public void Start()
{
if (!CanStart)
{
return;
}
IsActive = true;
IsSuccessful = false;
IsCanceled = false;
IsFailed = false;
Task.Run(async() =>
{
// Create cancellation token source
_cancellationTokenSource = new CancellationTokenSource();
// Create progress operation
ProgressOperation = ProgressManager.CreateOperation();
try
{
// If download option is not set - get the best download option
if (DownloadOption == null)
{
DownloadOption = await _downloadService.GetBestDownloadOptionAsync(Video.Id, Format);
}
await _downloadService.DownloadVideoAsync(DownloadOption, FilePath, ProgressOperation, _cancellationTokenSource.Token);
if (_settingsService.ShouldInjectTags)
{
await _taggingService.InjectTagsAsync(Video, Format, FilePath, _cancellationTokenSource.Token);
}
if (SubtitleOption != null && SubtitleOption.ClosedCaptionTrackInfos.Any())
{
await _downloadService.DownloadSubtitleAsync(SubtitleOption, FilePath);
}
IsSuccessful = true;
}
catch (OperationCanceledException)
{
IsCanceled = true;
}
catch (Exception ex)
{
IsFailed = true;
FailReason = ex.Message;
}
finally
{
IsActive = false;
_cancellationTokenSource.Dispose();
ProgressOperation.Dispose();
}
});
}
public void Start()
{
if (!CanStart)
{
return;
}
IsActive = true;
IsSuccessful = false;
IsCanceled = false;
IsFailed = false;
Task.Run(async() =>
{
// Create cancellation token source
_cancellationTokenSource = new CancellationTokenSource();
// Create progress operation
ProgressOperation = ProgressManager.CreateOperation();
try
{
// daca nu sunt setate obtiuni de descarcare se foloseste setarea de baza
// descarca video
if (DownloadOption == null)
{
DownloadOption = await _downloadService.GetBestDownloadOptionAsync(Video.Id, Format);
}
await _downloadService.DownloadVideoAsync(DownloadOption, FilePath, ProgressOperation, _cancellationTokenSource.Token);
if (_settingsService.ShouldInjectTags)
{
await _taggingService.InjectTagsAsync(Video, Format, FilePath, _cancellationTokenSource.Token);
}
IsSuccessful = true;
}
catch (OperationCanceledException)
{
IsCanceled = true;
}
catch (Exception ex)
{
IsFailed = true;
FailReason = ex.Message;
}
finally
{
IsActive = false;
_cancellationTokenSource.Dispose();
ProgressOperation.Dispose();
}
});
}
/// <summary>
/// Runs an operation asynchronously, with optional progress bar.
/// </summary>
/// <param name="operation"></param>
/// <param name="showProgressWindow"></param>
/// <returns></returns>
static public async Task RunOperationAsync(ProgressOperation operation)
{
try {
await Task.Run((Action)operation.Run);
} catch (Exception e) {
Log(e.ToString());
} finally {
operation.Dispose();
}
} // RunOperationAsync()
public void ProgressOperation_Report_Disposed_Test()
{
// Create operation
var operation = new ProgressOperation();
// Report completion
operation.Dispose();
// It shouldn't be possible to report progress anymore
Assert.Throws <InvalidOperationException>(() => operation.Report(0.5));
}
public void Start()
{
if (!CanStart)
{
return;
}
Task.Run(async() =>
{
// Create cancellation token source
_cancellationTokenSource = new CancellationTokenSource();
// Create progress operation
ProgressOperation = ProgressManager.CreateOperation();
try
{
IsSuccessful = false;
IsCanceled = false;
IsFailed = false;
IsActive = true;
// If download option is not set - get the best download option
if (DownloadOption == null)
{
DownloadOption = await _downloadService.GetBestDownloadOptionAsync(Video.Id, Format);
}
// Download
await _downloadService.DownloadVideoAsync(DownloadOption, FilePath, ProgressOperation, _cancellationTokenSource.Token);
IsSuccessful = true;
}
catch (OperationCanceledException)
{
IsCanceled = true;
}
catch (Exception ex)
{
IsFailed = true;
FailReason = ex.Message;
}
finally
{
IsActive = false;
_cancellationTokenSource.Dispose();
ProgressOperation.Dispose();
}
});
}
public void ProgressOperation_Dispose_Test()
{
// Create operation
var operation = new ProgressOperation();
// Assert initial state
Assert.That(operation.IsCompleted, Is.False);
// Report completion
operation.Dispose();
// Assert final state
Assert.That(operation.IsCompleted, Is.True);
}
public void ProgressOperation_NotifyPropertyChanged_Test()
{
// Create operation
var operation = new ProgressOperation();
// Subscribe to event
var eventTriggerCount = 0;
operation.PropertyChanged += (sender, args) => eventTriggerCount++;
// Invoke changes
operation.Report(0.1);
operation.Report(0.3);
operation.Dispose();
// Assert that the event was triggered accordingly
Assert.That(eventTriggerCount, Is.GreaterThanOrEqualTo(3));
}
public void MarkAsCompleted()
{
_cancellationTokenSource.Dispose();
ProgressOperation.Dispose();
IsCompleted = true;
}
public void Start()
{
if (!CanStart)
{
return;
}
IsActive = true;
IsSuccessful = false;
IsCanceled = false;
IsFailed = false;
Task.Run(async() =>
{
_cancellationTokenSource = new CancellationTokenSource();
ProgressOperation = ProgressManager?.CreateOperation();
try
{
// If download option is not set - get the best download option
VideoOption ??= await _downloadService.TryGetBestVideoDownloadOptionAsync(
Video.Id,
Format,
QualityPreference
);
// It's possible that video has no streams
if (VideoOption == null)
{
throw new InvalidOperationException($"Video '{Video.Id}' contains no streams.");
}
await _downloadService.DownloadAsync(
VideoOption,
SubtitleOption,
FilePath,
ProgressOperation,
_cancellationTokenSource.Token
);
if (_settingsService.ShouldInjectTags)
{
await _taggingService.InjectTagsAsync(
Video,
Format,
FilePath,
_cancellationTokenSource.Token
);
}
IsSuccessful = true;
}
catch (OperationCanceledException)
{
IsCanceled = true;
}
catch (Exception ex)
{
IsFailed = true;
// Short error message for expected errors, full for unexpected
FailReason = ex is YoutubeExplodeException
? ex.Message
: ex.ToString();
}
finally
{
IsActive = false;
_cancellationTokenSource?.Dispose();
_cancellationTokenSource = null;
ProgressOperation?.Dispose();
}
});
}