🚚 Parcel Delivery System API

A comprehensive, enterprise-grade backend API for managing parcel delivery operations with advanced route optimization, real-time tracking, and analytics dashboard.

🏗️ Project Architecture

Modular Architecture with MVC Pattern

src/
├── app/
│   ├── config/           # Environment configuration
│   ├── middlewares/      # Authentication & error handling
│   ├── modules/          # Feature-based modules
│   │   ├── auth/         # Authentication & user management
│   │   ├── parcel/       # Parcel management system
│   │   ├── vehicle/      # Fleet management system
│   │   ├── route/        # Route optimization & planning
│   │   └── analytics/    # Analytics & reporting dashboard
│   ├── types/            # TypeScript type definitions
│   └── utils/            # Utility functions & algorithms
├── app.ts                # Express application setup
└── server.ts             # Server entry point

🚀 Getting Started

Prerequisites

• Node.js (v16 or higher)
• MongoDB (v4.4 or higher)
• npm or yarn

Installation

1. Clone the repository:

   git clone <repository-url>
   cd parcel-delivery-system

2. Install dependencies:

   npm install

3. Environment setup:

   cp env.example .env

4. Configure environment variables:

   # .env file
   NODE_ENV=development
   PORT=5000
   MONGODB_URI=mongodb://localhost:27017/parcel-delivery-system
   JWT_SECRET=your-super-secret-jwt-key
   JWT_EXPIRES_IN=7d

5. Start the development server:

   npm run dev

6. Build for production:

   npm run build
   npm start

📋 Complete API Documentation

🔐 Authentication Endpoints

📦 Parcel Management Endpoints

🚛 Vehicle Management Endpoints

🗺️ Route Optimization Endpoints

📊 Analytics Dashboard Endpoints

🔐 User Roles & Permissions

👑 Admin

• Full system access
• User management
• Vehicle management
• Route optimization
• Analytics dashboard
• Parcel assignment
• System configuration

👤 Customer

• Create parcels
• Track deliveries
• View own parcels
• Update profile
• View available vehicles

🚚 DeliveryMan

• View assigned parcels
• Update parcel status
• Update vehicle location
• View delivery statistics
• Access route information

🛠️ Technology Stack

Backend Technologies

• Node.js - Runtime environment
• Express.js - Web framework
• TypeScript - Type-safe development
• MongoDB - NoSQL database
• Mongoose - ODM for MongoDB

Authentication & Security

• JWT - JSON Web Tokens
• Bcrypt - Password hashing
• CORS - Cross-origin resource sharing
• Helmet - Security headers

Validation & Error Handling

• Zod - Schema validation
• Custom error middleware - Centralized error handling
• HTTP status codes - Proper status responses

Advanced Features

• Route Optimization Algorithms - Nearest Neighbor, Genetic Algorithms
• Distance Calculation - Haversine formula
• Real-time Tracking - Live location updates
• Analytics Dashboard - Comprehensive reporting
• Performance Metrics - Delivery efficiency tracking

🚀 Advanced Features

🗺️ Route Optimization

• Multi-vehicle routing
• Time window constraints
• Capacity optimization
• Priority-based routing
• Real-time rerouting
• Cost minimization

📊 Analytics & Reporting

• Delivery efficiency metrics
• Fleet utilization statistics
• Driver performance tracking
• Revenue analytics
• Route optimization reports
• Real-time dashboard

🚛 Fleet Management

• Vehicle registration
• Driver assignment
• Location tracking
• Capacity management
• Maintenance scheduling
• Fuel consumption tracking

📦 Parcel Management

• Automated tracking numbers
• Status workflow management
• Delivery time estimation
• Special handling instructions
• Insurance and value tracking
• Customer notifications

🔧 Development Scripts

# Development
npm run dev          # Start development server with hot reload
npm run build        # Build TypeScript to JavaScript
npm start           # Start production server
npm run lint        # Run ESLint
npm run test        # Run tests

# Database
npm run db:seed     # Seed database with sample data
npm run db:reset    # Reset database

📁 Module Structure

Each module follows the MVC pattern with:

module/
├── module.controller.ts    # HTTP request handlers
├── module.service.ts       # Business logic
├── module.model.ts         # Database schema
├── module.interface.ts     # TypeScript interfaces
├── module.validation.ts    # Input validation
└── routes.ts              # Route definitions

🌟 Key Features

• ✅ Modular Architecture - Feature-based organization
• ✅ Type Safety - Full TypeScript implementation
• ✅ Role-based Access Control - Secure API endpoints
• ✅ Advanced Route Optimization - Industry-grade algorithms
• ✅ Real-time Tracking - Live delivery monitoring
• ✅ Analytics Dashboard - Comprehensive reporting
• ✅ Fleet Management - Complete vehicle management
• ✅ Performance Metrics - Delivery efficiency tracking
• ✅ Scalable Design - Enterprise-ready architecture
• ✅ Comprehensive Validation - Input sanitization
• ✅ Error Handling - Centralized error management
• ✅ Security - JWT authentication & authorization

📈 Performance & Scalability

• Database Indexing - Optimized queries
• Connection Pooling - Efficient database connections
• Caching Strategy - Redis integration ready
• Load Balancing - Horizontal scaling support
• API Rate Limiting - Request throttling
• Monitoring - Performance metrics

🔒 Security Features

• JWT Authentication - Secure token-based auth
• Password Hashing - Bcrypt encryption
• Input Validation - Zod schema validation
• SQL Injection Prevention - Mongoose ODM
• CORS Configuration - Cross-origin security
• Environment Variables - Secure configuration

📝 API Response Format

{
  "success": true,
  "message": "Operation completed successfully",
  "data": {
    // Response data
  }
}

🚨 Error Response Format

{
  "success": false,
  "message": "Error description",
  "errors": [
    {
      "field": "fieldName",
      "message": "Error message",
      "code": "error_code"
    }
  ]
}

📞 Support

For support and questions:

• Documentation: Check API endpoints above
• Issues: Create GitHub issue
• Email: [Your Email]

📄 License

This project is licensed under the MIT License.

🚀 Ready for Production Deployment!

This is a complete, enterprise-grade parcel delivery system with all modern features and best practices implemented.