131 lines
4.2 KiB
PHP
131 lines
4.2 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch\System\Records;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2017 Timo Hund <timo.hund@dkd.de
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Database\Query\QueryBuilder;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Repository class to encapsulate the database access for records used in solr.
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*
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* @author Timo Hund <timo.hund@dkd.de>
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*/
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abstract class AbstractRepository
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{
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/**
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* @var string
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*/
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protected $table = '';
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/**
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* Retrieves a single row from the database by a given uid
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*
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* @param string $fields
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* @param string $uid
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* @return mixed
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*/
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protected function getOneRowByUid($fields, $uid)
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{
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$queryBuilder = $this->getQueryBuilder();
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return $queryBuilder
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->select($fields)
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->from($this->table)
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->where($queryBuilder->expr()->eq('uid', intval($uid)))
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->execute()->fetch();
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}
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/**
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* Returns QueryBuilder for Doctrine DBAL
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*
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* @return QueryBuilder
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*/
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protected function getQueryBuilder()
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{
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/** @var QueryBuilder $queryBuilder */
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
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return $queryBuilder;
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}
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/**
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* Returns current count of last searches
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*
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* @return int
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*/
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public function count() : int
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{
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return (int)$this->getQueryBuilder()
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->count('*')
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->from($this->table)
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->execute()->fetchColumn(0);
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}
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/**
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* Returns connection for all in transaction involved tables.
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*
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* Note: Rollback will not work in case of different connections.
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*
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* @param string[] ...$tableNames
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* @return Connection
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*/
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public function getConnectionForAllInTransactionInvolvedTables(string ...$tableNames) : Connection
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{
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if (empty($tableNames) || count($tableNames) < 2) {
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throw new \InvalidArgumentException(__METHOD__ . ' requires at least 2 table names.', 1504801512);
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}
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if (!$this->isConnectionForAllTablesTheSame(...$tableNames)) {
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throw new \RuntimeException(
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vsprintf('The tables "%s" using different database connections. Transaction needs same database connection ' .
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'for all tables, please reconfigure the database settings for involved tables properly.', [implode('", "', $tableNames)]
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), 1504866142
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);
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}
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return GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable(array_shift($tableNames));
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}
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/**
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* Checks whether all table involved in transaction using same connection.
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*
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* @param string[] ...$tableNames
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* @return bool
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*/
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protected function isConnectionForAllTablesTheSame(string ...$tableNames) : bool
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{
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/** @var ConnectionPool $connectionPool */
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$connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
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$connection = $connectionPool->getConnectionForTable(array_shift($tableNames));
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foreach ($tableNames as $tableName) {
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$connectionForTable = $connectionPool->getConnectionForTable($tableName);
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if ($connection !== $connectionForTable) {
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return false;
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}
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}
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return true;
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}
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}
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