FormLegacyExtractionUpdate.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\Query\Restriction\DeletedRestriction;
use ‪TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪FormLegacyExtractionUpdate extends ‪AbstractDownloadExtensionUpdate
{
    protected ‪$confirmation;
 
    public function ‪__construct()
    {
        $this->extension = new ‪ExtensionModel(
            'form_legacy',
            'Legacy form extension for TYPO3 v7 compatibility',
            '8.7.0',
            'friendsoftypo3/form-legacy',
            'Provides an additional backwards-compatibility layer with legacy functionality for sites that used the form extension in TYPO3 v7.'
        );
 
        $this->confirmation = new ‪Confirmation(
            'Are you really sure, you want to install EXT:form_legacy?',
            'You should install EXT:form_legacy only if you really need it.'
                    . 'This update wizard checked all content elements and found at least one not deleted element based'
                    . 'on the old form module. It is advised to manually convert those elements from the old form implementation'
                    . 'to the new implementation of EXT:form. EXT:form_legacy should be unloaded and removed afterwards.',
            true
        );
    }
 
    public function ‪getConfirmation(): ‪Confirmation
    {
        return ‪$this->confirmation;
    }
 
    public function ‪getIdentifier(): string
    {
        return 'formLegacyExtractionUpdate';
    }
 
    public function ‪getTitle(): string
    {
        return 'Install extension "form_legacy"';
    }
 
    public function ‪getDescription(): string
    {
        return 'The extension "form" was rewritten in TYPO3 v8 and follows a new approach.'
        . 'This update downloads the old implementation of the form extension as known from TYPO3 v7 from the TER.';
    }
 
    public function ‪updateNecessary(): bool
    {
        $updateNeeded = false;
 
        if (!‪ExtensionManagementUtility::isLoaded('form_legacy')) {
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tt_content');
            $queryBuilder->getRestrictions()->removeAll()->add(GeneralUtility::makeInstance(DeletedRestriction::class));
            $count = $queryBuilder
                ->count('*')
                ->from('tt_content')
                ->where($queryBuilder->expr()->eq('CType', $queryBuilder->createNamedParameter('mailform')))
                ->execute()
                ->fetchColumn(0);
            if ($count > 0) {
                $updateNeeded = true;
            }
        }
        return $updateNeeded;
    }
 
    public function ‪getPrerequisites(): array
    {
        return [
            DatabaseUpdatedPrerequisite::class
        ];
    }
}