E-Commerce Backend Documentation

This directory contains comprehensive documentation for the E-commerce Backend project, including High-Level Design (HLD) and Low-Level Design (LLD) specifications for all major features.

Documentation Structure

docs/
├── hld/                    # High-Level Design Documents
│   ├── 01-shopping-cart.md
│   ├── 02-payment.md
│   ├── 03-order.md
│   ├── 04-reviews.md
│   ├── 05-categories.md
│   ├── 06-wishlist.md
│   ├── 07-promotions.md
│   ├── 08-api-docs.md
│   └── 09-admin.md
│
└── lld/                    # Low-Level Design Documents
    ├── 01-shopping-cart/
    ├── 02-payment/
    ├── 03-order/
    ├── 04-reviews/
    ├── 05-categories/
    ├── 06-wishlist/
    ├── 07-promotions/
    ├── 08-api-docs/
    └── 09-admin/

Features Covered

1. Shopping Cart Functionality
2. Payment Gateway Integration
3. Enhanced Order Management
4. Product Reviews and Ratings
5. Product Categories and Search
6. Wishlist Feature
7. Promotions and Discounts
8. API Documentation
9. Admin Dashboard

Documentation Format

Each feature's documentation is split into HLD and LLD:

High-Level Design (HLD)

• System Architecture
• Component Interactions
• Data Flow
• Technology Stack
• Integration Points
• Security Considerations

Low-Level Design (LLD)

• Detailed Class Diagrams
• Sequence Diagrams
• Database Schema
• API Specifications
• Data Models
• Implementation Details

Contributing

When adding new features or making changes:

1. Create corresponding HLD/LLD documentation
2. Update existing documentation if changes affect multiple components
3. Include relevant diagrams (using Mermaid)
4. Keep documentation in sync with code changes