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<?php
namespace JsonApi\Routes\CourseMemberships;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\BadRequestException;
use JsonApi\Errors\RecordNotFoundException;
use JsonApi\JsonApiController;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use JsonApi\Schemas\CourseMember;
class CourseMembershipsShow extends JsonApiController
{
protected $allowedIncludePaths = [CourseMember::REL_COURSE, CourseMember::REL_USER];
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __invoke(Request $request, Response $response, $args)
{
$membership = self::findMembership($args['id']);
if (!Authority::canShowMemberships($this->getUser($request), $membership)) {
throw new AuthorizationFailedException();
}
return $this->getContentResponse($membership);
}
private function findMembership($id)
{
if (!preg_match('/^([^_]+)_(.+)$/', $id, $matches)) {
throw new BadRequestException();
}
if (!$membership = \CourseMember::find([$matches[1], $matches[2]])) {
throw new RecordNotFoundException();
}
return $membership;
}
}
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