224 lines
7.3 KiB
Plaintext
224 lines
7.3 KiB
Plaintext
# YouTube Automation Project - PRD
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## Project Overview
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Implement automatic YouTube thumbnail population system for Directus media collection, providing seamless integration between YouTube content and CMS media management with fallback mechanisms and performance optimization.
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## Goals and Success Metrics
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### Primary Goals
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- Automate YouTube thumbnail extraction and population
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- Provide robust fallback mechanisms for API unavailability
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- Integrate seamlessly with Directus media collections
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- Support multiple thumbnail resolutions and preferences
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- Enable optional local storage for performance and reliability
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### Success Metrics
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- 100% successful thumbnail extraction from valid YouTube URLs
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- Sub-2 second response time for thumbnail population
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- 99.9% uptime for thumbnail service
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- Zero data loss during thumbnail operations
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- Comprehensive error handling and recovery
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## Technical Requirements
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### Core Technology Stack
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- **Backend**: Node.js/Python with YouTube Data API integration
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- **Storage**: Local file system with TTL management
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- **CMS Integration**: Directus hooks and API endpoints
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- **Caching**: Redis for API response caching
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- **Image Processing**: Sharp/ImageMagick for format conversion
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### API Integration Requirements
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- YouTube Data API v3 client implementation
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- Authentication and quota management
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- Rate limiting and circuit breaker patterns
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- Exponential backoff for error recovery
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- Comprehensive logging and monitoring
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### Storage Requirements
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- Configurable local storage directory
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- TTL-based cache invalidation
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- Disk space monitoring and cleanup
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- Format conversion capabilities
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- Backup and recovery mechanisms
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## Features and Functionality
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### Core Features
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1. **YouTube URL Processing**
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- Support all YouTube URL formats (standard, short, embedded)
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- Video ID extraction with validation
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- URL parameter and timestamp handling
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- Playlist reference management
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- Edge case handling for malformed URLs
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2. **Thumbnail Management**
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- Multiple resolution support (maxres, high, medium, default)
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- Configurable resolution priority hierarchy
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- Quality validation and fallback logic
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- Format conversion and optimization
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- Metadata extraction and storage
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3. **API Integration**
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- YouTube Data API client with authentication
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- Rate limit handling and quota management
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- Circuit breaker for service outages
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- Response caching for performance
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- Comprehensive error handling
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4. **Local Storage System**
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- Configurable storage directory structure
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- Video ID-based filename organization
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- TTL-based cache management
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- Disk space monitoring and alerts
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- Automatic cleanup and archiving
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### Advanced Features
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1. **Fallback Mechanisms**
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- Static URL pattern fallback when API fails
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- Image existence validation via HEAD requests
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- Multiple fallback resolution attempts
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- Graceful degradation for service outages
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2. **Directus Integration**
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- Action hooks for automatic population
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- Custom field mapping and validation
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- Bulk operation support
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- Real-time updates and notifications
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3. **Performance Optimization**
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- Intelligent caching strategies
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- Batch processing capabilities
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- Asynchronous operation handling
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- Resource utilization monitoring
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## Implementation Phases
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### Phase 1: Foundation (Week 1)
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- YouTube URL parser implementation
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- Video ID extraction and validation
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- Configuration system design
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- Basic logging and error handling
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### Phase 2: API Integration (Week 2)
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- YouTube Data API client development
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- Authentication and credential management
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- Rate limiting and circuit breaker implementation
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- Response caching and optimization
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### Phase 3: Storage System (Week 3)
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- Local storage service implementation
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- TTL management and cleanup
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- Format conversion capabilities
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- Performance monitoring and alerts
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### Phase 4: Directus Integration (Week 4)
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- Directus action hook implementation
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- Field mapping and validation
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- Bulk operation support
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- Real-time update mechanisms
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### Phase 5: Advanced Features (Week 5)
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- Fallback mechanism implementation
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- Performance optimization
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- Comprehensive error handling
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- Monitoring and alerting setup
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### Phase 6: Testing and Deployment (Week 6)
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- Unit and integration testing
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- Load testing and performance validation
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- Security audit and vulnerability assessment
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- Production deployment and monitoring
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## Technical Specifications
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### Performance Requirements
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- Thumbnail extraction: < 2 seconds per URL
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- Batch processing: 100+ URLs per minute
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- Cache hit ratio: > 80% for repeated requests
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- Memory usage: < 512MB under normal load
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- Disk usage: Configurable with automatic cleanup
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### Reliability Requirements
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- Service uptime: 99.9% availability
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- Error recovery: Automatic retry with exponential backoff
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- Data integrity: 100% accuracy for thumbnail URLs
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- Fallback success: > 95% when primary API fails
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### Security Requirements
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- API key management and rotation
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- Input validation and sanitization
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- Rate limit enforcement
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- Audit logging for all operations
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- Secure credential storage
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### Scalability Requirements
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- Horizontal scaling support
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- Load balancing capabilities
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- Database connection pooling
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- Caching layer optimization
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- Resource monitoring and alerting
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## Dependencies and Risks
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### Dependencies
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- YouTube Data API availability and quota
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- Directus instance configuration and access
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- Local file system storage availability
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- Redis caching infrastructure (optional)
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- Image processing library availability
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### Technical Risks
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- YouTube API quota exhaustion
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- API service outages or changes
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- Directus hook configuration complexity
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- Storage space limitations
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- Image processing performance bottlenecks
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### Business Risks
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- YouTube API pricing changes
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- Terms of service violations
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- Copyright and usage compliance
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- Performance impact on CMS operations
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### Mitigation Strategies
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- Implement comprehensive fallback mechanisms
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- Monitor API usage and implement quotas
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- Regular backup and recovery testing
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- Performance monitoring and optimization
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- Legal compliance review and documentation
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## Success Criteria
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- All 8 implementation subtasks completed successfully
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- Thumbnail extraction working for all supported URL formats
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- Fallback mechanisms functional when primary API fails
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- Directus integration seamless and reliable
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- Performance benchmarks met or exceeded
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- Comprehensive test coverage (>90%)
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- Production deployment successful with monitoring
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## Deliverables
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1. YouTube URL parser with comprehensive format support
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2. Configuration system for resolution preferences and settings
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3. YouTube Data API client with resilience and error handling
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4. Thumbnail resolution fallback logic implementation
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5. Local storage service with TTL and cleanup management
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6. Directus integration hooks and field population logic
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7. Fallback mechanism for API unavailability scenarios
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8. Comprehensive test suite and validation pipeline
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## Configuration Options
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- Resolution priority hierarchy (maxres > high > medium > default)
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- YouTube API key and quota settings
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- Local storage directory and TTL configuration
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- Directus instance connection and authentication
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- Caching settings and performance tuning
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- Logging levels and monitoring endpoints
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## Monitoring and Alerting
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- API usage and quota monitoring
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- Response time and performance metrics
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- Error rate and failure tracking
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- Storage usage and cleanup alerts
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- Directus integration health checks
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- Security and compliance monitoring |