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<?php
namespace JsonApi\Routes\RangeTree;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\RecordNotFoundException;
use JsonApi\JsonApiController;
/**
* Zeigt eine bestimmte Veranstaltung an.
*/
class RangeTreeIndex extends JsonApiController
{
protected $allowedIncludePaths = [
'children',
'courses',
'institute',
'parent',
];
protected $allowedPagingParameters = ['offset', 'limit'];
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __invoke(Request $request, Response $response, $args)
{
$tree = \TreeAbstract::getInstance('StudipSemTree', ['visible_only' => 1]);
$studyAreas = self::mapTree('root', $tree);
list($offset, $limit) = $this->getOffsetAndLimit();
return $this->getPaginatedContentResponse(
array_slice($studyAreas, $offset, $limit),
count($studyAreas)
);
}
private function mapTree($parentId, &$tree)
{
$level = [];
$kids = $tree->getKids($parentId);
if (is_array($kids) && count($kids) > 0) {
foreach ($kids as $kid) {
$level[] = \StudipStudyArea::find($kid);
$level = array_merge($level, self::mapTree($kid, $tree));
}
}
return $level;
}
}