private List <CandidateAlbumRelease> GetCandidates(LocalAlbumRelease localAlbumRelease, bool includeExisting)
{
// most general version, nothing has been specified.
// get all plausible artists, then all plausible albums, then get releases for each of these.
// check if it looks like VA.
if (TrackGroupingService.IsVariousArtists(localAlbumRelease.LocalTracks))
{
throw new NotImplementedException("Various artists not supported");
}
var candidateReleases = new List <CandidateAlbumRelease>();
var artistTag = MostCommon(localAlbumRelease.LocalTracks.Select(x => x.FileTrackInfo.ArtistTitle)) ?? "";
if (artistTag.IsNotNullOrWhiteSpace())
{
var possibleArtists = _artistService.GetCandidates(artistTag);
foreach (var artist in possibleArtists)
{
candidateReleases.AddRange(GetCandidatesByArtist(localAlbumRelease, artist, includeExisting));
}
}
return(candidateReleases);
}
private List <CandidateAlbumRelease> GetDbCandidates(LocalAlbumRelease localAlbumRelease, bool includeExisting)
{
// most general version, nothing has been specified.
// get all plausible artists, then all plausible albums, then get releases for each of these.
var candidateReleases = new List <CandidateAlbumRelease>();
// check if it looks like VA.
if (TrackGroupingService.IsVariousArtists(localAlbumRelease.LocalTracks))
{
var va = _artistService.FindById(DistanceCalculator.VariousArtistIds[0]);
if (va != null)
{
candidateReleases.AddRange(GetDbCandidatesByArtist(localAlbumRelease, va, includeExisting));
}
}
var artistTag = localAlbumRelease.LocalTracks.MostCommon(x => x.FileTrackInfo.ArtistTitle) ?? "";
if (artistTag.IsNotNullOrWhiteSpace())
{
var possibleArtists = _artistService.GetCandidates(artistTag);
foreach (var artist in possibleArtists)
{
candidateReleases.AddRange(GetDbCandidatesByArtist(localAlbumRelease, artist, includeExisting));
}
}
return(candidateReleases);
}
public List <CandidateAlbumRelease> GetRemoteCandidates(LocalAlbumRelease localAlbumRelease)
{
// Gets candidate album releases from the metadata server.
// Will eventually need adding locally if we find a match
var watch = System.Diagnostics.Stopwatch.StartNew();
List <Album> remoteAlbums;
var candidates = new List <CandidateAlbumRelease>();
var albumIds = localAlbumRelease.LocalTracks.Select(x => x.FileTrackInfo.AlbumMBId).Distinct().ToList();
var recordingIds = localAlbumRelease.LocalTracks.Where(x => x.AcoustIdResults != null).SelectMany(x => x.AcoustIdResults).Distinct().ToList();
try
{
if (albumIds.Count == 1 && albumIds[0].IsNotNullOrWhiteSpace())
{
// Use mbids in tags if set
remoteAlbums = _albumSearchService.SearchForNewAlbum($"mbid:{albumIds[0]}", null);
}
else if (recordingIds.Any())
{
// If fingerprints present use those
remoteAlbums = _albumSearchService.SearchForNewAlbumByRecordingIds(recordingIds);
}
else
{
// fall back to artist / album name search
string artistTag;
if (TrackGroupingService.IsVariousArtists(localAlbumRelease.LocalTracks))
{
artistTag = "Various Artists";
}
else
{
artistTag = localAlbumRelease.LocalTracks.MostCommon(x => x.FileTrackInfo.ArtistTitle) ?? "";
}
var albumTag = localAlbumRelease.LocalTracks.MostCommon(x => x.FileTrackInfo.AlbumTitle) ?? "";
if (artistTag.IsNullOrWhiteSpace() || albumTag.IsNullOrWhiteSpace())
{
return(candidates);
}
remoteAlbums = _albumSearchService.SearchForNewAlbum(albumTag, artistTag);
}
}
catch (SkyHookException e)
{
_logger.Info(e, "Skipping album due to SkyHook error");
remoteAlbums = new List <Album>();
}
foreach (var album in remoteAlbums)
{
// We have to make sure various bits and pieces are populated that are normally handled
// by a database lazy load
foreach (var release in album.AlbumReleases.Value)
{
release.Album = album;
candidates.Add(new CandidateAlbumRelease
{
AlbumRelease = release,
ExistingTracks = new List <TrackFile>()
});
}
}
watch.Stop();
_logger.Debug($"Getting {candidates.Count} remote candidates from tags for {localAlbumRelease.LocalTracks.Count} tracks took {watch.ElapsedMilliseconds}ms");
return(candidates);
}
