function Streams_batch_response_batch()
{
if (empty($_REQUEST['batch'])) {
throw new Q_Exception_RequiredField(array('field' => 'batch'));
}
try {
$batch = json_decode($_REQUEST['batch'], true);
} catch (Exception $e) {
}
if (empty($batch)) {
throw new Q_Exception_WrongValue(array('field' => 'batch', 'range' => 'valid JSON'));
}
if (empty($batch['args'])) {
throw new Q_Exception_RequiredField(array('field' => 'args'));
}
// Gather the publisher ids and stream names to fetch
$to_fetch = array();
foreach ($batch['args'] as $args) {
if (count($args) < 4) {
continue;
}
list($action, $slots, $publisherId, $name) = $args;
if (empty($to_fetch[$publisherId])) {
$to_fetch[$publisherId] = array();
}
$to_fetch[$publisherId][] = $name;
}
$user = Users::loggedInUser();
$userId = $user ? $user->id : "";
// Fetch the actual streams
$streams = array();
foreach ($to_fetch as $publisherId => $names) {
if (empty($streams[$publisherId])) {
$streams[$publisherId] = array();
}
$streams[$publisherId] = array_merge($streams[$publisherId], Streams::fetch($userId, $publisherId, $names, '*'));
}
// Now, build the result
$result = array();
foreach ($batch['args'] as $args) {
try {
$action = $args[0];
$prev_request = $_REQUEST;
$extra = !empty($args[4]) ? $args[4] : null;
if (is_array($extra)) {
foreach ($extra as $k => $v) {
$_REQUEST[$k] = $v;
}
}
switch ($action) {
case 'stream':
break;
case 'message':
if (!is_array($extra)) {
$_REQUEST['ordinal'] = $extra;
}
break;
case 'participant':
if (!is_array($extra)) {
$_REQUEST['userId'] = $extra;
}
break;
default:
throw new Q_Exception_WrongValue(array('field' => 'action', 'range' => "'stream', 'message' or 'participant'"));
}
Q_Request::$slotNames_override = is_array($args[1]) ? $args[1] : explode(',', $args[1]);
Q_Request::$method_override = 'GET';
if (count($args) >= 4) {
Streams::$requestedPublisherId_override = $publisherId = $args[2];
Streams::$requestedName_override = $name = $args[3];
if (empty($streams[$publisherId][$name])) {
throw new Q_Exception_MissingRow(array('table' => 'Stream', 'criteria' => "{publisherId: '{$publisherId}', name: '{$name}'}"));
}
Streams::$cache['stream'] = $streams[$publisherId][$name];
}
Q::event("Streams/{$action}/response", compact('streams', 'publisherId', 'name', 'extra', 'user', 'userId'));
$slots = Q_Response::slots(true);
unset($slots['batch']);
$result[] = compact('slots');
} catch (Exception $e) {
$result[] = array('errors' => Q_Exception::toArray(array($e)));
}
$prev_request = $_REQUEST;
Q_Request::$slotNames_override = null;
Q_Request::$method_override = null;
Streams::$requestedPublisherId_override = null;
Streams::$requestedName_override = null;
}
return $result;
}
function Q_exception_native($params)
{
extract($params);
/**
* @var Exception $exception
*/
if ($is_ajax = Q_Request::isAjax()) {
$json = @Q::json_encode(array('errors' => Q_Exception::toArray(array($exception))));
$callback = Q_Request::callback();
switch (strtolower($is_ajax)) {
case 'iframe':
// Render an HTML layout for ajax
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':
// Render a JSON layout for ajax
// Render a JSON layout for ajax
default:
header("Content-type: " . ($callback ? "application/javascript" : "application/json"));
echo $callback ? "{$callback}({$json})" : $json;
}
} else {
if (Q::textMode()) {
echo Q_Exception::coloredString($exception);
exit;
}
$message = $exception->getMessage();
$file = $exception->getFile();
$line = $exception->getLine();
if (is_callable(array($exception, 'getTraceAsStringEx'))) {
$trace_string = $exception->getTraceAsStringEx();
} else {
$trace_string = $exception->getTraceAsString();
}
if ($exception instanceof Q_Exception_PhpError or !empty($exception->messageIsHtml)) {
// do not sanitize $message
} else {
$message = Q_Html::text($message);
}
$content = "<h1 class='exception_message'>{$message}</h1>";
if (Q_Config::get('Q', 'exception', 'showFileAndLine', true)) {
$content .= "<h3 class='exception_fileAndLine'>in {$file} ({$line})</h3>";
}
if (Q_Config::get('Q', 'exception', 'showTrace', true)) {
$content .= "<pre class='exception_trace'>{$trace_string}</pre>";
}
$content .= str_repeat(' ', 512);
// because of chrome
$title = "Exception occurred";
$dashboard = "";
echo Q::view('Q/layout/html.php', compact('content', 'dashboard', 'title'));
}
$app = Q_Config::get('Q', 'app', null);
$colored = Q_Exception::coloredString($exception);
Q::log("{$app}: Exception in " . ceil(Q::milliseconds()) . "ms:\n\n{$colored}\n", null, true, array('maxLength' => 10000));
}
/**
* 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));
}
}
