BookStack/app/Util/CrossLinking/ModelResolvers/ChapterLinkModelResolver.php
Dan Brown 344b3a3615
Added system to extract model references from HTML content
For the start of a managed cross-linking system.
2022-08-16 13:23:53 +01:00

27 lines
717 B
PHP

<?php
namespace BookStack\Util\CrossLinking\ModelResolvers;
use BookStack\Entities\Models\Chapter;
use BookStack\Model;
class ChapterLinkModelResolver implements CrossLinkModelResolver
{
public function resolve(string $link): ?Model
{
$pattern = '/^' . preg_quote(url('/books'), '/') . '\/([\w-]+)' . '\/chapter\/' . '([\w-]+)' . '[#?\/$]/';
$matches = [];
$match = preg_match($pattern, $link, $matches);
if (!$match) {
return null;
}
$bookSlug = $matches[1];
$chapterSlug = $matches[2];
/** @var ?Chapter $model */
$model = Chapter::query()->whereSlugs($bookSlug, $chapterSlug)->first();
return $model;
}
}