public static void Scan(PlayerSettings settings, bool forceUpdateIfAlreadyExists)
{
using (DAL.DALManager mgr = new DAL.DALManager(settings.DatabasePath))
{
foreach (var relPath in GetAllFiles(settings.RootDirectory, "").Reverse())
{
string absolutePath = System.IO.Path.Combine(settings.RootDirectory, relPath);
var track = mgr.GetTrackByFilename(relPath);
bool isNew = false;
if (track == null)
{
isNew = true;
track = new Objects.Track()
{
Filename = relPath,
AddedOn = DateTime.Now,
LikeStatus = LikeStatus.None,
NrPlayed = 0,
NrPlayedToEnd = 0,
LastPlayed = DateTime.MinValue
};
}
if (isNew || forceUpdateIfAlreadyExists)
{
UpdateTrackFromMP3Tag(absolutePath, track);
var albumName = track.Album + "";
if (string.IsNullOrEmpty(System.IO.Path.GetDirectoryName(relPath)))
{
// mp3s in the root, don't use album for these
albumName = "";
}
else
{
if (albumName == "")
{
albumName = new System.IO.DirectoryInfo(relPath).Parent.Name;
}
}
var album = mgr.GetAlbumByName(albumName);
if (album == null)
{
album = new Album()
{
Name = albumName,
// do not save art for empty album names
SmallCoverId = albumName == "" ? 0 : SaveSmallCoverForAlbum(settings.CoverDatabasePath, absolutePath)
};
mgr.Set <Album>(album);
}
track.AlbumId = album.Id;
Console.WriteLine($"Adding {relPath}");
mgr.Set <Track>(track);
}
}
// determine the artists of each album and update it
var albums = mgr.GetAll <Album>();
foreach (var album in albums)
{
if (!string.IsNullOrEmpty(album.Name))
{
var tracksOfAlbum = mgr.FindTracks("", Domain.Objects.Playlist.ALL_ID, album.Id, 0, int.MaxValue);
if (tracksOfAlbum.Count > 0)
{
var occurringArtists = tracksOfAlbum.GroupBy(t => t.Artists + "").ToDictionary(g => g.Key, g => g.Count());
var top3MostOccurring = occurringArtists.OrderByDescending(p => p.Value).Take(3).ToList();
// take the most occurring artist
if (top3MostOccurring[0].Key != album.Artists)
{
album.Artists = top3MostOccurring[0].Key;
mgr.Set(album);
}
}
}
}
}
}