feat: add richThumbnails (animated thumbnails) to related videos (#850)

* Add rich thumbnail (animated thumbnail) to related videos

* Optimizations, corrected tests, added richThumbnail to refresh.js

* Properly check for richThumbnails

Author: Aasim-A

lib/info-extras.js

@@ -193,6 +193,9 @@ exports.getRelatedVideos = info => {
             Math.floor(parseTimestamp(getText(details.lengthText)) / 1000) :
             rvsParams && `${rvsParams.length_seconds}`,
           thumbnails: details.thumbnail.thumbnails,
+          richThumbnails:
+            details.richThumbnail ?
+              details.richThumbnail.movingThumbnailRenderer.movingThumbnailDetails.thumbnails : [],
           isLive: !!(details.badges && details.badges.find(b => b.metadataBadgeRenderer.label === 'LIVE NOW')),
         };
 

lib/info.js

@@ -43,6 +43,12 @@ const AGE_RESTRICTED_URLS = [
 */
 exports.getBasicInfo = async(id, options) => {
   const retryOptions = Object.assign({}, miniget.defaultOptions, options.requestOptions);
+  options.requestOptions = Object.assign({}, options.requestOptions, {});
+  options.requestOptions.headers = Object.assign({},
+    {
+      // eslint-disable-next-line max-len
+      'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Safari/537.36',
+    }, options.requestOptions.headers);
   const validate = info => {
     let playErr = utils.playError(info.player_response, ['ERROR'], UnrecoverableError);
     let privateErr = privateVideoError(info.player_response);

test/basic-info-test.js

@@ -3,6 +3,8 @@ const assert = require('assert-diff');
 const nock = require('./nock');
 const miniget = require('miniget');
 
+const DEFAULT_USER_AGENT =
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Safari/537.36';
 
 describe('ytdl.getBasicInfo()', () => {
   let minigetDefaults = miniget.defaultOptions;
@@ -83,6 +85,40 @@ describe('ytdl.getBasicInfo()', () => {
         assert.strictEqual(info2, info1);
       });
     });
+
+    describe('With user-agent header', () => {
+      it('Uses default user-agent if no user-agent is provided', async() => {
+        const id = '_HSylqgVYQI';
+        const scope = nock(id, 'rich-thumbnails', {
+          headers: {
+            'User-Agent': DEFAULT_USER_AGENT,
+          },
+          watchHtml: false,
+          player: false,
+        });
+        await ytdl.getBasicInfo(id);
+        scope.done();
+      });
+
+      it('Uses provided user-agent instead of default', async() => {
+        const id = '_HSylqgVYQI';
+        const scope = nock(id, 'regular', {
+          headers: {
+            'User-Agent': 'yay',
+          },
+          watchHtml: false,
+          player: false,
+        });
+        await ytdl.getBasicInfo(id, {
+          requestOptions: {
+            headers: {
+              'User-Agent': 'yay',
+            },
+          },
+        });
+        scope.done();
+      });
+    });
   });
 
   describe('From a live video', () => {

test/files/refresh.js

@@ -89,6 +89,13 @@ const videos = [
     type: 'no-likes-or-dislikes',
     skip: ['get_video_info', /player/],
   },
+  {
+    id: '_HSylqgVYQI',
+    type: 'rich-thumbnails',
+    basicInfo: true,
+    saveInfo: true,
+    skip: ['watch.html', /player/],
+  },
   {
     id: 'z2jeHsa0UG0',
     type: 'private',