public function subscribChannel($username)
{
try {
// Subscribe to a channel
// Create a resource id with channel id and kind.
// List Channels for the user
$channels = $this->youtube->channels->listChannels('snippet', array("forUsername" => $username));
if (empty($channels) || !isset($channels['items'])) {
return "Not Subscribed!";
}
$channelId = $channels['items'][0]['id'];
$resourceId = new Google_ResourceId();
$resourceId->setChannelId($channelId);
$resourceId->setKind('youtube#channel');
// Create a snippet with resource id.
$subscriptionSnippet = new Google_SubscriptionSnippet();
$subscriptionSnippet->setResourceId($resourceId);
// Create a subscription request with snippet.
$subscription = new Google_Subscription();
$subscription->setSnippet($subscriptionSnippet);
// Execute the request and return an object containing information about the new subscription
$subscriptionResponse = $this->youtube->subscriptions->insert('id,snippet', $subscription, array());
$htmlBody = "<h3>Subscription</h3><ul>";
$htmlBody .= sprintf('<li>%s (%s)</li>', $subscriptionResponse['snippet']['title'], $subscriptionResponse['id']);
$htmlBody .= '</ul>';
} catch (Google_ServiceException $e) {
$htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>', htmlspecialchars($e->getMessage()));
return $htmlBody;
} catch (Google_Exception $e) {
$htmlBody .= sprintf('<p>An client error occurred: <code>%s</code></p>', htmlspecialchars($e->getMessage()));
return $htmlBody;
}
$_SESSION['token'] = $this->client->getAccessToken();
return true;
}
// 1. Create the PlaylistSnippet and add the required data.
$playlistSnippet = new Google_PlaylistSnippet();
$playlistSnippet->setTitle('Test Playlist ' . date("Y-m-d H:i:s"));
$playlistSnippet->setDescription('A private playlist created with the YouTube API v3');
// 2. Create playlist status describing the privacy setting.
$playlistStatus = new Google_PlaylistStatus();
$playlistStatus->setPrivacyStatus('private');
// 3. Create a playlist insert request with snippet and status.
$youTubePlaylist = new Google_Playlist();
$youTubePlaylist->setSnippet($playlistSnippet);
$youTubePlaylist->setStatus($playlistStatus);
// 4. Execute the request and return an object containing information about the new playlist
$playlistResponse = $youtube->playlists->insert('snippet,status', $youTubePlaylist, array());
// 5. Add the video to the playlist
// a. Create a resource id with video id and kind.
$resourceId = new Google_ResourceId();
$resourceId->setVideoId('SZj6rAYkYOg');
$resourceId->setKind('youtube#video');
// b. Create a snippet with resource id.
$playlistItemSnippet = new Google_PlaylistItemSnippet();
$playlistItemSnippet->setTitle('First video in the test playlist');
$playlistItemSnippet->setPlaylistId($playlistResponse['id']);
$playlistItemSnippet->setResourceId($resourceId);
// c. Create a playlist item request request with snippet.
$playlistItem = new Google_PlaylistItem();
$playlistItem->setSnippet($playlistItemSnippet);
// d. Execute the request and return an object containing information about the
// new playlistItem
$playlistItemResponse = $youtube->playlistItems->insert('snippet,contentDetails', $playlistItem, array());
$htmlBody .= "<h3>New Playlist</h3><ul>";
$htmlBody .= sprintf('<li>%s (%s)</li>', $playlistResponse['snippet']['title'], $playlistResponse['id']);
if (strval($_SESSION['state']) !== strval($_GET['state'])) {
die('The session state did not match.');
}
$client->authenticate();
$_SESSION['token'] = $client->getAccessToken();
header('Location: ' . $redirect);
}
if (isset($_SESSION['token'])) {
$client->setAccessToken($_SESSION['token']);
}
// Check if access token successfully acquired
if ($client->getAccessToken()) {
try {
// Subscribe to a channel
// Create a resource id with channel id and kind.
$resourceId = new Google_ResourceId();
$resourceId->setChannelId('UCtVd0c0tGXuTSbU5d8cSBUg');
$resourceId->setKind('youtube#channel');
// Create a snippet with resource id.
$subscriptionSnippet = new Google_SubscriptionSnippet();
$subscriptionSnippet->setResourceId($resourceId);
// Create a subscription request with snippet.
