/// <summary>
/// Duplicate the SongPlaylist in the specified library
/// </summary>
/// <param name="playlistToDuplicate"></param>
/// <returns></returns>
private static async void DuplicateSongPlaylistAsync(SongPlaylist playlistToDuplicate, int libraryId)
{
// Attempt to find matching songs for each SongPlaylistItem in the SongPlaylist
// Need to access the songs via the Sources associated with the Library
List <Source> sources = Sources.GetSourcesForLibrary(libraryId);
// Keep track of the matching songs
List <Song> songsToAdd = new();
foreach (SongPlaylistItem item in playlistToDuplicate.PlaylistItems)
{
Song matchingSong = null;
int sourceIndex = 0;
while ((matchingSong == null) && (sourceIndex < sources.Count))
{
// Get a list of all the songs with matching Titles in the source
List <Song> matchingTitles = Songs.GetSourceSongsWithName(sources[sourceIndex++].Id, item.Song.Title);
// Now for each song access the associated artist
int titleIndex = 0;
while ((matchingSong == null) && (titleIndex < matchingTitles.Count))
{
Artist nameCheck = Artists.GetArtistById(ArtistAlbums.GetArtistAlbumById(matchingTitles[titleIndex].ArtistAlbumId).ArtistId);
// Correct name?
if (nameCheck.Name == item.Artist.Name)
{
matchingSong = matchingTitles[titleIndex];
songsToAdd.Add(matchingSong);
// Make sure that the Artist is stored with the song
matchingSong.Artist = nameCheck;
}
titleIndex++;
}
}
}
// Only create the playlist if at least one of the songs was found
if (songsToAdd.Count > 0)
{
SongPlaylist duplicatedPlaylist = new() { Name = playlistToDuplicate.Name, LibraryId = libraryId };
// Wait for the playlist to be added as we're going to use its id
await Playlists.AddPlaylistAsync(duplicatedPlaylist);
// Add the songs to the new SongPlaylist.
duplicatedPlaylist.AddSongs(songsToAdd);
}
}
/// <summary>
/// Clear the data held by this model
/// </summary>
public static void ClearModel()
{
Artists.Clear();
UnfilteredArtists.Clear();
ArtistsAndAlbums.Clear();
LibraryId = -1;
FilterSelector.CurrentFilter = null;
FilteredAlbumsIds.Clear();
BaseModel.SortSelector.SetActiveSortOrder(SortSelector.SortType.alphabetic); // This also sets the sort order to alphabetic ascending
FastScrollSections = null;
FastScrollSectionLookup = null;
BaseModel.Clear();
}
/// <summary>
/// Get the PlaylistItems and associated songs for this playlist
/// </summary>
/// <param name="playlistItems"></param>
public void GetContents(IEnumerable <SongPlaylistItem> playlistItems)
{
// Get all the SongPlaylistItem entries associated with this SongPlaylist and then the Song entries for each of them
PlaylistItems.AddRange(playlistItems.Where(item => item.PlaylistId == Id));
foreach (SongPlaylistItem playlistItem in PlaylistItems)
{
playlistItem.Song = Songs.GetSongById(playlistItem.SongId);
playlistItem.Artist = Artists.GetArtistById(ArtistAlbums.GetArtistAlbumById(playlistItem.Song.ArtistAlbumId).ArtistId);
playlistItem.Song.Artist = playlistItem.Artist;
}
PlaylistItems.Sort((a, b) => a.Index.CompareTo(b.Index));
}
/// <summary>
/// Categorise the specified selected objects
/// </summary>
/// <param name="selectedObjects"></param>
public GroupedSelection(IEnumerable <object> selectedObjects)
{
// Save the unprocessed objects.
SelectedObjects = selectedObjects;
// Group the objects into sets of Song, PlaylistItem, IPlaylist, Artist, ArtistAlbum, Album and Genre (string) items
foreach (object selectedObject in selectedObjects)
{
if (selectedObject is Song song)
{
Songs.Add(song);
}
else if (selectedObject is PlaylistItem playlistItem)
{
PlaylistItems.Add(playlistItem);
}
else if (selectedObject is Playlist playlist)
{
Playlists.Add(playlist);
}
else if (selectedObject is Artist artist)
{
Artists.Add(artist);
}
else if (selectedObject is ArtistAlbum artistAlbum)
{
ArtistAlbums.Add(artistAlbum);
}
else if (selectedObject is Album album)
{
Albums.Add(album);
}
else if (selectedObject is string str)
{
Genres.Add(str);
}
}
// Determine if there is a parent playlist
if (PlaylistItems.Count > 0)
{
ParentPlaylist = DBTest.Playlists.GetParentPlaylist(PlaylistItems[0]);
}
}
/// <summary>
/// Clear the contents of the specified library
/// </summary>
/// <param name="libraryToClear"></param>
/// <returns></returns>
public static void ClearLibrary(Library libraryToClear)
{
int libId = libraryToClear.Id;
// Delete all the artists in the library and their associated ArtistAlbum entries
List <Artist> artists = Artists.ArtistCollection.Where(art => art.LibraryId == libId).ToList();
Artists.DeleteArtists(artists);
ArtistAlbums.DeleteArtistAlbums(
ArtistAlbums.ArtistAlbumCollection.Where(artAlb => artists.Any(art => art.Id == artAlb.ArtistId)).Distinct().ToList());
// Delete all the albums in the library and any tags associated with them
List <Album> albums = Albums.AlbumCollection.Where(alb => alb.LibraryId == libId).ToList();
Albums.DeleteAlbums(albums);
// We can use the FilterManagementController to carry out the Tag deletions.
