public static function lookup($query, $from = "site")
{
// query decoding
$query = trim(urldecode($query));
// So far, we have no item
$lookedUpItem = null;
// By default we assume this is a simple query
$lookedUpPlatform = -1;
// Return value (default)
$retour = null;
// For now we have not transformed
$queryArray = array('initial' => $query, 'transformed' => $query);
// Check that the request is well-formed
if ($query) {
$query = trim(strip_tags($query));
// We remove the trailing slash for our regex to work
if (substr($query, -1) == '/') {
$query = substr($query, 0, -1);
}
// We log the search query
DBLogger::logSearchQuery($query, $from);
// We look for the permalink
$platforms = API::getPlatforms();
while (list($pId, $pObject) = each($platforms)) {
if ($pObject->isActiveForLookup() || $from == "playlist") {
// Is the platform active for lookup ?
if ($pObject->hasPermalink($query)) {
// The permalink is correct for this platform
if ($from == "playlist") {
$lookedUpPlatform = $pObject->getId();
break;
}
try {
$result = $pObject->lookupPermalink($query);
} catch (PlatformTimeoutException $e) {
$result = null;
}
if ($result) {
// We have a non-null result
$queryArray['transformed'] = str_replace(" ", "+", trim($result['query']));
$lookedUpItem = $result['track'];
$lookedUpPlatform = $pObject->getId();
}
// We break anyway because we won't find anything else
// since this was a correct permalink
break;
}
}
}
// We create the PHP array containing the good values
$retour = array('lookedUpPlatform' => $lookedUpPlatform, 'query' => $queryArray, 'lookedUpItem' => $lookedUpItem);
}
return $retour;
}
