retakeBtn.classList.remove('hidden');
performOCR(file);
}
}
// OCR durchführen (simuliert - Backend würde echtes OCR machen)
async function performOCR(imageBlob) {
loading.classList.add('active');
try {
// Im echten Betrieb: Bild zum Backend senden für OCR
// Simulierte OCR-Ergebnisse für Demo
await new Promise(resolve => setTimeout(resolve, 1500));
// Demo-Daten (würde vom Backend kommen)
currentOcrData = {
haendler: 'ASUSTeK Computer Inc.',
datum: new Date().toISOString().split('T')[0],
brutto: '2799.00',
mwst: '446.90',
netto: '2352.10',
mwst_satz: '19',
belegnummer: 'RE-2026-' + Math.floor(Math.random() * 10000)
};
// OCR-Ergebnisse anzeigen
document.getElementById('ocr-händler').textContent = currentOcrData.haendler;
document.getElementById('ocr-datum').textContent = currentOcrData.datum;
document.getElementById('ocr-brutto').textContent = formatCurrency(currentOcrData.brutto);
document.getElementById('ocr-mwst').textContent = formatCurrency(currentOcrData.mwst);
document.getElementById('ocr-netto').textContent = formatCurrency(currentOcrData.netto);
// Kategorie vorschlagen basierend auf OCR
suggestCategory(currentOcrData);
ocrCard.classList.remove('hidden');
} catch (err) {
console.error('OCR Fehler:', err);
alert('❌ OCR fehlgeschlagen: ' + err.message);
} finally {
loading.classList.remove('active');
}
}
// Kategorie vorschlagen
function suggestCategory(ocrData) {
const kategorieSelect = document.getElementById('kategorie');
const haendler = ocrData.haendler.toLowerCase();
// Einfache Heuristik
if (haendler.includes('asus') || haendler.includes('computer') || haendler.includes('hardware')) {
kategorieSelect.value = 'hardware';
} else if (haendler.includes('amazon') || haendler.includes('büro')) {
kategorieSelect.value = 'büro';
} else if (haendler.includes('werkzeug') || haendler.includes('bau')) {
kategorieSelect.value = 'werkzeug';
}
}
// Dokument speichern
async function saveDocument() {
if (!currentOcrData || !currentImageBlob) {
alert('⚠️ Bitte erst ein Bild aufnehmen');
return;
}
const kategorie = document.getElementById('kategorie').value;
if (!kategorie) {
alert('⚠️ Bitte Kategorie wählen');
return;
}
const notiz = document.getElementById('notiz').value;
const formData = new FormData();
formData.append('file', currentImageBlob, 'rechnung.jpg');
formData.append('kategorie', kategorie);
formData.append('betrag', currentOcrData.brutto);
formData.append('datum', currentOcrData.datum);
formData.append('haendler', currentOcrData.haendler);
formData.append('mwst', currentOcrData.mwst);
formData.append('notiz', notiz);
try {
const response = await fetch(`${API_URL}/documents`, {
method: 'POST',
body: formData
});
if (!response.ok) {
throw new Error('HTTP ' + response.status);
}
const result = await response.json();
console.log('Gespeichert:', result);
// Erfolg anzeigen
successMessage.classList.add('active');
setTimeout(() => successMessage.classList.remove('active'), 3000);
// Reset
retakePhoto();
document.getElementById('kategorie').value = '';
document.getElementById('notiz').value = '';
// Liste aktualisieren
loadRecentDocuments();
} catch (err) {
console.error('Speichern fehlgeschlagen:', err);
// Demo-Modus: Lokal speichern
saveLocally();
}
}
// Lokales Speichern (Demo-Modus)
function saveLocally() {
const documents = JSON.parse(localStorage.getItem('documents') || '[]');
documents.unshift({
id: Date.now(),
...currentOcrData,
kategorie: document.getElementById('kategorie').value,
notiz: document.getElementById('notiz').value,
timestamp: new Date().toISOString()
});
localStorage.setItem('documents', JSON.stringify(documents.slice(0, 50)));
successMessage.classList.add('active');
setTimeout(() => successMessage.classList.remove('active'), 3000);
retakePhoto();
document.getElementById('kategorie').value = '';
document.getElementById('notiz').value = '';
loadRecentDocuments();
}
// Letzte Dokumente laden
