295 lines
7.1 KiB
Markdown
295 lines
7.1 KiB
Markdown
# Invoice System Implementation Summary
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## Übersicht / Overview
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Dieses Dokument fasst die komplette Invoice-System-Implementierung für Bay Area Affiliates zusammen.
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This document summarizes the complete Invoice System implementation for Bay Area Affiliates.
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---
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## Was wurde implementiert / What Was Implemented
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### 1. Datenbank / Database ✅
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- **Neue Tabellen:** `invoices`, `invoice_items`
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- **Neue Indizes:** Für Performance-Optimierung
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- **Migration Script:** `add_invoices.sql`
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- **Rückwärtskompatibel:** Keine Änderungen an bestehenden Quotes
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### 2. Backend (server.js) ✅
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- **Invoice CRUD Operationen:**
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- GET /api/invoices - Liste aller Invoices
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- GET /api/invoices/:id - Invoice Details
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- POST /api/invoices - Neue Invoice erstellen
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- PUT /api/invoices/:id - Invoice bearbeiten
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- DELETE /api/invoices/:id - Invoice löschen
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- **PDF Generierung:**
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- GET /api/invoices/:id/pdf - Invoice PDF
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- "Bill To:" statt "Quote For:"
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- accounting@bayarea-cc.com statt support@
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- Terms-Feld in Header-Tabelle
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- Authorization-Feld (optional)
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- **Quote-zu-Invoice Konvertierung:**
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- POST /api/quotes/:id/convert-to-invoice
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- Validierung: Keine TBD-Items erlaubt
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- Automatische Nummer-Generierung
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- Verknüpfung mit Original-Quote
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### 3. Frontend (app.js) ✅
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- **Invoice Management:**
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- loadInvoices() - Invoices laden
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- renderInvoices() - Invoices anzeigen
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- openInvoiceModal() - Modal für Create/Edit
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- handleInvoiceSubmit() - Formular speichern
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- addInvoiceItem() - Line Items hinzufügen
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- updateInvoiceTotals() - Berechnungen
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- **Conversion Feature:**
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- convertQuoteToInvoice() - Quote konvertieren
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- Fehlerbehandlung für TBD-Items
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### 4. UI (index.html) ✅
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- **Neuer Tab:** "Invoices" in Navigation
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- **Invoice-Liste:** Tabelle mit allen Invoices
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- **Invoice Modal:**
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- Customer Selection
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- Date Picker
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- Terms Input (default: "Net 30")
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- Authorization Input (optional)
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- Tax Exempt Checkbox
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- Items mit Quill Rich Text Editor
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- Totals Berechnung
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- **Quote-Liste Enhancement:**
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- "→ Invoice" Button für Konvertierung
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### 5. Dokumentation ✅
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- **README.md:** Komplette Dokumentation
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- **INSTALLATION.md:** Installations-Anleitung (DE/EN)
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- **CHANGELOG.md:** Änderungsprotokoll
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- **setup.sh:** Automatisches Setup-Script
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### 6. Deployment ✅
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- **Docker Support:**
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- Dockerfile
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- docker-compose.yml
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- .dockerignore
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- **Environment:**
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- .env.example
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- Konfigurierbare Settings
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---
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## Key Unterschiede: Quotes vs Invoices
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| Feature | Quotes | Invoices |
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|---------|--------|----------|
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| **TBD Items** | ✅ Erlaubt | ❌ Nicht erlaubt |
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| **Email** | support@bayarea-cc.com | accounting@bayarea-cc.com |
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| **Label** | "Quote For:" | "Bill To:" |
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| **Terms** | Nein | Ja (z.B. "Net 30") |
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| **Authorization** | Nein | Ja (optional, P.O. etc.) |
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| **Header Info** | Quote #, Account #, Date | Invoice #, Account #, Date, Terms |
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| **Konvertierung** | → zu Invoice | - |
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---
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## Dateistruktur / File Structure
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```
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invoice-system/
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├── server.js # Express Backend mit allen Routes
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├── public/
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│ ├── index.html # UI mit Tabs (Quotes/Invoices/Customers/Settings)
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│ ├── app.js # Frontend JavaScript
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│ └── uploads/ # Logo-Speicher
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├── package.json # Dependencies
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├── init.sql # Initial DB Schema (Customers, Quotes)
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├── add_invoices.sql # Invoice Tables Migration
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├── setup.sh # Auto-Installations-Script
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├── .env.example # Environment Template
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├── docker-compose.yml # Docker Deployment
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├── Dockerfile # Container Image
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├── README.md # Haupt-Dokumentation
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├── INSTALLATION.md # Setup-Anleitung (DE/EN)
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└── CHANGELOG.md # Versions-Historie
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```
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---
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## Installation / Setup
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### Schnellstart / Quick Start
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```bash
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# 1. Dateien entpacken
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cd /installation/directory
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# 2. Setup ausführen
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chmod +x setup.sh
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./setup.sh
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# 3. Server starten
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npm start
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# 4. Browser öffnen
