/**
* perform curl() request
* -> caches response by returned HTTP Cache header data
* @param string $url
* @param array|null $options
* @param array $additionalOptions
* @param int $retryCount request counter for failed crest call
* @return array|FALSE|mixed
*/
public function request($url, array $options = null, $additionalOptions = [], $retryCount = 0)
{
$f3 = \Base::instance();
if (!$f3->exists($hash = $this->getCacheKey($url, $options))) {
// retry same request until request limit is reached
$retry = false;
$result = parent::request($url, $options);
$result['timeout'] = false;
$statusCode = $this->getStatusCodeFromHeaders($result['headers']);
switch ($statusCode) {
case 100:
case 200:
// request succeeded -> check if response should be cached
$ttl = $this->getCacheTimeFromHeaders($result['headers']);
if ($ttl > 0 && !empty(json_decode($result['body'], true))) {
$f3->set($hash, $result, $ttl);
}
break;
case 401:
case 415:
// unauthorized
$errorMsg = $this->getErrorMessageFromJsonResponse($statusCode, $options['method'], $url, json_decode($result['body']));
LogController::getLogger('ERROR')->write($errorMsg);
break;
case 500:
case 501:
case 502:
case 503:
case 505:
$retry = true;
if ($retryCount == self::RETRY_COUNT_MAX) {
$errorMsg = $this->getErrorMessageFromJsonResponse($statusCode, $options['method'], $url, json_decode($result['body']));
LogController::getLogger('ERROR')->write($errorMsg);
// trigger error
if ($additionalOptions['suppressHTTPErrors'] !== true) {
$f3->error($statusCode, $errorMsg);
}
}
break;
case 504:
case 0:
$retry = true;
if ($retryCount == self::RETRY_COUNT_MAX) {
// timeout -> response should not be cached
$result['timeout'] = true;
$errorMsg = $this->getErrorMessageFromJsonResponse(504, $options['method'], $url, json_decode($result['body']));
// log error
LogController::getLogger('ERROR')->write($errorMsg);
if ($additionalOptions['suppressHTTPErrors'] !== true) {
$f3->error(504, $errorMsg);
}
}
break;
default:
// unknown status
$errorMsg = $this->getErrorMessageFromJsonResponse($statusCode, $options['method'], $url);
LogController::getLogger('ERROR')->write($errorMsg);
break;
}
if ($retry && $retryCount < self::RETRY_COUNT_MAX) {
$retryCount++;
$this->request($url, $options, $additionalOptions, $retryCount);
}
} else {
$result = $f3->get($hash);
}
return $result;
}
