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Fix #113: Add the ability to retrieve Saved playlists of a YouTube …
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…channel `PLAYLISTS` tab
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@Benjamin-Loison
Benjamin-Loison committed Jan 7, 2023
1 parent 38b22bb commit 0fc0dc4
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Showing 2 changed files with 105 additions and 2 deletions.
105 changes: 104 additions & 1 deletion channels.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@

include_once 'common.php';

$realOptions = ['status', 'premieres', 'shorts', 'community', 'channels', 'about', 'approval'];
$realOptions = ['status', 'premieres', 'shorts', 'community', 'channels', 'about', 'approval', 'playlists'];

// really necessary ?
foreach ($realOptions as $realOption) {
Expand Down Expand Up @@ -318,6 +318,109 @@ function getItem($id, $continuationToken)
$item['approval'] = doesPathExist($result, $badgeTooltipPath) ? getValue($result, $badgeTooltipPath) : '';
}

if ($options['playlists']) {
if (!$continuationTokenProvided) {
$http = [
'header' => [
'Accept-Language: en',
]
];
$httpOptions = [
'http' => $http
];
$result = getJSONFromHTML("https://www.youtube.com/channel/$id/playlists", $httpOptions);

$tabs = $result['contents']['twoColumnBrowseResultsRenderer']['tabs'];
$path = 'tabRenderer/content/sectionListRenderer/contents';
foreach (array_slice($tabs, 1, 3) as $tab) {
if (doesPathExist($tab, $path)) {
$content = end(getValue($tab, $path))['itemSectionRenderer']['contents'][0];
if (array_key_exists('shelfRenderer', $content)) {
$content = $content['shelfRenderer']['content'];
$content = array_key_exists('horizontalListRenderer', $content) ? $content['horizontalListRenderer'] : $content['expandedShelfContentsRenderer'];
} else {
$content = $content['gridRenderer'];
}
$items = $content['items'];
}
}
} else {
$rawData = '{"context":{"client":{"clientName":"WEB","clientVersion":"' . MUSIC_VERSION . '"}},"continuation":"' . $continuationToken . '"}';
$http = [
'header' => [
'Content-Type: application/json'
],
'method' => 'POST',
'content' => $rawData
];

$httpOptions = [
'http' => $http
];

$result = getJSON('https://www.youtube.com/youtubei/v1/browse?key=' . UI_KEY, $httpOptions);
$items = $result['onResponseReceivedActions'][0]['appendContinuationItemsAction']['continuationItems'];
}

function getVideoFromItsThumbnails($videoThumbnails) {
$videoThumbnails = $videoThumbnails['thumbnails'];
$videoThumbnails[0]['url'] = explode('?', $videoThumbnails[0]['url'])[0];
$videoId = substr($videoThumbnails[0]['url'], 23, 11);
return [
'id' => $videoId,
'thumbnails' => $videoThumbnails
];
}

// Note that empty playlists aren't listed at all.
$savedPlaylists = [];
// Note that if there is a `Created playlist`, then there isn't any pagination mechanism on YouTube UI.
$MAXIMAL_ITEMS_COUNT = 30;
if (count($items) > $MAXIMAL_ITEMS_COUNT) {
$nextPageToken = end($items)['continuationItemRenderer']['continuationEndpoint']['continuationCommand']['token'];
$items = array_slice($items, 0, $MAXIMAL_ITEMS_COUNT);
}
foreach($items as $savedPlaylistItem) {
$playlistRenderer = array_key_exists('gridPlaylistRenderer', $savedPlaylistItem) ? $savedPlaylistItem['gridPlaylistRenderer'] : $savedPlaylistItem['playlistRenderer'];
$shortBylineRun = $playlistRenderer['shortBylineText']['runs'][0];
$shortBylineNavigationEndpoint = $shortBylineRun['navigationEndpoint'];

$thumbnailVideo = getVideoFromItsThumbnails($playlistRenderer['thumbnailRenderer']['playlistVideoThumbnailRenderer']['thumbnail']);

$firstVideos = array_key_exists('thumbnail', $playlistRenderer) ? [getVideoFromItsThumbnails($playlistRenderer['thumbnail'])] : array_map(fn($videoThumbnails) => getVideoFromItsThumbnails($videoThumbnails), $playlistRenderer['thumbnails']);

$sidebarThumbnails = $playlistRenderer['sidebarThumbnails'];
$secondToFourthVideo = $sidebarThumbnails !== null ? array_map(fn($videoThumbnails) => getVideoFromItsThumbnails($videoThumbnails), $sidebarThumbnails) : [];

$firstVideos = array_merge($firstVideos, $secondToFourthVideo);

$title = $playlistRenderer['title'];

$savedPlaylist = [
'id' => $playlistRenderer['playlistId'],
'thumbnailVideo' => $thumbnailVideo,
'firstVideos' => $firstVideos,
'title' => array_key_exists('runs', $title) ? $title['runs'][0]['text'] : $title['simpleText'],
'videoCount' => intval($playlistRenderer['videoCountText']['runs'][0]['text']),
'authorChannelName' => $shortBylineRun['text'],
'authorChannelHandle' => substr($shortBylineNavigationEndpoint['commandMetadata']['webCommandMetadata']['url'], 2),
'authorChannelId' => $shortBylineNavigationEndpoint['browseEndpoint']['browseId'],
'authorChannelApproval' => $playlistRenderer['ownerBadges'][0]['metadataBadgeRenderer']['tooltip'],
// Does it always start with `Updated `?
'publishedTimeText' => $playlistRenderer['publishedTimeText']['simpleText']
];
array_push($savedPlaylists, $savedPlaylist);
}
$playlists = [
'createdPlaylists' => null,
'savedPlaylists' => [
'savedPlaylists' => $savedPlaylists,
'nextPageToken' => $nextPageToken
]
];
$item['playlists'] = $playlists;
}

return $item;
}

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2 changes: 1 addition & 1 deletion index.php
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ function feature($feature)
echo 'Based on <a href="https://developers.google.com/youtube/v3/docs/' . $suburl . '">' . $name . '</a>: ' . url(WEBSITE_URL . $webpage . '?part=' . $url) . '<br/>';
}

$features = [['channels/list', 'status,premieres,shorts,community,channels,about,approval&forUsername=USERNAME&id=CHANNEL_ID&handle=HANDLE'],
$features = [['channels/list', 'status,premieres,shorts,community,channels,about,approval,playlists&forUsername=USERNAME&id=CHANNEL_ID&handle=HANDLE'],
['community/list', 'snippet&id=POST_ID'],
['commentThreads/list', 'snippet,replies&videoId=VIDEO_ID&order=relevance,time(&pageToken=PAGE_TOKEN)'],
['playlists/list', 'snippet,statistics&id=PLAYLIST_ID'],
Expand Down

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