public MediaItemViewModel(MediaListViewModel listViewModel, LocalMusicModel mediaItem)
{
this.listViewModel = listViewModel;
MediaItem = mediaItem;
RaisePropertyChanged("Title");
// This app caches all images by loading the WriteableBitmap
// when the item is created, but production apps would
// use a more resource friendly paging mechanism or
// just use PreviewImageUri directly.
//
// The reason we cache here is to avoid audio gaps
// between tracks on transitions when changing artwork.
PreviewImage = mediaItem.Image;
}
private void buildLocalMusicAlbumArtistModels()
{
foreach (var song in Service.Library.Musics)
{
var music = new LocalMusicModel
{
Music = song,
Image = Service.Library.Thumbnails.Where(t => t.Id == song.ThumbnailId).FirstOrDefault().Image
};
Musics.Add(music);
var privilegedArtist = "";
if (song.AlbumArtist != UNKNOWN_ARTIST)
{
privilegedArtist = song.AlbumArtist;
}
else if (song.Artist != UNKNOWN_ARTIST)
{
privilegedArtist = song.Artist;
}
else
{
privilegedArtist = UNKNOWN_ARTIST;
}
var album = Albums.Where(a => a.Title == song.AlbumTitle && a.AlbumArtist == privilegedArtist).FirstOrDefault();
if (album == null)
{
album = new LocalAlbumModel
{
Title = song.AlbumTitle,
AlbumArtist = privilegedArtist,
Image = Service.Library.Thumbnails.Where(t => t.Id == music.Music.ThumbnailId).FirstOrDefault().Image,
Year = song.Year
};
album.Musics.Add(music);
Albums.Add(album);
}
else
{
album.Musics.Add(music);
}
var artist = Artists.Where(a => a.Name == privilegedArtist).FirstOrDefault();
if (artist == null)
{
artist = new LocalArtistModel
{
Name = privilegedArtist
};
artist.Albums.Add(album);
artist.Musics.Add(music);
Artists.Add(artist);
}
else
{
if (!artist.Albums.Contains(album))
{
artist.Albums.Add(album);
artist.Musics.Add(music);
}
else
{
artist.Musics.Add(music);
}
}
}
}
