/// <summary>
/// Подгружает следующую порцию элементов.
/// </summary>
/// <param name="count">Количество элементов, которое необходимо подгрузить.</param>
public IAsyncOperation <LoadMoreItemsResult> LoadMoreItemsAsync(uint count)
{
return(Task.Run(async() =>
{
HasMoreItems = false;
State = ContentState.Loading;
uint resultCount = 0;
if (count < 10)
{
count = 50;
}
else if (count > 6000)
{
count = 6000;
}
var request = new GetFriendsRequest()
{
Count = count, Offset = _count, UserID = _userID
};
var response = await request.ExecuteAsync();
await CoreHelper.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (response.Error.ErrorType == VKErrors.None)
{
_totalCount = response.Response.Count;
resultCount = (uint)response.Response.Items.Count;
for (int i = 0; i < response.Response.Items.Count; i++)
{
Add(response.Response.Items[i]);
}
_count += count;
if (Count > 0)
{
State = ContentState.Normal;
HasMoreItems = _count < _totalCount;
}
else
{
State = ContentState.NoData;
}
}
else
{
State = ContentState.Error;
}
});
return new LoadMoreItemsResult {
Count = resultCount
};
}).AsAsyncOperation());
}
public async Task <List <FriendInfo> > GetFriendsAsync(string socialNetwork, ApiOptions options = null)
{
if (string.IsNullOrWhiteSpace(socialNetwork) == true)
{
throw new AppacitiveRuntimeException("Social network cannot be null or empty.");
}
var request = new GetFriendsRequest
{
UserId = this.Id,
SocialNetwork = socialNetwork
};
ApiOptions.Apply(request, options);
var response = await request.ExecuteAsync();
if (response.Status.IsSuccessful == false)
{
throw response.Status.ToFault();
}
return(response.Friends);
}
public async Task<List<FriendInfo>> GetFriendsAsync(string socialNetwork, ApiOptions options = null)
{
if (string.IsNullOrWhiteSpace(socialNetwork) == true)
throw new AppacitiveRuntimeException("Social network cannot be null or empty.");
var request = new GetFriendsRequest
{
UserId = this.Id,
SocialNetwork = socialNetwork
};
ApiOptions.Apply(request, options);
var response = await request.ExecuteAsync();
if (response.Status.IsSuccessful == false)
throw response.Status.ToFault();
return response.Friends;
}