UserToolbarItem.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Backend\Backend\ToolbarItems;
 
use ‪TYPO3\CMS\Backend\Domain\Repository\Module\BackendModuleRepository;
use ‪TYPO3\CMS\Backend\Routing\UriBuilder;
use ‪TYPO3\CMS\Backend\Toolbar\ToolbarItemInterface;
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Fluid\View\StandaloneView;
 
class ‪UserToolbarItem implements ‪ToolbarItemInterface
{
    public function ‪checkAccess()
    {
        return true;
    }
 
    public function ‪getItem()
    {
        $backendUser = $this->‪getBackendUser();
        $view = $this->‪getFluidTemplateObject('UserToolbarItem.html');
        $view->assignMultiple([
            'currentUser' => $backendUser->user,
            'switchUserMode' => $backendUser->user['ses_backuserid'],
        ]);
        return $view->render();
    }
 
    public function ‪getDropDown()
    {
        $backendUser = $this->‪getBackendUser();
 
        $backendModuleRepository = GeneralUtility::makeInstance(BackendModuleRepository::class);
        $uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
 
        $mostRecentUsers = [];
        if (‪ExtensionManagementUtility::isLoaded('beuser')
            && $backendUser->isAdmin()
            && (int)$backendUser->user['ses_backuserid'] === 0
            && isset($backendUser->uc['recentSwitchedToUsers'])
            && is_array($backendUser->uc['recentSwitchedToUsers'])
        ) {
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('be_users');
            $result = $queryBuilder
                ->select('uid', 'username', 'realName')
                ->from('be_users')
                ->where(
                    $queryBuilder->expr()->in('uid', $queryBuilder->createNamedParameter($backendUser->uc['recentSwitchedToUsers'], Connection::PARAM_INT_ARRAY))
                )->execute();
 
            // Flip the array to have a "sorted" list of items
            $mostRecentUsers = array_flip($backendUser->uc['recentSwitchedToUsers']);
 
            while ($row = $result->fetch()) {
                $row['switchUserLink'] = (string)$uriBuilder->buildUriFromRoute(
                    'system_BeuserTxBeuser',
                    [
                        'SwitchUser' => $row['uid']
                    ]
                );
 
                $mostRecentUsers[$row['uid']] = $row;
            }
 
            // Remove any item that is not an array (means, the stored uid is not available anymore)
            $mostRecentUsers = array_filter($mostRecentUsers, function ($record) {
                return is_array($record);
            });
 
            $availableUsers = array_keys($mostRecentUsers);
            if (!empty(array_diff($backendUser->uc['recentSwitchedToUsers'], $availableUsers))) {
                $backendUser->uc['recentSwitchedToUsers'] = $availableUsers;
                $backendUser->writeUC();
            }
        }
 
        $view = $this->‪getFluidTemplateObject('UserToolbarItemDropDown.html');
        $view->assignMultiple([
            'modules' => $backendModuleRepository->findByModuleName('user')->getChildren(),
            'logoutUrl' => (string)$uriBuilder->buildUriFromRoute('logout'),
            'switchUserMode' => $this->getBackendUser()->user['ses_backuserid'],
            'recentUsers' => $mostRecentUsers,
        ]);
        return $view->render();
    }
 
    public function ‪getAdditionalAttributes()
    {
        $result = [
            'class' => 'toolbar-item-user'
        ];
        if ($this->‪getBackendUser()->user['ses_backuserid']) {
            $result['class'] .= ' su-user';
        }
        return $result;
    }
 
    public function ‪hasDropDown()
    {
        return true;
    }
 
    public function ‪getIndex()
    {
        return 80;
    }
 
    protected function ‪getBackendUser()
    {
        return ‪$GLOBALS['BE_USER'];
    }
 
    protected function ‪getFluidTemplateObject(string $filename): ‪StandaloneView
    {
        $view = GeneralUtility::makeInstance(StandaloneView::class);
        $view->setLayoutRootPaths(['EXT:backend/Resources/Private/Layouts']);
        $view->setPartialRootPaths(['EXT:backend/Resources/Private/Partials/ToolbarItems']);
        $view->setTemplateRootPaths(['EXT:backend/Resources/Private/Templates/ToolbarItems']);
 
        $view->setTemplate($filename);
 
        $view->getRequest()->setControllerExtensionName('Backend');
        return $view;
    }
}