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;
}
