/// <summary>
/// Gets the metadata associated with the specified playlist.
/// </summary>
public async Task <Playlist> GetAsync(PlaylistId id)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id);
return(new Playlist(
id,
response.GetTitle(),
response.TryGetAuthor(),
response.TryGetDescription() ?? "", new Engagement(
response.TryGetViewCount() ?? 0,
response.TryGetLikeCount() ?? 0,
response.TryGetDislikeCount() ?? 0
)));
}
/// <summary>
/// Enumerates videos included in the specified playlist.
/// </summary>
public async IAsyncEnumerable <Video> GetVideosAsync(PlaylistId id)
{
var encounteredVideoIds = new HashSet <string>();
var index = 0;
while (true)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id, index);
var countDelta = 0;
foreach (var video in response.GetVideos())
{
var videoId = video.GetId();
// Skip already encountered videos
if (!encounteredVideoIds.Add(videoId))
{
continue;
}
yield return(new Video(
videoId,
video.GetTitle(),
video.GetAuthor(),
video.GetChannelId(),
video.GetUploadDate(),
video.GetDescription(),
video.GetDuration(),
new ThumbnailSet(videoId),
video.GetKeywords(),
new Engagement(
video.GetViewCount(),
video.GetLikeCount(),
video.GetDislikeCount()
)
));
countDelta++;
}
// Videos loop around, so break when we stop seeing new videos
if (countDelta <= 0)
{
break;
}
index += countDelta;
}
}
/// <summary>
/// Gets the metadata associated with the specified playlist.
/// </summary>
public async Task <Playlist> GetAsync(string id)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id);
var thumbnails = response
.GetVideos()
.FirstOrDefault()?
.GetId()
.Pipe(i => new ThumbnailSet(i));
return(new Playlist(
id,
response.GetTitle(),
response.TryGetAuthor(),
response.TryGetDescription() ?? "",
thumbnails));
}
/// <summary>
/// Enumerates videos included in the specified playlist.
/// </summary>
public async IAsyncEnumerable <PlaylistVideo> GetVideosAsync(PlaylistId id)
{
var encounteredVideoIds = new HashSet <string>();
var continuationToken = "";
while (true)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id, continuationToken);
foreach (var video in response.GetPlaylistVideos())
{
var videoId = video.GetId();
// Skip already encountered videos
if (!encounteredVideoIds.Add(videoId))
{
continue;
}
// Skip deleted videos
if (string.IsNullOrEmpty(video.GetChannelId()))
{
continue;
}
yield return(new PlaylistVideo(
videoId,
video.GetTitle(),
video.GetAuthor(),
video.GetChannelId(),
video.GetDescription(),
video.GetDuration(),
video.GetViewCount(),
new ThumbnailSet(videoId)
));
}
continuationToken = response.TryGetContinuationToken();
if (string.IsNullOrEmpty(continuationToken))
{
break;
}
}
}
/// <summary>
/// Gets the metadata associated with the specified playlist.
/// </summary>
public async Task <Playlist> GetAsync(PlaylistId id)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id);
var thumbnails = response
.GetVideos()
.FirstOrDefault()?
.GetId()
.Pipe(i => new ThumbnailSet(i));
return(new Playlist(
id,
response.GetTitle(),
response.TryGetAuthor(),
response.TryGetDescription() ?? "",
thumbnails,
new Engagement(
response.TryGetViewCount() ?? 0,
response.TryGetLikeCount() ?? 0,
response.TryGetDislikeCount() ?? 0
)));
}
private async Task <Video> GetVideoFromMixPlaylistAsync(VideoId id)
{
var playlistInfo = await PlaylistResponse.GetAsync(_httpClient, "RD" + id.Value);
var video = playlistInfo.GetVideos().First(x => x.GetId() == id.Value);
return(new Video(
id,
video.GetTitle(),
video.GetAuthor(),
video.GetChannelId(),
video.GetUploadDate(),
video.GetDescription(),
video.GetDuration(),
new ThumbnailSet(id),
video.GetKeywords(),
new Engagement(
video.GetViewCount(),
video.GetLikeCount(),
video.GetDislikeCount()
)
));
}
/// <summary>
/// Enumerates videos included in the specified playlist.
/// </summary>
public async IAsyncEnumerable <Video> GetVideosAsync(string id)
{
var encounteredstrings = new HashSet <string>();
var index = 0;
while (true)
{
var response = await PlaylistResponse.GetAsync(_httpClient, id, index);
var countDelta = 0;
foreach (var video in response.GetVideos())
{
var videoId = video.GetId();
// Skip already encountered videos
if (!encounteredstrings.Add(videoId))
{
continue;
}
//TODO
yield return(null);
countDelta++;
}
// Videos loop around, so break when we stop seeing new videos
if (countDelta <= 0)
{
break;
}
index += countDelta;
}
}