/// <summary>
/// Attempts to download a song to the specified <see cref="DownloadContainer"/>.
/// </summary>
/// <param name="downloadContainer">Target container for the download.</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <DownloadResult> DownloadSongAsync(DownloadContainer downloadContainer, CancellationToken cancellationToken)
{
string?stringForUri = null;
Uri downloadUri;
try
{
if (SongHash != null && SongHash.Length > 0)
{
stringForUri = BeatSaverHashDownloadUrlBase + SongHash.ToLower();
}
else if (SongKey != null && SongKey.Length > 0)
{
stringForUri = BeatSaverKeyDownloadUrlBase + SongKey.ToLower();
}
else
{
return(new DownloadResult(null, DownloadResultStatus.InvalidRequest, 0,
"No SongHash or SongKey provided to the DownloadJob.",
new InvalidOperationException($"No SongHash or SongKey provided to the DownloadJob")));
}
downloadUri = new Uri(stringForUri);
}
catch (FormatException ex)
{
return(new DownloadResult(null, DownloadResultStatus.InvalidRequest, 0, $"Could not create a valid Uri from '{stringForUri}'.", ex));
}
DownloadResult result = await FileIO.DownloadFileAsync(downloadUri, downloadContainer, cancellationToken).ConfigureAwait(false);
return(result);
}
public async Task <DownloadResult> RunAsync(CancellationToken cancellationToken)
{
_runCancellationToken = cancellationToken;
Status = DownloadJobStatus.Downloading;
try
{
cancellationToken.ThrowIfCancellationRequested();
if (Paused)
{
Status = DownloadJobStatus.Paused;
await WaitUntil(() => !Paused, cancellationToken).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
Status = DownloadJobStatus.Downloading;
}
EventHandler <DownloadJobStartedEventArgs> jobStartedHandler = JobStarted;
jobStartedHandler?.Invoke(this, new DownloadJobStartedEventArgs(SongHash, SongKey, SongName, LevelAuthorName));
_downloadResult = await DownloadSongAsync(_downloadContainer, cancellationToken).ConfigureAwait(false);
if (_downloadResult.Exception != null)
{
throw _downloadResult.Exception;
}
}
catch (OperationCanceledException ex)
{
return(await FinishJob(ex).ConfigureAwait(false));
}
catch (Exception ex)
{
string message = $"Error in DownloadJob.RunAsync: {ex.Message}";
Logger.log?.Warn(message);
Logger.log?.Debug(ex.StackTrace);
if (_downloadResult == null)
{
_downloadResult = new DownloadResult(null, DownloadResultStatus.Unknown, 0, message, ex);
}
return(await FinishJob(ex).ConfigureAwait(false));
}
// Finish
return(await FinishJob().ConfigureAwait(false));
}
public DownloadJobFinishedEventArgs(string songHash, DownloadResult jobResult)
{
SongHash = songHash;
DownloadResult = jobResult.Status;
DownloadContainer = jobResult?.DownloadContainer;
}
