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<?php |
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/** |
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* Http request helper, to make http client in one place. |
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*/ |
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namespace Graviton\ProxyApiBundle\Helper; |
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use Graviton\ProxyApiBundle\Listener\ProxyExceptionListener; |
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use GuzzleHttp\Client as httpClient; |
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use GuzzleHttp\Exception\ClientException; |
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use GuzzleHttp\Promise\RejectedPromise; |
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use GuzzleHttp\Psr7\Response as ClientResponse; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* Request manager and service definition start up |
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* Build by compiler to be used in ProxyManager |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class HttpHelper |
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{ |
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protected $options = []; |
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protected $requestUri = ''; |
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protected $requestMethod = 'GET'; |
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/** |
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* HttpHelper for Guzzle operations. |
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* |
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* @param httpClient $httpClient Sf Request information service |
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*/ |
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public function __construct( |
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httpClient $httpClient |
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) { |
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$this->httpClient = $httpClient; |
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} |
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/** |
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* @param string $uri Remote server Base url |
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* @return void |
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*/ |
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public function setBaseUri($uri) |
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{ |
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$this->options['base_uri'] = $uri; |
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} |
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/** |
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* @param string $uri Remote server Base url |
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* @return void |
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*/ |
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public function setRequestUri($uri) |
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{ |
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$this->requestUri = $uri; |
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} |
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/** |
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* @param string $method GET | POST | ... |
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* @return void |
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*/ |
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public function setMethod($method) |
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{ |
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$this->requestMethod = $method; |
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} |
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/** |
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* Client request header |
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* |
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* @param string $name key field |
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* @param string $value assignation |
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* @return void |
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*/ |
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public function addHeader($name, $value) |
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{ |
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if (!array_key_exists('headers', $this->options)) { |
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$this->options['headers'] = []; |
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} |
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$this->options['headers'] = [$name => $value]; |
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} |
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/** |
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* Client request query params |
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* |
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* @param string $name key field |
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* @param string $value assignation |
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* @return void |
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*/ |
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public function addQueryParams($name, $value) |
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{ |
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if (!array_key_exists('query', $this->options)) { |
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$this->options['query'] = []; |
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} |
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$this->options['query'][$name] = $value; |
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} |
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/** |
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* Run request against server |
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* |
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* @return Response |
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*/ |
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public function execute() |
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{ |
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try { |
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/** @var ClientResponse $httpResponse */ |
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$httpResponse = $this->httpClient->request( |
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$this->requestMethod, |
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$this->requestUri, |
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$this->options |
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); |
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} catch (ClientException $e) { |
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$status = $e->getResponse()->getStatusCode(); |
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throw new ProxyExceptionListener($status, 'Could not execute request, rejected by server.'); |
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} catch (\Exception $e) { |
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throw new ProxyExceptionListener(400, 'Could not execute request, failure.'); |
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} |
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$response = new Response(); |
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$response->headers->set('Content-Type', 'application/json'); |
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$headers = $httpResponse->getHeaders(); |
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$httpResponse->getStatusCode(); |
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// Make response with correct content headers |
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if (array_key_exists('Content-Type', $headers)) { |
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$response->headers->set('Content-Type', $headers['Content-Type']); |
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} |
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$response->setContent($httpResponse->getBody()); |
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$response->setStatusCode($httpResponse->getStatusCode()); |
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return $response; |
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} |
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} |
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libgraviton /
graviton
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: