SchemaColumnDefinitionListener.php

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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\Core\Database\Schema\EventListener;
 
use Doctrine\DBAL\Event\SchemaColumnDefinitionEventArgs;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Types\Type;
 
class ‪SchemaColumnDefinitionListener
{
    public function ‪onSchemaColumnDefinition(SchemaColumnDefinitionEventArgs $event)
    {
        $tableColumn = $event->getTableColumn();
        $tableColumn = array_change_key_case($tableColumn, CASE_LOWER);
 
        $dbType = $this->‪getDatabaseType($tableColumn['type']);
        if ($dbType !== 'enum' && $dbType !== 'set') {
            return;
        }
 
        $column = $this->‪getEnumerationTableColumnDefinition(
            $tableColumn,
            $event->getDatabasePlatform()
        );
 
        $event->setColumn($column);
        $event->preventDefault();
    }
 
    protected function ‪getEnumerationTableColumnDefinition(array $tableColumn, AbstractPlatform $platform): Column
    {
        $options = [
            'length' => $tableColumn['length'] ?? null,
            'unsigned' => false,
            'fixed' => false,
            'default' => $tableColumn['default'] ?? null,
            'notnull' => ($tableColumn['null'] ?? '') !== 'YES',
            'scale' => null,
            'precision' => null,
            'autoincrement' => false,
            'comment' => $tableColumn['comment'] ?? null,
        ];
 
        $dbType = $this->‪getDatabaseType($tableColumn['type']);
        $doctrineType = $platform->getDoctrineTypeMapping($dbType);
 
        $column = new Column($tableColumn['field'] ?? null, Type::getType($doctrineType), $options);
        $column->setPlatformOption('unquotedValues', $this->‪getUnquotedEnumerationValues($tableColumn['type']));
 
        return $column;
    }
 
    protected function ‪getDatabaseType(string $typeDefinition): string
    {
        $dbType = strtolower($typeDefinition);
        $dbType = strtok($dbType, '(), ');
 
        return $dbType;
    }
 
    protected function ‪getUnquotedEnumerationValues(string $typeDefinition): array
    {
        $valuesDefinition = preg_replace('#^(enum|set)\‍((.*)\‍)\s*$#i', '$2', $typeDefinition) ?? '';
        $quoteChar = $valuesDefinition[0];
        $separator = $quoteChar . ',' . $quoteChar;
 
        $valuesDefinition = preg_replace(
            '#' . $quoteChar . ',\s*' . $quoteChar . '#',
            $separator,
            $valuesDefinition
        ) ?? '';
 
        $values = explode($quoteChar . ',' . $quoteChar, substr($valuesDefinition, 1, -1)) ?: [];
 
        return array_map(
            function (string $value) use ($quoteChar) {
                return str_replace($quoteChar . $quoteChar, $quoteChar, $value);
            },
            $values
        );
    }
}