public async Task CheckIfSourceWorking()
{
IsChecking = true;
if (RssUrl != null)
{
IsWorking = await SourceDataService.IsSourceWorkingAsync(RssUrl.ToString());
}
IsChecking = false;
}
/// <summary>
/// Gets all the sources from the database and checks if they still works or not
/// </summary>
/// <param name="progress"></param>
/// <param name="ct"></param>
/// <returns>Task Type</returns>
public async Task LoadDataAsync(IProgress <int> progress, CancellationToken token)
{
IsLoadingData = true;
ProgressCurrent = 0;
Sources.Clear();
var sourcesDataList = await SourceDataService.GetSourcesDataAsync();
ProgressMax = sourcesDataList.Count();
int progressCount = 0;
foreach (var source in sourcesDataList)
{
if (token.IsCancellationRequested)
{
IsLoadingData = false;
TokenSource = new CancellationTokenSource();
return;
}
Sources.Add(source);
progress.Report(++progressCount);
}
RefreshSourcesCommand.OnCanExecuteChanged();
foreach (var item in Sources)
{
if (token.IsCancellationRequested)
{
IsLoadingData = false;
TokenSource = new CancellationTokenSource();
return;
}
try
{
item.IsChecking = true;
var task = await SourceDataService.IsSourceWorkingAsync(item.RssUrl.AbsoluteUri);
item.IsWorking = task.Item1;
item.LastBuildDate = task.Item2;
item.CurrentRssItemsCount = task.Item3;
// Saves latest build date and rss items count to source
await SourceDataService.UpdateSourceAsync(item);
}
catch (HttpRequestException ex)
{
if (ex.Message.StartsWith("Response status code does not indicate success: 403"))
{
item.ErrorMessage = "HttpRequestException403MessageDialog".GetLocalized();
}
else
{
item.ErrorMessage = "HttpRequestExceptionMessageDialog".GetLocalized();
}
Debug.WriteLine(ex);
item.IsError = true;
}
catch (XmlException ex)
{
item.ErrorMessage = "XmlExceptionMessageDialog".GetLocalized();
Debug.WriteLine(ex);
item.IsError = true;
}
catch (ArgumentNullException ex)
{
item.ErrorMessage = "SourcesViewModelSourceUrlNullExceptionMessageDialog".GetLocalized();
Debug.WriteLine(ex);
item.IsError = true;
}
catch (Exception ex)
{
item.ErrorMessage = "SourcesViewModelExceptionMessageDialog".GetLocalized();
Debug.WriteLine(ex);
item.IsError = true;
}
finally
{
item.IsChecking = false;
}
}
IsLoadingData = false;
}