- Enhanced HealthCheck struct with Details field for additional metrics
- Added detailed database pool statistics (open connections, in use, idle, wait counts)
- Added health checks for S3 storage service (if enabled)
- Added health checks for Job Worker with job queue statistics
- Added health checks for Email Sender (SMTP configuration)
- Updated HealthHandler to accept additional services
- Updated router to pass S3, JobWorker, and EmailSender to health handler
Phase: PHASE-6
Priority: P2
Progress: 112/267 (41.95%)
- Added HTTP writer for centralized log collection (Loki-compatible)
- Created AggregationConfig with batch processing and flush intervals
- Integrated with existing zap logger using multi-core approach
- Added environment variables for configuration (LOG_AGGREGATION_ENABLED, LOG_AGGREGATION_ENDPOINT, etc.)
- Added unit tests for aggregation functionality
- Updated config.go to initialize logger with aggregation if enabled
Phase: PHASE-6
Priority: P2
Progress: 111/267 (41.57%)
- Created monitoring and alerting service with Prometheus integration
- Support for alert rules with thresholds and severities
- Alert firing and resolution tracking
- Notification callbacks for alert events
- Continuous monitoring with configurable intervals
- Default alert rules for common scenarios
- Prometheus query evaluation and threshold checking
- Comprehensive unit tests for core functionality
- Created CDN service with support for multiple providers
- Support for CloudFront, Cloudflare, and generic CDN
- URL generation for assets, audio, HLS streams, and images
- Cache invalidation with batch support
- Signed URL generation for private content
- Cache headers configuration
- Provider abstraction for easy switching
- Comprehensive unit tests for all functionality
- Enhanced HLS streaming service with additional features
- Stream validation and health checks
- URL generation for master and quality playlists
- Stream cleanup and management
- Statistics and monitoring
- Stream listing with filtering and pagination
- Status updates and existence checks
- Comprehensive unit tests for core functionality
- Created AudioTranscodeService with FFmpeg support
- Support for multiple audio formats (MP3, AAC, FLAC, OGG, WAV, M4A)
- Configurable bitrates and quality presets (low, medium, high, lossless)
- Sample rate and channel configuration
- Timeout handling and error management
- Transcode and TranscodeMultiple methods
- FFmpeg availability checking
- Audio metadata extraction using ffprobe
- Format validation and codec selection
- Comprehensive unit tests for core functionality
- Enhanced image processing service with multiple features
- Support for multiple image sizes (thumbnail, small, medium, large)
- Multiple output formats (JPEG, PNG, WebP)
- Configurable quality settings and processing options
- ProcessImage with customizable options
- ProcessAvatar for optimized avatar processing
- ProcessImageMultipleSizes for batch processing
- OptimizeImage for target file size optimization
- Image format conversion and validation
- Comprehensive unit tests for core functions
- Created Notification model for GORM with proper relationships
- Enhanced NotificationService with GORM-based implementation
- Features: pagination, filtering by type/read status, batch creation
- Mark as read (single and all), deletion (single and all read)
- Unread count and notification types listing
- Comprehensive unit tests for all operations
- Better error handling and logging
- Created AnalyticsAggregationService for analytics_events table
- Aggregation by event type and time period (hour, day, week, month)
- Support for filtering by event names and user ID
- Features: event counts, unique users, average per user, payload summary
- Top events ranking and user activity counts
- Uses PostgreSQL date_trunc and to_char for period grouping
- Added unit tests for service validation and helper functions
- Created TrackRecommendationService with ML-based algorithms
- Collaborative filtering (40%) using similar users' preferences
- Content-based filtering (30%) using track metadata (genre, artist, year)
- Popularity scoring (20%) based on play_count and like_count
- Recency scoring (10%) for recently uploaded tracks
- Support for seed tracks, genre filtering, and track exclusion
- Added unit tests for scoring algorithms
- Combines multiple algorithms for personalized recommendations
