BookStack Code Mirror - bookstack/blob - app/Entities/BreadcrumbsViewComposer.php

   1 <?php namespace BookStack\Entities;
   2
   3 use Illuminate\View\View;
   4
   5 class BreadcrumbsViewComposer
   6 {
   7
   8     protected $entityContextManager;
   9
  10     /**
  11      * BreadcrumbsViewComposer constructor.
  12      * @param EntityContextManager $entityContextManager
  13      */
  14     public function __construct(EntityContextManager $entityContextManager)
  15     {
  16         $this->entityContextManager = $entityContextManager;
  17     }
  18
  19     /**
  20      * Modify data when the view is composed.
  21      * @param View $view
  22      */
  23     public function compose(View $view)
  24     {
  25         $crumbs = $view->getData()['crumbs'];
  26         if (array_first($crumbs) instanceof Book) {
  27             $shelf = $this->entityContextManager->getContextualShelfForBook(array_first($crumbs));
  28             if ($shelf) {
  29                 array_unshift($crumbs, $shelf);
  30                 $view->with('crumbs', $crumbs);
  31             }
  32         }
  33     }
  34 }