new AlbumsDeletedMessage()
{
DeletedAlbumIds = albums.Select(alb => alb.Id).ToList()
}.Send();
// Delete all the user playlists and thier contents
Playlists.GetPlaylistsForLibrary(libId).ForEach(play => Playlists.DeletePlaylist(play));
// Delete the contents of the NowPlayingList but keep the playlist itself
Playlist nowPlaying = Playlists.GetNowPlayingPlaylist(libId);
nowPlaying.Clear();
nowPlaying.SongIndex = -1;
// Delete all the songs in each of the sources associated with the library
List <Source> sources = Sources.GetSourcesForLibrary(libId);
foreach (Source source in sources)
{
Songs.DeleteSongs(Songs.GetSourceSongs(source.Id));
source.Songs = null;
}
}
/// <summary>
/// Get an existing Artist or create a new one.
/// </summary>
/// <param name="artistName"></param>
/// <returns></returns>
private async Task <Artist> GetArtistToHoldSongsAsync(string artistName)
{
// Find the Artist for this song. The 'scanLibrary' can be used for this search as it is already fully populated with the
// artists
Artist songArtist = artistsInLibrary.GetValueOrDefault(artistName.ToUpper());
Logger.Log(string.Format("Artist: {0} {1}", artistName, (songArtist != null) ? "found" : "not found creating in db"));
if (songArtist == null)
{
// Create a new Artist and add it to the database
songArtist = new Artist()
{
Name = artistName, ArtistAlbums = new List <ArtistAlbum>(), LibraryId = scanLibrary
};
await Artists.AddArtistAsync(songArtist);
// Add it to the collection for this library only
artistsInLibrary[songArtist.Name.ToUpper()] = songArtist;
}
return(songArtist);
}
/// <summary>
/// Called to determine whether a song that has been scanned requires adding to the library, or just an existing entry updated
/// </summary>
/// <param name="song"></param>
/// <returns></returns>
private async Task <bool> DoesSongRequireAdding(ScannedSong song)
{
bool needsAdding = true;
// Lookup the path of this song in the dictionary
if ((songLookup.TryGetValue(song.SourcePath, out Song matchedSong) == true) && (matchedSong.ScanAction == Song.ScanActionType.Differ))
{
// The library is about to be changed in some way so set the modified flag
LibraryModified = true;
// Need to check whether the matched Artist or Album names have changed. If they have then treat this as a new song and mark
// the matched song for deletion
ArtistAlbum matchedArtistAlbum = ArtistAlbums.GetArtistAlbumById(matchedSong.ArtistAlbumId);
Artist matchedArtist = Artists.GetArtistById(matchedArtistAlbum.ArtistId);
// If the artist or album name has changed then treat this as a new song. Otherwise update the existing song in the library
if ((matchedArtist.Name.ToUpper() != song.ArtistName.ToUpper()) || (matchedArtistAlbum.Name.ToUpper() != song.Tags.Album.ToUpper()))
{
// The existing song needs to be deleted now.
// If the song is not deleted then there will be more than one associated with the same storage location.
// This is much less complicated than trying to move the existing song to a new Artist or Album
// If an Artist has been deleted due to this song deletion then remove it from the dictionary being used here
Artist deletedArtist = LibraryScanController.DeleteSong(matchedSong);
if (deletedArtist != null)
{
artistsInLibrary.Remove(deletedArtist.Name.ToUpper());
}
matchedSong.ScanAction = Song.ScanActionType.Matched;
}
else
{
// No need to add a new song, update the existing one
needsAdding = false;
matchedSong.Length = song.Length;
matchedSong.ModifiedTime = song.Modified;
matchedSong.Title = song.Tags.Title;
matchedSong.Track = song.Track;
await ConnectionDetailsModel.AsynchConnection.UpdateAsync(matchedSong);
// Check if the year or genre fields on the album needs updating
// Don't update the Album if it is a 'various artists' album as the these fields is not applicable
Album matchedAlbum = Albums.GetAlbumById(matchedArtistAlbum.AlbumId);
if (matchedAlbum.ArtistName != SongStorage.VariousArtistsString)
{
// Update the stored year if it is different to the artist year and the artist year is defined.
// Log when a valid year is overwritten by different year
if (matchedAlbum.Year != song.Year)
{
if (song.Year != 0)
{
matchedAlbum.Year = song.Year;
await ConnectionDetailsModel.AsynchConnection.UpdateAsync(matchedAlbum);
}
}
if (song.Tags.Genre.Length > 0)
{
// If this album does not already have a genre, or the genre has been changed then set it now
if ((matchedAlbum.Genre == null) || (matchedAlbum.Genre != song.Tags.Genre))
{
matchedAlbum.Genre = song.Tags.Genre;
await ConnectionDetailsModel.AsynchConnection.UpdateAsync(matchedAlbum);
}
}
}
}
}
return(needsAdding);
}