private async Task StartPlaylistGeneration()
{
const int tracksPerPlaylist = 9900;
var paginator = new SimplePaginatorWithDelay(100);
var authenticator = this.spotifyAuthorization.GetAuthenticator();
var spotifyClient = new SpotifyClient(SpotifyClientConfig.CreateDefault().WithAuthenticator(authenticator));
var profile = await spotifyClient.UserProfile.Current();
var albums = this.GetAlbums().OrderBy(a => a.Artist).ThenBy(a => a.Album).ToList();
var cachedAlbums = this.GetCachedAlbums();
List <string> trackUris = new List <string>();
int counter = 0;
var cachedAlbumsInLibrary = cachedAlbums.Where(ca => albums.Select(a => a.Id).Contains(ca.Id));
trackUris.AddRange(cachedAlbumsInLibrary.SelectMany(ca => ca.TrackUris));
var albumsNotInCache = albums.Where(a => !cachedAlbums.Any(ca => ca.Id == a.Id)).ToList();
foreach (var album in albumsNotInCache)
{
Console.WriteLine($"Processing {++counter}/{albumsNotInCache.Count}: {album.Artist} - {album.Album}");
var albumTrackUris = (await spotifyClient.PaginateAll(await spotifyClient.Albums.GetTracks(album.Id).ConfigureAwait(false), paginator)).Select(at => at.Uri).ToList();
trackUris.AddRange(albumTrackUris);
cachedAlbums.Add(new AlbumWithTracks {
Id = album.Id, TrackUris = albumTrackUris
});
Thread.Sleep(100);
}
this.SaveCachedAlbums(cachedAlbums);
int playlistCounter = 1;
var blacklistHelper = new TrackBlacklistHelper();
trackUris = trackUris.Except(blacklistHelper.GetBlacklist()).ToList();
while (trackUris.Any())
{
string playlistId = await GetPlaylistId(string.Format(Constants.PlaylistName, playlistCounter++), paginator, spotifyClient, profile).ConfigureAwait(false);
await AddTracksToPlaylist(spotifyClient, playlistId, trackUris.Take(tracksPerPlaylist).ToList());
trackUris.RemoveRange(0, Math.Min(tracksPerPlaylist, trackUris.Count));
}
}
private static async Task <string> GetPlaylistId(string playlistName, SimplePaginatorWithDelay paginator, SpotifyClient spotifyClient, PrivateUser profile)
{
var playlists = await spotifyClient.PaginateAll(await spotifyClient.Playlists.GetUsers(profile.Id).ConfigureAwait(false), paginator);
var playlist = playlists.FirstOrDefault(pl => pl.Name == playlistName);
FullPlaylist createdPlaylist = null;
if (playlist == null)
{
createdPlaylist = await spotifyClient.Playlists.Create(profile.Id, new PlaylistCreateRequest(playlistName));
}
string playlistId = playlist?.Id ?? createdPlaylist?.Id;
return(playlistId);
}
