michaelschiemer/TODO.md

# Framework Improvement Todo List

This document outlines the planned improvements for the michaelschiemer.de framework, organized by category and priority. Each task includes an estimated effort level and current status.

## How to Use This List

- **Priority**: (P1: Critical, P2: High, P3: Medium, P4: Low)
- **Effort**: (S: Small, M: Medium, L: Large, XL: Extra Large)
- **Status**: TODO, IN_PROGRESS, DONE
- Review this list during sprint planning to select the next tasks to work on
- Update task status as work progresses
- Add new tasks as they are identified during development

## Testing Improvements

### P1: Critical Testing Tasks

- [ ] **Increase unit test coverage for security components** (M)
  - Focus on WAF functionality
  - Test edge cases for security filters
  - Ensure proper validation of security rules

- [ ] **Implement integration tests for critical paths** (L)
  - Authentication flow
  - Payment processing
  - Data persistence operations

### P2: High Priority Testing Tasks

- [ ] **Set up performance testing infrastructure** (L)
  - Establish performance baselines
  - Create automated performance test suite
  - Integrate with CI/CD pipeline

- [ ] **Improve test coverage for Cache system** (M)
  - Test AsyncAwareCache
  - Test CompressionCacheDecorator
  - Test MultiLevelCache

- [ ] **Enhance HTTP component test coverage** (M)
  - Request/Response handling
  - Middleware execution
  - Route resolution

### P3: Medium Priority Testing Tasks

- [ ] **Create more test fixtures and factories** (S)
  - Standardize test data generation
  - Implement faker integration for test data

- [ ] **Implement browser-based end-to-end tests** (XL)
  - Set up Selenium or Cypress
  - Create test scenarios for critical user journeys

## Performance Optimizations

### P1: Critical Performance Tasks

- [ ] **Optimize cache strategy implementation** (M)
  - Review and improve AsyncCacheAdapter
  - Enhance MultiLevelCache configuration
  - Implement cache warming for critical data

- [ ] **Implement query optimization for database operations** (L)
  - Identify and fix N+1 query issues
  - Add appropriate indexes
  - Optimize JOIN operations

### P2: High Priority Performance Tasks

- [ ] **Implement lazy loading for resource-intensive components** (M)
  - Identify components suitable for lazy loading
  - Refactor to support lazy initialization

- [ ] **Set up regular performance profiling** (M)
  - Configure Xdebug profiling
  - Implement Blackfire integration
  - Create performance dashboards

### P3: Medium Priority Performance Tasks

- [ ] **Optimize asset delivery** (M)
  - Implement proper caching headers
  - Set up CDN integration
  - Optimize image loading

- [ ] **Reduce framework bootstrap time** (L)
  - Analyze startup performance
  - Implement service container optimizations
  - Reduce unnecessary initializations

## Security Improvements

### P1: Critical Security Tasks

- [ ] **Conduct comprehensive security audit** (XL)
  - Review authentication mechanisms
  - Audit authorization controls
  - Check for OWASP Top 10 vulnerabilities

- [ ] **Implement automated dependency scanning** (S)
  - Set up Composer security checks
  - Integrate with CI/CD pipeline
  - Create alerting for vulnerable dependencies

### P2: High Priority Security Tasks

- [ ] **Enhance WAF functionality** (L)
  - Improve rule definitions
  - Add more sophisticated attack detection
  - Implement rate limiting

- [ ] **Implement Content Security Policy** (M)
  - Define appropriate CSP rules
  - Test CSP implementation
  - Monitor CSP violations

### P3: Medium Priority Security Tasks

- [ ] **Improve CSRF protection** (M)
  - Review current implementation
  - Enhance token generation and validation
  - Add automatic CSRF protection to forms

- [ ] **Implement security headers** (S)
  - Configure appropriate security headers
  - Test header implementation
  - Document security header strategy

## Code Modernization

### P1: Critical Modernization Tasks

- [ ] **Upgrade to latest PHP version** (L)
  - Identify compatibility issues
  - Update code to use new language features
  - Test thoroughly after upgrade

