Error Handling & Validation

CruiseAppy implements comprehensive error handling and validation at every stage of the user journey and system integration. These mechanisms ensure data integrity, security, and a user-friendly experience.

Validation

  • Input Validation: All user inputs (forms, API requests) are validated for required fields, data types, and allowed values.
  • Business Rules: Custom validation enforces business logic (e.g., valid booking dates, payment amounts, passenger info completeness).
  • Real-Time Feedback: Users receive immediate feedback on invalid or missing data, with clear error messages.
  • API Validation: API endpoints validate incoming data and return structured error responses.

Error Handling

  • User-Facing Errors: Friendly, actionable error messages are displayed for common issues (e.g., invalid login, payment failure, unavailable cabin).
  • System Errors: Critical errors are logged with full context for troubleshooting by admins and developers.
  • API Errors: Standardized error codes and messages are returned for API consumers, including HTTP status codes and error details.
  • Graceful Degradation: Where possible, the system continues to function with limited features if a non-critical error occurs.

Logging & Auditing

  • All errors and validation failures are logged with timestamps, user/session info, and error details.
  • Logs are accessible to admins for monitoring, compliance, and debugging.

Security Considerations

  • Sensitive error details are never exposed to end users.
  • Validation and error handling are designed to prevent common vulnerabilities (e.g., SQL injection, XSS).

Additional Notes

  • Error handling and validation logic is extensible via plugin hooks and custom code.
  • Regular audits and tests are performed to ensure reliability and security.