trackoffical_app/lib/model/game_state.dart

import 'package:get/get.dart';
import 'package:isar/isar.dart';
import 'package:trackoffical_app/pb.dart' as pb;


part 'game_state.g.dart';

@collection
class GameStateData {
  Id id = 0;
  List<byte> pbGameData = List.empty();
  List<byte> pbGameSave = List.empty();
  String name = '';
  GameState toState() {
    return GameState()
      ..name = name
      ..timeLocalServerDiff = Duration(microseconds: timeLocalServerDiffMicro)
      ..pbGameData = pb.GameData.fromBuffer(pbGameData)
      ..pbGameSave = pb.GameSave.fromBuffer(pbGameSave);
  }

  int timeLocalServerDiffMicro = 0;
}

class GameState {
  String name = '';
  pb.GameData pbGameData = pb.GameData();
  pb.GameSave pbGameSave = pb.GameSave();
  Duration timeLocalServerDiff = 0.seconds;
  DateTime get createTime => pbGameData.gameStart.toDateTime().toLocal();

  GameStateData get data {
    return GameStateData()
      ..name = name
      ..timeLocalServerDiffMicro = timeLocalServerDiff.inMicroseconds
      ..pbGameData = pbGameData.writeToBuffer()
      ..pbGameSave = pbGameSave.writeToBuffer();
  }
}

extension GameDataExtension on pb.GameData {
  GameState toGameState() {
    final save = pb.GameSave()
      ..gameId=gameId;
    final localNow = DateTime.now();
    final serverNow = gameStart.toDateTime();

    return GameState()
      ..timeLocalServerDiff = localNow.difference(serverNow)
      ..pbGameData = this
      ..pbGameSave = save;
  }
}