57 lines
2.0 KiB
Dart
57 lines
2.0 KiB
Dart
import '../extensions/helpers_extension.dart';
|
|
import '../playlists/playlists.dart';
|
|
import '../reverse_engineering/responses/responses.dart';
|
|
import '../reverse_engineering/youtube_http_client.dart';
|
|
import '../videos/video.dart';
|
|
import '../videos/video_id.dart';
|
|
import 'channel.dart';
|
|
import 'channel_id.dart';
|
|
import 'username.dart';
|
|
|
|
/// Queries related to YouTube channels.
|
|
class ChannelClient {
|
|
final YoutubeHttpClient _httpClient;
|
|
|
|
/// Initializes an instance of [ChannelClient]
|
|
ChannelClient(this._httpClient);
|
|
|
|
/// Gets the metadata associated with the specified channel.
|
|
/// [id] must be either a [ChannelId] or a string
|
|
/// which is parsed to a [ChannelId]
|
|
Future<Channel> get(dynamic id) async {
|
|
var channelPage = await ChannelPage.get(_httpClient, id.value);
|
|
|
|
return Channel(id, channelPage.channelTitle, channelPage.channelLogoUrl);
|
|
}
|
|
|
|
/// Gets the metadata associated with the channel of the specified user.
|
|
/// [username] must be either a [Username] or a string
|
|
/// which is parsed to a [Username]
|
|
Future<Channel> getByUsername(dynamic username) async {
|
|
username = Username.fromString(username);
|
|
|
|
var channelPage =
|
|
await ChannelPage.getByUsername(_httpClient, username.value);
|
|
return Channel(ChannelId(channelPage.channelId), channelPage.channelTitle,
|
|
channelPage.channelLogoUrl);
|
|
}
|
|
|
|
/// Gets the metadata associated with the channel
|
|
/// that uploaded the specified video.
|
|
Future<Channel> getByVideo(dynamic videoId) async {
|
|
videoId = VideoId.fromString(videoId);
|
|
var videoInfoResponse =
|
|
await VideoInfoResponse.get(_httpClient, videoId.value);
|
|
var playerResponse = videoInfoResponse.playerResponse;
|
|
|
|
var channelId = playerResponse.videoChannelId;
|
|
return get(ChannelId(channelId));
|
|
}
|
|
|
|
/// Enumerates videos uploaded by the specified channel.
|
|
Stream<Video> getUploads(ChannelId id) {
|
|
var playlistId = 'UU${id.value.substringAfter('UC')}';
|
|
return PlaylistClient(_httpClient).getVideos(PlaylistId(playlistId));
|
|
}
|
|
}
|