555 lines
24 KiB
PHP
555 lines
24 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Controller\ContentElement;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Backend\Attribute\AsController;
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use TYPO3\CMS\Backend\History\RecordHistory;
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use TYPO3\CMS\Backend\History\RecordHistoryRollback;
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use TYPO3\CMS\Backend\Routing\UriBuilder;
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use TYPO3\CMS\Backend\Template\Components\ButtonBar;
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use TYPO3\CMS\Backend\Template\Components\ComponentFactory;
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use TYPO3\CMS\Backend\Template\ModuleTemplate;
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use TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Backend\View\ValueFormatter\FlexFormValueFormatter;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\DataHandling\History\RecordHistoryStore;
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use TYPO3\CMS\Core\DataHandling\TableColumnType;
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use TYPO3\CMS\Core\Domain\DateTimeFactory;
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use TYPO3\CMS\Core\Exception\SiteNotFoundException;
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use TYPO3\CMS\Core\Imaging\IconFactory;
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use TYPO3\CMS\Core\Imaging\IconSize;
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use TYPO3\CMS\Core\Localization\LanguageService;
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use TYPO3\CMS\Core\Schema\Capability\TcaSchemaCapability;
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use TYPO3\CMS\Core\Schema\TcaSchemaFactory;
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use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
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use TYPO3\CMS\Core\Site\SiteFinder;
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use TYPO3\CMS\Core\Type\Bitmask\Permission;
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use TYPO3\CMS\Core\Utility\DiffGranularity;
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use TYPO3\CMS\Core\Utility\DiffUtility;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Controller for showing the history module of TYPO3s backend.
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*
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* @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API.
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*/
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#[AsController]
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class ElementHistoryController
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{
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protected RecordHistory $historyObject;
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/**
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* Display inline differences or not
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*/
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protected bool $showDiff = true;
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protected array $recordCache = [];
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protected ModuleTemplate $view;
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protected string $returnUrl = '';
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public function __construct(
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protected readonly IconFactory $iconFactory,
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protected readonly UriBuilder $uriBuilder,
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protected readonly ModuleTemplateFactory $moduleTemplateFactory,
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private readonly DiffUtility $diffUtility,
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private readonly FlexFormValueFormatter $flexFormValueFormatter,
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private readonly TcaSchemaFactory $tcaSchemaFactory,
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private readonly ComponentFactory $componentFactory,
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private readonly SiteFinder $siteFinder,
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) {}
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/**
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* Injects the request object for the current request or sub request
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* As this controller goes only through the main() method, it is rather simple for now
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*/
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public function mainAction(ServerRequestInterface $request): ResponseInterface
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{
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$this->view = $this->moduleTemplateFactory->create($request);
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$backendUser = $this->getBackendUser();
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$this->view->getDocHeaderComponent()->setPageBreadcrumb([]);
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$parsedBody = $request->getParsedBody();
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$queryParams = $request->getQueryParams();
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$this->returnUrl = GeneralUtility::sanitizeLocalUrl($parsedBody['returnUrl'] ?? $queryParams['returnUrl'] ?? '', $request);
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$lastHistoryEntry = (int)($parsedBody['historyEntry'] ?? $queryParams['historyEntry'] ?? 0);
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$rollbackFields = $parsedBody['rollbackFields'] ?? $queryParams['rollbackFields'] ?? null;
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$element = $parsedBody['element'] ?? $queryParams['element'] ?? null;
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$moduleSettings = $this->processSettings($request);
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$this->view->assign('isUserInWorkspace', $backendUser->workspace > 0);
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$this->showDiff = (bool)$moduleSettings['showDiff'];
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// Start history object
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$this->historyObject = GeneralUtility::makeInstance(RecordHistory::class, $element);
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$this->historyObject->setShowSubElements((bool)$moduleSettings['showSubElements']);
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$this->historyObject->setLastHistoryEntryNumber($lastHistoryEntry);
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if ($moduleSettings['maxSteps']) {
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$this->historyObject->setMaxSteps((int)$moduleSettings['maxSteps']);
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}
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// Do the actual logic now (rollback, show a diff for certain changes,
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// or show the full history of a page or a specific record)
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$changeLog = $this->historyObject->getChangeLog();
