/**
* Return data from handler in JSON format.
* @param array $data
* @return string
*/
private function toJSON($data = array())
{
if ($this->success) {
$this->message = $this->resource->getOnSuccessMessageFor($this->serviceName);
}
$ret = array('success' => $this->success, 'message' => $this->message, 'code' => $this->code, 'resource' => get_class($this->resource), 'service' => $this->serviceName, $this->responseKey => $data);
if (LudoDB::isLoggingEnabled()) {
$ret['log'] = array('time' => LudoDB::getElapsed(), 'queries' => LudoDB::getQueryCount());
}
return json_encode($ret);
}