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typo3/sysext/install/Classes/Updates/MigratePagesLanguageOverlayBeGroupsAccessRights.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Install\Updates;
+
+/*
+ * 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\Database\ConnectionPool;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Install\Service\UpgradeWizardsService;
+
+/**
+ * Merge access rights from be_groups concerning pages_language_overlay
+ * into pages
+ * @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
+ */
+class MigratePagesLanguageOverlayBeGroupsAccessRights implements UpgradeWizardInterface, ConfirmableInterface
+{
+    public function getIdentifier(): string
+    {
+        return 'pagesLanguageOverlayBeGroupsAccessRights';
+    }
+
+    public function getTitle(): string
+    {
+        return 'Merge be_groups access rights from pages_language_overlay to pages';
+    }
+
+    public function executeUpdate(): bool
+    {
+        $beGroupsQueryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable(
+            'be_groups'
+        );
+        $beGroupsQueryBuilder->getRestrictions()->removeAll();
+        $beGroupsRows = $beGroupsQueryBuilder
+            ->select('uid', 'non_exclude_fields', 'tables_modify')
+            ->from('be_groups')
+            ->execute();
+        while ($beGroupsRow = $beGroupsRows->fetch()) {
+            $updateNeeded = false;
+            if (!empty($beGroupsRow['tables_modify'])) {
+                // If 'pages_language_overlay' is allowed as table-modify, remove it and add
+                // 'pages' if it is not in there, yet.
+                $tablesArray = GeneralUtility::trimExplode(',', $beGroupsRow['tables_modify'], true);
+                $newTablesArray = $tablesArray;
+                if (in_array('pages_language_overlay', $tablesArray, true)) {
+                    $updateNeeded = true;
+                    $newTablesArray = array_diff($tablesArray, ['pages_language_overlay']);
+                    if (!in_array('pages', $newTablesArray, true)) {
+                        $newTablesArray[] = 'pages';
+                    }
+                }
+            } else {
+                $newTablesArray = [];
+            }
+            if (!empty($beGroupsRow['non_exclude_fields'])) {
+                // Exclude fields on 'pages_language_overlay' are removed and added as
+                // exclude fields on 'pages'
+                $excludeFields = GeneralUtility::trimExplode(',', $beGroupsRow['non_exclude_fields'], true);
+                $newExcludeFields = [];
+                foreach ($excludeFields as $tableFieldCombo) {
+                    if (strpos($tableFieldCombo, 'pages_language_overlay:') === 0) {
+                        $updateNeeded = true;
+                        $field = substr($tableFieldCombo, strlen('pages_language_overlay:'));
+                        $newExcludeFields[] = 'pages:' . $field;
+                    } else {
+                        $newExcludeFields[] = $tableFieldCombo;
+                    }
+                }
+                array_unique($newExcludeFields);
+            } else {
+                $newExcludeFields = [];
+            }
+            if ($updateNeeded) {
+                $updateBeGroupsQueryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
+                    ->getQueryBuilderForTable('be_groups');
+                $updateBeGroupsQueryBuilder
+                    ->update('be_groups')
+                    ->set('tables_modify', implode(',', $newTablesArray))
+                    ->set('non_exclude_fields', implode(',', $newExcludeFields))
+                    ->where(
+                        $updateBeGroupsQueryBuilder->expr()->eq(
+                            'uid',
+                            $updateBeGroupsQueryBuilder->createNamedParameter($beGroupsRow['uid'], \PDO::PARAM_INT)
+                        )
+                    )
+                    ->execute();
+            }
+        }
+        return true;
+    }
+
+    /**
+     * @return bool
+     */
+    public function updateNecessary(): bool
+    {
+        return !(new UpgradeWizardsService())->isWizardDone($this->getIdentifier());
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getPrerequisites(): array
+    {
+        return [
+            DatabaseUpdatedPrerequisite::class
+        ];
+    }
+
+    public function getDescription(): string
+    {
+        return 'The table pages_language_overlay will be removed to align the translation ' .
+               'handling for pages with the rest of the core. This wizard transfers all be_groups with ' .
+               'access restrictions to pages_language_overlay into pages.';
+    }
+
+    /**
+     * @return Confirmation
+     */
+    public function getConfirmation(): Confirmation
+    {
+        return GeneralUtility::makeInstance(
+            Confirmation::class,
+            'Are you sure?',
+            'Do you want to continue?',
+            false
+        );
+    }
+}