private async Task <Unit> PerformScan(RequestParameters parameters)
{
(LocalLibrary localLibrary, string ffprobePath, bool forceScan) = parameters;
var lastScan = new DateTimeOffset(localLibrary.LastScan ?? DateTime.MinValue, TimeSpan.Zero);
if (forceScan || lastScan < DateTimeOffset.Now - TimeSpan.FromHours(6))
{
foreach (LibraryPath libraryPath in localLibrary.Paths)
{
switch (localLibrary.MediaKind)
{
case LibraryMediaKind.Movies:
await _movieFolderScanner.ScanFolder(libraryPath, ffprobePath);
break;
case LibraryMediaKind.Shows:
await _televisionFolderScanner.ScanFolder(libraryPath, ffprobePath);
break;
}
}
localLibrary.LastScan = DateTime.UtcNow;
await _libraryRepository.UpdateLastScan(localLibrary);
}
else
{
_logger.LogDebug(
"Skipping unforced scan of library {Name}",
localLibrary.Name);
}
_entityLocker.UnlockLibrary(localLibrary.Id);
return(Unit.Default);
}
private async Task <Unit> PerformScan(RequestParameters parameters, CancellationToken cancellationToken)
{
(LocalLibrary localLibrary, string ffprobePath, string ffmpegPath, bool forceScan,
int libraryRefreshInterval) = parameters;
try
{
var sw = new Stopwatch();
sw.Start();
var scanned = false;
for (var i = 0; i < localLibrary.Paths.Count; i++)
{
LibraryPath libraryPath = localLibrary.Paths[i];
decimal progressMin = (decimal)i / localLibrary.Paths.Count;
decimal progressMax = (decimal)(i + 1) / localLibrary.Paths.Count;
var lastScan = new DateTimeOffset(libraryPath.LastScan ?? SystemTime.MinValueUtc, TimeSpan.Zero);
DateTimeOffset nextScan = lastScan + TimeSpan.FromHours(libraryRefreshInterval);
if (forceScan || nextScan < DateTimeOffset.Now)
{
scanned = true;
Either <BaseError, Unit> result = localLibrary.MediaKind switch
{
LibraryMediaKind.Movies =>
await _movieFolderScanner.ScanFolder(
libraryPath,
ffmpegPath,
ffprobePath,
progressMin,
progressMax,
cancellationToken),
LibraryMediaKind.Shows =>
await _televisionFolderScanner.ScanFolder(
libraryPath,
ffmpegPath,
ffprobePath,
progressMin,
progressMax,
cancellationToken),
LibraryMediaKind.MusicVideos =>
await _musicVideoFolderScanner.ScanFolder(
libraryPath,
ffmpegPath,
ffprobePath,
progressMin,
progressMax,
cancellationToken),
LibraryMediaKind.OtherVideos =>
await _otherVideoFolderScanner.ScanFolder(
libraryPath,
ffmpegPath,
ffprobePath,
progressMin,
progressMax,
cancellationToken),
LibraryMediaKind.Songs =>
await _songFolderScanner.ScanFolder(
libraryPath,
ffprobePath,
ffmpegPath,
progressMin,
progressMax,
cancellationToken),
_ => Unit.Default
};
if (result.IsRight)
{
libraryPath.LastScan = DateTime.UtcNow;
await _libraryRepository.UpdateLastScan(libraryPath);
}
}
await _mediator.Publish(new LibraryScanProgress(libraryPath.LibraryId, progressMax), cancellationToken);
}
sw.Stop();
if (scanned)
{
_logger.LogDebug(
"Scan of library {Name} completed in {Duration}",
localLibrary.Name,
TimeSpan.FromMilliseconds(sw.ElapsedMilliseconds));
}
else
{
_logger.LogDebug(
"Skipping unforced scan of local media library {Name}",
localLibrary.Name);
}
await _mediator.Publish(new LibraryScanProgress(localLibrary.Id, 0), cancellationToken);
return(Unit.Default);
}
finally
{
_entityLocker.UnlockLibrary(localLibrary.Id);
}
}