public static function get_bitlove_feed_url($feed_id)
{
$feed = \Podlove\Model\Feed::find_one_by_id($feed_id);
$cache_key = "podlove_bitlove_feed_url_" . $feed_id;
if (($bitlove_feed_url = get_transient($cache_key)) !== FALSE) {
return $bitlove_feed_url;
} else {
$subscribe_url = $feed->get_subscribe_url();
$url = 'http://api.bitlove.org/feed-lookup.json?url=' . $subscribe_url;
$curl = new \Podlove\Http\Curl();
$curl->request($url, array('headers' => array('Content-type' => 'application/json')));
$response = $curl->get_response();
if (!$curl->isSuccessful()) {
return array();
}
$decoded_answer = get_object_vars(json_decode($response['body']));
$bitlove_url = $decoded_answer[$subscribe_url][0];
// The response is always the first array element
set_transient($cache_key, $bitlove_url, 60 * 60 * 24);
return $bitlove_url;
}
}