TaskService/CHANGELOG.md

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.