[TASK] Doctrine: Migrate AvatarViewHelper

Resolves: #77289
Releases: master
Change-Id: I59b9251ff037d46601513942f944a7313d3e67c3
Reviewed-on: https://review.typo3.org/49247


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/backend/Classes/ViewHelpers/AvatarViewHelper.php

@@ -14,6 +14,7 @@ namespace TYPO3\CMS\Backend\ViewHelpers;
  * The TYPO3 project - inspiring people to share!
  */
 use TYPO3\CMS\Backend\Backend\Avatar\Avatar;
+use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
 use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
@@ -66,7 +67,14 @@ class AvatarViewHelper extends AbstractViewHelper
     public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
     {
         if ($arguments['backendUser'] > 0) {
-            $backendUser = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('*', 'be_users', 'uid=' . (int)$arguments['backendUser']);
+            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('be_users');
+            $queryBuilder->getRestrictions()->removeAll();
+            $backendUser = $queryBuilder
+                ->select('*')
+                ->from('be_users')
+                ->where($queryBuilder->expr()->eq('uid', (int)$arguments['backendUser']))
+                ->execute()
+                ->fetch();
         } else {
             $backendUser = $GLOBALS['BE_USER']->user;
         }