FastD\Middleware\CacheMiddleware::handle()

Complexity

Conditions	4
Paths	4

Size

Total Lines	32
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	11.8736

Importance

Changes	6
Bugs	4	Features	0

<?php
    public function handle(ServerRequestInterface $request, DelegateInterface $next)
    {
        if ('GET' !== $request->getMethod()) {
            return $next->process($request);
        }

        $key = md5($request->getUri()->getPath().http_build_query($request->getQueryParams()));
        $cache = cache()->getItem($key);
        if ($cache->isHit()) {
            list($content, $headers) = $cache->get();

            return new Response($content, Response::HTTP_OK, $headers);
        }

        $response = $next->process($request);
        if (Response::HTTP_OK !== $response->getStatusCode()) {
            return $response;
        }

        $expireAt = DateObject::createFromTimestamp(time() + config()->get('common.cache.lifetime', 60));

        $response->withHeader('X-Cache', $key)->withExpires($expireAt);

        $cache->set([
            (string) $response->getBody(),
            $response->getHeaders(),
        ]);

        cache()->save($cache->expiresAt($expireAt));

        return $response;
    }
}