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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| <?php | ||
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| /* | ||
| * (c) Christian Gripp <mail@core23.de> | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
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| namespace Core23\ShariffBundle\Backend; | ||
|
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| interface Backend | ||
| { | ||
| /** | ||
| * @return array<string, int> | ||
| */ | ||
| public function get(string $url): array; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| <?php | ||
|
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| declare(strict_types=1); | ||
|
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| /* | ||
| * (c) Christian Gripp <mail@core23.de> | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
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| namespace Core23\ShariffBundle\Backend; | ||
|
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| use Core23\ShariffBundle\Manager\ServiceManager; | ||
| use Core23\ShariffBundle\Service\Exception\FetchException; | ||
| use Psr\Cache\CacheItemPoolInterface; | ||
| use Psr\Http\Client\ClientExceptionInterface; | ||
| use Psr\Http\Client\ClientInterface; | ||
| use Psr\Http\Message\RequestFactoryInterface; | ||
| use Psr\Log\LoggerAwareInterface; | ||
| use Psr\Log\LoggerAwareTrait; | ||
| use Psr\Log\NullLogger; | ||
|
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| final class PsrBackend implements Backend, LoggerAwareInterface | ||
| { | ||
| use LoggerAwareTrait; | ||
|
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| /** | ||
| * @var ServiceManager | ||
| */ | ||
| private $serviceManager; | ||
|
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| /** | ||
| * @var RequestFactoryInterface | ||
| */ | ||
| private $requestFactory; | ||
|
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| /** | ||
| * @var ClientInterface | ||
| */ | ||
| private $client; | ||
|
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| /** | ||
| * @var CacheItemPoolInterface | ||
| */ | ||
| private $cache; | ||
|
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| /** | ||
| * @var string[] | ||
| */ | ||
| private $domains; | ||
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| /** | ||
| * @param string[] $domains | ||
| */ | ||
| public function __construct( | ||
| ServiceManager $serviceManager, | ||
| RequestFactoryInterface $requestFactory, | ||
| ClientInterface $client, | ||
| CacheItemPoolInterface $cache, | ||
| array $domains = [] | ||
| ) { | ||
| $this->serviceManager = $serviceManager; | ||
| $this->requestFactory = $requestFactory; | ||
| $this->client = $client; | ||
| $this->cache = $cache; | ||
| $this->domains = $domains; | ||
| $this->logger = new NullLogger(); | ||
| } | ||
|
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| public function get(string $url): array | ||
| { | ||
| if (!$this->isValidDomain($url)) { | ||
| return []; | ||
| } | ||
|
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| $cacheKey = $this->cacheKey($url); | ||
|
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| if ($this->cache->hasItem($cacheKey)) { | ||
| return json_decode($this->cache->getItem($cacheKey)->get(), true); | ||
| } | ||
|
|
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| if (false === filter_var($url, FILTER_VALIDATE_URL)) { | ||
| return []; | ||
| } | ||
|
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| $counts = $this->fetchServiceCounters($url); | ||
|
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| $this->saveCacheEntry($cacheKey, $counts); | ||
|
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| return $counts; | ||
| } | ||
|
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| private function isValidDomain(string $url): bool | ||
| { | ||
| if (0 === \count($this->domains)) { | ||
| $parsed = parse_url($url); | ||
|
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| if (false === $parsed) { | ||
| return false; | ||
| } | ||
|
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| return \in_array($parsed['host'], $this->domains, true); | ||
| } | ||
|
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| return true; | ||
| } | ||
|
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| private function cacheKey(string $url): string | ||
| { | ||
| return md5($url); | ||
| } | ||
|
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| private function fetchServiceCounters(string $url): array | ||
| { | ||
| $counts = []; | ||
|
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| foreach ($this->serviceManager->getActive() as $service) { | ||
| $request = $service->createRequest($this->requestFactory, $url); | ||
|
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| try { | ||
| $response = $this->client->sendRequest($request); | ||
|
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| $counts[$service->getCode()] = $service->count($response); | ||
| } catch (FetchException $e) { | ||
| $this->logger->warning($e->getMessage(), [ | ||
| 'exception' => $e, | ||
| 'responseBody' => $e->getResponseBody(), | ||
| ]); | ||
| } catch (ClientExceptionInterface $e) { | ||
| $this->logger->warning($e->getMessage(), [ | ||
| 'exception' => $e, | ||
| ]); | ||
| } | ||
| } | ||
|
|
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| return $counts; | ||
| } | ||
|
|
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| private function saveCacheEntry(string $cacheKey, array $counts): void | ||
| { | ||
| $item = $this->cache->getItem($cacheKey); | ||
| $item->set(json_encode($counts)); | ||
|
|
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| $this->cache->save($item); | ||
| } | ||
| } |
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