/// <summary>
/// Активирует модель представления.
/// </summary>
public override async void Activate(NavigationMode mode = NavigationMode.New)
{
_retriesCount++;
var response = await(new GetUsersRequest()).ExecuteAsync();
if (response.Error.ErrorType == VKErrors.None)
{
Profile = response.Response[0];
_retriesCount = 0;
}
else if (_retriesCount <= 5)
{
Activate();
}
else
{
_retriesCount = 0;
}
}
/// <summary>
/// Конструктор по умолчанию.
/// </summary>
public SidebarViewModel()
{
#if DEBUG
if (IsInDesignModeStatic)
{
Profile = new VKProfileBase
{
FirstName = "Роман",
LastName = "Гладких",
Status = "OneVK design mode."
};
MessagesCount = 159;
}
#endif
GoToMessagesView = new RelayCommand(() => NavigationHelper.Navigate(AppViews.MessagesView));
ServiceHelper.VKLongPollService.MessagesCounterChanged += (s, e) =>
{
MessagesCount = e.Count;
RaisePropertyChanged("HasNotifications");
};
Messenger.Default.Register <VKAccountGetCountersResponse>(this, OnCountersMessageReceived);
}
/// <summary>
/// Деактивирует модель представления.
/// </summary>
public override void Deactivate(NavigationMode mode = NavigationMode.New)
{
Profile = null;
}