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typo3/sysext/sys_note/Classes/Controller/NoteController.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\SysNote\Controller;
+
+/*
+ * 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!
+ */
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\SysNote\Domain\Repository\SysNoteRepository;
+
+/**
+ * Renders notes for the current backend user
+ *
+ * @internal
+ */
+class NoteController
+{
+    /**
+     * @var SysNoteRepository
+     */
+    protected $notesRepository;
+
+    public function __construct()
+    {
+        $this->notesRepository = GeneralUtility::makeInstance(SysNoteRepository::class);
+    }
+
+    /**
+     * Render notes by single PID or PID list
+     *
+     * @param string $pids Single PID or comma separated list of PIDs
+     * @param int|null $position null for no restriction, integer for defined position
+     * @return string
+     */
+    public function listAction($pids, int $position = null): string
+    {
+        if (empty($pids) || empty($GLOBALS['BE_USER']->user['uid'])) {
+            return '';
+        }
+
+        $notes = $this->notesRepository->findByPidsAndAuthorId($pids, (int)$GLOBALS['BE_USER']->user['uid'], $position);
+        if ($notes) {
+            $view = GeneralUtility::makeInstance(StandaloneView::class);
+            $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName(
+                'EXT:sys_note/Resources/Private/Templates/Note/List.html'
+            ));
+            $view->setLayoutRootPaths(['EXT:sys_note/Resources/Private/Layouts']);
+            $view->getRequest()->setControllerExtensionName('SysNote');
+            $view->assign('notes', $notes);
+            return $view->render();
+        }
+
+        return '';
+    }
+}