/**
* Sends fail response
* @param $data
* @author Oluwarotimi Akintewe <*****@*****.**>
* @author Adegoke Obasa <*****@*****.**>
* @param int $httpStatusCode
* @return array
*/
public function sendFailResponse($data, $httpStatusCode = 500)
{
\Yii::$app->response->format = Response::FORMAT_JSON;
\Yii::$app->response->setStatusCode($httpStatusCode, $this->httpStatuses->getReasonPhrase($httpStatusCode));
return ['status' => 'fail', 'data' => $data];
}