/// <summary>
/// Called to process a group of songs belonging to the same album name ( but not necessarily the same artist )
/// </summary>
/// <param name="album"></param>
private async Task StoreAlbumAsync(ScannedAlbum album)
{
// Set the modified flag
LibraryModified = true;
Logger.Log(string.Format("Album: {0} Single artist: {1}", album.Name, album.SingleArtist));
// Get an existing or new Album entry for the songs
Album songAlbum = await GetAlbumToHoldSongsAsync(album);
// Keep track of Artist and ArtistAlbum entries in case they can be reused for different artists
ArtistAlbum songArtistAlbum = null;
Artist songArtist = null;
// Add all the songs in the album
foreach (ScannedSong songScanned in album.Songs)
{
// If there is no existing Artist entry or the current one if for the wrong Artist name then get or create a new one
if ((songArtist == null) || (songArtist.Name != songScanned.ArtistName))
{
// As this is a new Artist the ArtistAlbum needs to be re-initialised.
if (songArtistAlbum != null)
{
songArtistAlbum.Songs.Sort((a, b) => a.Track.CompareTo(b.Track));
}
songArtistAlbum = null;
// Find the Artist for this song
songArtist = await GetArtistToHoldSongsAsync(songScanned.ArtistName);
}
// If there is an existing ArtistAlbum then use it as it will be for the correct Artist, i.e. not cleared above
if (songArtistAlbum == null)
{
// Find an existing or create a new ArtistAlbum entry
songArtistAlbum = await GetArtistAlbumToHoldSongsAsync(songArtist, songAlbum);
}
// Add the song to the database, the album and the album artist
Song songToAdd = new() {
Title = songScanned.Tags.Title, Track = songScanned.Track, Path = songScanned.SourcePath,
ModifiedTime = songScanned.Modified, Length = songScanned.Length, AlbumId = songAlbum.Id, ArtistAlbumId = songArtistAlbum.Id,
SourceId = sourceBeingScanned.Id
};
// No need to wait for this
Songs.AddSongAsync(songToAdd);
Logger.Log(string.Format("Artist: {0} Title: {1} Track: {2} Modified: {3} Length {4} Year {5}", songScanned.Tags.Artist, songScanned.Tags.Title,
songScanned.Tags.Track, songScanned.Modified, songScanned.Length, songScanned.Year));
// Add to the Album
songAlbum.Songs.Add(songToAdd);
// Keep track whether or not to update the album
bool updateAlbum = false;
// Store the artist name with the album
if ((songAlbum.ArtistName == null) || (songAlbum.ArtistName.Length == 0))
{
songAlbum.ArtistName = songArtist.Name;
updateAlbum = true;
}
else
{
// The artist has already been stored - check if it is the same artist
if (songAlbum.ArtistName != songArtist.Name)
{
songAlbum.ArtistName = VariousArtistsString;
updateAlbum = true;
}
}
// Update the album year if not already set and this song has a year set
if ((songAlbum.Year != songScanned.Year) && (songAlbum.Year == 0))
{
songAlbum.Year = songScanned.Year;
updateAlbum = true;
}
// Update the album genre.
// Only try updating if a genre is defined for the song
// If the album does not have a genre then get one for the song and store it in the album
if ((songScanned.Tags.Genre.Length > 0) && (songAlbum.Genre.Length == 0))
{
songAlbum.Genre = songScanned.Tags.Genre;
updateAlbum = true;
}
if (updateAlbum == true)
{
await ConnectionDetailsModel.AsynchConnection.UpdateAsync(songAlbum);
}
// Add to the source
sourceBeingScanned.Songs.Add(songToAdd);
// Add to the ArtistAlbum
songArtistAlbum.Songs.Add(songToAdd);
}
if (songArtistAlbum != null)
{
songArtistAlbum.Songs.Sort((a, b) => a.Track.CompareTo(b.Track));
}
}
public void DisplayArtist(Artist artist) => Name.Text = artist.Name;
/// <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);
}
