/**
* @param Message\Request $request
* @throws ApiException
* @throws PaymentException
* @throws SigningException
* @return Message\Response
*/
public function processRequest(Message\Request $request)
{
$response = NULL;
try {
foreach ($this->onRequest as $callback) {
call_user_func($callback, $request);
}
try {
$httpResponse = $this->sendHttpRequest($request);
} catch (\Exception $e) {
throw new ApiException($e->getMessage(), 0, $e);
}
switch ($httpResponse->getStatusCode()) {
case ApiException::S400_BAD_REQUEST:
case ApiException::S403_FORBIDDEN:
case ApiException::S404_NOT_FOUND:
throw new ApiException('Payment is probably in wrong state or request is broken', $httpResponse->getStatusCode());
case ApiException::S429_TOO_MANY_REQUESTS:
throw new ApiException('Too Many Requests', $httpResponse->getStatusCode());
case ApiException::S503_SERVICE_UNAVAILABLE:
throw new ApiException('Service is down for maintenance', $httpResponse->getStatusCode());
}
$decoded = @json_decode($responseBody = $httpResponse->getBody(), TRUE);
if ($decoded === NULL) {
throw new ApiException(sprintf('API returned invalid json %s', $responseBody), $httpResponse->getStatusCode());
}
if (!isset($decoded['resultCode'])) {
throw new ApiException(sprintf('The "resultCode" key is missing in response %s', $responseBody), $httpResponse->getStatusCode());
}
$response = new Message\Response($decoded, $request);
if ($decoded['resultCode'] === PaymentException::INTERNAL_ERROR) {
throw InternalErrorException::fromResponse($decoded, $response);
}
if (empty($decoded['signature'])) {
throw new ApiException(sprintf('The "signature" key is missing or empty in response %s', $responseBody), $httpResponse->getStatusCode());
}
$response->verify($this->signature);
switch ($decoded['resultCode']) {
case PaymentException::MISSING_PARAMETER:
throw MissingParameterException::fromResponse($decoded, $response);
case PaymentException::INVALID_PARAMETER:
throw InvalidParameterException::fromResponse($decoded, $response);
case PaymentException::MERCHANT_BLOCKED:
throw MerchantBlockedException::fromResponse($decoded, $response);
case PaymentException::SESSION_EXPIRED:
throw SessionExpiredException::fromResponse($decoded, $response);
case PaymentException::PAYMENT_NOT_FOUND:
throw PaymentNotFoundException::fromResponse($decoded, $response);
case PaymentException::PAYMENT_NOT_IN_VALID_STATE:
throw PaymentNotInValidStateException::fromResponse($decoded, $response);
}
foreach ($this->onResponse as $callback) {
call_user_func($callback, $response);
}
return $response;
} catch (Exception $e) {
foreach ($this->onError as $callback) {
call_user_func($callback, $e, $response);
}
throw $e;
}
}
