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<?php |
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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 Http\Client\HttpClient; |
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use Http\Message\MessageFactory; |
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use Psr\Http\Message\ResponseInterface; |
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final class HTTPlugConnection extends AbstractConnection |
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{ |
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/** |
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* @var HttpClient |
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*/ |
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private $client; |
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/** |
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* @var MessageFactory |
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*/ |
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private $messageFactory; |
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/** |
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* Initialize client. |
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* |
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* @param HttpClient $client |
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* @param MessageFactory $messageFactory |
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* @param string $apikey |
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* @param string $sharedSecret |
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* @param string $uri |
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*/ |
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public function __construct(HttpClient $client, MessageFactory $messageFactory, string $apikey, string $sharedSecret, string $uri = null) |
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{ |
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parent::__construct($apikey, $sharedSecret, $uri); |
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$this->client = $client; |
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$this->messageFactory = $messageFactory; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPageBody(string $url): ? string |
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{ |
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$request = $this->messageFactory->createRequest('GET', $url); |
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$response = $this->client->sendRequest($request); |
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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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/** |
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* {@inheritdoc} |
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*/ |
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protected function call(array $params, string $requestMethod = 'GET') : array |
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{ |
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$params = array_merge($params, array('format' => 'json')); |
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$data = $this->buildParameter($params); |
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$request = $this->messageFactory->createRequest($requestMethod, $this->uri, array(), $data); |
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try { |
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$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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} |
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} |
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/** |
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* @param ResponseInterface $response |
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* |
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* @return array |
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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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* Builds request parameter. |
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* |
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* @param array $parameter |
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* |
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* @return string |
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*/ |
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private function buildParameter(array $parameter): string |
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{ |
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return http_build_query($parameter); |
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} |
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} |
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core23 /
lastfm-php-api
