/**
* Start preview session.
*
* @param ConnectionInterface $conn
* @param MessageHandlerContext $context
* @param array $msg
*
* @return array
*
* @throws MissingParameterException
*/
private function start(ConnectionInterface $conn, MessageHandlerContext $context, $msg)
{
// locale
if (!array_key_exists('locale', $msg)) {
throw new MissingParameterException('locale');
}
$locale = $msg['locale'];
$context->set('locale', $locale);
// webspace key
if (!array_key_exists('webspaceKey', $msg)) {
throw new MissingParameterException('webspaceKey');
}
$webspaceKey = $msg['webspaceKey'];
$context->set('webspaceKey', $webspaceKey);
// user id
if (!array_key_exists('user', $msg)) {
throw new MissingParameterException('user');
}
$user = $msg['user'];
$context->set('user', $user);
// content uuid
if (!array_key_exists('content', $msg)) {
throw new MissingParameterException('content');
}
$contentUuid = $msg['content'];
$context->set('content', $contentUuid);
// init message vars
$template = array_key_exists('template', $msg) ? $msg['template'] : null;
$data = array_key_exists('data', $msg) ? $msg['data'] : null;
// start preview
$this->preview->start($user, $contentUuid, $webspaceKey, $locale, $data, $template);
return ['command' => 'start', 'content' => $contentUuid, 'msg' => 'OK'];
}
/**
* Start preview with given parameters.
*
* @param MessageHandlerContext $context
* @param array $message
*
* @return array
*/
private function start(MessageHandlerContext $context, $message)
{
if ($context->has('previewToken') && $this->preview->exists($context->get('previewToken'))) {
$this->preview->stop($context->get('previewToken'));
}
$token = $this->preview->start($message['class'], $message['id'], $message['user'], $message['webspaceKey'], $message['locale'], $message['data'] ?: []);
$response = $this->preview->render($token, $message['webspaceKey'], $message['locale']);
$context->set('previewToken', $token);
$context->set('locale', $message['locale']);
return ['command' => 'start', 'token' => $token, 'response' => $response, 'msg' => 'OK'];
}
