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

   1 <?php
   2
   3 namespace BookStack\References\ModelResolvers;
   4
   5 use BookStack\App\Model;
   6 use BookStack\Entities\Models\Book;
   7 use BookStack\Entities\Queries\BookQueries;
   8
   9 class BookLinkModelResolver implements CrossLinkModelResolver
  10 {
  11     public function __construct(
  12         protected BookQueries $queries
  13     ) {
  14     }
  15
  16     public function resolve(string $link): ?Model
  17     {
  18         $pattern = '/^' . preg_quote(url('/books'), '/') . '\/([\w-]+)' . '([#?\/]|$)/';
  19         $matches = [];
  20         $match = preg_match($pattern, $link, $matches);
  21         if (!$match) {
  22             return null;
  23         }
  24
  25         $bookSlug = $matches[1];
  26
  27         /** @var ?Book $model */
  28         $model = $this->queries->start()->where('slug', '=', $bookSlug)->first(['id']);
  29
  30         return $model;
  31     }
  32 }