BookStack Code Mirror - bookstack/blob - app/Util/CrossLinking/ModelResolvers/BookLinkModelResolver.php

   1 <?php
   2
   3 namespace BookStack\Util\CrossLinking\ModelResolvers;
   4
   5 use BookStack\Entities\Models\Book;
   6 use BookStack\Model;
   7
   8 class BookLinkModelResolver implements CrossLinkModelResolver
   9 {
  10     public function resolve(string $link): ?Model
  11     {
  12         $pattern = '/^' . preg_quote(url('/books'), '/') . '\/([\w-]+)' . '[#?\/$]/';
  13         $matches = [];
  14         $match = preg_match($pattern, $link, $matches);
  15         if (!$match) {
  16             return null;
  17         }
  18
  19         $bookSlug = $matches[1];
  20
  21         /** @var ?Book $model */
  22         $model = Book::query()->where('slug', '=',  $bookSlug)->first();
  23
  24         return $model;
  25     }
  26 }