$subscription = new Google_Subscription();
$subscription->setSnippet($subscriptionSnippet);
// Execute the request and return an object containing information about the new subscription
$subscriptionResponse = $youtube->subscriptions->insert('id,snippet', $subscription, array());
$htmlBody .= "<h3>Subscription</h3><ul>";
$htmlBody .= sprintf('<li>%s (%s)</li>', $subscriptionResponse['snippet']['title'], $subscriptionResponse['id']);
$htmlBody .= '</ul>';
} catch (Google_ServiceException $e) {
$htmlBody .= sprintf('<p>A service error occurred: <code>%s</code></p>', htmlspecialchars($e->getMessage()));
public function sync($youtubeUsername, $videoId, $currentVideoPlaylists, $newVideoPlaylists)
{
$playlistsLoaded = false;
for ($i = 1; $i <= $this->_playlistLoadAttemptsLimit; $i++) {
try {
KalturaLog::debug('Trying to load all playlists, attempt ' . $i);
$this->loadPlaylistsForChannel($youtubeUsername);
$playlistsLoaded = true;
break;
} catch (Exception $ex) {
KalturaLog::err('Failed to load all playlists on attempt ' . $i);
KalturaLog::debug($ex);
}
}
if (!$playlistsLoaded) {
KalturaLog::err('An error occurred while loading playlists, sync playlists proccess cannot proceed');
return $currentVideoPlaylists;
}
KalturaLog::info('Current playlists: ' . $currentVideoPlaylists);
KalturaLog::info('New playlists: ' . $newVideoPlaylists);
$currentPlaylistsArray = explode(',', $currentVideoPlaylists);
$newPlaylistsArray = explode(',', $newVideoPlaylists);
sort($currentPlaylistsArray);
sort($newPlaylistsArray);
foreach ($currentPlaylistsArray as &$tempPlaylist) {
$tempPlaylist = trim($tempPlaylist);
}
foreach ($newPlaylistsArray as &$tempPlaylist) {
$tempPlaylist = trim($tempPlaylist);
}
if (count($currentVideoPlaylists) == 0 && count($newVideoPlaylists) == 0) {
return null;
}
if (var_export($currentPlaylistsArray, true) === var_export($newPlaylistsArray, true)) {
// nothing changed
return null;
}
/**
* used to store the playlists that were really linked to an entry,
* if an api error occurs, the playlist will not be added
*/
$currentPlaylistsReal = array();
// playlists we need to add the video to
foreach ($newPlaylistsArray as $playlist) {
if (!$playlist) {
continue;
}
if (!in_array($playlist, $currentPlaylistsArray)) {
$playlistId = $this->getPlaylistIdByTitle($playlist);
if (!$playlistId) {
// create the playlist
$playlistSnippet = new Google_PlaylistSnippet();
$playlistSnippet->setChannelId($this->_channelId);
$playlistSnippet->setTitle($playlist);
$googlePlaylist = new Google_Playlist();
$googlePlaylist->setSnippet($playlistSnippet);
try {
$playlistResponse = $this->_youtubeService->playlists->insert('snippet', $googlePlaylist);
} catch (Exception $ex) {
KalturaLog::err('Failed to create new playlist ' . $playlist);
KalturaLog::debug($ex);
continue;
}
$playlistId = $playlistResponse['id'];
}
$playlistItem = new Google_PlaylistItem();
$contentDetails = new Google_PlaylistItemContentDetails();
$contentDetails->setVideoId($videoId);
$playlistItemSnippet = new Google_PlaylistItemSnippet();
$playlistItemSnippet->setPlaylistId($playlistId);
$resourceId = new Google_ResourceId();
$resourceId->setKind('youtube#video');
$resourceId->setVideoId($videoId);
$playlistItemSnippet->setResourceId($resourceId);
$playlistItem->setSnippet($playlistItemSnippet);
try {
$this->_youtubeService->playlistItems->insert('snippet', $playlistItem);
} catch (Exception $ex) {
KalturaLog::err('Failed to insert playlist item for playlist ' . $playlist);
KalturaLog::debug($ex);
continue;
}
$currentPlaylistsReal[] = $playlist;
} else {
$currentPlaylistsReal[] = $playlist;
}
}
// playlists we need to remove the video from
foreach ($currentPlaylistsArray as $playlist) {
if (!$playlist) {
continue;
}
if (!in_array($playlist, $newPlaylistsArray)) {
$playlistId = $this->getPlaylistIdByTitle($playlist);
if (!$playlistId) {
continue;
}
$playlistItems = null;
try {
$playlistItems = $this->_youtubeService->playlistItems->listPlaylistItems('snippet', array('playlistId' => $playlistId));
} catch (Exception $ex) {
// failed to list playlists items, we need to keep that playlist in our records
$currentPlaylistsReal[] = $playlist;
KalturaLog::err('Failed to list playlist items for playlist ' . $playlist);
KalturaLog::debug($ex);
continue;
}
if (!isset($playlistItems['items']) || !count($playlistItems['items'])) {
continue;
}
foreach ($playlistItems['items'] as $playlistItem) {
if (!isset($playlistItem['snippet']['resourceId']['videoId'])) {
continue;
}
$playlistItemVideoId = $playlistItem['snippet']['resourceId']['videoId'];
if ($playlistItemVideoId == $videoId) {
try {
$this->_youtubeService->playlistItems->delete($playlistItem['id']);
} catch (Exception $ex) {
// playlist item could not be deleted, we need to keep that playlist in our records as well
$currentPlaylistsReal[] = $playlist;
KalturaLog::err('Failed to delete playlist item for playlist ' . $playlist);
KalturaLog::debug($ex);
}
}
}
}
}
return $currentPlaylistsReal;
}
