TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:31 +02:00
commit 3e43c11539
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Install\Service;
+
+use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Package\PackageManager;
+
+/**
+ * Service handling clearing and statistics of semi-persistent core tables.
+ *
+ * @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
+ */
+#[Autoconfigure(public: true)]
+final readonly class ClearTableService
+{
+    public function __construct(
+        private ConnectionPool $connectionPool,
+        private PackageManager $packageManager,
+    ) {}
+
+    /**
+     * Get an array of all affected tables, a short description and their row counts
+     */
+    public function getTableStatistics(): array
+    {
+        $tableStatistics = [];
+        foreach ($this->getTableList() as $table) {
+            $connection = $this->connectionPool->getConnectionForTable($table['name']);
+            if ($connection->createSchemaManager()->tablesExist([$table['name']])) {
+                $table['rowCount'] = $connection->count(
+                    '*',
+                    $table['name'],
+                    []
+                );
+                $tableStatistics[] = $table;
+            }
+        }
+        return $tableStatistics;
+    }
+
+    /**
+     * Truncate a table from $this->tableList
+     */
+    public function clearSelectedTable(string $tableName): void
+    {
+        $tableFound = false;
+        foreach ($this->getTableList() as $table) {
+            if ($table['name'] === $tableName) {
+                $tableFound = true;
+                break;
+            }
+        }
+        if (!$tableFound) {
+            throw new \RuntimeException(
+                'Selected table ' . $tableName . ' can not be cleared',
+                1501942151
+            );
+        }
+        $this->connectionPool->getConnectionForTable($tableName)->truncate($tableName);
+    }
+
+    /**
+     * List of tables and their description
+     */
+    private function getTableList(): array
+    {
+        $tableList = [
+            [
+                'name' => 'be_sessions',
+                'description' => 'Backend user sessions',
+            ],
+            [
+                'name' => 'fe_sessions',
+                'description' => 'Frontend user sessions',
+            ],
+            [
+                'name' => 'sys_lockedrecords',
+                'description' => 'Record locking of backend user editing',
+            ],
+            [
+                'name' => 'sys_http_report',
+                'description' => 'Requests with Content-Security-Policy Reports',
+            ],
+            [
+                'name' => 'sys_log',
+                'description' => 'General log table',
+            ],
+        ];
+        if ($this->packageManager->isPackageActive('workspaces')) {
+            $tableList[] = [
+                'name' => 'sys_preview',
+                'description' => 'Workspace preview links',
+            ];
+        }
+        if ($this->packageManager->isPackageActive('extensionmanager')) {
+            $tableList[] = [
+                'name' => 'tx_extensionmanager_domain_model_extension',
+                'description' => 'List of TER extensions',
+            ];
+        }
+        return $tableList;
+    }
+}