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<?php
namespace JsonApi\Routes\Courseware;
use JsonApi\NonJsonApiController;
use Courseware\StructuralElement;
use JsonApi\Errors\AuthorizationFailedException;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
/**
* Link an courseware structural element to another courseware structural element
*
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.2
*/
class StructuralElementsLink extends NonJsonApiController
{
public function __invoke(Request $request, Response $response, array $args)
{
$data = $request->getParsedBody()['data'];
$targetElement = StructuralElement::find($args['id']);
$parent = StructuralElement::find($data['parent_id']);
$user = $this->getUser($request);
if (!Authority::canCreateStructuralElement($user, $parent) || !Authority::canUpdateStructuralElement($user, $targetElement)) {
throw new AuthorizationFailedException();
}
$newElement = $this->linkElement($user, $targetElement, $parent);
return $this->redirectToStructuralElement($response, $newElement);
}
private function linkElement(\User $user, StructuralElement $targetElement, StructuralElement $parent)
{
$newElement = $targetElement->link($user, $parent);
return $newElement;
}
/**
* @SuppressWarnings(PHPMD.Superglobals)
*/
private function redirectToStructuralElement(Response $response, StructuralElement $resource): Response
{
$pathinfo = $this->getSchema($resource)
->getSelfLink($resource)
->getStringRepresentation($this->container->get('json-api-integration-urlPrefix'));
$old = \URLHelper::setBaseURL($GLOBALS['ABSOLUTE_URI_STUDIP']);
$url = \URLHelper::getURL($pathinfo, [], true);
\URLHelper::setBaseURL($old);
return $response->withHeader('Location', $url)->withStatus(303);
}
}
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