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if (!empty($changeLog)) {
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if ($rollbackFields !== null) {
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$diff = $this->historyObject->getDiff($changeLog);
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GeneralUtility::makeInstance(RecordHistoryRollback::class)->performRollback($rollbackFields, $diff);
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} elseif ($lastHistoryEntry) {
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$completeDiff = $this->historyObject->getDiff($changeLog);
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$this->displayMultipleDiff($completeDiff);
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$button = $this->componentFactory->createLinkButton()
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->setHref($this->buildUrl(['historyEntry' => '']))
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->setIcon($this->iconFactory->getIcon('actions-view-go-back', IconSize::SMALL))
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->setTitle($this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang_show_rechis.xlf:fullView'))
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->setShowLabelText(true);
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$this->view->addButtonToButtonBar($button);
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}
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if ($this->historyObject->getElementString() !== '') {
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$this->displayHistory($changeLog);
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}
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}
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$elementData = $this->historyObject->getElementInformation();
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$editLock = false;
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if (!empty($elementData)) {
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[$elementTable, $elementUid] = $elementData;
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$elementUid = (int)$elementUid;
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$this->setPagePath($elementTable, $elementUid);
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$editLock = $this->getEditLockFromElement($elementTable, $elementUid);
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// Get link to page history if the element history is shown
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if ($elementTable !== 'pages') {
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$parentPage = BackendUtility::getRecord($elementTable, $elementUid, '*', '', false);
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if ($parentPage['pid'] > 0 && BackendUtility::readPageAccess($parentPage['pid'], $backendUser->getPagePermsClause(Permission::PAGE_SHOW))) {
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$button = $this->componentFactory->createLinkButton()
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->setHref($this->buildUrl([
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'element' => 'pages:' . $parentPage['pid'],
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'historyEntry' => '',
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]))
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->setIcon($this->iconFactory->getIcon('apps-pagetree-page-default', IconSize::SMALL))
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->setTitle($this->getLanguageService()->sL('LLL:EXT:backend/Resources/Private/Language/locallang_show_rechis.xlf:elementHistory_link'))
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->setShowLabelText(true);
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$this->view->addButtonToButtonBar($button, ButtonBar::BUTTON_POSITION_LEFT, 2);
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}
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}
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}
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if ($element !== null) {
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$this->addLanguageSwitcher($request, $backendUser, $element);
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}
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$this->view->assign('editLock', $editLock);
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$this->view->assign('moduleSettings', $moduleSettings);
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$this->view->assign('settingsFormUrl', $this->buildUrl());
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// Setting up the buttons and markers for docheader
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$this->getButtons();
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return $this->view->renderResponse('RecordHistory/Main');
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}
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/**
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* Creates the correct path to the current record
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*/
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protected function setPagePath(string $table, int $uid): void
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{
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$record = BackendUtility::getRecord($table, $uid, '*', '', false);
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if ($table === 'pages') {
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$pageId = $uid;
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} else {
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$pageId = $record['pid'];
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}
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$pageAccess = BackendUtility::readPageAccess($pageId, $this->getBackendUser()->getPagePermsClause(Permission::PAGE_SHOW));
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if (is_array($pageAccess)) {
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$this->view->getDocHeaderComponent()->setPageBreadcrumb($pageAccess);
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}
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$schema = $this->tcaSchemaFactory->get($table);
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$this->view->assignMultiple([
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'recordTable' => $table,
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'recordTableReadable' => $schema->getTitle($this->getLanguageService()->sL(...)),
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'recordUid' => $uid,
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'recordTitle' => $this->generateTitle($table, (string)$uid),
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]);
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}
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protected function getButtons(): void
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{
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if ($this->returnUrl) {
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$backButton = $this->componentFactory->createLinkButton()
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->setHref($this->returnUrl)
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->setTitle($this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:rm.closeDoc'))
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->setShowLabelText(true)
