private async Task <int> BindingContent(bool requireUpdate = false, string updateStatus = "đang cập nhật...")
{
try
{
int updated = 0;
this.SetProgressIndicator(true, updateStatus);
if (_pageNumber == 0)
{
_pageNumber = 1;
}
var feedId = _currentPublisher.FeedIds[_currentIndex];
if (requireUpdate && !NetworkInterface.GetIsNetworkAvailable())
{
Messenger.ShowToast("không có mạng...");
requireUpdate = false;
}
updated = await _viewModel.RefreshLatestData(feedId, _currentPublisher.Id, requireUpdate);
_feedManager.SetLastId <Guid>(feedId.ToString());
if (_viewModel.AllItemViewModels.Count == 0)
{
//this.SetProgressIndicator(false);
//Messenger.ShowToast("chưa có tin nào...", completedAction: () => this.BackToPreviousPage());
return(updated);
}
if (updated > 0)
{
_viewModel.PagedItemViewModels.Clear();
_pageNumber = 1;
}
_viewModel.LoadPage(_pageNumber, AppConfig.ShowUnreadItemOnly);
UpdateItemReadCount();
UpdateViewTitle();
this.llsItemList.ItemsSource = _viewModel.PagedItemViewModels;
CreateAppBar();
if (updated > 0)
{
llsItemList.ScrollToTop();
}
else
{
llsItemList.ScrollTo <string>(_lastItemId);
}
this.SetProgressIndicator(false);
return(updated);
}
catch (Exception ex)
{
throw ex;
}
}