e_receipt_mobile/lib/presentation/login/login_state.dart

class LoginState {
  const LoginState({
    this.isLoading = false,
    this.errorMessage,
    this.successMessage,
  });

  final bool isLoading;
  final String? errorMessage;
  final String? successMessage;

  LoginState copyWith({
    bool? isLoading,
    String? errorMessage,
    String? successMessage,
    bool clearError = false,
    bool clearSuccess = false,
  }) {
    return LoginState(
      isLoading: isLoading ?? this.isLoading,
      errorMessage: clearError ? null : errorMessage ?? this.errorMessage,
      successMessage: clearSuccess
          ? null
          : successMessage ?? this.successMessage,
    );
  }
}