🛍️ Spring Boot E-Commerce Core API

Features • Installation • API Reference • Documentation • Contributing

A modern, scalable e-commerce backend API built with Spring Boot, featuring comprehensive order management, customer tracking, and inventory control.

📊 System Architecture

graph TD
    A[Client Applications] -->|REST API| B[API Gateway]
    B --> C[Spring Boot Application]
    C --> D[Service Layer]
    D --> E[Repository Layer]
    E --> F[(MySQL Database)]
    
    style A fill:#f9a825,stroke:#f57f17,stroke-width:2px
    style B fill:#29b6f6,stroke:#0288d1,stroke-width:2px
    style C fill:#66bb6a,stroke:#43a047,stroke-width:2px
    style D fill:#7e57c2,stroke:#5e35b1,stroke-width:2px
    style E fill:#ec407a,stroke:#d81b60,stroke-width:2px
    style F fill:#5c6bc0,stroke:#3949ab,stroke-width:2px

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📈 Performance Metrics

pie title API Response Time Distribution
    "< 100ms" : 45
    "100-300ms" : 30
    "300-500ms" : 15
    "> 500ms" : 10

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✨ Features

Feature	Description	Status
👥 Customer Management	Profile tracking & preferences	✅
📦 Inventory Control	Real-time stock management	✅
🛒 Order Processing	Complete order lifecycle	✅
🔐 Security	JWT Authentication & Authorization	✅
📊 Analytics	Sales & inventory insights	🚧
💳 Payment Gateway	Secure payment processing	🚧

[Previous content remains the same until Tech Stack section]

🛠️ Tech Stack

graph LR
    A[Java 17] --> B[Spring Boot 3.x]
    B --> C[Spring Data JPA]
    B --> D[Spring Security]
    C --> E[Hibernate]
    E --> F[MySQL]
    B --> G[Maven]

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[Previous installation & setup content remains the same]

📊 API Performance

gantt
    title API Response Times
    dateFormat  X
    axisFormat %s
    
    section Customer API
    GET All    :0, 150ms
    POST New   :0, 200ms
    UPDATE     :0, 180ms
    
    section Order API
    Create Order :0, 300ms
    Get Status  :0, 100ms
    
    section Inventory API
    Stock Check :0, 120ms
    Update      :0, 250ms

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🔄 Business Flow

sequenceDiagram
    participant C as Client
    participant A as API
    participant S as Service
    participant D as Database
    
    C->>A: Place Order
    A->>S: Process Order
    S->>D: Check Inventory
    D-->>S: Inventory Status
    S->>D: Update Stock
    D-->>S: Confirmation
    S-->>A: Order Status
    A-->>C: Order Confirmation

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[Previous API Endpoints content remains the same]

📈 System Monitoring

graph LR
    A[API Gateway] -->|Metrics| B[Prometheus]
    B -->|Visualization| C[Grafana]
    A -->|Logs| D[ELK Stack]
    A -->|Traces| E[Jaeger]

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🌟 Feature Roadmap

timeline
    title Development Roadmap
    2024 Q1 : Basic E-commerce Features
            : Customer Management
            : Order Processing
    2024 Q2 : Advanced Features
            : Payment Integration
            : Analytics Dashboard
    2024 Q3 : Performance Optimization
            : Caching Implementation
            : Load Balancing
    2024 Q4 : Scale & Security
            : Microservices Migration
            : Enhanced Security

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[Previous content remains the same until Authors section]

👥 Authors

📊 Project Statistics

---

Made with ❤️ by Chamath Dilshan

⭐ Star this repository if you find it helpful!

✨ Features

• Customer Management: Track and manage customer profiles and preferences
• Inventory Control: Real-time stock management and updates
• Order Processing: Complete order lifecycle management with transaction support
• RESTful API: Modern API design following REST principles
• Security: Robust authentication and authorization (customizable)
• Database: JPA/Hibernate with transaction management
• Documentation: Swagger/OpenAPI integration

🚀 Tech Stack

• Java 17
• Spring Boot 3.x
• Spring Data JPA
• MySQL Database
• Maven
• Hibernate

📋 Prerequisites

• JDK 17 or later
• Maven 3.6+
• MySQL 8.0+
• Your favorite IDE (IntelliJ IDEA recommended)

🛠️ Installation & Setup

1. Clone the repository

   git clone https://github.com/yourusername/spring-boot-ecommerce.git
   cd spring-boot-ecommerce

2. Configure MySQL

   # Update application.properties
   spring.datasource.url=jdbc:mysql://localhost:3306/ecommerce_db
   spring.datasource.username=your_username
   spring.datasource.password=your_password

3. Build the project

   mvn clean install

4. Run the application

   mvn spring-boot:run

🌐 API Endpoints

Customer Management

GET    /api/v1/customer     - Get all customers
POST   /api/v1/customer     - Create new customer
PUT    /api/v1/customer     - Update customer
DELETE /api/v1/customer/{id} - Delete customer

Inventory Management

GET    /api/v1/item        - Get all items
POST   /api/v1/item        - Add new item
PUT    /api/v1/item        - Update item
DELETE /api/v1/item/{code} - Delete item

Order Management

POST   /api/v1/order/save  - Create new order

📦 Sample Request Objects

Create Order

{
  "orderId": "ORD001",
  "orderDate": "2024-02-15T14:30:00",
  "customerId": "C001",
  "orderDetails": [
    {
      "itemCode": "ITM001",
      "quantity": 2,
      "unitPrice": 1500.00
    }
  ],
  "total": 3000.00
}

🛡️ Security Configuration

Basic configuration is included but should be customized for production:

@Configuration
@EnableWebSecurity
public class SecurityConfig {
    // Add your security configuration here
}

📊 Database Schema

Core Tables

• customer - Customer information
• item - Product inventory
• orders - Order headers
• order_detail - Order line items

🔧 Project Structure

src/
├── main/
│   ├── java/
│   │   └── lk.ijse.spring_boot/
│   │       ├── controller/
│   │       ├── dto/
│   │       ├── entity/
│   │       ├── repo/
│   │       ├── service/
│   │       └── Application.java
│   └── resources/
│       └── application.properties
└── test/
    └── java/

⚙️ Configuration

Key application properties:

# Server Configuration
server.port=8080
server.servlet.context-path=/api

# Database Configuration
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true

# Swagger/OpenAPI
springdoc.api-docs.path=/api-docs

🧪 Testing

Run tests using Maven:

mvn test

📈 Future Improvements

• Add payment gateway integration
• Implement caching
• Add event-driven architecture
• Implement rate limiting
• Add metrics and monitoring
• Containerize with Docker

🤝 Contributing

1. Fork the project
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Open a Pull Request

📝 License

This project is licensed under the MIT License - see the LICENSE.md file for details.

👥 Authors

• Chamath Dilshan - Initial work - My Github ❤️

🙏 Acknowledgments

• Spring Boot team for the amazing framework
• The open-source community

📧 Contact

• Email: dilshancolonne123@gmail.com.com
• LinkedIn: My Linkedin ❤️