Orders and Notifications Management System

A sophisticated e-commerce system implementing various design patterns for flexible order management and dynamic notification handling.

🚀 Features

• Product Management & Inventory
• User Account Management
• Simple & Compound Order Processing
• Dynamic Notification System
• Shipment Management
• Order Cancellation
• Real-time Statistics

🏗️ Architecture & Design Patterns

1. Repository Pattern

Used for data persistence and domain object management.

Implementation Components:

• CustomersRepo: Customer data management
• ProductsRepo: Product inventory management
• NotificationQueueService: Notification queue handling

2. Factory Pattern

Implements flexible order creation system.

Implementation Components:

• OrderFactory: Creates different order types dynamically

3. Decorator Pattern

Enables dynamic notification strategy customization.

Implementation Components:

• INotifier: Base notification interface
• BaseNotification: Abstract decorator class
• EmailDecorator: Email notification implementation
• SMSDecorator: SMS notification implementation

🚀 Getting Started

Prerequisites

• Java JDK 11 or higher
• Maven
• Spring Boot
• Git

Installation

# Clone the repository
git clone [repository-url]

# Navigate to project directory
cd [project-name]

# Build the project
mvn clean install

# Run the application
mvn spring-boot:run

📚 Documentation

For detailed API documentation including all endpoints, request/response formats, and usage examples, please refer to our API Documentation.

The API documentation covers:

• Authentication endpoints
• Order management operations
• Notification system
• Product management
• Statistics and monitoring
• Error handling

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.