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typo3/sysext/beuser/Classes/Service/ModuleDataStorageService.php

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+<?php
+namespace TYPO3\CMS\Beuser\Service;
+
+use TYPO3\CMS\Beuser\Domain\Model\Demand;
+use TYPO3\CMS\Beuser\Domain\Model\ModuleData;
+
+/*
+ * 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!
+ */
+
+/**
+ * Module data storage service.
+ * Used to store and retrieve module state (eg. checkboxes, selections).
+ * @internal This class is a TYPO3 Backend implementation and is not considered part of the Public TYPO3 API.
+ */
+class ModuleDataStorageService implements \TYPO3\CMS\Core\SingletonInterface
+{
+    /**
+     * @var string
+     */
+    const KEY = 'tx_beuser';
+
+    /**
+     * @var \TYPO3\CMS\Extbase\Object\ObjectManagerInterface
+     */
+    protected $objectManager;
+
+    /**
+     * @param \TYPO3\CMS\Extbase\Object\ObjectManagerInterface $objectManager
+     */
+    public function injectObjectManager(\TYPO3\CMS\Extbase\Object\ObjectManagerInterface $objectManager)
+    {
+        $this->objectManager = $objectManager;
+    }
+
+    /**
+     * Loads module data for user settings or returns a fresh object if module data is invalid or unset
+     *
+     * @return \TYPO3\CMS\Beuser\Domain\Model\ModuleData
+     */
+    public function loadModuleData()
+    {
+        $moduleData = $GLOBALS['BE_USER']->getModuleData(self::KEY) ?? '';
+        if ($moduleData !== '') {
+            $moduleData = @unserialize($moduleData, ['allowed_classes' => [ModuleData::class, Demand::class]]);
+            if ($moduleData instanceof ModuleData) {
+                return $moduleData;
+            }
+        }
+
+        return $this->objectManager->get(ModuleData::class);
+    }
+
+    /**
+     * Persists serialized module data to user settings
+     *
+     * @param \TYPO3\CMS\Beuser\Domain\Model\ModuleData $moduleData
+     */
+    public function persistModuleData(\TYPO3\CMS\Beuser\Domain\Model\ModuleData $moduleData)
+    {
+        $GLOBALS['BE_USER']->pushModuleData(self::KEY, serialize($moduleData));
+    }
+}