/**
* Returns the last stored result of the check or null if no results have been
* stored yet.
*
* @return \Drupal\security_review\CheckResult|null
* The last stored result (or null).
*/
public function lastResult()
{
$statePrefix = $this->statePrefix . 'last_result.';
$result = Drupal::state()->get($statePrefix . 'result');
$findings = Drupal::state()->get($statePrefix . 'findings');
$time = Drupal::state()->get($statePrefix . 'time');
$validResult = is_int($result) && $result >= CheckResult::SUCCESS && $result <= CheckResult::INFO;
$validFindings = is_array($findings);
$validTime = is_int($time) && $time > 0;
if (!$validResult || !$validFindings || !$validTime) {
return NULL;
}
$lastResult = new CheckResult($this, $result, $findings, $time);
if ($this->storesFindings()) {
return $lastResult;
} else {
// Run the check to get the findings.
$freshResult = $this->run();
// If it malfunctioned return the last known good result.
if (!$freshResult instanceof CheckResult) {
return $lastResult;
}
if ($freshResult->result() != $lastResult->result()) {
// If the result is not the same store the new result and return it.
$this->storeResult($freshResult);
SecurityReview::logCheckResult($freshResult);
return $freshResult;
} else {
// Else return the old result with the fresh one's findings.
return CheckResult::combine($lastResult, $this->run());
}
}
}
