AccessQuestionImage.php

Go to the documentation of this file.

<?php
 
declare(strict_types=1);
 
namespace ILIAS\Modules\Test;
 
use ILIAS\Data\Result;
use ILIAS\Data\Result\Ok;
use ILIAS\Data\Result\Error;
 
class AccessQuestionImage implements SimpleAccess
{
    private Readable $readable;
 
    public function __construct(Readable $readable)
    {
        $this->readable = $readable;
    }
 
    public function isPermitted(string $path): Result
    {
        $object_id = $this->objectId($path);
        if (!$object_id) {
            return new Error('Not a question image path of test questions.');
        }
 
        return new Ok($this->readable->objectId($object_id));
    }
 
    private function objectId(string $path): ?int
    {
        $results = [];
        if (!preg_match(':/assessment/(\d+)/(\d+)/images/([^/]+)$:', $path, $results)) {
            return null;
        }
 
        return (int) $results[1];
    }
}