Refactor Location model to integrate PostGIS for spatial data, add legacy coordinate fields for compatibility, and enhance documentation for geocoding service implementation.

memory-bank/activeContext.md

@@ -4,7 +4,7 @@
 Converting ThrillWiki from Django to Laravel+Livewire
 
 ## Current Phase
-Parks and Areas Management Implementation
+Location System Implementation
 
 ## Progress
 
@@ -72,26 +72,41 @@ Parks and Areas Management Implementation
     - Implemented cache warming
     - Added performance monitoring
     - Created error handling
+15. ✅ Implemented Location System Foundation:
+    - Created Location model with PostGIS
+    - Added polymorphic relationships
+    - Implemented spatial queries
+    - Added name and type fields
+    - Added activity logging
+    - Created coordinate sync
+    - Matched Django GeoDjango features
 
 ### In Progress
-1. [ ] Location System Implementation
-   - Model structure design
-   - Polymorphic relationships
-   - Map integration
-   - Location selection
+1. [ ] Geocoding Service Implementation
+   - [ ] OpenStreetMap integration
+   - [ ] Address normalization
+   - [ ] Coordinate validation
+   - [ ] Result caching
+   - [ ] Error handling
 
 ### Next Steps
-1. Location System
-   - [ ] Create location model
-   - [ ] Add polymorphic relationships
-   - [ ] Implement geocoding service
+1. Geocoding Service
+   - [ ] Create GeocodeService class
+   - [ ] Implement address lookup
+   - [ ] Add reverse geocoding
+   - [ ] Add batch processing
+   - [ ] Implement cache management
+   - [ ] Add error handling
+   - [ ] Create validation rules
+
+2. Location Components
    - [ ] Create map component
    - [ ] Add location selection
-   - [ ] Implement search
-   - [ ] Add clustering
-   - [ ] Create distance calculations
+   - [ ] Implement search interface
+   - [ ] Add clustering support
+   - [ ] Create location display
 
-2. Performance Optimization
+3. Performance Optimization
    - [ ] Implement query caching
    - [ ] Add index optimization
    - [ ] Create monitoring tools
@@ -101,19 +116,33 @@ Parks and Areas Management Implementation
 
 ### Recent Implementations
 
-1. Statistics Caching Design
-   - Service-based architecture
-   - Hierarchical caching
-   - Automatic invalidation
-   - Performance monitoring
+1. Location System Design
+   - PostGIS integration matching Django GeoDjango
+   - Polymorphic relationships for flexibility
+   - Legacy coordinate fields for compatibility
+   - Name and location type fields added
+   - Activity logging for location changes
+   - Automatic coordinate sync between formats
+   - Efficient spatial queries using PostGIS
+   - Geography type for accurate calculations
+   - Spatial indexing with GiST
 
-2. Cache Management
+2. Technical Decisions
+   - Maintain backward compatibility with lat/lon fields
+   - Use activity logging for change tracking
+   - Implement coordinate normalization
+   - Support both geography and geometry types
+   - Add name and type fields for better organization
+   - Use PostGIS functions matching Django's implementation
+   - Implement string representation for consistency
+
+3. Cache Management
    - 24-hour TTL
    - Batch processing
    - Error handling
    - Logging system
 
-3. Performance Features
+4. Performance Features
    - Efficient key structure
    - Optimized data format
    - Minimal cache churn
@@ -134,14 +163,14 @@ Parks and Areas Management Implementation
    - Statistics rollup
 
 ## Notes and Considerations
-1. Need to research map providers
+1. Configure OpenStreetMap integration
 2. Consider caching geocoding results
 3. May need clustering for large datasets
 4. Should implement distance-based search
 5. Consider adding location history
 6. Plan for offline maps
 7. Consider adding route planning
-8. Need to handle map errors
+8. Need to handle OpenStreetMap API errors
 9. Consider adding location sharing
 10. Plan for mobile optimization
 11. Consider adding geofencing
@@ -164,5 +193,5 @@ Parks and Areas Management Implementation
 14. [ ] Add trend analysis tools
 15. [ ] Set up cache invalidation
 16. [ ] Add cache warming jobs
-17. [ ] Research map providers
-18. [ ] Plan geocoding strategy
+17. [ ] Set up OpenStreetMap API integration
+18. [ ] Implement OpenStreetMap geocoding