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<?php
/**
*
*/
namespace SilverStripe\VersionedAdmin\Controllers;
use SilverStripe\CMS\Controllers\CMSPageHistoryController;
use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Core\Extensible;
use SilverStripe\Core\Injector\Factory;
use SilverStripe\Core\Injector\Injector;
class HistoryControllerFactory implements Factory
{
use Extensible;
public function create($service, array $params = array())
$request = Injector::inst()->get(HTTPRequest::class);
$id = $request->param('ID');
if ($id) {
$page = SiteTree::get()->byID($id);
if ($page && $this->isEnabled($page)) {
return Injector::inst()->create(CMSPageHistoryViewerController::class);
}
// Injector is not used to prevent an infinite loop
return new CMSPageHistoryController();
* Only activate for pages that have a history viewer capability applied. Extensions can provide their
* own two cents about this criteria.
* @param SiteTree $record
* @return bool
public function isEnabled(SiteTree $record)
$enabledResults = array_filter($this->extend('updateIsEnabled', $record));
return (!empty($enabledResults) && max($enabledResults) === true);
silverstripe /
silverstripe-versioned-admin
