BookStack/app/References/ModelResolvers/BookshelfLinkModelResolver.php

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<?php
namespace BookStack\References\ModelResolvers;
use BookStack\Entities\Models\Bookshelf;
use BookStack\Model;
class BookshelfLinkModelResolver implements CrossLinkModelResolver
{
public function resolve(string $link): ?Model
{
$pattern = '/^' . preg_quote(url('/shelves'), '/') . '\/([\w-]+)' . '([#?\/]|$)/';
$matches = [];
$match = preg_match($pattern, $link, $matches);
if (!$match) {
return null;
}
$shelfSlug = $matches[1];
/** @var ?Bookshelf $model */
$model = Bookshelf::query()->where('slug', '=', $shelfSlug)->first(['id']);
return $model;
}
}