/// <summary>
/// Gets the metadata associated with the specified video.
/// </summary>
public async ValueTask <Video> GetAsync(
VideoId videoId,
CancellationToken cancellationToken = default)
{
var watchPage = await _controller.GetVideoWatchPageAsync(videoId, cancellationToken);
var playerResponse =
watchPage.TryGetPlayerResponse() ??
await _controller.GetPlayerResponseAsync(videoId, cancellationToken);
var title =
playerResponse.TryGetVideoTitle() ??
throw new YoutubeExplodeException("Could not extract video title.");
var channelTitle =
playerResponse.TryGetVideoAuthor() ??
throw new YoutubeExplodeException("Could not extract video author.");
var channelId =
playerResponse.TryGetVideoChannelId() ??
throw new YoutubeExplodeException("Could not extract video channel ID.");
var uploadDate =
playerResponse.TryGetVideoUploadDate() ??
throw new YoutubeExplodeException("Could not extract video upload date.");
var description = playerResponse.TryGetVideoDescription() ?? "";
var duration = playerResponse.TryGetVideoDuration();
var thumbnails = playerResponse
.GetVideoThumbnails()
.Select(t =>
{
var thumbnailUrl =
t.TryGetUrl() ??
throw new YoutubeExplodeException("Could not extract thumbnail URL.");
var thumbnailWidth =
t.TryGetWidth() ??
throw new YoutubeExplodeException("Could not extract thumbnail width.");
var thumbnailHeight =
t.TryGetHeight() ??
throw new YoutubeExplodeException("Could not extract thumbnail height.");
var thumbnailResolution = new Resolution(thumbnailWidth, thumbnailHeight);
return(new Thumbnail(thumbnailUrl, thumbnailResolution));
})
.Concat(Thumbnail.GetDefaultSet(videoId))
.ToArray();
var keywords = playerResponse.GetVideoKeywords();
// Engagement statistics may be hidden
var viewCount = playerResponse.TryGetVideoViewCount() ?? 0;
var likeCount = watchPage.TryGetVideoLikeCount() ?? 0;
var dislikeCount = watchPage.TryGetVideoDislikeCount() ?? 0;
return(new Video(
videoId,
title,
new Author(channelId, channelTitle),
uploadDate,
description,
duration,
thumbnails,
keywords,
new Engagement(viewCount, likeCount, dislikeCount)
));
}