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thrillwiki_laravel/memory-bank/design/CodeDuplication.md

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# Code Duplication Analysis
## Photo Management Components
### Current Duplication
- `PhotoGalleryComponent`, `PhotoManagerComponent`, and `FeaturedPhotoSelectorComponent` share similar:
- Park model mounting logic
- Photo collection handling
- Basic photo management operations
### Recommendation
1. Create a base photo component trait/abstract class
2. Extract common photo loading and management logic
3. Implement specific features in child components
## Statistics Services
### Current Duplication
- `StatisticsRollupService` and `StatisticsCacheService` have parallel implementations:
- Similar entity iteration (areas, parks, operators)
- Matching method patterns for each entity type
- Redundant update/cache cycles
### Recommendation
1. Create a unified statistics processor
2. Implement the Strategy pattern for different statistics operations
3. Use a single iteration cycle for both updating and caching
## Location Components
### Current Duplication
- `LocationMapComponent` and `LocationSelectorComponent` duplicate:
- Location validation logic
- State management for coordinates
- Selection handling
### Recommendation
1. Extract common location logic to a trait
2. Create a shared location validation service
3. Implement a central location state manager
## Action Items
1. Immediate
- Create base traits/abstracts for common functionality
- Extract duplicate validation logic to services
- Document common patterns for reuse
2. Long-term
- Implement unified statistics processing
- Create shared state management for locations
- Establish component inheritance hierarchy
## Benefits
1. Maintainability
- Single source of truth for common logic
- Easier updates and bug fixes
- Consistent behavior across components
2. Performance
- Reduced memory usage
- Optimized service calls
- Better caching opportunities
3. Development
- Clearer code organization
- Reduced testing surface
- Easier feature additions