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<?php |
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declare(strict_types=1); |
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/* |
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* (c) Christian Gripp <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Core23\LastFm\Connection; |
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use Core23\LastFm\Exception\ApiException; |
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use Psr\Http\Client\ClientExceptionInterface; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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final class PsrClientConnection implements ConnectionInterface |
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{ |
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/** |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** |
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* @var RequestFactoryInterface |
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*/ |
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private $requestFactory; |
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/** |
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* @var string |
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*/ |
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private $endpoint; |
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/** |
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* Initialize client. |
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*/ |
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public function __construct(ClientInterface $client, RequestFactoryInterface $messageFactory, string $endpoint = ConnectionInterface::DEFAULT_ENDPOINT) |
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{ |
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$this->client = $client; |
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$this->requestFactory = $messageFactory; |
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$this->endpoint = $endpoint; |
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} |
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public function getPageBody(string $url, array $params = [], string $method = 'GET'): ?string |
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{ |
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$request = $this->createRequest($method, $url, $params); |
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try { |
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$response = $this->client->sendRequest($request); |
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} catch (ClientExceptionInterface $e) { |
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throw new ApiException( |
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sprintf('Error fetching page body for url: %s', (string) $request->getUri()), |
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500, |
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$e |
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); |
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} |
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if ($response->getStatusCode() >= 400) { |
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return null; |
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} |
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return $response->getBody()->getContents(); |
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} |
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public function call(string $url, array $params = [], string $method = 'GET'): array |
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{ |
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$params = array_merge($params, ['format' => 'json']); |
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$request = $this->createRequest($method, $this->endpoint, $params); |
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try { |
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$response = $this->client->sendRequest($request); |
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// Parse response |
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return $this->parseResponse($response); |
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} catch (ApiException $e) { |
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throw $e; |
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} catch (\Exception $e) { |
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throw new ApiException('Technical error occurred.', 500, $e); |
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} catch (ClientExceptionInterface $e) { |
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throw new ApiException('Technical error occurred.', 500, $e); |
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} |
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} |
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private function createRequest(string $method, string $url, array $params): RequestInterface |
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{ |
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$query = http_build_query($params); |
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if ('POST' === $method) { |
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$request = $this->requestFactory->createRequest($method, $url); |
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$request->getBody()->write($query); |
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return $request; |
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} |
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return $this->requestFactory->createRequest($method, $url.'?'.$query); |
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} |
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/** |
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* @throws ApiException |
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*/ |
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private function parseResponse(ResponseInterface $response): array |
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{ |
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$array = json_decode($response->getBody()->getContents(), true); |
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if (\is_array($array) && \array_key_exists('error', $array) && \array_key_exists('message', $array)) { |
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throw new ApiException($array['message'], $array['error']); |
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} |
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return $array; |
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} |
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} |
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core23 /
lastfm-php-api
