feat: Enhance parks listing with view mode toggle and search functionality

- Implemented a consolidated search bar for parks with live search capabilities. - Added view mode toggle between grid and list views for better user experience. - Updated park listing template to support dynamic rendering based on selected view mode. - Improved pagination controls with HTMX for seamless navigation. - Fixed import paths in parks and rides API to resolve 501 errors, ensuring proper functionality. - Documented changes and integration requirements for frontend compatibility.
2025-12-20 06:11:07 -05:00 · 2025-08-31 11:39:14 -04:00
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+# Parks and Rides API 501 Error Fix - Frontend Integration Prompt
+
+## Project Context
+ThrillWiki is a comprehensive theme park and ride database with Django REST API backend. The parks and rides listing endpoints were returning 501 errors due to incorrect model imports, preventing frontend integration.
+
+## High-Level Objectives
+- Fix 501 errors in both `/api/v1/parks/` and `/api/v1/rides/` endpoints
+- Ensure proper model imports and database query functionality
+- Maintain existing API contract and response formats
+- Verify all filtering and search functionality works correctly
+
+## Technical Implementation Details
+
+### Root Cause Analysis
+Both API endpoints were attempting to import the Company model from a non-existent `apps.companies.models` module. The Company model is actually located in `apps.parks.models`.
+
+### Backend Changes Applied
+
+#### Parks API (`backend/apps/api/v1/parks/park_views.py`)
+- **Import Fix**: Changed from `from apps.companies.models import Company` to `from apps.parks.models import Park, Company`
+- **Annotation Conflicts**: Resolved database annotation conflicts by using calculated field names to avoid conflicts with existing model fields
+- **Query Optimization**: Maintained existing select_related and prefetch_related optimizations
+
+#### Rides API (`backend/apps/api/v1/rides/views.py`)
+- **Import Fix**: Simplified imports to use single Company model from parks app
+- **Variable References**: Updated all Company references to use correct import
+- **Maintained Functionality**: All filtering, search, and pagination features preserved
+
+### API Endpoints Now Functional
+
+#### Parks API Endpoints
+- `GET /api/v1/parks/` - List parks with comprehensive filtering and pagination
+- `GET /api/v1/parks/filter-options/` - Get filter metadata for frontend forms
+- `GET /api/v1/parks/search/companies/?q={query}` - Company autocomplete search
+- `GET /api/v1/parks/search-suggestions/?q={query}` - Park name suggestions
+- `GET /api/v1/parks/{id}/` - Individual park details
+- `PATCH /api/v1/parks/{id}/image-settings/` - Set banner/card images
+
+#### Rides API Endpoints
+- `GET /api/v1/rides/` - List rides with comprehensive filtering and pagination
+- `GET /api/v1/rides/filter-options/` - Get filter metadata for frontend forms
+- `GET /api/v1/rides/search/companies/?q={query}` - Company autocomplete search
+- `GET /api/v1/rides/search/ride-models/?q={query}` - Ride model autocomplete
+- `GET /api/v1/rides/search-suggestions/?q={query}` - Ride name suggestions
+- `GET /api/v1/rides/{id}/` - Individual ride details
+- `PATCH /api/v1/rides/{id}/image-settings/` - Set banner/card images
+
+### Mandatory API Rules Compliance
+- **Trailing Forward Slashes**: All API endpoints include mandatory trailing forward slashes
+- **HTTP Methods**: Proper GET/POST/PATCH/DELETE method usage
+- **Authentication**: Public endpoints use AllowAny permissions
+- **Error Handling**: Proper 404/400/500 error responses with detailed messages
+- **Pagination**: Standard pagination with count, next, previous fields
+
+### Response Format Examples
+
+#### Parks List Response
+```json
+{
+    "count": 7,
+    "next": "http://localhost:8000/api/v1/parks/?page=2&page_size=2",
+    "previous": null,
+    "results": [
+        {
+            "id": 99,
+            "name": "Cedar Point",
+            "slug": "cedar-point",
+            "status": "OPERATING",
+            "description": "Known as the \"Roller Coaster Capital of the World\".",
+            "average_rating": null,
+            "coaster_count": 4,
+            "ride_count": 4,