async function loadRecentDocuments() {
// Versuche vom Backend zu laden
try {
const response = await fetch(`${API_URL}/documents?limit=5`);
if (response.ok) {
const documents = await response.json();
renderDocuments(documents);
return;
}
} catch (err) {
console.log('Backend nicht erreichbar, nutze lokale Daten');
}
// Fallback: Lokale Daten
const documents = JSON.parse(localStorage.getItem('documents') || '[]');
renderDocuments(documents.slice(0, 5));
}
// Dokumente rendern
function renderDocuments(documents) {
const container = document.getElementById('recent-list');
if (documents.length === 0) {
container.innerHTML = '<p style="text-align: center; color: #999; padding: 20px;">Noch keine Dokumente</p>';
return;
}
const html = documents.map(doc => `
<div style="padding: 12px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center;">
<div>
<div style="font-weight: 500; color: #333;">${doc.haendler || 'Unbekannt'}</div>
<div style="font-size: 0.85rem; color: #666;">${doc.datum}${getKategorieLabel(doc.kategorie)}</div>
</div>
<div style="font-weight: 600; color: #667eea;">${formatCurrency(doc.brutto || doc.betrag)}</div>
</div>
`).join('');
container.innerHTML = html;
}
// Kategorie-Label
function getKategorieLabel(value) {
const labels = {
hardware: 'Hardware',
büro: 'Büro',
fahrzeug: 'Fahrzeug',
werkzeug: 'Werkzeug',
software: 'Software',
dienstleistung: 'Dienstleistung',
material: 'Material',
sonstiges: 'Sonstiges'
};
return labels[value] || value;
}
// Währung formatieren
function formatCurrency(value) {
const num = parseFloat(value);
if (isNaN(num)) return '-';
return num.toLocaleString('de-DE', { style: 'currency', currency: 'EUR' });
}
// Tab-Navigation
function showTab(tab) {
document.querySelectorAll('.nav-item').forEach(el => el.classList.remove('active'));
event.currentTarget.classList.add('active');
// Hier könnte man zwischen verschiedenen Views wechseln
if (tab === 'scan') {
document.getElementById('scanner-card').classList.remove('hidden');
document.getElementById('ocr-card').classList.add('hidden');
}
}
// Touch-Gesten für schnelles Scannen
document.addEventListener('touchstart', handleTouchStart, false);
document.addEventListener('touchend', handleTouchEnd, false);
let touchStartY = 0;
function handleTouchStart(e) {
touchStartY = e.touches[0].clientY;
}
function handleTouchEnd(e) {
const touchEndY = e.changedTouches[0].clientY;
const diff = touchStartY - touchEndY;
// Nach unten wischen = Neuladen
if (diff < -100) {
loadRecentDocuments();
}
}
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="theme-color" content="#667eea">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<title>Finanz Flow Mobile</title>
<link rel="manifest" href="/manifest.json">
<link rel="apple-touch-icon" href="/icon-192.png">
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
-webkit-tap-highlight-color: transparent;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #f5f5f5;
min-height: 100vh;
padding-bottom: 80px;
}
.header {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 20px;
text-align: center;
position: sticky;
top: 0;
z-index: 100;
}
.header h1 {
font-size: 1.3rem;
font-weight: 600;
}
.header p {
font-size: 0.85rem;
opacity: 0.9;
margin-top: 5px;
}
.container {
padding: 15px;
max-width: 500px;
margin: 0 auto;
}
.card {
background: white;
border-radius: 16px;
padding: 20px;
margin-bottom: 15px;
box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.card-title {
font-size: 1.1rem;
font-weight: 600;
color: #333;
margin-bottom: 15px;
display: flex;
align-items: center;
gap: 10px;
}
.btn {
display: flex;
align-items: center;
justify-content: center;
gap: 10px;
width: 100%;
padding: 16px;
border: none;
border-radius: 12px;
font-size: 1rem;
font-weight: 600;
cursor: pointer;
transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.btn-secondary {
background: #f0f0f0;
color: #333;
}
.btn:active {
transform: scale(0.98);
