/// <summary>
/// Gets the metadata associated with the specified channel.
/// </summary>
public async ValueTask <Channel> GetAsync(
ChannelId channelId,
CancellationToken cancellationToken = default)
{
var channelPage = await _controller.GetChannelPageAsync(channelId, cancellationToken);
var title =
channelPage.TryGetChannelTitle() ??
throw new YoutubeExplodeException("Could not extract channel title.");
var logoUrl =
channelPage.TryGetChannelLogoUrl() ??
throw new YoutubeExplodeException("Could not extract channel logo URL.");
return(new Channel(
channelId,
title,
CreateThumbnails(logoUrl)
));
}
/// <summary>
/// Enumerates videos uploaded by the specified channel.
/// </summary>
public IAsyncEnumerable <PlaylistVideo> GetUploadsAsync(ChannelId id)
{
var playlistId = "UU" + id.Value.SubstringAfter("UC");
return(new PlaylistClient(_httpClient).GetVideosAsync(playlistId));
}
/// <summary>
/// Initializes an instance of <see cref="Channel"/>.
/// </summary>
public Channel(ChannelId id, string title, IReadOnlyList <Thumbnail> thumbnails)
{
Id = id;
Title = title;
Thumbnails = thumbnails;
}