📧 Simple Invoicing

A Spring Boot invoicing application with role-based access control.

🎯 Final project for the Spring Advanced - June 2020 course.

This educational project demonstrates user management, company handling, and automated scheduling features.

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🏗️ Technology Stack

⚙️ Backend

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🎨 Frontend

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🗄️ Database

• Primary database (development)
• Production database support
• In-memory database (testing)

📚 Additional Libraries

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🛠️ Development & Testing

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✨ Features

🔐 Roles & Users

• 3 role types: ADMIN, ROUTE, USER
• The first user gets full admin rights
• New users need admin approval
• Role-based access control

🏢 Companies

• Name, address, and unique identifier
• The first company becomes an invoice issuer
• All others are contractors

📦 Items

• Name, price, image, and VAT value
• Cloudinary image upload with fallback
• Session-based storage system

🧾 Invoices

• Auto-generated numbers and tracking
• Payment types: cash or bank transfer
• Status workflow: AWAIT → COMPLETE
• Users see only their own invoices (non-admin)

📊 Automation

• Request logging with interceptors
• Scheduled log cleanup (every 5 minutes)
• Automatic invoice status updates

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🚀 Quick Start

1. Clone the repository

   git clone https://github.com/mark79-github/Simple-Invoicing.git

2. Configure either MySQL or PostgreSQL database connection

3. Configure Cloudinary credentials

4. Run the application

   mvn spring-boot:run

5. Access at http://localhost:8080

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Made with ❤️ and lots of ☕