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# http://localhost:3000
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```
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### Docker Deployment
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```bash
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# Build und Start
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docker-compose up -d
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# Logs ansehen
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docker-compose logs -f
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# Stoppen
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docker-compose down
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```
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---
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## Validierungs-Regeln / Validation Rules
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### Quote zu Invoice Konvertierung
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**ERLAUBT / ALLOWED:**
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```javascript
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Quote Item: { qty: "2", rate: "125.00/hr", amount: "250.00" }
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→ Kann konvertiert werden ✅
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```
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**NICHT ERLAUBT / NOT ALLOWED:**
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```javascript
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Quote Item: { qty: "2", rate: "TBD", amount: "TBD" }
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→ Fehler: "Cannot convert quote with TBD items to invoice" ❌
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```
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**Lösung / Solution:**
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1. Quote bearbeiten
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2. TBD durch tatsächliche Werte ersetzen
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3. Quote speichern
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4. Dann konvertieren
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---
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## API Beispiele / API Examples
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### Invoice erstellen / Create Invoice
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```javascript
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POST /api/invoices
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{
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"customer_id": 1,
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"invoice_date": "2026-01-31",
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"terms": "Net 30",
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"authorization": "P.O. #12345",
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"tax_exempt": false,
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"items": [
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{
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"quantity": "2",
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"description": "<p>Email Hosting - Monthly</p>",
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"rate": "25.00",
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"amount": "50.00"
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}
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]
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}
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```
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### Quote zu Invoice / Quote to Invoice
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```javascript
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POST /api/quotes/5/convert-to-invoice
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// Response bei Erfolg:
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{
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"id": 1,
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"invoice_number": "2026-001",
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"customer_id": 1,
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"total": 54.13,
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...
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}
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// Response bei TBD-Items:
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{
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"error": "Cannot convert quote with TBD items to invoice. Please update all TBD items first."
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}
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```
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---
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## Testing Checklist ✅
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- [x] Invoice erstellen
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- [x] Invoice bearbeiten
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- [x] Invoice löschen
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- [x] Invoice PDF generieren
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- [x] Quote ohne TBD zu Invoice konvertieren
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- [x] Quote mit TBD Konvertierung blockieren
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- [x] "Bill To:" Label im PDF
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- [x] accounting@bayarea-cc.com im PDF
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- [x] Terms im PDF Header
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- [x] Authorization im PDF (wenn vorhanden)
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- [x] Tax Berechnungen
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- [x] Tax-Exempt Invoices
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- [x] Customer Dropdown funktioniert
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- [x] Auto-Numbering (2026-001, 2026-002, etc.)
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- [x] Rich Text Editor in Items
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---
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## Nächste Schritte / Next Steps
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### Deployment auf deinem Server
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1. Dateien hochladen
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2. `setup.sh` ausführen
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3. Logo hochladen (Settings Tab)
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4. Ersten Customer erstellen
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5. Test-Quote erstellen
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6. Quote zu Invoice konvertieren
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7. PDFs testen
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### Optional: Docker
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```bash
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docker-compose up -d
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```
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### Backup einrichten
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```bash
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# Cronjob für tägliches Backup
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0 2 * * * pg_dump -U quoteuser quotes_db > /backups/quotes_$(date +\%Y\%m\%d).sql
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```
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---
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## Support & Hilfe
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- **Dokumentation:** README.md
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- **Installation:** INSTALLATION.md
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- **Änderungen:** CHANGELOG.md
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- **Logs:** `journalctl -u quote-system -f` (systemd)
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- **Docker Logs:** `docker-compose logs -f`
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---
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## Zusammenfassung / Summary
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**Vollständiges Invoice-System implementiert mit:**
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- ✅ Separate Invoice-Verwaltung
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- ✅ Quote-zu-Invoice Konvertierung
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- ✅ TBD-Validierung
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- ✅ Professionelle PDFs
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- ✅ Unterschiedliche Email-Adressen
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- ✅ Terms & Authorization Felder
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- ✅ Automatische Nummerierung
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- ✅ Vollständige Dokumentation
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- ✅ Docker Support
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- ✅ Auto-Setup Script
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- ✅ Rückwärtskompatibel
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**Bereit für Produktion!** 🚀
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