private void OnShowSimplePush(string type)
{
var notification = new AppNotification {
Duration = TimeSpan.FromSeconds(10)
};
switch (type)
{
case "Warning":
notification.Title = SIMPLE_PUSH_WARNING_TITLE;
notification.Content = SIMPLE_PUSH_WARNING_CONTENT;
notification.Type = AppNotificationType.Warning;
break;
case "Error":
notification.Title = SIMPLE_PUSH_ERROR_TITLE;
notification.Content = SIMPLE_PUSH_ERROR_CONTENT;
notification.Type = AppNotificationType.Error;
break;
case "Info":
notification.Title = SIMPLE_PUSH_INFO_TITLE;
notification.Content = SIMPLE_PUSH_INFO_CONTENT;
notification.Type = AppNotificationType.Info;
break;
default:
notification.Title = SIMPLE_PUSH_DEFAULT_TITLE;
notification.Content = SIMPLE_PUSH_DEFAULT_CONTENT;
break;
}
appNotificationsService.SendNotification(notification);
}
private async void OnJoinGroup()
{
var request = new Request <VKOperationIsSuccess>("groups.join",
new Dictionary <string, string>
{
{ "group_id", groupID.ToString() }
});
var response = await vkService.ExecuteRequestAsync(request);
if (response.IsSuccess)
{
await LoadGroupInfo();
JoinGroup.RaiseCanExecuteChanged();
ExitGroup.RaiseCanExecuteChanged();
}
else
{
var notification = new AppNotification
{
Type = AppNotificationType.Error,
Title = $"Не удалось вступить в сообщество {Group.Name}",
Content = "Повторите попытку позднее"
};
appNotificationsService.SendNotification(notification);
}
}
/// <summary>
/// Загружает информацию о настройках.
/// </summary>
private async Task LoadSettings()
{
LoadingText = "Загрузка информации о настройках";
IsLoading = true;
var parameters = new Dictionary <string, string>
{
{ "group_id", Group.ID.ToString() }
};
var request = new Request <VKGroupSettings>("groups.getSettings", parameters);
var response = await vkService.ExecuteRequestAsync(request);
if (response.IsSuccess)
{
Settings = response.Response;
CurrentSubjectIndex = Settings.AvailableSubjects.FindIndex(s => s.ID == Settings.Subject);
}
else if (response.Error == VKErrors.AccessDenied)
{
var notification = new AppNotification
{
Type = AppNotificationType.Error,
Title = "Нет доступа к параметрам сообщества",
Content = "Не удалось получить текущие значения параметров",
ImageUrl = Group.Photo100
};
appNotificationsService.SendNotification(notification);
if (navigationService.CanGoBack())
{
navigationService.GoBack();
}
}
else
{
var notification = new AppNotification
{
Type = AppNotificationType.Error,
Title = "Не удалось получить текущие значения параметров",
Content = "Повторите попытку позднее",
ImageUrl = Group.Photo100
};
appNotificationsService.SendNotification(notification);
if (navigationService.CanGoBack())
{
navigationService.GoBack();
}
}
IsLoading = false;
}
/// <summary>
/// Проверяет инициализацию клиента.
/// </summary>
private async Task <bool> CheckInitialized()
{
try
{
if (!isInitialized)
{
if (String.IsNullOrEmpty(CLIENT_NAME) || String.IsNullOrEmpty(CLIENT_SECRET))
{
var notification = new AppNotification
{
Type = AppNotificationType.Error,
Title = "Невозможно инициализировать GrooveMusicService",
Content = "CLIENT_NAME или CLIENT_SECRET не заданы"
};
appNotificationService.SendNotification(notification);
isInitialized = false;
return(false);
}
await client.InitializeAccessTokenAsync();
}
isInitialized = true;
return(true);
}
catch (Exception) { return(false); }
}
public override void OnNavigatedTo(NavigatedToEventArgs e, Dictionary <string, object> viewModelState)
{
if (sessionStateService.SessionState.ContainsKey("NewsfeedNextFrom"))
{
nextFrom = (string)sessionStateService.SessionState["NewsfeedNextFrom"];
}
if (sessionStateService.SessionState.ContainsKey("Newsfeed"))
{
var newsfeed = (PaginatedCollection <VKNewsfeedItem>)sessionStateService.SessionState["Newsfeed"];
newsfeed.LoadMoreItems = LoadMoreItems;
Newsfeed = newsfeed;
if (sessionStateService.SessionState.ContainsKey("NewsfeedSuspended"))
{
sessionStateService.SessionState.Remove("NewsfeedSuspended");
var notification = new AppNotification
{
Type = AppNotificationType.Warning,
Title = "Новости могли устареть",
Content = "Коснитесь, чтобы обновить",
Duration = TimeSpan.FromSeconds(10),
ActionToDo = () =>
{
FirstVisibleIndex = 0;
nextFrom = null;
Newsfeed.Refresh();
}
};
appNotificationsService.SendNotification(notification);
}
if (sessionStateService.SessionState.ContainsKey("FirstVisibleNewsfeedIndex"))
{
FirstVisibleIndex = (int)sessionStateService.SessionState["FirstVisibleNewsfeedIndex"];
}
}
else
{
Newsfeed = new PaginatedCollection <VKNewsfeedItem>(LoadMoreItems);
}
base.OnNavigatedTo(e, viewModelState);
}
/// <summary>
/// Запустить LongPoll сервис.
/// </summary>
public async void Start()
{
if (IsWorking)
{
return;
}
try
{
IsWorking = true;
cts = new CancellationTokenSource();
if (ServiceStarted != null)
{
ServiceStarted(this, EventArgs.Empty);
}
await ProcessLongPoll();
var notification = new AppNotification
{
Type = AppNotificationType.Info,
Title = "Сервис мгновенных сообщений успешно запущен",
Content = "Теперь вы будете в курсе всех новых сообщений",
Duration = TimeSpan.FromSeconds(6)
};
appNotificationsService.SendNotification(notification);
}
catch (OperationCanceledException)
{
OnServiceStopped(VKLongPollServiceStopReason.ByUser);
}
catch (WebConnectionException)
{
OnServiceStopped(VKLongPollServiceStopReason.ConnectionError);
}
catch (Exception)
{
OnServiceStopped(VKLongPollServiceStopReason.InternalError);
throw;
}
}