- [ ] **Implement strict typing throughout the codebase** (XL)
  - Add strict_types declaration to all files
  - Add proper type hints to all methods
  - Fix any type-related issues

### P2: High Priority Modernization Tasks

- [ ] **Refactor to use PHP 8.x features** (L)
  - Implement named arguments where appropriate
  - Use union types for better type safety
  - Utilize attributes for metadata

- [ ] **Standardize error handling** (M)
  - Create consistent exception hierarchy
  - Implement proper error logging
  - Improve error messages

### P3: Medium Priority Modernization Tasks

- [ ] **Implement more value objects** (M)
  - Identify primitive obsession issues
  - Create appropriate value objects
  - Refactor code to use value objects

- [ ] **Refactor to use more immutable objects** (L)
  - Identify mutable state issues
  - Implement immutable alternatives
  - Update code to work with immutable objects

## Documentation Improvements

### P1: Critical Documentation Tasks

- [ ] **Create comprehensive API documentation** (XL)
  - Document all public APIs
  - Include examples and use cases
  - Ensure documentation is up-to-date

- [ ] **Improve code comments and docblocks** (L)
  - Add/update PHPDoc blocks
  - Document complex algorithms
  - Explain architectural decisions

### P2: High Priority Documentation Tasks

- [ ] **Create architecture documentation** (L)
  - Document overall system architecture
  - Create component diagrams
  - Document design patterns used

- [ ] **Improve developer onboarding documentation** (M)
  - Create step-by-step setup guide
  - Document development workflow
  - Create troubleshooting guide

### P3: Medium Priority Documentation Tasks

- [ ] **Create user documentation** (L)
  - Document user-facing features
  - Create user guides
  - Add screenshots and examples

- [ ] **Document testing strategy** (M)
  - Explain testing approach
  - Document test organization
  - Provide examples of good tests

## DevOps and CI/CD

### P1: Critical DevOps Tasks

- [ ] **Enhance CI/CD pipeline** (L)
  - Add automated testing
  - Implement deployment gates
  - Add security scanning

- [ ] **Improve deployment process** (M)
  - Enhance deployment script
  - Add rollback capabilities
  - Implement blue/green deployments

### P2: High Priority DevOps Tasks

- [ ] **Set up comprehensive monitoring** (L)
  - Implement application performance monitoring
  - Set up error tracking
  - Create alerting system

- [ ] **Improve Docker configuration** (M)
  - Optimize Docker images
  - Enhance Docker Compose setup
  - Implement multi-stage builds

### P3: Medium Priority DevOps Tasks

- [ ] **Implement infrastructure as code** (XL)
  - Set up Terraform or similar
  - Document infrastructure
  - Automate infrastructure provisioning

- [ ] **Create development environment parity** (M)
  - Ensure dev/prod environment similarity
  - Document environment differences
  - Simplify environment setup

## Framework Components Overhaul

### P1: Critical Component Tasks

- [ ] **Enhance Mail system based on Attachment.php** (M)
  - Improve attachment handling
  - Add support for templates
  - Implement mail queuing

- [ ] **Optimize Cache system** (L)
  - Refactor AsyncAwareCache
  - Enhance CompressionCacheDecorator
  - Improve MultiLevelCache

### P2: High Priority Component Tasks

- [ ] **Improve Validation system** (L)
  - Enhance ValidationRule implementation
  - Add more validation rules
  - Improve validation error messages

- [ ] **Enhance Router functionality** (M)
  - Optimize route matching
  - Improve middleware handling
  - Add better support for route groups

### P3: Medium Priority Component Tasks

- [ ] **Refactor Discovery service** (M)
  - Improve DiscoveryServiceBootstrapper
  - Enhance service registration
  - Optimize service resolution

- [ ] **Enhance Core components** (L)
  - Improve ProgressMeter
  - Refactor value objects
  - Optimize core utilities

## Progress Tracking

- Total tasks: 42
- Completed: 0
- In progress: 0
- Remaining: 42

Last updated: 2025-08-01