E-commerce Backend (Spring Boot)

This project is an evolving e-commerce backend system built with Spring Boot. Below is an overview of the current and planned features.

Current Features

• User Management
• Product Management
• Shopping Cart
• Category Management (flattened table structure)
• Image Handling (small and large product images)
• SKU Management
• Discount System

Planned Features and Enhancements

User-related

• Verification system (boolean flag: isVerified)
• Verification code
• User types (Enum)
• Role-based permissions (Spring Security)
• Internal user ID (e.g., ktm123)
• Mobile number
• User status (Enum: active, inactive, blocked)
• Gender (male, female, other)
• Date of Birth
• Language preferences

Notification System

• Types: promotion, orders, alerts, chat

Address Management

• Many-to-one relationship with User
• Fields: city, country, state
• Full name, label (office, home)
• Default delivery address flag
• Contact number, name
• Address line 1 and 2

Wishlist

• One-to-one relationship with User
• List of Products

Product Enhancements

• Color options
• Size options (as an entity)
• Free shipping flag
• Add to wishlist functionality
• Delivery options (Enum: standard, express)
• Seller information
• Q&A section
• Review section
• Specifications (brand, SKU, seller-manipulated)
• Special discounts
• Reviews with like/dislike functionality

Category System

• Three-level hierarchy

Order and Delivery

• Delivery types (standard, express)
• Payment modes (COD, ESEWA)

Color Management

• One-to-many composition
• Name (Enum)

Additional Entities

• Q&A (priority feature)
• Specifications (including warranty information)

Initial Class Diagram

Note: This diagram represents the initial design. Significant changes have been made since then.

Contributing

We welcome contributions to this project. Please feel free to submit issues and pull requests.

License

This project is licensed under the GNU Affero General Public License v3.0 (AGPLv3).

You are free to use, modify, and distribute this software, provided that:

1. You disclose the source code of any derivative works.
2. You license any derivative works under the same AGPLv3 license.
3. If you run a modified version of this software as a network service, you must make the complete source code of the modified version available to the users of that service.

For more details, visit https://www.gnu.org/licenses/agpl-3.0.en.html.