relatica/lib/models/focus_mode_data.dart

class FocusModeData {
  final DateTime? disableTime;
  final bool enabled;

  const FocusModeData(this.enabled, {this.disableTime});

  factory FocusModeData.disabled() => const FocusModeData(false);

  factory FocusModeData.fromJson(Map<String, dynamic> json) => FocusModeData(
        json['enabled'],
        disableTime: DateTime.tryParse(json['disableTime'] ?? ''),
      );

  Map<String, dynamic> toJson() => {
        'enabled': enabled,
        if (disableTime != null) 'disableTime': disableTime!.toIso8601String(),
      };
}