*/ final class HistoryPlugin implements Plugin { /** * Journal use to store request / responses / exception. * * @var Journal */ private $journal; public function __construct(Journal $journal) { $this->journal = $journal; } /** * {@inheritdoc} */ public function handleRequest(RequestInterface $request, callable $next, callable $first): Promise { $journal = $this->journal; return $next($request)->then(function (ResponseInterface $response) use ($request, $journal) { $journal->addSuccess($request, $response); return $response; }, function (ClientExceptionInterface $exception) use ($request, $journal) { $journal->addFailure($request, $exception); throw $exception; }); } }