BookStack/app/Entities/BreadcrumbsViewComposer.php
2019-09-13 23:58:40 +01:00

35 lines
910 B
PHP

<?php namespace BookStack\Entities;
use Illuminate\View\View;
class BreadcrumbsViewComposer
{
protected $entityContextManager;
/**
* BreadcrumbsViewComposer constructor.
* @param EntityContextManager $entityContextManager
*/
public function __construct(EntityContextManager $entityContextManager)
{
$this->entityContextManager = $entityContextManager;
}
/**
* Modify data when the view is composed.
* @param View $view
*/
public function compose(View $view)
{
$crumbs = $view->getData()['crumbs'];
$firstCrumb = $crumbs[0] ?? null;
if ($firstCrumb instanceof Book) {
$shelf = $this->entityContextManager->getContextualShelfForBook($firstCrumb);
if ($shelf) {
array_unshift($crumbs, $shelf);
$view->with('crumbs', $crumbs);
}
}
}
}