72 lines
2.3 KiB
PHP
72 lines
2.3 KiB
PHP
<?php
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namespace TYPO3\CMS\Belog\ViewHelpers;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Extbase\Domain\Repository\BackendUserRepository;
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use TYPO3\CMS\Extbase\Object\ObjectManager;
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use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
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use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
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/**
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* Get username from backend user id
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* @internal
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*/
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class UsernameViewHelper extends AbstractViewHelper
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{
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use CompileWithRenderStatic;
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/**
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* First level cache of user names
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*
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* @var array
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*/
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protected static $usernameRuntimeCache = [];
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/**
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* Initializes the arguments
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*/
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public function initializeArguments()
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{
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$this->registerArgument('uid', 'int', 'Uid of the user', true);
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}
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/**
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* Resolve user name from backend user id.
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*
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* @param array $arguments
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* @param \Closure $renderChildrenClosure
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* @param RenderingContextInterface $renderingContext
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*
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* @return string Username or an empty string if there is no user with that UID
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*/
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public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
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{
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$uid = $arguments['uid'];
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if (isset(static::$usernameRuntimeCache[$uid])) {
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return static::$usernameRuntimeCache[$uid];
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}
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$objectManager = GeneralUtility::makeInstance(ObjectManager::class);
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$backendUserRepository = $objectManager->get(BackendUserRepository::class);
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/** @var \TYPO3\CMS\Extbase\Domain\Model\BackendUser $user */
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$user = $backendUserRepository->findByUid($uid);
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// $user may be NULL if user was deleted from DB, set it to empty string to always return a string
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static::$usernameRuntimeCache[$uid] = $user === null ? '' : $user->getUserName();
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return static::$usernameRuntimeCache[$uid];
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}
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}
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