public static Task <IList <WebPlaylistItem> > ProcessAsync(IOwinContext context, string playlistId, string filter, WebSortField?sort, WebSortOrder?order)
{
// get the playlist
PlaylistRawData playlistRawData = ServiceRegistration.Get <IMediaLibrary>().ExportPlaylist(Guid.Parse(playlistId));
IFilter searchFilter = new MediaItemIdFilter(playlistRawData.MediaItemIds);
IList <MediaItem> items = MediaLibraryAccess.Search(context, BasicNecessaryMIATypeIds, BasicOptionalMIATypeIds, searchFilter);
if (items.Count == 0)
{
return(System.Threading.Tasks.Task.FromResult <IList <WebPlaylistItem> >(new List <WebPlaylistItem>()));
}
var tracks = items.Select(item => MusicTrackBasic(item))
.Filter(filter);
// sort and filter
if (sort != null && order != null)
{
tracks = tracks.SortWebMusicTrackBasic(sort, order);
}
var output = tracks.Select(t => new WebPlaylistItem(t));
return(System.Threading.Tasks.Task.FromResult <IList <WebPlaylistItem> >(output.ToList()));
}
internal static void AssignArtists(IOwinContext context, IEnumerable <WebMusicTrackDetailed> tracks)
{
// assign artists
var searchFilter = new MediaItemIdFilter(tracks.SelectMany(t => t.ArtistId).Concat(tracks.Select(t => t.AlbumArtistId)).Select(s => Guid.Parse(s)).Distinct());
var artists = MediaLibraryAccess.Search(context, BaseMusicArtistBasic.BasicNecessaryMIATypeIds, BaseMusicArtistBasic.BasicOptionalMIATypeIds, searchFilter);
foreach (var track in tracks)
{
var albumArtist = artists.FirstOrDefault(a => a.MediaItemId.ToString() == track.AlbumArtistId);
if (albumArtist != null)
{
track.AlbumArtistObject = BaseMusicArtistBasic.MusicArtistBasic(albumArtist);
}
track.Artists = new List <WebMusicArtistBasic>();
foreach (var artistsId in track.ArtistId)
{
var artist = artists.FirstOrDefault(a => a.MediaItemId.ToString() == artistsId);
if (artist != null)
{
track.Artists.Add(BaseMusicArtistBasic.MusicArtistBasic(artist));
}
}
}
}