+            "location": {
+                "latitude": null,
+                "longitude": null,
+                "city": null,
+                "state": null,
+                "country": null,
+                "formatted_address": ""
+            },
+            "operator": {
+                "id": 114,
+                "name": "Cedar Fair Entertainment Company",
+                "slug": "cedar-fair-entertainment-company",
+                "roles": ["OPERATOR"],
+                "url": ""
+            },
+            "url": "http://www.thrillwiki.com/parks/cedar-point/",
+            "created_at": "2025-08-22T15:33:27.302477-04:00",
+            "updated_at": "2025-08-28T19:13:11.773038-04:00"
+        }
+    ]
+}
+```
+
+#### Rides List Response
+```json
+{
+    "count": 10,
+    "next": "http://localhost:8000/api/v1/rides/?page=2&page_size=2",
+    "previous": null,
+    "results": [
+        {
+            "id": 134,
+            "name": "Big Thunder Mountain Railroad",
+            "slug": "big-thunder-mountain-railroad",
+            "category": "RC",
+            "status": "OPERATING",
+            "description": "Mine train roller coaster themed as a runaway mining train.",
+            "park": {
+                "id": 97,
+                "name": "Magic Kingdom",
+                "slug": "magic-kingdom"
+            },
+            "average_rating": null,
+            "capacity_per_hour": null,
+            "opening_date": "1980-11-15",
+            "closing_date": null,
+            "url": "http://www.thrillwiki.com/parks/magic-kingdom/rides/big-thunder-mountain-railroad/",
+            "created_at": "2025-08-22T15:33:27.326714-04:00",
+            "updated_at": "2025-08-28T19:13:11.752830-04:00"
+        }
+    ]
+}
+```
+
+### Filter Options Response Structure
+Both parks and rides filter options endpoints return comprehensive metadata including:
+- **Categories**: Available ride/park categories with labels
+- **Statuses**: Operational status options
+- **Ordering Options**: Sort field options with human-readable labels
+- **Filter Ranges**: Min/max/step values for numeric filters
+- **Boolean Filters**: Toggle filter definitions
+
+### Frontend Integration Requirements
+
+#### TypeScript Integration
+- All endpoints return properly typed responses
+- Company model unified across parks and rides domains
+- Consistent error handling patterns
+- Proper pagination interface implementation
+
+#### State Management Patterns
+- Handle loading states during API calls
+- Implement proper error boundaries for 404/500 responses
+- Cache filter options to reduce API calls
+- Debounce search/autocomplete queries
+
+#### User Experience Recommendations
+- Show loading indicators during data fetching
+- Implement infinite scroll or pagination controls
+- Provide clear error messages for failed requests
+- Use autocomplete for company and ride model searches
+
+### Performance Optimization Strategies
+- **Database Queries**: All endpoints use optimized select_related and prefetch_related
+- **Caching**: Filter options can be cached client-side
+- **Pagination**: Use appropriate page sizes (default 20, max 1000)
+- **Search Debouncing**: Implement 300ms debounce for search queries
+
+### Testing Considerations
+- Verify all endpoints return 200 status codes
+- Test pagination with various page sizes
+- Validate filter combinations work correctly
+- Ensure search functionality returns relevant results
+- Test error handling for invalid parameters
+
+### Backend Compatibility Notes
+- **Fully Supported**: All documented endpoints are fully functional
+- **Real Database Queries**: All responses use actual database data, no mock responses
+- **Consistent Response Format**: All endpoints follow DRF pagination standards
+- **Error Handling**: Proper HTTP status codes and error messages
+
+### Documentation Maintenance
+This fix resolves the 501 errors and restores full functionality to both parks and rides API endpoints. All existing frontend integration patterns should continue to work without modification.
+
+### Version Information
+- **Fix Applied**: 2025-08-31
+- **Django Version**: Compatible with current project setup
+- **API Version**: v1 (stable)
+- **Breaking Changes**: None - maintains existing API contract