/**
* Gets information about all queued YouTube videos and applies it to the
* stored videos in the local playlist.
*
* After fetching the video info, the queue of videos is cleared.
*
* @access private
* @since 0.4
*/
private function _retrieve_queued_video_info()
{
// Abort if we have no videos in the queue
global $nxtdb;
$queue = $this->get_option('info_queue');
if (empty($queue)) {
return;
}
// Request information on all videos in the queue using a single connection
$conn = new ClassBlogs_Http(self::_YOUTUBE_VIDEO_INFO_URL_TEMPLATE);
$queue_length = count($queue) - 1;
for ($i = 0; $i <= $queue_length; $i++) {
$request = sprintf(self::_YOUTUBE_VIDEO_INFO_URL_TEMPLATE, $queue[$i]);
$conn->add_request_line("GET {$request} HTTP/1.1\r\n");
if ($i != $queue_length) {
$conn->add_request_line("\r\n");
}
}
$responses = $conn->get_responses();
$conn->close_connection();
// Update each video in the local playlist with the information found
// in the YouTube API response
foreach ($responses as $response) {
$xml = ClassBlogs_Utils::xml_from_string($response->body);
$title = ClassBlogs_Utils::get_single_xml_tag_value($xml, 'title');
$youtube_id = ClassBlogs_Utils::get_single_xml_tag_value($xml, 'videoid', self::_YT_NAMESPACE);
if ($title && $youtube_id) {
$nxtdb->query($nxtdb->prepare("\n\t\t\t\t\tUPDATE {$this->tables->videos}\n\t\t\t\t\tSET title = %s\n\t\t\t\t\tWHERE youtube_id = %s", $title, $youtube_id));
}
}
// Clear the queue
$this->update_option('info_queue', array());
}