HealthVR - Health Information Website with Chatbot Source Code

A comprehensive web application that provides health information services integrated with multiple AI-powered chatbots to assist users in finding relevant health resources and guidance.

🏥 Overview

HealthVR is a Laravel-based health information platform that combines reliable health content delivery with multiple AI chatbot integrations. Users can browse health information, get personalized recommendations, and interact with various AI-powered assistants including OpenAI GPT, DeepSeek, and Hugging Face models for health-related queries.

🏥 The main goal is to create a reliable, accessible, and user-friendly healthcare platform in Mongolian. The platform will include

1. Public discussion forum
2. Chatbot interaction interface
3. Personal health record keeping 4 AI-powered health advice
4. VR content display
5. Event calendar
6. Hospital and pharmacy map display
7. Health test system

✨ Features

• Multi-AI Chatbot Integration: Support for OpenAI GPT-4, DeepSeek Reasoner, and Hugging Face models
• Comprehensive Health Database: Extensive collection of health information and resources
• User-Friendly Interface: Modern, responsive design built with Tailwind CSS
• Advanced Search Functionality: AI-powered search capabilities for health topics
• User Management: Authentication and user profile management
• Content Management: Admin panel for managing health content
• Email Notifications: Integrated email system for user communications
• Mobile Responsive: Optimized for all device types
• VR Ready: Built with VR compatibility in mind (HealthVR)

🛠️ Technology Stack

• Backend: Laravel (PHP Framework)
• Frontend: Blade Templates with Tailwind CSS
• Database: MySQL/PostgreSQL (configurable)
• Build Tools: Vite for asset compilation
• Package Management: Composer (PHP) & NPM (JavaScript)
• Testing: PHPUnit for backend testing

📋 Prerequisites

Before you begin, ensure you have the following installed:

• PHP >= 8.1
• Composer
• Node.js >= 16.x
• NPM or Yarn
• MySQL or PostgreSQL
• Git

🚀 Installation

1. Clone the Repository

git clone <your-repository-url>
cd healthinfo

2. Install PHP Dependencies

composer install

3. Install Node.js Dependencies

npm install

4. Environment Setup

# Copy the example environment file
cp .env.example .env

# Generate application key
php artisan key:generate

5. Database Configuration

Create a MySQL database and edit your .env file with your database credentials:

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=healthinfo
DB_USERNAME=root
DB_PASSWORD=

6. AI Services Setup

Configure your AI service API keys in the .env file:

# OpenAI Configuration
OPENAI_API_KEY=your_openai_api_key_here
OPENAI_MODEL=gpt-4.1-mini

# DeepSeek Configuration  
DEEPSEEK_API_KEY=your_deepseek_api_key_here
DEEPSEEK_MODEL=deepseek-reasoner

# Hugging Face Configuration
HUGGINGFACE_API_TOKEN=your_huggingface_token_here

7. Run Database Migrations

php artisan migrate

7. Seed Database (Optional)

php artisan db:seed

9. Build Assets

npm run build
# or for development
npm run dev

🏃‍♂️ Running the Application

Development Server

# Start Laravel development server
php artisan serve

# In another terminal, start Vite dev server for hot reloading
npm run dev

The application will be available at http://127.0.0.1:8000

Production Deployment

# Build production assets
npm run build

# Optimize Laravel for production
php artisan config:cache
php artisan route:cache
php artisan view:cache

📁 Project Structure

healthinfo/
├── app/                    # Laravel application logic
│   ├── Http/Controllers/   # HTTP controllers
│   ├── Models/            # Eloquent models
│   └── Services/          # Business logic services
├── bootstrap/             # Laravel bootstrap files
├── config/               # Configuration files
├── database/             # Database migrations and seeders
│   ├── migrations/       # Database migrations
│   └── seeders/         # Database seeders
├── public/              # Public web assets
├── resources/           # Views, CSS, JS, and language files
│   ├── css/            # Stylesheets
│   ├── js/             # JavaScript files
│   └── views/          # Blade templates
├── routes/             # Route definitions
├── storage/            # Generated files, logs, cache
├── tests/              # Automated tests
└── vendor/             # Composer dependencies

🤖 AI Chatbot Implementation

Multiple AI Integrations

The HealthVR system integrates with multiple AI services:

1. OpenAI Integration

   • Model: GPT-4.1-mini
   • Used for: Complex health consultations and detailed explanations
   • Endpoint: OpenAI API

2. DeepSeek Integration

   • Model: DeepSeek Reasoner
   • Used for: Medical reasoning and diagnostic assistance
   • Endpoint: https://api.deepseek.com/v1/chat/completions

3. Hugging Face Integration

   • Various models available
   • Used for: Specialized health NLP tasks
   • Custom model fine-tuning capabilities

Architecture

The chatbot system is implemented using:

• Multi-AI Service Integration: Seamless switching between different AI providers
• Knowledge Base: Structured health information database
• Response Engine: Laravel-based logic for generating appropriate responses
• Real-time Communication: WebSocket or AJAX-based chat interface
• Health API: Dedicated health information API endpoint

Key Components

1. AI Chat Controller (app/Http/Controllers/ChatController.php)

   • Handles multiple AI service requests
   • Routes queries to appropriate AI provider (OpenAI, DeepSeek, Hugging Face)
   • Manages conversation history and context

2. Health Knowledge Service (app/Services/HealthKnowledgeService.php)

   • Processes health-related queries from diseases database
   • Retrieves relevant information from topics and categories
   • Formats responses for different AI models

3. VR Content Service (app/Services/VRContentService.php)

   • Manages Sketchfab integration for 3D medical content
   • Handles VR content suggestions and approvals
   • Provides VR-ready health visualizations

4. Device Integration Service (app/Services/DeviceIntegrationService.php)

   • Connects with fitness and health tracking devices
   • Processes health data from connected devices
   • Generates AI recommendations based on device data

5. Frontend Chat Interface (resources/js/chat.js)

   • Multi-AI provider chat UI
   • Real-time message handling and display
   • VR content integration in chat responses

Configuration

Configure chatbot and AI services in your .env file:

# Application Settings
APP_NAME=HealthVR
APP_URL=http://127.0.0.1:8000

# Database Configuration
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=healthinfo
DB_USERNAME=root
DB_PASSWORD=

# AI Services Configuration
OPENAI_API_KEY=your_openai_api_key
OPENAI_MODEL=gpt-4.1-mini

DEEPSEEK_API_KEY=your_deepseek_api_key
DEEPSEEK_MODEL=deepseek-reasoner
DEEPSEEK_API_ENDPOINT=https://api.deepseek.com/v1/chat/completions

HUGGINGFACE_API_TOKEN=your_huggingface_token

# Health API Endpoint
HEALTH_API_URL=http://127.0.0.1:8000/health

# Email Configuration (for notifications)
MAIL_MAILER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_ENCRYPTION=tls
MAIL_FROM_ADDRESS=your_email@gmail.com
MAIL_FROM_NAME="HealthInfo System"

# Session and Cache
SESSION_DRIVER=database
CACHE_STORE=database
QUEUE_CONNECTION=database

🗄️ Database Schema

Core Tables

User Management

• users - User authentication and basic information
• user_profiles - Extended user profiles with health data (birth_date, gender, height, weight, medical_history, etc.)
• connected_devices - Integration with health devices (Fitbit, Apple Health, Google Fit)

Health & Medical Content

• diseases - Disease information database with symptoms and treatments
• categories - Content categorization system with icons
• topics - Health discussion topics and articles
• replies - Comments and responses to topics
• tags - Content tagging system
• tag_topic - Many-to-many relationship between tags and topics

VR & Interactive Content

• vr_contents - VR content with Sketchfab integration
• vr_content_suggestions - User-submitted VR content suggestions

Professional Network

• professionals - Healthcare professional profiles
• doctor_infos - Detailed doctor information and credentials

Events & Community

• events - Health events and activities with location, registration, and categorization
• likes - User engagement tracking (polymorphic relations)

AI & Recommendations

• ai_recommendations - AI-generated health insights and recommendations

Key Relationships

1. User → User Profile: One-to-one relationship for extended user data
2. User → Connected Devices: One-to-many for health device integrations
3. User → Professional: Healthcare professionals linked to user accounts
4. Professional → Doctor Info: Detailed professional information
5. Topics → Replies: Forum-style discussion system
6. Events → Categories: Categorized health events
7. VR Content → Categories: Organized VR health content

Special Features

• Multilingual Support: UTF8MB4 collation for international content
• Soft Deletes: Safe deletion of events and content
• Polymorphic Relations: Flexible like system for topics and replies
• Health Device Integration: Support for multiple fitness/health APIs
• VR Integration: Sketchfab UID storage for 3D medical content

🧪 Testing

Run the test suite:

# Run all tests
php artisan test

# Run specific test suite
php artisan test --testsuite=Feature

# Run with coverage
php artisan test --coverage

📊 Performance Optimization

• Caching: Laravel cache for frequently accessed data
• Database Indexing: Optimized database queries
• Asset Optimization: Minified CSS/JS for production
• Image Optimization: Compressed images for faster loading

🔒 Security Features

• CSRF Protection
• Input Validation and Sanitization
• Authentication and Authorization
• SQL Injection Prevention
• XSS Protection

🤝 Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

📝 License

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

🆘 Support

If you encounter any issues or have questions:

1. Check the Issues page
2. Create a new issue with detailed information
3. Contact the development team

🙏 Acknowledgments

• Laravel Framework team
• Tailwind CSS team
• Health information content providers
• Open source community contributors

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Note: This application is for informational purposes only and should not replace professional medical advice. Always consult with healthcare professionals for medical concerns.