}
.camera-container {
position: relative;
width: 100%;
aspect-ratio: 4/3;
background: #000;
border-radius: 12px;
overflow: hidden;
margin-bottom: 15px;
}
#video {
width: 100%;
height: 100%;
object-fit: cover;
}
#canvas {
display: none;
}
.preview-image {
width: 100%;
border-radius: 12px;
margin-bottom: 15px;
}
.form-group {
margin-bottom: 15px;
}
.form-label {
display: block;
font-size: 0.9rem;
font-weight: 500;
color: #555;
margin-bottom: 8px;
}
.form-input, .form-select {
width: 100%;
padding: 12px;
border: 2px solid #e0e0e0;
border-radius: 10px;
font-size: 1rem;
font-family: inherit;
}
.form-input:focus, .form-select:focus {
outline: none;
border-color: #667eea;
}
.amount-input {
font-size: 1.5rem;
font-weight: 600;
text-align: center;
}
.ocr-result {
background: #f8f9fa;
border-radius: 10px;
padding: 15px;
margin-bottom: 15px;
}
.ocr-row {
display: flex;
justify-content: space-between;
padding: 8px 0;
border-bottom: 1px solid #e0e0e0;
}
.ocr-row:last-child {
border-bottom: none;
}
.ocr-label {
color: #666;
font-size: 0.9rem;
}
.ocr-value {
font-weight: 500;
color: #333;
}
.bottom-nav {
position: fixed;
bottom: 0;
left: 0;
right: 0;
background: white;
border-top: 1px solid #e0e0e0;
display: flex;
justify-content: space-around;
padding: 10px 0;
z-index: 100;
}
.nav-item {
display: flex;
flex-direction: column;
align-items: center;
gap: 4px;
padding: 5px 15px;
color: #999;
text-decoration: none;
font-size: 0.75rem;
}
.nav-item.active {
color: #667eea;
}
.nav-icon {
font-size: 1.5rem;
}
.loading {
display: none;
text-align: center;
padding: 20px;
}
.loading.active {
display: block;
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid #e0e0e0;
border-top-color: #667eea;
border-radius: 50%;
animation: spin 1s linear infinite;
margin: 0 auto 10px;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.success-message {
display: none;
background: #d4edda;
color: #155724;
padding: 15px;
border-radius: 10px;
text-align: center;
margin-bottom: 15px;
}
.success-message.active {
display: block;
}
.hidden {
display: none !important;
}
.api-config {
background: #fff3cd;
border: 1px solid #ffeaa7;
border-radius: 10px;
padding: 15px;
margin-bottom: 15px;
}
.api-config input {
width: 100%;
padding: 10px;
border: 1px solid #ddd;
border-radius: 8px;
margin-top: 5px;
}
</style>
</head>
<body>
<div class="header">
<h1>📱 Finanz Flow Mobile</h1>
<p>Rechnungen scannen & verbuchen</p>
</div>
<div class="container">
<!-- API Config -->
<div class="card api-config" id="api-config">
<div class="card-title">⚙️ API Einstellungen</div>
<div class="form-group">
<label class="form-label">Backend URL</label>
<input type="text" id="api-url" placeholder="https://buchhaltung.deine-domain.de/api" value="http://192.168.0.141/api">
</div>
<button class="btn btn-secondary" onclick="saveApiConfig()">
💾 Speichern
</button>
</div>
<!-- Scanner -->
<div class="card" id="scanner-card">
<div class="card-title">📷 Rechnung scannen</div>
<div class="camera-container" id="camera-container">
<video id="video" autoplay playsinline></video>
<canvas id="canvas"></canvas>
</div>
<div class="loading" id="loading">
<div class="spinner"></div>
<p>Analysiere Rechnung...</p>
</div>
<img id="preview" class="preview-image hidden">
<button class="btn btn-primary" id="capture-btn" onclick="capturePhoto()">
📸 Foto aufnehmen
</button>
<button class="btn btn-secondary hidden" id="retake-btn" onclick="retakePhoto()">
🔄 Neu aufnehmen
</button>
<input type="file" id="file-input" accept="image/*,application/pdf" class="hidden" onchange="handleFileSelect(event)">
<button class="btn btn-secondary" onclick="document.getElementById('file-input').click()" style="margin-top: 10px;">
📁 Aus Dateien wählen
</button>
</div>
<!-- OCR Results -->
<div class="card hidden" id="ocr-card">
<div class="card-title">📋 Erkannte Daten</div>
<div class="ocr-result" id="ocr-result">
<div class="ocr-row">
