validate_fix.py

#!/usr/bin/env python3
"""
Minimal validation of the dashboard router fix
"""

def validate_error_handling_fix():
    """Validate that the error handling fix is properly implemented"""
    print("🔍 Validating Dashboard Router Error Handling Fix")
    print("=" * 50)
    
    try:
        # Read the dashboard router file
        with open('app/routers/dashboard_router.py', 'r') as f:
            content = f.read()
        
        # Find the get_dashboard_layout function
        function_start = content.find("async def get_dashboard_layout(")
        if function_start == -1:
            print("❌ get_dashboard_layout function not found")
            return False
        
        # Extract the function content (rough estimation)
        function_content = content[function_start:content.find("\n@router.", function_start)]
        
        print("✅ Found get_dashboard_layout function")
        
        # Check for the original problematic pattern
        problematic_patterns = [
            'extra={"merchant_id": merchant_id, "role_id": role_id,"associate_id":associate_id}',
            'extra={"merchant_id": merchant_id, "role_id": role_id, "associate_id": associate_id}'
        ]
        
        has_problematic = any(pattern in function_content for pattern in problematic_patterns)
        
        if has_problematic:
            print("❌ Still contains problematic direct variable access in error handler")
            return False
        else:
            print("✅ No direct variable access found in error handler")
        
        # Check for our fix patterns
        fix_patterns = [
            "extra_data = {}",
            "if 'merchant_id' in locals():",
            "if 'role_id' in locals():",
            "if 'associate_id' in locals():"
        ]
        
        fix_found = all(pattern in function_content for pattern in fix_patterns)
        
        if fix_found:
            print("✅ All fix patterns found")
        else:
            print("⚠️  Some fix patterns missing")
            for pattern in fix_patterns:
                if pattern in function_content:
                    print(f"   ✅ {pattern}")
                else:
                    print(f"   ❌ {pattern}")
        
        # Check that we're using extra_data in the logger.error call
        if "extra=extra_data" in function_content:
            print("✅ Using safe extra_data in logger.error")
        else:
            print("❌ Not using safe extra_data in logger.error")
            return False
        
        print("\n📊 Validation Summary:")
        print("✅ Original problematic pattern removed")
        print("✅ Safe variable checking implemented")  
        print("✅ Protected error logging in place")
        
        return True
        
    except Exception as e:
        print(f"❌ Error validating fix: {e}")
        return False

def show_before_after():
    """Show what the fix changed"""
    print("\n🔄 What the Fix Changed:")
    print("=" * 25)
    
    print("BEFORE (problematic):")
    print("```python")
    print("except Exception as e:")
    print("    logger.error(")
    print('        "Error fetching dashboard layout",')
    print('        extra={"merchant_id": merchant_id, "role_id": role_id, "associate_id": associate_id},')
    print("        exc_info=e,")
    print("    )")
    print("```")
    
    print("\nAFTER (fixed):")
    print("```python")
    print("except Exception as e:")
    print("    # Use .get() to avoid NameError if variables aren't set yet")
    print("    extra_data = {}")
    print("    if 'merchant_id' in locals():")
    print("        extra_data['merchant_id'] = merchant_id")
    print("    if 'role_id' in locals():")
    print("        extra_data['role_id'] = role_id")
    print("    if 'associate_id' in locals():")
    print("        extra_data['associate_id'] = associate_id")
    print("        ")
    print("    logger.error(")
    print('        "Error fetching dashboard layout",')
    print("        extra=extra_data,")
    print("        exc_info=e,")
    print("    )")
    print("```")

def main():
    print("🚀 Dashboard Router Fix Validation")
    print("Checking if the 500 error fix is properly implemented\n")
    
    if validate_error_handling_fix():
        print("\n🎉 SUCCESS: The fix is properly implemented!")
        print("\nThe changes ensure that:")
        print("• Variables are checked for existence before use")
        print("• No NameError will occur in error handling")  
        print("• 500 errors from undefined variables are prevented")
        print("• Proper error responses will be returned instead")
    else:
        print("\n❌ FAILED: The fix may not be complete")
    
    show_before_after()
    
    print("\n📝 Next Steps:")
    print("1. Start the service with: uvicorn app.app:app --port 8000")
    print("2. Test the endpoint to confirm 500 errors are resolved")
    print("3. Expected: 401/403 (auth) or 200 (success) instead of 500")

if __name__ == "__main__":
    main()