Jon
5bad434a27
Backend File Upload System: - Implemented comprehensive multer middleware with file validation - Created file storage service supporting local filesystem and S3 - Added upload progress tracking with real-time status updates - Built file cleanup utilities and error handling - Integrated with document routes for complete upload workflow Key Features: - PDF file validation (type, size, extension) - User-specific file storage directories - Unique filename generation with timestamps - Comprehensive error handling for all upload scenarios - Upload progress tracking with estimated time remaining - File storage statistics and cleanup utilities API Endpoints: - POST /api/documents - Upload and process documents - GET /api/documents/upload/:uploadId/progress - Track upload progress - Enhanced document CRUD operations with file management - Proper authentication and authorization checks Testing: - Comprehensive unit tests for upload middleware (7 tests) - File storage service tests (18 tests) - All existing tests still passing (117 backend + 25 frontend) - Total test coverage: 142 tests Dependencies Added: - multer for file upload handling - uuid for unique upload ID generation Ready for Task 7: Document Processing Pipeline