public class PlayerProfileWidget : WidgetBehaviour
{
  [SerializeField] private Text nickname;
  [SerializeField] private Image avatar;
  [SerializeField] private Text level;
  [SerializeField] private GameObject hasUpgradeMark;
  [SerializeField] private Button upgradeButton;
  public void Initialize(ProfileService profileService)
  {
  RefreshData(profileService.Player);
  upgradeButton.onClick
      .Subscribe(profileService.UpgradePlayer)
      .DisposeWith(Lifetime);
  profileService.PlayerUpgraded
      .Subscribe(RefreshData)
      .DisposeWith(Lifetime);
  }
  private void RefreshData(in PlayerModel player)
  {
  nickname.text = player.Id;
  avatar.overrideSprite = Resources.Load<Sprite>($"Avatars/{player.Avatar}_Small");
  level.text = player.Level.ToString();
  hasUpgradeMark.SetActive(player.HasUpgrade);
  }
}

public class PlayerProfilePresenter : Presenter
{
  private readonly IMutableProperty<string> _playerId;
  private readonly IMutableProperty<string> _playerAvatar;
  private readonly IMutableProperty<int> _playerLevel;
  private readonly IMutableProperty<bool> _playerHasUpgrade;
  public PlayerProfilePresenter(ProfileService profileService, IViewModel viewModel)
  {
  _playerId = viewModel.GetString("player/id");
  _playerAvatar = viewModel.GetString("player/avatar");
  _playerLevel = viewModel.GetInteger("player/level");
  _playerHasUpgrade = viewModel.GetBoolean("player/has-upgrade");
  RefreshData(profileService.Player);
  viewModel.GetEvent("player/upgrade")
      .Subscribe(profileService.UpgradePlayer)
      .DisposeWith(Lifetime);
  profileService.PlayerUpgraded
      .Subscribe(RefreshData)
      .DisposeWith(Lifetime);
  }
  private void RefreshData(in PlayerModel player)
  {
  _playerId.Value = player.Id;
  _playerAvatar.Value = player.Avatar;
  _playerLevel.Value = player.Level;
  _playerHasUpgrade.Value = player.HasUpgrade;
  }
}