/**
* Out of the box, the handler "CurrentForm" value, which will return the rendered form.
* Non-Ajax calls will redirect back.
*
* @param HTTPRequest $request
* @param array $extraCallbacks List of anonymous functions or callables returning either a string
* or HTTPResponse, keyed by their fragment identifier. The 'default' key can
* be used as a fallback for non-ajax responses.
* @return HTTPResponse
* @throws HTTPResponse_Exception
*/
public function respond(HTTPRequest $request, $extraCallbacks = array())
{
// Prepare the default options and combine with the others
$callbacks = array_merge($this->callbacks, $extraCallbacks);
$response = $this->getResponse();
$responseParts = array();
if (isset($this->fragmentOverride)) {
$fragments = $this->fragmentOverride;
} elseif ($fragmentStr = $request->getHeader('X-Pjax')) {
$fragments = explode(',', $fragmentStr);
} else {
if ($request->isAjax()) {
throw new HTTPResponse_Exception("Ajax requests to this URL require an X-Pjax header.", 400);
} elseif (empty($callbacks['default'])) {
throw new HTTPResponse_Exception("Missing default response handler for this URL", 400);
}
$response->setBody(call_user_func($callbacks['default']));
return $response;
}
// Execute the fragment callbacks and build the response.
foreach ($fragments as $fragment) {
if (isset($callbacks[$fragment])) {
$res = call_user_func($callbacks[$fragment]);
$responseParts[$fragment] = $res ? (string) $res : $res;
} else {
throw new HTTPResponse_Exception("X-Pjax = '{$fragment}' not supported for this URL.", 400);
}
}
$response->setBody(Convert::raw2json($responseParts));
$response->addHeader('Content-Type', 'text/json');
return $response;
}
/**
* REST endpoint to get a campaign.
*
* @param HTTPRequest $request
*
* @return HTTPResponse
*/
public function readCampaign(HTTPRequest $request)
{
$response = new HTTPResponse();
if ($request->getHeader('Accept') == 'text/json') {
$response->addHeader('Content-Type', 'application/json');
if (!$request->param('Name')) {
return new HTTPResponse(null, 400);
}
/** @var ChangeSet $changeSet */
$changeSet = ChangeSet::get()->byID($request->param('ID'));
if (!$changeSet) {
return new HTTPResponse(null, 404);
}
if (!$changeSet->canView()) {
return new HTTPResponse(null, 403);
}
$body = Convert::raw2json($this->getChangeSetResource($changeSet));
return (new HTTPResponse($body, 200))->addHeader('Content-Type', 'application/json');
} else {
return $this->index($request);
}
}
/**
* Get security token from request
*
* @param HTTPRequest $request
* @return string
*/
protected function getRequestToken($request)
{
$name = $this->getName();
$header = 'X-' . ucwords(strtolower($name));
if ($token = $request->getHeader($header)) {
return $token;
}
// Get from request var
return $request->requestVar($name);
}
