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<?php |
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/* |
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* This file is part of the xAPI package. |
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* |
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* (c) Christian Flothmann <[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 Xabbuh\XApi\Client\Request; |
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use Http\Client\Exception; |
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use Http\Client\HttpClient; |
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use Http\Message\RequestFactory; |
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use Psr\Http\Message\RequestInterface; |
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use Xabbuh\XApi\Common\Exception\AccessDeniedException; |
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use Xabbuh\XApi\Common\Exception\ConflictException; |
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use Xabbuh\XApi\Common\Exception\NotFoundException; |
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use Xabbuh\XApi\Common\Exception\XApiException; |
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/** |
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* Prepares and executes xAPI HTTP requests. |
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* |
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* @author Christian Flothmann <[email protected]> |
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*/ |
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final class Handler implements HandlerInterface |
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{ |
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private $httpClient; |
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private $requestFactory; |
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private $baseUri; |
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private $version; |
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/** |
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* @param HttpClient $httpClient The HTTP client sending requests to the remote LRS |
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* @param RequestFactory $requestFactory The factory used to create PSR-7 HTTP requests |
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* @param string $baseUri The APIs base URI (all end points will be created relatively to this URI) |
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* @param string $version The xAPI version |
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*/ |
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public function __construct(HttpClient $httpClient, RequestFactory $requestFactory, $baseUri, $version) |
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{ |
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$this->httpClient = $httpClient; |
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$this->requestFactory = $requestFactory; |
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$this->baseUri = $baseUri; |
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$this->version = $version; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function createRequest($method, $uri, array $urlParameters = array(), $body = null, array $headers = array()) |
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{ |
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if (!in_array(strtoupper($method), array('GET', 'POST', 'PUT', 'DELETE'))) { |
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throw new \InvalidArgumentException(sprintf('"%s" is no valid HTTP method (expected one of [GET, POST, PUT, DELETE]) in an xAPI context.', $method)); |
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} |
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$uri = rtrim($this->baseUri, '/').'/'.ltrim($uri, '/'); |
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if (count($urlParameters) > 0) { |
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$uri .= '?'.http_build_query($urlParameters); |
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} |
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if (!isset($headers['X-Experience-API-Version'])) { |
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$headers['X-Experience-API-Version'] = $this->version; |
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} |
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if (!isset($headers['Content-Type'])) { |
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$headers['Content-Type'] = 'application/json'; |
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} |
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return $this->requestFactory->createRequest(strtoupper($method), $uri, $headers, $body); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function executeRequest(RequestInterface $request, array $validStatusCodes) |
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{ |
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try { |
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$response = $this->httpClient->sendRequest($request); |
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} catch (Exception $e) { |
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throw new XApiException($e->getMessage(), $e->getCode(), $e); |
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} |
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// catch some common errors |
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if (in_array($response->getStatusCode(), array(401, 403))) { |
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throw new AccessDeniedException( |
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(string) $response->getBody(), |
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$response->getStatusCode() |
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); |
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} elseif (404 === $response->getStatusCode()) { |
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throw new NotFoundException((string) $response->getBody()); |
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} elseif (409 === $response->getStatusCode()) { |
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throw new ConflictException((string) $response->getBody()); |
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} |
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if (!in_array($response->getStatusCode(), $validStatusCodes)) { |
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throw new XApiException((string) $response->getBody(), $response->getStatusCode()); |
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} |
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return $response; |
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} |
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} |
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php-xapi /
client
