Validation Service

The ValidationService provides centralized validation logic for form inputs, ensuring consistent validation throughout the app.

Key Features

• Returns ValidationResult objects with success status and error messages
• Provides validators for all data types in the application
• Integration with Flutter's form validation system
• Composition of validation rules for complex validations

Interactions with Other Services

• DatabaseService: Validates data before persistence
• Feature modules: Form screens use validation for user input
• Model classes: Constructors validate data during object creation