/**
* @param Request $request
* @param ModelAbstract|null $model
*
* @return array|null
*/
public function execute(Request $request)
{
if ($request instanceof PrivateRequest) {
$request->setOption('publicKey', $this->getPublicKey())->setOption('secretKey', $this->getSecretKey());
}
if ($request->prepareRequest() !== true) {
throw new ModelException($request->getError());
}
$response = $this->httpClient->request($request->getMethod(), $request->getUri(), ['query' => $request->buildParams()]);
if ($response->getStatusCode() !== 200) {
return null;
}
$body = $response->getBody();
$contents = $body->getContents();
return self::jsonDecode($contents, true);
}
