private async Task <Unit> ScanSeasons(
LibraryPath libraryPath,
string ffprobePath,
Show show,
string showFolder)
{
foreach (string seasonFolder in _localFileSystem.ListSubdirectories(showFolder).Filter(ShouldIncludeFolder)
.OrderBy(identity))
{
Option <int> maybeSeasonNumber = SeasonNumberForFolder(seasonFolder);
await maybeSeasonNumber.IfSomeAsync(
async seasonNumber =>
{
Either <BaseError, Season> maybeSeason = await _televisionRepository
.GetOrAddSeason(show, libraryPath.Id, seasonNumber)
.BindT(season => UpdatePoster(season, seasonFolder));
await maybeSeason.Match(
season => ScanEpisodes(libraryPath, ffprobePath, season, seasonFolder),
_ => Task.FromResult(Unit.Default));
});
}
return(Unit.Default);
}
private async Task <Either <BaseError, Unit> > ScanSeasons(
LibraryPath libraryPath,
string ffmpegPath,
string ffprobePath,
Show show,
string showFolder,
CancellationToken cancellationToken)
{
foreach (string seasonFolder in _localFileSystem.ListSubdirectories(showFolder).Filter(ShouldIncludeFolder)
.OrderBy(identity))
{
if (cancellationToken.IsCancellationRequested)
{
return(new ScanCanceled());
}
string etag = FolderEtag.CalculateWithSubfolders(seasonFolder, _localFileSystem);
Option <LibraryFolder> knownFolder = libraryPath.LibraryFolders
.Filter(f => f.Path == seasonFolder)
.HeadOrNone();
// skip folder if etag matches
if (await knownFolder.Map(f => f.Etag ?? string.Empty).IfNoneAsync(string.Empty) == etag)
{
continue;
}
Option <int> maybeSeasonNumber = SeasonNumberForFolder(seasonFolder);
foreach (int seasonNumber in maybeSeasonNumber)
{
Either <BaseError, Season> maybeSeason = await _televisionRepository
.GetOrAddSeason(show, libraryPath.Id, seasonNumber)
.BindT(EnsureMetadataExists)
.BindT(season => UpdatePoster(season, seasonFolder, cancellationToken));
foreach (BaseError error in maybeSeason.LeftToSeq())
{
_logger.LogWarning(
"Error processing season in folder {Folder}: {Error}",
seasonFolder,
error.Value);
}
foreach (Season season in maybeSeason.RightToSeq())
{
Either <BaseError, Unit> scanResult = await ScanEpisodes(
libraryPath,
ffmpegPath,
ffprobePath,
season,
seasonFolder,
cancellationToken);
foreach (ScanCanceled error in scanResult.LeftToSeq().OfType <ScanCanceled>())
{
return(error);
}
await _libraryRepository.SetEtag(libraryPath, knownFolder, seasonFolder, etag);
season.Show = show;
await _searchIndex.UpdateItems(_searchRepository, new List <MediaItem> {
season
});
}
}
}
return(Unit.Default);
}
