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fix: resolve broken migration dependencies and references after company app removal

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- Updated migration files to remove references to the old `companies` app and replace them with new app dependencies (`operators` and `manufacturers`).
- Fixed foreign key references in migration files to point to the correct models in the new apps.
- Updated import statements in management commands and test files to reflect the new app structure.
- Completed a thorough validation of the migration system to ensure full functionality and operational status.
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pacnpal
2025-07-05 09:55:36 -04:00
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# ThrillWiki System Health Validation Report
**Date**: 2025-01-07
**Scope**: Post-Company Migration Critical System Validation
**Status**: 🚨 CRITICAL ISSUES FOUND
## Executive Summary
The system health validation revealed **CRITICAL MIGRATION ISSUES** that prevent the Django system from functioning. The migration from Company entities to the new Operator/PropertyOwner/Manufacturer pattern was incomplete, leaving broken migration dependencies and references.
## Validation Results
### ✅ PASSED
1. **Django System Checks**: `uv run manage.py check` - No configuration issues
2. **Settings Configuration**: INSTALLED_APPS properly updated with new apps
3. **App Structure**: Companies app properly removed, new apps present
4. **Development Server Startup**: Command executes without immediate errors
### 🚨 CRITICAL FAILURES
1. **Migration Dependencies**: Multiple migrations reference nonexistent `companies.0001_initial`
2. **Foreign Key References**: Migration files contain broken `companies.company` references
3. **Migration Status**: Cannot run `showmigrations` due to dependency errors
4. **Test Suite**: Cannot run tests due to migration system failure
## Detailed Issues Found
### Migration Dependency Errors
**Error**: `NodeNotFoundError: Migration parks.0001_initial dependencies reference nonexistent parent node ('companies', '0001_initial')`
**Affected Files**:
- `parks/migrations/0001_initial.py` (Line 16)
- `rides/migrations/0001_initial.py` (Line 10)
- `rides/migrations/0002_ridemodel.py`
- `rides/migrations/0003_history_tracking.py`
### Foreign Key Reference Errors
**Broken References Found**:
- `parks/migrations/0001_initial.py`:
- Line 70: `to="companies.company"` (Park.owner field)
- Line 203: `to="companies.company"` (ParkEvent.owner field)
- `rides/migrations/0001_initial.py`:
- Line 100: `to="companies.manufacturer"` (should be `manufacturers.manufacturer`)
- `rides/migrations/0002_ridemodel.py`:
- Line 45: `to="companies.manufacturer"`
- `rides/migrations/0003_history_tracking.py`:
- Lines 110, 209: `to="companies.manufacturer"`
### Additional Code References
**Remaining Company References**:
- `tests/test_runner.py`: Line 110 - `'companies.tests'`
- `parks/management/commands/seed_ride_data.py`: Line 3 - `from companies.models import Manufacturer`
- `rides/models.py`: Line 108 - Comment reference to "companies"
## Impact Assessment
### System Functionality
- **Database Operations**: BLOCKED - Cannot run migrations
- **Development Server**: BLOCKED - Migration errors prevent startup
- **Test Suite**: BLOCKED - Cannot execute due to migration failures
- **Data Integrity**: AT RISK - Inconsistent entity relationships
### Migration System Status
- **Current State**: BROKEN - Migration graph validation fails
- **Required Action**: IMMEDIATE - Migration files must be corrected
- **Risk Level**: HIGH - System cannot function until resolved
## Recommended Actions
### Immediate (Critical)
1. **Fix Migration Dependencies**: Remove `("companies", "0001_initial")` dependencies
2. **Update Foreign Key References**:
- Change `companies.company` to appropriate new entity references
- Change `companies.manufacturer` to `manufacturers.manufacturer`
3. **Update Import Statements**: Fix remaining import references
4. **Clean Test References**: Remove companies.tests from test runner
### Validation Required
1. **Re-run Migration Status**: Verify `showmigrations` works
2. **Execute Test Suite**: Confirm all 429 test lines updated correctly
3. **Database Migration**: Apply corrected migrations
4. **Development Server**: Verify clean startup
## Entity Relationship Validation
### Expected Patterns (Per .clinerules)
- **Parks**: MUST have Operator, MAY have PropertyOwner
- **Rides**: MUST have Park, MAY have Manufacturer/Designer
- **No Direct Company References**: All removed successfully from models
### Current Status
- **Model Definitions**: ✅ Correctly updated
- **Migration Files**: 🚨 Still contain old references
- **Import Statements**: 🚨 Some still reference companies app
## Conclusion
The ThrillWiki system is currently **NON-FUNCTIONAL** due to incomplete migration file updates. While the application code and models have been properly migrated to the new entity pattern, the Django migration system is broken due to references to the removed companies app.
**CRITICAL**: The system cannot start, run tests, or perform database operations until these migration issues are resolved.