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# Changelog
All notable changes and improvements to the Task Service are documented in this file.
## [1.0.0] - 2024-11-10
### Added
- Comprehensive JavaDoc comments for all classes, methods, and fields
- Global exception handler (`GlobalExceptionHandler`) for centralized error handling
- Custom exception (`TaskNotFoundException`) for task not found scenarios
- Detailed README.md with complete service documentation
- Example configuration file (`application.properties.example`) with detailed comments
- Enhanced Docker configuration with better labels and working directory
- Improved code comments and documentation throughout
### Fixed
- **TaskServiceImplementation.java**:
- Fixed `getAllTasks()` method - was returning null, now properly implements filtering and sorting
- Fixed `assignedToUser()` method - was incorrectly setting status to DONE instead of ASSIGNED
- Removed duplicate `assignedUsersTask()` method with inconsistent signatures
- Fixed `getTaskById()` - now properly throws exception instead of returning null
- Added proper null handling in sorting with `Comparator.nullsLast()`
- Added support for both "asc" and "desc" sorting directions
- Added tags update in `updateTask()` method
- **TaskRepository.java**:
- Cleaned up unnecessary method declarations (removed redundant `deleteById` and `getTaskById`)
- MongoRepository already provides these methods by default
- Added comprehensive JavaDoc
- **TaskController.java**:
- Fixed `completeTask()` - changed response status from NO_CONTENT to OK (should return task)
- Fixed `getTaskById()` - removed unnecessary null check (service now throws exception)
- Removed unused commented code
- Made fields final for better immutability
- Enhanced error handling consistency
- **HomeController.java**:
- Removed unused import (`UserService`)
- Fixed method naming inconsistency (method name matched class name)
- Cleaned up unnecessary whitespace
### Changed
- Improved consistency in exception handling across all endpoints
- Enhanced method documentation with detailed parameter and return descriptions
- Standardized code formatting and style
- Improved variable naming (e.g., `existingTasks` → `existingTask`)
- Enhanced test documentation
### Documentation
- Created comprehensive README.md covering:
- Service overview and purpose
- Architecture and technology stack
- Database schema
- Complete API documentation with examples
- Configuration guide
- Multiple deployment methods (Gradle, JAR, Docker, Docker Compose)
- Integration details with other services
- Troubleshooting guide
- Security considerations
- Performance tips
- Future enhancement ideas
- Added detailed configuration documentation:
- Server configuration
- MongoDB setup
- Eureka integration
- Zipkin tracing
- Feign client configuration
- Logging options
- Actuator endpoints
### Technical Improvements
- Better separation of concerns in service layer
- Improved error messages for debugging
- Enhanced logging readiness (commented examples provided)
- Docker-ready with proper configuration overrides
- Production-ready exception handling
- Consistent HTTP status code usage
### Code Quality
- Added comprehensive JavaDoc (100% coverage)
- Removed code duplication
- Fixed potential NPE issues
- Improved code readability
- Better method organization
- Consistent coding style
## Future Enhancements
See README.md for planned features and improvements.
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**Note**: This changelog reflects the refactoring and improvement session on November 10, 2024.
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