About INVOICER (AI)
Version 0.7.2 - Production-Ready SaaS Invoice Management
Project Overview
AI Powered Accountant is a comprehensive SaaS system designed for small businesses and freelancers who need professional invoice management with multi-currency support. The application automates invoice creation, payment tracking, and reporting while maintaining the highest security standards and user experience.
Built with modern PHP architecture and extensively tested (399+ tests), the system is ready for production deployment and serves as a foundation for future AI-powered accounting automation.
Current Status
Phase 1 - MVP Core ✅ COMPLETED
- ✅ Complete multi-currency invoicing system
- ✅ Professional PDF generation with QR codes
- ✅ Advanced recurring invoice scheduling
- ✅ Comprehensive contact management
- ✅ Email queue system with smart delivery
- ✅ Payment tracking and bank import
- ✅ VAT compliance and audit logging
- ✅ Security audit with A+ rating
🚀 Ready for Beta Deployment
Tech Stack
- Backend: PHP 8.1+ / MySQL 8.0+
- Frontend: Custom HTML helpers / Responsive CSS
- Architecture: Custom MVC framework
- PDF Generation: TCPDF with custom templates
- Email: PHPMailer with queue system
- Testing: PHPUnit (399+ tests)
- Analysis: PHPStan Level 8
- Future: AI integration via n8n workflows
Key Features
🌍 Multi-Currency Support
- EUR, USD, CZK with exchange rates
- Dual currency display and storage
- Automatic conversion for accounting
- Customer-facing foreign currency PDFs
📄 Professional Invoicing
- TCPDF-based invoice generation
- QR code payments (Czech SPAYD)
- VAT compliance with conditional display
- Proforma and standard invoice types
🔄 Automation Features
- Recurring invoices with advanced scheduling
- Email queue with business hours delivery
- Bank statement import (ISODoc)
- Automated payment matching
🔒 Security & Quality
- A+ security audit rating
- CSRF/XSS protection
- Role-based access control
- Complete audit logging
Target Users
Freelancers
Professional invoicing with multi-currency support for international clients
Small Businesses
Complete accounting solution with VAT compliance and automated workflows
Czech Entities
ARES integration, Czech tax compliance, and local banking support
Development Roadmap
Phase 1: Core MVP ✅ COMPLETED
- ✅ Complete invoicing system
- ✅ Multi-currency support
- ✅ Professional PDF generation
- ✅ Email automation
- ✅ Payment tracking
- ✅ Security & testing complete
Phase 2: Beta Deployment (Q4 2025)
- 🚀 Limited beta with selected customers
- 📊 Performance monitoring setup
- 🛠️ User feedback integration
- 🔧 Production optimizations
Phase 3: AI Integration (2026)
- 🤖 Document OCR and processing
- 🧠 AI-powered payment matching
- 📈 Predictive cash flow analytics
- 🔗 n8n workflow automation
Development Philosophy
KISS Principle
Keep It Simple, Stupid - Straightforward solutions over complex ones
YAGNI Approach
You Aren't Gonna Need It - Implement only when actually needed
Performance First
Target <0.1s page loads with efficient database queries
Security Focus
A+ security rating with comprehensive protection