private static async Task DoFetch(Random rng, IUserInfo userInfo, DownloadForm downloadWindow, CancellationToken cancellationToken)
{
List <IVideoInfo> videos = new List <IVideoInfo>();
while (true)
{
downloadWindow.AddStatusMessage("Fetching " + userInfo.ToString() + "...");
try {
FetchReturnValue fetchReturnValue;
int Offset = 0;
do
{
try {
await Task.Delay(rng.Next(55000, 95000), cancellationToken);
} catch (Exception) { }
if (cancellationToken.IsCancellationRequested)
{
break;
}
fetchReturnValue = await userInfo.Fetch(Offset, true);
Offset += fetchReturnValue.VideoCountThisFetch;
if (fetchReturnValue.Success)
{
videos.AddRange(fetchReturnValue.Videos);
}
} while (fetchReturnValue.Success && fetchReturnValue.HasMore);
break;
} catch (Exception ex) {
downloadWindow.AddStatusMessage("Error during " + userInfo.ToString() + ": " + ex.ToString());
break;
}
}
if (!cancellationToken.IsCancellationRequested)
{
try {
await Task.Delay(rng.Next(55000, 95000), cancellationToken);
} catch (Exception) { }
}
downloadWindow.AddStatusMessage("Fetched " + videos.Count + " items from " + userInfo.ToString() + ".");
DownloadFetched(videos, downloadWindow);
}
private static async Task <FetchReturnValue> Fetch(IUserInfo userInfo, int offset, bool flat)
{
FetchReturnValue frv = await userInfo.Fetch(offset, flat);
userInfo.LastRefreshedOn = DateTime.UtcNow;
if (!frv.Success)
{
return(frv);
}
if (userInfo.Persistable)
{
UserInfoPersister.AddOrUpdate(userInfo);
UserInfoPersister.Save();
}
return(frv);
}