Enhanced Multimedia Database System

A comprehensive multimedia content management system with advanced features for storing, organizing, and sharing various types of digital content.

🚀 New Features in Version 2.0

🔐 Enhanced Security

• JWT Authentication: Secure token-based authentication
• Rate Limiting: Protection against brute force attacks
• Input Validation: Comprehensive data validation
• Helmet Security: Enhanced HTTP headers security
• CORS Protection: Cross-origin resource sharing protection

📊 Real-time Analytics Dashboard

• User Behavior Tracking: Monitor content views, plays, downloads
• Performance Metrics: Track popular content and user engagement
• Admin Dashboard: Comprehensive analytics for administrators
• Session Tracking: Detailed user session analysis

🎵 Playlist Management

• Create Playlists: Organize content into custom playlists
• Public/Private Playlists: Share or keep playlists private
• Drag & Drop: Easy playlist item management
• Playlist Analytics: Track playlist performance

🔔 Real-time Notifications

• Socket.IO Integration: Instant notifications
• Multiple Types: Info, success, warning, error notifications
• Action URLs: Clickable notifications with actions
• Notification Center: Centralized notification management

🔍 Advanced Search

• Multi-content Search: Search across all content types
• Type Filtering: Filter by specific content types
• Real-time Results: Instant search results
• Search Analytics: Track popular search terms

💬 Social Features

• Comments System: User comments on content
• Rating System: 5-star rating system
• Nested Comments: Reply to comments
• Moderation: Admin comment approval system

📱 Enhanced UI/UX

• Modern Design: Bootstrap 5 with custom styling
• Responsive Layout: Mobile-friendly interface
• Dark Mode: Optional dark theme
• Loading States: Smooth loading animations

🎨 Content Management

• Multiple Formats: Support for images, videos, audio, documents
• File Optimization: Automatic image compression
• Metadata Extraction: Automatic content metadata
• Bulk Operations: Mass content management

📋 Supported Content Types

• Books: PDFs, e-books, documents
• Videos: MP4, AVI, MOV, WMV
• Music: MP3, WAV, FLAC
• Paintings: Images, digital art
• Articles: Text content, blogs
• Newspapers: Digital publications
• Games: Game files and metadata

🛠️ Technology Stack

Backend

• Node.js: Runtime environment
• Express.js: Web framework
• Sequelize: ORM for database management
• SQLite: Lightweight database
• Socket.IO: Real-time communication
• JWT: Authentication tokens
• Multer: File upload handling
• Sharp: Image processing
• Nodemailer: Email functionality

Frontend

• Bootstrap 5: UI framework
• Font Awesome: Icons
• Socket.IO Client: Real-time features
• Vanilla JavaScript: No heavy frameworks

Security

• bcrypt: Password hashing
• Helmet: Security headers
• CORS: Cross-origin protection
• Rate Limiting: Request throttling
• Input Validation: Data sanitization

🚀 Installation & Setup

Prerequisites

• Node.js (v14 or higher)
• npm or yarn

Installation Steps

1. Clone the repository

   git clone <repository-url>
   cd multimedia-database-system-main

2. Install dependencies

   npm install

3. Environment Setup

   cp .env.example .env
   # Edit .env with your configuration

4. Database Setup

   npm run db:setup

5. Start the server

   npm start
   # or for development
   npm run dev

6. Access the application

   http://localhost:3000
   

📁 Project Structure

multimedia-database-system-main/
├── models/                 # Database models
│   ├── User.js
│   ├── Book.js
│   ├── Video.js
│   ├── Music.js
│   ├── Painting.js
│   ├── Article.js
│   ├── Newspaper.js
│   ├── Playlist.js
│   ├── PlaylistItem.js
│   ├── Notification.js
│   ├── Analytics.js
│   └── Comment.js
├── public/                 # Frontend files
│   ├── index.html
│   ├── dashboard.html
│   ├── login.html
│   ├── register.html
│   └── assets/
├── uploads/               # File uploads
├── server.js             # Main server file
├── server-enhanced.js    # Enhanced server with new features
├── database.js           # Database configuration
└── package.json

🔧 API Endpoints

Authentication

• POST /register - User registration
• POST /api/login - User login
• POST /api/forgot-password/* - Password recovery

Content Management

• GET /api/search - Advanced search
• POST /api/content/:type - Upload content
• GET /api/content/:type/:id - Get content details
• PUT /api/content/:type/:id - Update content
• DELETE /api/content/:type/:id - Delete content

Playlists

• GET /api/playlists - Get user playlists
• POST /api/playlists - Create playlist
• POST /api/playlists/:id/items - Add item to playlist
• DELETE /api/playlists/:id - Delete playlist

Social Features

• GET /api/comments/:type/:id - Get comments
• POST /api/comments - Add comment
• PUT /api/comments/:id - Update comment
• DELETE /api/comments/:id - Delete comment

Notifications

• GET /api/notifications - Get user notifications
• PUT /api/notifications/:id/read - Mark as read
• DELETE /api/notifications/:id - Delete notification

Analytics (Admin)

• GET /api/analytics/dashboard - Dashboard data
• GET /api/analytics/content/:type - Content analytics
• GET /api/analytics/users - User analytics

🎯 Key Features

For Users

• Personal Dashboard: Customizable user dashboard
• Content Discovery: Advanced search and recommendations
• Playlist Creation: Organize favorite content
• Social Interaction: Comments and ratings
• Real-time Updates: Live notifications and updates

For Administrators

• Analytics Dashboard: Comprehensive usage statistics
• Content Moderation: Approve/reject user content
• User Management: Manage user accounts and permissions
• System Monitoring: Real-time system health monitoring

🔒 Security Features

• JWT Authentication: Secure token-based sessions
• Password Hashing: bcrypt for secure password storage
• Input Validation: Comprehensive data validation
• Rate Limiting: Protection against abuse
• File Upload Security: Secure file handling
• SQL Injection Protection: Parameterized queries
• XSS Protection: Content sanitization

📈 Performance Optimizations

• Image Compression: Automatic image optimization
• Caching: Redis caching for frequently accessed data
• CDN Integration: Content delivery network support
• Database Indexing: Optimized database queries
• Lazy Loading: Progressive content loading

🧪 Testing

# Run tests
npm test

# Run with coverage
npm run test:coverage

# Run specific tests
npm test -- --grep "search"