/// <summary>
/// Get the collection of tracks which comprise an album
/// </summary>
/// <param name="albumId"></param>
/// <returns></returns>
public static TrackData[] GetTracksByAlbumId(
string albumId)
{
AlbumData album = AlbumList.GetById(albumId);
return(album == null ? null : album.Tracks);
}
/// <summary>
/// For all tracks in all albums, build the albumsByArtistId, albumsByInitialLetter, artistsByInitialLetter and artistIdByName indexes
/// </summary>
private static void BuildIndexByArtist()
{
albumsByArtistId = new SortedDictionary <string, AlbumCollection>();
albumsByInitialLetter = new SortedDictionary <string, AlbumCollection>();
artistsByInitialLetter = new SortedDictionary <string, SortedDictionary <string, string> >();
artistIdByName = new SortedDictionary <string, string>();
foreach (var albumId in AlbumList.Keys)
{
var album = AlbumList.GetById(albumId);
if (!IsClassicalAlbum(album))
{
var track0 = album.Track0.Info;
var artistName = album.GetArtistName();
var albumName = track0.ContainsKey("Album") ? track0["Album"] : "?";
if (!string.IsNullOrEmpty(artistName) && !string.IsNullOrEmpty(albumName))
{
var initialArtistLetter = artistName.Substring(0, 1);
if (!artistsByInitialLetter.ContainsKey(initialArtistLetter))
{
artistsByInitialLetter[initialArtistLetter] = new SortedDictionary <string, string>();
}
artistsByInitialLetter[initialArtistLetter][artistName] = artistName;
var initialAlbumLetter = albumName.Substring(0, 1);
if (!albumsByInitialLetter.ContainsKey(initialAlbumLetter))
{
albumsByInitialLetter[initialAlbumLetter] = new AlbumCollection();
}
albumsByInitialLetter[initialAlbumLetter].Add(albumId, album);
string artistId;
if (!artistIdByName.ContainsKey(artistName))
{
artistId = track0["Key"];
albumsByArtistId[artistId] = new AlbumCollection();
artistIdByName[artistName] = artistId;
}
else
{
artistId = artistIdByName[artistName];
}
albumsByArtistId[artistId].Add(albumId, album);
}
}
}
}