public function onRequestError(Event $event)
{
$request = $event['request'];
$response = $request->getResponse();
$message = null;
$code = $response->getStatusCode();
if ($response->isServerError()) {
throw new ClientException('Error ' . $code, $code);
}
if ($response->isClientError()) {
$body = ResponseHandler::getBody($response);
// If HTML, whole body is taken
if (gettype($body) == 'string') {
$message = $body;
}
// If JSON, a particular field is taken and used
if ($response->isContentType('json') && is_array($body)) {
if (isset($body['error'])) {
$message = $body['error'];
} else {
$message = 'Unable to select error message from json returned by request responsible for error';
}
}
if (empty($message)) {
$message = 'Unable to understand the content type of response returned by request responsible for error';
}
throw new ClientException($message, $code);
}
}
/**
* Get response body in correct format
*/
public function getBody($response)
{
return ResponseHandler::getBody($response);
}