/// <summary>
/// Обновить рекламные акции.
/// </summary>
public async void Update()
{
if (!ServiceHelper.SettingsService.EnablePromo)
{
return;
}
ulong promoGroupID = 0;
var request = new VKExecuteRequest <uint>(VKMethodsConstants.ExecuteGetPromoGroup);
for (int i = 0; i < MAX_RETRIES_NUMBER; i++)
{
var response = await request.ExecuteAsync();
if (response.Error.ErrorType != VKErrors.None)
{
continue;
}
promoGroupID = response.Response;
break;
}
if (promoGroupID == 0)
{
return;
}
var wallRequest = new GetWallRequest {
Count = 10, OwnerID = -((long)promoGroupID)
};
for (int i = 0; i < MAX_RETRIES_NUMBER; i++)
{
var wall = await wallRequest.ExecuteAsync();
if (wall.Error.ErrorType != VKErrors.None)
{
continue;
}
var promos = new List <OneVKPromo>();
foreach (var post in wall.Response.Items)
{
try
{
var promo = JsonConvert.DeserializeObject <OneVKPromo>(post.FullText);
promo.PromoImage = ((VKPhoto)post.Attachments[0].Attachment).Photo604;
promos.Add(promo);
}
catch (Exception) { }
}
Promos = promos;
Messenger.Default.Send(new UpdatePromosMessage());
break;
}
}
/// <summary>
/// Возвращает список записей со страницы
/// </summary>
/// <param name="callback">Метод, который будет вызван по завершении операции</param>
/// <param name="request">Объект запроса с необходимыми параметрами</param>
public void GetWallPosts(Action <VKResponse <List <VKBaseWallPost> > > callback,
GetWallRequest request)
{
VKHelper.GetResponse <List <VKBaseWallPost> >(request, callback);
}
