mirror of
https://github.com/Part-DB/Part-DB-server.git
synced 2025-06-21 09:35:49 +02:00
60 lines
2.5 KiB
PHP
60 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published
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* by 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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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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namespace App\Doctrine;
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use App\Exceptions\InvalidRegexException;
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use Doctrine\Bundle\DoctrineBundle\Attribute\AsDoctrineListener;
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use Doctrine\Bundle\DoctrineBundle\EventSubscriber\EventSubscriberInterface;
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use Doctrine\DBAL\Event\ConnectionEventArgs;
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use Doctrine\DBAL\Events;
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use Doctrine\DBAL\Platforms\SqlitePlatform;
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/**
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* This subscriber is used to add the regexp operator to the SQLite platform.
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* As a PHP callback is called for every entry to compare it is most likely much slower than using regex on MySQL.
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* But as regex is not often used, this should be fine for most use cases, also it is almost impossible to implement a better solution.
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*/
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#[AsDoctrineListener(Events::postConnect)]
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class SQLiteRegexExtension
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{
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public function postConnect(ConnectionEventArgs $eventArgs): void
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{
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$connection = $eventArgs->getConnection();
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//We only execute this on SQLite databases
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if ($connection->getDatabasePlatform() instanceof SqlitePlatform) {
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$native_connection = $connection->getNativeConnection();
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//Ensure that the function really exists on the connection, as it is marked as experimental according to PHP documentation
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if($native_connection instanceof \PDO && method_exists($native_connection, 'sqliteCreateFunction' )) {
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$native_connection->sqliteCreateFunction('REGEXP', function ($pattern, $value) {
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try {
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return (mb_ereg($pattern, $value)) ? 1 : 0;
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} catch (\ErrorException $e) {
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throw InvalidRegexException::fromMBRegexError($e);
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}
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});
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}
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}
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}
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}
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