public function call($method, $params)
{
Logger::debug('New Request for method "' . $method . '" with params: ' . print_r($params, true), self::$logfile);
if (isset($params['callback'])) {
Logger::debug('Got callback: ' . $params['callback'], self::$logfile);
$this->callback = $params['callback'];
unset($params['callback']);
}
$device = isset($params['device']) ? $params['device'] : null;
Logger::debug('Device: ' . var_export($device, true), self::$logfile);
try {
if (method_exists($this, $method)) {
if (!is_null($device)) {
Logger::debug('Triggering "' . $method . '" with device and params', self::$logfile);
$this->{$method}($device, $params);
} else {
Logger::debug('Triggering "' . $method . '" without device', self::$logfile);
$this->{$method}($params);
}
} else {
Logger::warn('Unknown method: ' . $method, self::$logfile);
}
} catch (UPnPException $e) {
Logger::error('Exception occured: ' . $e->getMessage(), self::$logfile);
}
}
/**
* Transforms response XML to Array
*
* @access private
*
* @param string $method Method name
* @param string $xml Response XML
*
* @return array
*/
private function parseResponse($method, $xml)
{
if ($xml == '') {
return array();
}
$hideLogs = $this->hideLogs;
$original_xml = $xml;
// Bad hack
if (strstr($xml, 'parentID') !== false) {
$xml = preg_replace('/ parentID="(.*)"/Uis', ' parentID="' . rand(1000, 9999) . '"', $xml);
}
$result = array();
$action = $this->getAction($method);
$params = $action['out'];
if (!$hideLogs) {
Logger::debug('Expected response params: ' . print_r($params, true), self::$logfile);
}
foreach ($params as $param) {
$name = $param['name'];
$regex = sprintf('/<%s>(.*)<\\/%s>/Uis', $name, $name);
preg_match($regex, $xml, $tmp);
if (count($tmp) == 2) {
if (!$hideLogs) {
Logger::debug('Found ' . $name, self::$logfile);
}
$result[$name] = $tmp[1];
} else {
if (!$hideLogs) {
Logger::warn('Unable to find ' . $name . ' in response', self::$logfile);
}
throw new UPnPException('Missing response value: ' . $name);
}
}
if ($method == 'Browse' || $method == 'GetPositionInfo' || $method == 'Search') {
if (!$hideLogs) {
Logger::debug('Detected "Browse", "Search" or "GetPositionInfo" - begin parsing didl', self::$logfile);
}
switch ($method) {
case 'Browse':
$tagname = 'Result';
break;
case 'Search':
$tagname = 'Result';
break;
case 'GetPositionInfo':
$tagname = 'TrackMetaData';
break;
}
if (!$hideLogs) {
Logger::debug('Name of didl tag: "' . $tagname . '"', self::$logfile);
}
$data = array();
$xml = html_entity_decode($result[$tagname]);
if (!$hideLogs) {
Logger::debug($xml, self::$logfile);
}
if (strstr($xml, '<') !== false) {
if (!$hideLogs) {
Logger::debug('Didl contains "<" -> htmlspecialchars_decode();', self::$logfile);
}
$xml = htmlspecialchars_decode($xml);
}
$dom = new DOMDocument();
$dom->loadXML($xml);
$root = $dom->childNodes->item(0);
foreach ($root->childNodes as $node) {
if (get_class($node) == 'DOMText') {
continue;
}
$element = array();
$element['type'] = $node->tagName;
if ($node->hasAttributes()) {
$element['attributes'] = array();
foreach ($node->attributes as $attr) {
$element['attributes'][$attr->name] = $attr->textContent;
}
}
if ($node->hasChildNodes()) {
$element['data'] = array();
$i = 0;
foreach ($node->childNodes as $childNode) {
$tmp = array();
$tmp['value'] = $childNode->textContent;
if ($childNode->hasAttributes()) {
foreach ($childNode->attributes as $attr) {
$tmp['attributes'][$attr->name] = $attr->textContent;
}
}
$t = explode(':', $childNode->tagName);
$tagName = array_pop($t);
$element['data'][$tagName][] = $tmp;
}
}
$data[] = $element;
}
if (!$hideLogs) {
Logger::debug($data, self::$logfile);
}
if (!$hideLogs) {
Logger::debug('Move ' . $tagname . ' to ' . $tagname . '_XML in response', self::$logfile);
}
if (!$hideLogs) {
Logger::debug('Add result as ' . $tagname . ' to response', self::$logfile);
}
$result[$tagname . '_XML'] = $result[$tagname];
$result[$tagname] = $data;
}
return $result;
}
/**
* Removes an item from playlist
*
* @access public
*
* @param str $itemId
*/
public function removeItem($itemId)
{
Logger::debug(__METHOD__, self::$logfile);
if (isset($this->items[$itemId])) {
Logger::debug('Item: ' . print_r($this->items[$itemId], true), self::$logfile);
unset($this->items[$itemId]);
} else {
Logger::warn('Unable to find ' . $itemId, self::$logfile);
}
$this->save();
}
