Esempio n. 1
0
        public override async Task ProcessInternal(long id, DirectoryInfo workDir, CancellationToken token, ILog log)
        {
            var vkPlaylists = await vkApiUtils.GetAllPagesAsync(vkApiUtils.Playlists(id), 200, token, log);

            log.Debug($"Audio: {vkPlaylists.Count} playlists");
            var expandTasks = vkPlaylists.Select(p => vkApiUtils.ExpandPlaylist(p, token, log));
            var playlists   = await Task.WhenAll(expandTasks);

            log.Debug($"Audio: {playlists.Sum(p => p.Audio.Count)} in {playlists.Length} playlists");

            var allAudios = await vkApiUtils.GetAllPagesAsync(vkApiUtils.Audios(id), long.MaxValue, token, log);

            var audioInPlaylists = playlists
                                   .SelectMany(p => p.Audio.Select(t => t.Id))
                                   .ToHashSet();
            var uniqueAudios = allAudios
                               .Where(a => !audioInPlaylists.Contains(a.Id.Value))
                               .ToList();
            var defaultPlaylist = new PlaylistWithAudio(uniqueAudios);

            log.Debug($"Audio: {allAudios.Count} total, {defaultPlaylist.Audio.Count} unique in default playlist");

            var allPlaylists = playlists.ToList();

            allPlaylists.Add(defaultPlaylist);

            var allTasks = allPlaylists
                           .OrderBy(p => p.Playlist.CreateTime)
                           .Select(p => playlistHandler.Process(p, workDir, token, log));
            await Task.WhenAll(allTasks);
        }