import 'package:test_sa/models/lookup.dart'; class CalibrationTool{ int id; Lookup assetsNumber; DateTime dataOfTesting; CalibrationTool({ this.id, this.assetsNumber, this.dataOfTesting, }); Map toMap(int visitId) { return { "id":id ?? 0, "visitId": visitId, if(assetsNumber != null) 'assetId': (assetsNumber?.id).toString(), if(dataOfTesting != null) 'calibrationDateOfTesters': dataOfTesting.toIso8601String(), }; } factory CalibrationTool.fromMap(Map map) { return CalibrationTool( assetsNumber: Lookup(id: map["assetId"],name: map['assetSerialNo']), dataOfTesting: DateTime.tryParse(map['calibrationDateOfTesters'] ?? ""), ); } CalibrationTool copyWith({ Lookup assetsNumber, DateTime dataOfTesting, }) { return CalibrationTool( id: id, assetsNumber: assetsNumber ?? this.assetsNumber, dataOfTesting: dataOfTesting ?? this.dataOfTesting, ); } }