<span class="ocr-label">Händler:</span>
<span class="ocr-value" id="ocr-händler">-</span>
</div>
<div class="ocr-row">
<span class="ocr-label">Datum:</span>
<span class="ocr-value" id="ocr-datum">-</span>
</div>
<div class="ocr-row">
<span class="ocr-label">Betrag brutto:</span>
<span class="ocr-value" id="ocr-brutto">-</span>
</div>
<div class="ocr-row">
<span class="ocr-label">MwSt (19%):</span>
<span class="ocr-value" id="ocr-mwst">-</span>
</div>
<div class="ocr-row">
<span class="ocr-label">Betrag netto:</span>
<span class="ocr-value" id="ocr-netto">-</span>
</div>
</div>
<div class="form-group">
<label class="form-label">Kategorie</label>
<select class="form-select" id="kategorie">
<option value="">Bitte wählen...</option>
<option value="hardware">💻 Hardware / IT</option>
<option value="büro">🖨️ Büroausstattung</option>
<option value="fahrzeug">🚗 Fahrzeugkosten</option>
<option value="werkzeug">🔧 Werkzeug</option>
<option value="software">💿 Software / Lizenzen</option>
<option value="dienstleistung">🛠️ Dienstleistungen</option>
<option value="material">📦 Material</option>
<option value="sonstiges">📋 Sonstiges</option>
</select>
</div>
<div class="form-group">
<label class="form-label">Notiz (optional)</label>
<input type="text" class="form-input" id="notiz" placeholder="z.B. ASUS ROG Strix Halo X2 für KI-Entwicklung">
</div>
<button class="btn btn-primary" onclick="saveDocument()">
💾 In Buchhaltung speichern
</button>
</div>
<!-- Success -->
<div class="success-message" id="success-message">
✅ Rechnung erfolgreich verbucht!
</div>
<!-- Recent Documents -->
<div class="card" id="recent-card">
<div class="card-title">📑 Letzte Dokumente</div>
<div id="recent-list">
<p style="text-align: center; color: #999; padding: 20px;">Noch keine Dokumente</p>
</div>
</div>
</div>
<!-- Bottom Navigation -->
<nav class="bottom-nav">
<a href="#" class="nav-item active" onclick="showTab('scan')">
<span class="nav-icon">📷</span>
<span>Scannen</span>
</a>
<a href="#" class="nav-item" onclick="showTab('list')">
<span class="nav-icon">📋</span>
<span>Dokumente</span>
</a>
<a href="#" class="nav-item" onclick="showTab('stats')">
<span class="nav-icon">📊</span>
<span>Übersicht</span>
</a>
</nav>
<script src="/app.js"></script>
</body>
</html>
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{
"name": "Finanz Flow Mobile",
"short_name": "FinanzFlow",
"description": "Rechnungen scannen und verbuchen",
"start_url": "/",
"display": "standalone",
"background_color": "#667eea",
"theme_color": "#667eea",
"orientation": "portrait",
"icons": [
{
"src": "/icon-192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "any maskable"
},
{
"src": "/icon-512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "any maskable"
}
],
"categories": ["business", "finance"],
"lang": "de"
}
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/**
* Service Worker für Finanz Flow Mobile PWA
*/
const CACHE_NAME = 'finanz-flow-v1';
const urlsToCache = [
'/',
'/index.html',
'/app.js',
'/manifest.json',
'/icon-192.png',
'/icon-512.png'
];
// Install event - Cache wichtige Dateien
self.addEventListener('install', event => {
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache => {
console.log('Cache geöffnet');
return cache.addAll(urlsToCache);
})
);
self.skipWaiting();
});
// Activate event - Alte Caches löschen
self.addEventListener('activate', event => {
event.waitUntil(
caches.keys().then(cacheNames => {
return Promise.all(
cacheNames.map(cacheName => {
if (cacheName !== CACHE_NAME) {
console.log('Alter Cache löschen:', cacheName);
return caches.delete(cacheName);
}
})
);
})
);
self.clients.claim();
});
// Fetch event - Cache-first Strategie
self.addEventListener('fetch', event => {
event.respondWith(
caches.match(event.request)
.then(response => {
// Cache hit - return response
if (response) {
return response;
}
return fetch(event.request);
})
);
});