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<?php |
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/* |
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* This file is part of the Superdesk Web Publisher Core Bundle. |
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* |
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* Copyright 2016 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2016 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Bundle\CoreBundle\Fragment; |
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use SWP\Bundle\BridgeBundle\Client\GuzzleClient; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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/** |
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* Class ExternalFragmentRenderer. |
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* |
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* Render content fetched from external uri with guzzle. |
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*/ |
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class ExternalFragmentRenderer implements FragmentRendererInterface |
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{ |
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/** |
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* @var HttpKernelInterface |
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*/ |
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private $kernel; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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private $dispatcher; |
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/** |
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* Constructor. |
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* |
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* @param HttpKernelInterface $kernel A HttpKernelInterface instance |
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* @param EventDispatcherInterface $dispatcher A EventDispatcherInterface instance |
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*/ |
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public function __construct(HttpKernelInterface $kernel, EventDispatcherInterface $dispatcher = null) |
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{ |
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$this->kernel = $kernel; |
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$this->dispatcher = $dispatcher; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render($uri, Request $request, array $options = []) |
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{ |
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$level = ob_get_level(); |
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try { |
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return new Response($this->createExternalRequest($uri)); |
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} catch (\Throwable $e) { |
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// we dispatch the exception event to trigger the logging |
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// the response that comes back is simply ignored |
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if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) { |
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$event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e); |
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$this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event); |
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} |
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// let's clean up the output buffers that were created by the sub-request |
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Response::closeOutputBuffers($level, false); |
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if (isset($options['alt'])) { |
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$alt = $options['alt']; |
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unset($options['alt']); |
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return $this->render($alt, $request, $options); |
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} |
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if (!isset($options['ignore_errors']) || !$options['ignore_errors']) { |
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throw $e; |
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} |
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return new Response(); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'external'; |
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} |
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/** |
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* @param string $uri |
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* |
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* @return mixed |
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*/ |
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private function createExternalRequest(string $uri) |
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{ |
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$client = new GuzzleClient(); |
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return $client->makeCall($uri)['body']; |
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} |
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} |
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ahilles107 /
web-publisher
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