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BookStack/app/Entities/BreadcrumbsViewComposer.php
2021-06-26 15:23:15 +00:00

41 lines
987 B
PHP

<?php
namespace BookStack\Entities;
use BookStack\Entities\Models\Book;
use BookStack\Entities\Tools\ShelfContext;
use Illuminate\View\View;
class BreadcrumbsViewComposer
{
protected $entityContextManager;
/**
* BreadcrumbsViewComposer constructor.
*
* @param ShelfContext $entityContextManager
*/
public function __construct(ShelfContext $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);
}
}
}
}