Version 1.9.0-nullsafety.5

Implement channel about page.
#69

lib/src/channels/channel_client.dart

@@ -46,9 +46,11 @@ class ChannelClient {
   /// Gets the info found on a YouTube Channel About page.
   /// [id] must be either a [ChannelId] or a string
   /// which is parsed to a [ChannelId]
-  Future<ChannelAbout> getAboutPage(dynamic id) async {
-    id = ChannelId.fromString(id);
+  Future<ChannelAbout> getAboutPage(dynamic channelId) async {
+    channelId = ChannelId.fromString(channelId);
 
+    final aboutPage = await ChannelAboutPage.get(_httpClient, channelId.value);
+    final id = aboutPage.initialData;
     return ChannelAbout(
         id.description,
         id.viewCount,
@@ -56,7 +58,7 @@ class ChannelClient {
         id.title,
         [
           for (var e in id.avatar)
-            Thumbnail(Uri.parse(e.url), e.height, e.width)
+            Thumbnail(Uri.parse(e['url']), e['height'], e['width'])
         ],
         id.country,
         id.channelLinks);

lib/src/reverse_engineering/responses/channel_about_page.dart

@@ -76,7 +76,7 @@ class _InitialData {
         .get('contents')!
         .get('twoColumnBrowseResultsRenderer')!
         .getList('tabs')!
-        .elementAtSafe(5)!
+        .firstWhere((e) => e['tabRenderer']?['content'] != null)
         .get('tabRenderer')!
         .get('content')!
         .get('sectionListRenderer')!
@@ -126,7 +126,8 @@ class _InitialData {
   late final List<Map<String, dynamic>> avatar =
       content.get('avatar')!.getList('thumbnails')!;
 
-  String get country => content.get('country')!.getT<String>('simpleText')!;
+  late final String country =
+      content.get('country')!.getT<String>('simpleText')!;
 
   String parseRuns(List<dynamic>? runs) =>
       runs?.map((e) => e.text).join() ?? '';

lib/src/youtube_explode_base.dart

@@ -1,5 +1,7 @@
 library youtube_explode.base;
 
+import 'package:meta/meta.dart';
+
 import 'channels/channels.dart';
 import 'playlists/playlist_client.dart';
 import 'reverse_engineering/youtube_http_client.dart';
@@ -8,7 +10,8 @@ import 'videos/video_client.dart';
 
 /// Library entry point.
 class YoutubeExplode {
-  final YoutubeHttpClient _httpClient;
+  @visibleForTesting
+  final YoutubeHttpClient httpClient;
 
   /// Queries related to YouTube videos.
   late final VideoClient videos;
@@ -24,14 +27,14 @@ class YoutubeExplode {
 
   /// Initializes an instance of [YoutubeClient].
   YoutubeExplode([YoutubeHttpClient? httpClient])
-      : _httpClient = httpClient ?? YoutubeHttpClient() {
-    videos = VideoClient(_httpClient);
-    playlists = PlaylistClient(_httpClient);
-    channels = ChannelClient(_httpClient);
-    search = SearchClient(_httpClient);
+      : httpClient = httpClient ?? YoutubeHttpClient() {
+    videos = VideoClient(this.httpClient);
+    playlists = PlaylistClient(this.httpClient);
+    channels = ChannelClient(this.httpClient);
+    search = SearchClient(this.httpClient);
   }
 
   /// Closes the HttpClient assigned to this [YoutubeHttpClient].
   /// Should be called after this is not used anymore.
-  void close() => _httpClient.close();
+  void close() => httpClient.close();
 }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: youtube_explode_dart
 description: A port in dart of the youtube explode library. Supports several API functions without the need of Youtube API Key.
-version: 1.9.0-nullsafety.4
+version: 1.9.0-nullsafety.5
 
 homepage: https://github.com/Hexer10/youtube_explode_dart
 

test/channel_test.dart

@@ -72,4 +72,16 @@ void main() {
         .toList();
     expect(videos, hasLength(30));
   });
+
+  test('Get about page of a youtube', () async {
+    var aboutPage = await yt!.channels.getAboutPageByUsername(
+        'PewDiePie'); // or yt.channels.getAboutPage(channelId)
+    expect(aboutPage.title, 'PewDiePie');
+    expect(aboutPage.viewCount, greaterThanOrEqualTo(27123740560));
+    expect(aboutPage.description, isNotEmpty);
+    expect(aboutPage.thumbnails, isNotEmpty); // Avatar list
+    expect(aboutPage.channelLinks, isNotEmpty);
+    expect(aboutPage.country, 'United States');
+    expect(aboutPage.joinDate, 'Apr 29, 2010');
+  });
 }

test/playlist_test.dart

@@ -66,7 +66,7 @@ void main() {
   test('Get more than 100 videos in a playlist', () async {
     var videos = await yt!.playlists
         .getVideos(PlaylistId(
-        'https://www.youtube.com/playlist?list=PLCSusC_jlo14J0uBgFqfHsKu7gc5W2HyM'))
+            'https://www.youtube.com/playlist?list=PLCSusC_jlo14J0uBgFqfHsKu7gc5W2HyM'))
         .toList();
     expect(videos.length, greaterThan(100));
   });