function Streams_participant_response_participant()
{
if (isset(Streams::$cache['participant'])) {
return Streams::$cache['participant'];
}
$publisherId = Streams::requestedPublisherId(true);
$streamName = Streams::requestedName(true);
if (empty($_REQUEST['userId'])) {
throw new Q_Exception_RequiredField(array('field' => 'userId'));
}
$user = Users::loggedInUser();
$userId = $user ? $user->id : "";
$stream = Streams::fetch($userId, $publisherId, $streamName);
if (empty($stream)) {
throw new Q_Exception_MissingRow(array('table' => 'Stream', 'criteria' => "{publisherId: '{$publisherId}', name: '{$streamName}'}"));
}
$stream = reset($stream);
if (!$stream->testReadLevel('participants')) {
throw new Users_Exception_NotAuthorized();
}
$p = new Streams_Participant();
$p->publisherId = $publisherId;
$p->streamName = $streamName;
$p->userId = $_REQUEST['userId'];
if ($p->retrieve()) {
return $p->exportArray();
}
return null;
}