- Created FullTextSearchService using PostgreSQL tsvector/tsquery
- Supports full-text search for tracks, users, and playlists
- Uses GIN indexes from migration 048_search_indexes.sql
- Features relevance scoring with ts_rank_cd
- Weighted search (title/name weighted higher than description)
- Pagination and minimum relevance score filtering
- Unified search across all types and individual search methods
- Added unit tests for service validation and query preparation
- Added AWS SDK v2 dependency for S3 support
- Created S3StorageService implementing S3Service interface
- Support for AWS S3 and MinIO (S3-compatible storage)
- Added S3 configuration in config.go with environment variables
- Implemented upload, delete, presigned URL, and public URL methods
- Added unit tests for service validation and URL generation
- Service integrates with existing TrackStorageService
- Created dashboardService.ts to fetch real stats and activity from API
- Created useDashboard hook for managing dashboard data
- Updated DashboardPage to use real data instead of hardcoded values
- Added loading states and skeletons for better UX
- Made quick actions functional with navigation
- Added activity timeline with real timestamps
- Formatted numbers with K/M suffixes for readability
- Added relative time formatting using date-fns
- Enhanced secrets management with environment-aware defaults
- Fixed RabbitMQ URL: no default credentials in production
- Added getRabbitMQURL with environment-aware logic
- Added ValidateRequiredSecrets to validate required secrets
- Added RequiredSecretKeys listing production-required secrets
- Added validation for RabbitMQ URL in production
- All secrets properly managed via environment variables
- No hardcoded secrets in production code
- Enhanced security headers middleware with additional headers
- Added X-Permitted-Cross-Domain-Policies: none
- Added Cross-Origin-Embedder-Policy: require-corp
- Added Cross-Origin-Opener-Policy: same-origin
- Added Cross-Origin-Resource-Policy: same-origin
- Enhanced Permissions-Policy with additional restrictions
- Enhanced CSP with frame-ancestors directive
- HSTS now only set in production (not in development)
- Updated tests to verify all new headers
- Created comprehensive sanitization utility functions
- SanitizeInput, SanitizeText, SanitizeHTML, SanitizeURL, SanitizeEmail, SanitizeUsername
- Applied sanitization to profile handler (username, bio, names, search)
- Applied sanitization to social posts content
- Applied sanitization to comment content
- Applied sanitization to playlist titles and descriptions
- All functions prevent XSS via HTML escaping and remove dangerous URL schemes
- Removes control characters and limits input length to prevent DoS
- Added automatic session refresh mechanism in auth middleware
- Sessions are refreshed when they reach 25% of lifetime remaining
- Refresh happens asynchronously to avoid blocking requests
- Applied to both RequireAuth and OptionalAuth middlewares
- Session timeout enforced through ValidateSession checks
- Created AccountLockoutService to track failed login attempts
- Accounts are locked after 5 failed attempts within 15 minutes
- Lockout duration: 30 minutes (auto-unlock)
- Service uses Redis for persistence (fail-open if Redis unavailable)
- Integrated into AuthService Login method:
* Check account lockout status before login
* Record failed attempts (even for non-existent users to prevent enumeration)
* Reset failed attempts counter on successful login
* Auto-unlock expired accounts
- Added SetAccountLockoutService method to AuthService
- Service initialized in router when Redis is available
Phase: PHASE-4
Priority: P1
Progress: 9/267 (3.4%)
- Enhanced PasswordValidator with additional security checks:
* Maximum length validation (128 characters)
* Common password detection (password, 123456, qwerty, etc.)
* Repetitive pattern detection (aaaa, 1111, etc.)
* Sequential pattern detection (1234, abcd, qwerty, etc.)
- Added ValidatePasswordChange method to ensure new password is
sufficiently different from old password (similarity check)
- Updated PasswordService to use enhanced validator consistently
- Replaced utils.ValidatePasswordStrength with validators.PasswordValidator
- All password operations now use the same comprehensive validation rules
Phase: PHASE-4
Priority: P1
Progress: 8/267 (3.0%)