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->setIcon($this->iconFactory->getIcon('actions-close', IconSize::SMALL));
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$this->view->addButtonToButtonBar($backButton);
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}
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}
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protected function processSettings(ServerRequestInterface $request): array
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{
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// Get current selection from UC, merge data, write it back to UC
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$currentSelection = $this->getBackendUser()->getModuleData('history');
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if (!is_array($currentSelection)) {
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$currentSelection = ['maxSteps' => '', 'showDiff' => 1, 'showSubElements' => 1];
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}
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$currentSelectionOverride = $request->getParsedBody()['settings'] ?? null;
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if (is_array($currentSelectionOverride) && !empty($currentSelectionOverride)) {
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$currentSelection = array_merge($currentSelection, $currentSelectionOverride);
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$this->getBackendUser()->pushModuleData('history', $currentSelection);
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}
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return $currentSelection;
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}
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/**
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* Add a translation selection dropdown if the record is language aware.
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*/
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protected function addLanguageSwitcher(
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ServerRequestInterface $request,
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BackendUserAuthentication $backendUser,
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string $element,
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): void {
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$translations = $this->historyObject->getTranslations($element);
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if ($translations === null) {
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return;
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}
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$languageDropDownButton = $this->componentFactory->createDropDownButton()
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->setLabel($this->getLanguageService()->sL('core.core:labels.language'))
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->setShowLabelText(true);
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try {
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$site = $this->siteFinder->getSiteByPageId($translations['page']);
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} catch (SiteNotFoundException) {
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$site = $request->getAttribute('site');
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}
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$availableLanguages = $site->getAvailableLanguages($backendUser, false, $translations['page']);
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foreach ($translations['elements'] as $translation) {
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$siteLanguage = $availableLanguages[$translation['language']] ?? null;
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if (!$siteLanguage instanceof SiteLanguage) {
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continue;
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}
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$languageItem = $this->componentFactory->createDropDownRadio()
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->setActive($translation['element'] === $element)
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->setIcon($this->iconFactory->getIcon($siteLanguage->getFlagIdentifier()))
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->setHref((string)$this->uriBuilder->buildUriFromRoute('record_history', [
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'element' => $translation['element'],
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'returnUrl' => $this->returnUrl,
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]))
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->setLabel($siteLanguage->getTitle());
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$languageDropDownButton->addItem($languageItem);
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if ($languageItem->isActive()) {
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$languageDropDownButton->setLabel($siteLanguage->getTitle());
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}
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}
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$this->view->getDocHeaderComponent()->setLanguageSelector($languageDropDownButton);
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}
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/**
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* Displays a diff over multiple fields including rollback links
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*
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* @param array $diff Difference array
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*/
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protected function displayMultipleDiff(array $diff): void
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{
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$languageService = $this->getLanguageService();
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// Get all array keys needed
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/** @var string[] $arrayKeys */
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$arrayKeys = array_merge(array_keys($diff['newData']), array_keys($diff['insertsDeletes']), array_keys($diff['oldData']));
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$arrayKeys = array_unique($arrayKeys);
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if (!empty($arrayKeys)) {
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$lines = [];
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foreach ($arrayKeys as $key) {
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$singleLine = [];
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$elParts = explode(':', $key);
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// Turn around diff because it should be a "rollback preview"
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if ((int)($diff['insertsDeletes'][$key] ?? 0) === 1) {
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// insert
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$singleLine['insertDelete'] = 'delete';
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} elseif ((int)($diff['insertsDeletes'][$key] ?? 0) === -1) {
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$singleLine['insertDelete'] = 'insert';
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}
