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

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+<?php
+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\Database\Schema\SchemaMigrator;
+use TYPO3\CMS\Core\Database\Schema\SqlReader;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Contains the update class for filling the basic repository record of the extension manager
+ *
+ * @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
+ */
+class ExtensionManagerTables implements UpgradeWizardInterface, RepeatableInterface
+{
+    /**
+     * @return string Unique identifier of this updater
+     */
+    public function getIdentifier(): string
+    {
+        return 'extensionManagerTables';
+    }
+
+    /**
+     * @return string Title of this updater
+     */
+    public function getTitle(): string
+    {
+        return 'Add the default Extension Manager database tables';
+    }
+
+    /**
+     * @return string Longer description of this updater
+     */
+    public function getDescription(): string
+    {
+        return 'Creates necessary database tables and adds static data for the Extension Manager.';
+    }
+
+    /**
+     * Checks if an update is needed
+     *
+     * @return bool Whether an update is needed (TRUE) or not (FALSE)
+     */
+    public function updateNecessary(): bool
+    {
+        $result = false;
+        // First check necessary database update
+        $updateStatements = array_filter($this->getUpdateStatements());
+        if (count($updateStatements) === 0) {
+            // Get count of rows in repository database table
+            $count = GeneralUtility::makeInstance(ConnectionPool::class)
+                ->getConnectionForTable('tx_extensionmanager_domain_model_repository')
+                ->count('*', 'tx_extensionmanager_domain_model_repository', []);
+
+            if ($count === 0) {
+                $result = true;
+            }
+        } else {
+            $result = true;
+        }
+        return $result;
+    }
+
+    /**
+     * @return string[] All new fields and tables must exist
+     */
+    public function getPrerequisites(): array
+    {
+        return [
+            DatabaseUpdatedPrerequisite::class
+        ];
+    }
+
+    /**
+     * Performs the database update.
+     *
+     * @return bool Whether it worked (TRUE) or not (FALSE)
+     */
+    public function executeUpdate(): bool
+    {
+        $result = true;
+
+        $sqlReader = GeneralUtility::makeInstance(SqlReader::class);
+        $createTableStatements = $this->getTableStatements();
+
+        // First perform all create, add and change queries
+        $schemaMigrationService = GeneralUtility::makeInstance(SchemaMigrator::class);
+        $schemaMigrationService->install($createTableStatements);
+
+        // Perform import of static data
+        $rawDefinitions = file_get_contents(
+            ExtensionManagementUtility::extPath('extensionmanager', 'ext_tables_static+adt.sql')
+        );
+
+        $insertStatements = $sqlReader->getInsertStatementArray($rawDefinitions);
+        $schemaMigrationService->importStaticData($insertStatements);
+
+        return $result;
+    }
+
+    /**
+     * Gets all create, add and change queries from ext_tables.sql
+     *
+     * @return array
+     */
+    protected function getUpdateStatements()
+    {
+        $updateStatements = [];
+        $emTableStatements = $this->getTableStatements();
+        if (count($emTableStatements)) {
+            $schemaMigrationService = GeneralUtility::makeInstance(SchemaMigrator::class);
+            $updateSuggestions = $schemaMigrationService->getUpdateSuggestions($emTableStatements);
+            $updateStatements = array_merge_recursive(...array_values($updateSuggestions));
+        }
+        return $updateStatements;
+    }
+
+    /**
+     * Get all CREATE TABLE statements from the ext_tables.sql file
+     *
+     * @return string[]
+     */
+    protected function getTableStatements(): array
+    {
+        $rawDefinitions = file_get_contents(ExtensionManagementUtility::extPath('extensionmanager', 'ext_tables.sql'));
+        $sqlReader = GeneralUtility::makeInstance(SqlReader::class);
+        return $sqlReader->getCreateTableStatementArray($rawDefinitions);
+    }
+}