function MyApp_home_response_content($params)
{
// Implement a home page for the user
$user = Users::loggedInUser();
// For now we will just internally forward to the welcome page
Q_Dispatcher::forward("MyApp/welcome");
}
/**
* The default implementation.
*/
function Q_errors($params)
{
extract($params);
/**
* @var Exception $exception
* @var boolean $startedResponse
*/
if (!empty($exception)) {
Q_Response::addError($exception);
}
$errors = Q_Response::getErrors();
$errors_array = Q_Exception::toArray($errors);
// Simply return the errors, if this was an AJAX request
if ($is_ajax = Q_Request::isAjax()) {
try {
$errors_json = @Q::json_encode($errors_array);
} catch (Exception $e) {
$errors_array = array_slice($errors_array, 0, 1);
unset($errors_array[0]['trace']);
$errors_json = @Q::json_encode($errors_array);
}
$json = "{\"errors\": {$errors_json}}";
$callback = Q_Request::callback();
switch (strtolower($is_ajax)) {
case 'iframe':
if (!Q_Response::$batch) {
header("Content-type: text/html");
}
echo <<<EOT
<!doctype html><html lang=en>
<head><meta charset=utf-8><title>Q Result</title></head>
<body>
<script type="text/javascript">
window.result = function () { return {$json} };
</script>
</body>
</html>
EOT;
break;
case 'json':
default:
header("Content-type: " . ($callback ? "application/javascript" : "application/json"));
echo $callback ? "{$callback}({$json})" : $json;
}
return;
}
// Forward internally, if it was requested
if ($onErrors = Q_Request::special('onErrors', null)) {
$uri1 = Q_Dispatcher::uri();
$uri2 = Q_Uri::from($onErrors);
$url2 = $uri2->toUrl();
if (!isset($uri2)) {
throw new Q_Exception_WrongValue(array('field' => 'onErrors', 'range' => 'an internal URI reachable from a URL'));
}
if ($uri1->toUrl() !== $url2) {
Q_Dispatcher::forward($uri2);
return;
// we don't really need this, but it's here anyway
}
}
$params2 = compact('errors', 'exception', 'errors_array', 'exception_array');
if (Q::eventStack('Q/response')) {
// Errors happened while rendering response. Just render errors view.
return Q::view('Q/errors.php', $params2);
}
if (!$startedResponse) {
try {
// Try rendering the response, expecting it to
// display the errors along with the rest.
$ob = new Q_OutputBuffer();
Q::event('Q/response', $params2);
$ob->endFlush();
return;
} catch (Exception $e) {
if (get_class($e) === 'Q_Exception_DispatcherForward') {
throw $e;
// if forwarding was requested, do it
// for all other errors, continue trying other things
}
$output = $ob->getClean();
}
}
if ($errors) {
// Try rendering the app's errors response, if any.
$app = Q::app();
if (Q::canHandle("{$app}/errors/response/content")) {
Q_Dispatcher::forward("{$app}/errors");
} else {
echo Q::view("Q/errors.php", compact('errors'));
}
}
if (!empty($e)) {
return Q::event('Q/exception', array('exception' => $e));
}
}
/**
* Used to get a stream
*
* @param {array} $_REQUEST
* @param {string} $_REQUEST.publisherId Required
* @param {string} $_REQUEST.streamName Required streamName or name
* @param {integer} [$_REQUEST.messages] optionally pass a number here to fetch latest messages
* @param {integer} [$_REQUEST.participants] optionally pass a number here to fetch participants
* @return {void}
*/
function Streams_stream_response()
{
// this handler is only for GET requests
if (Q_Request::method() !== 'GET') {
return null;
}
$publisherId = Streams::requestedPublisherId(true);
$name = Streams::requestedName(true);
$fields = Streams::requestedFields();
$user = Users::loggedInUser();
$userId = $user ? $user->id : "";
if (isset(Streams::$cache['stream'])) {
$stream = Streams::$cache['stream'];
} else {
$streams = Streams::fetch($userId, $publisherId, $name, $fields ? $fields : '*', array('withParticipant' => true));
if (Q_Request::slotName('streams')) {
Q_Response::setSlot('streams', Db::exportArray($streams));
}
if (empty($streams)) {
if (Q_Request::slotName('stream')) {
Q_Response::setSlot('stream', null);
Q_Response::setSlot('messages', null);
Q_Response::setSlot('participants', null);
Q_Response::setSlot('related', null);
Q_Response::setSlot('relatedTo', null);
} else {
if (!Q_Request::slotName('streams')) {
$app = Q_Config::expect('Q', 'app');
Q_Dispatcher::forward("{$app}/notFound");
}
}
return null;
}
// The rest of the data is joined only on the first stream
Streams::$cache['stream'] = $stream = reset($streams);
}
if (empty($stream)) {
if (Q_Request::slotName('stream')) {
Q_Response::setSlot('stream', null);
}
return null;
}
if ($userId && !empty($_REQUEST['join'])) {
$stream->join();
// NOTE: one of the rare times we may change state in a response handler
}
if (Q_Request::slotName('stream')) {
Q_Response::setSlot('stream', $stream->exportArray());
}
if (!empty($_REQUEST['messages'])) {
$max = -1;
$limit = $_REQUEST['messages'];
$messages = false;
$type = isset($_REQUEST['messageType']) ? $_REQUEST['messageType'] : null;
if ($stream->testReadLevel('messages')) {
$messages = Db::exportArray($stream->getMessages(compact('type', 'max', 'limit')));
}
Q_Response::setSlot('messages', $messages);
}
if (!empty($_REQUEST['participants'])) {
$limit = $_REQUEST['participants'];
$participants = false;
if ($stream->testReadLevel('participants')) {
$participants = Db::exportArray($stream->getParticipants(compact('limit', 'offset')));
}
Q_Response::setSlot('participants', $participants);
}
}
