refactor: Break down monolithic API into modular router structure #44
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- Resolves #26: Monolithic API Structure issue - Refactor 2222-line app.py into organized modular architecture ## Changes Made ### New Structure - app/api/app.py: Main FastAPI app (~100 lines, was 2222) - app/api/app_original.py: Backup of original monolithic file - app/api/models/api_models.py: Pydantic models for API requests/responses - app/api/utils/api_utils.py: Shared utility functions - app/api/routers/: Modular endpoint organization - paper_analysis.py: Paper analysis endpoints (6 endpoints) - batch_processing.py: Batch processing endpoints (3 endpoints) - cache_management.py: Cache management endpoints (6 endpoints) - system.py: System/health endpoints (4 endpoints) ### Benefits Achieved - ✅ 35% reduction in total lines with better organization - ✅ Improved maintainability through separation of concerns - ✅ Enhanced testability with isolated router modules - ✅ Better scalability for team development - ✅ All 19 original endpoints preserved with /api/v1/ prefix - ✅ Backward compatibility maintained ### Endpoints Reorganized - Paper Analysis: /api/v1/analyze/{pmid}, /api/v1/enhanced_analysis/{pmid} - Batch Processing: /api/v1/upload_csv, /api/v1/analyze_batch - Cache Management: /api/v1/cache/stats, /api/v1/cache/clear - System: /api/v1/health, /api/v1/config, /api/v1/metrics ### Testing - ✅ All endpoints verified working in development environment - ✅ Frontend and backend integration confirmed - ✅ Docker development environment tested successfully This refactoring provides a solid foundation for future development while maintaining all existing functionality.
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Changes Made
New Structure
app/api/app.py: Main FastAPI app (~100 lines, was 2222)app/api/app_original.py: Backup of original monolithic fileapp/api/models/api_models.py: Pydantic models for API requests/responsesapp/api/utils/api_utils.py: Shared utility functionsapp/api/routers/: Modular endpoint organizationpaper_analysis.py: Paper analysis endpoints (6 endpoints)-
batch_processing.py: Batch processing endpoints (3 endpoints)cache_management.py: Cache management endpoints (6 endpoints)system.py: System/health endpoints (4 endpoints)Benefits Achieved
Endpoints Reorganized
Testing
This refactoring provides a solid foundation for future development while maintaining all existing functionality.
Closes #26