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// Build up temporary diff array
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// turn around diff because it should be a "rollback preview"
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if ($diff['newData'][$key] ?? false) {
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$tmpArr = [
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'newRecord' => $diff['oldData'][$key],
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'oldRecord' => $diff['newData'][$key],
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];
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// show changes
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if (!$this->showDiff) {
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// Display field names instead of full diff
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// Re-write field names with labels
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/** @var string[] $tmpFieldList */
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$tmpFieldList = array_keys($tmpArr['newRecord']);
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foreach ($tmpFieldList as $fieldKey => $value) {
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$itemLabel = '';
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if ($this->tcaSchemaFactory->has($elParts[0]) && ($schema = $this->tcaSchemaFactory->get($elParts[0]))->hasField($value)) {
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$itemLabel = $schema->getField($value)->getLabel();
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}
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$tmp = str_replace(':', '', $languageService->sL($itemLabel));
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if ($tmp) {
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$tmpFieldList[$fieldKey] = $tmp;
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} else {
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// remove fields if no label available
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unset($tmpFieldList[$fieldKey]);
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}
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}
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$singleLine['fieldNames'] = implode(',', $tmpFieldList);
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} else {
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// Display diff
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$singleLine['differences'] = $this->renderDiff($tmpArr, $elParts[0], (int)$elParts[1], true);
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}
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}
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$elParts = explode(':', $key);
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$singleLine['revertRecordUrl'] = $this->buildUrl(['rollbackFields' => $key]);
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$singleLine['title'] = $this->generateTitle($elParts[0], $elParts[1]);
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$singleLine['recordTable'] = $elParts[0];
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$singleLine['recordUid'] = $elParts[1];
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$lines[] = $singleLine;
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}
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$this->view->assign('revertAllUrl', $this->buildUrl(['rollbackFields' => 'ALL']));
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$this->view->assign('multipleDiff', $lines);
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}
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$this->view->assign('showDifferences', true);
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}
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/**
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* Shows the full change log
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*/
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protected function displayHistory(array $historyEntries): void
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{
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if ($historyEntries === []) {
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return;
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}
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$languageService = $this->getLanguageService();
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$lines = [];
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$beUserArray = BackendUtility::getUserNames('username,realName,usergroup,uid');
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// Traverse changeLog array:
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foreach ($historyEntries as $entry) {
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// Build up single line
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$singleLine = [];
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// Get user names
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$singleLine['backendUserUid'] = $entry['userid'];
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$singleLine['backendUserName'] = $beUserArray[$entry['userid']]['username'] ?? '';
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$singleLine['backendUserRealName'] = $beUserArray[$entry['userid']]['realName'] ?? '';
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// Executed by switch user
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if (!empty($entry['originaluserid'])) {
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$singleLine['originalBackendUserUid'] = $entry['originaluserid'];
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$singleLine['originalBackendUserName'] = $beUserArray[$entry['originaluserid']]['username'] ?? '';
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$singleLine['originalBackendRealName'] = $beUserArray[$entry['originaluserid']]['realName'] ?? '';
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}
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// Is a change in a workspace?
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$singleLine['isChangedInWorkspace'] = (int)$entry['workspace'] > 0;
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// Diff link
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$singleLine['diffUrl'] = $this->buildUrl(['historyEntry' => $entry['uid']]);
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// Add time
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$singleLine['day'] = BackendUtility::date($entry['tstamp']);
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$singleLine['timestamp'] = DateTimeFactory::createFromTimestamp($entry['tstamp']);
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$singleLine['title'] = $this->generateTitle($entry['tablename'], (string)$entry['recuid']);
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$singleLine['recordTable'] = $entry['tablename'];
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$singleLine['recordUid'] = $entry['recuid'];
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$singleLine['elementUrl'] = $this->buildUrl(['element' => $entry['tablename'] . ':' . $entry['recuid']]);
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$singleLine['actiontype'] = $entry['actiontype'];
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if ((int)$entry['actiontype'] === RecordHistoryStore::ACTION_MODIFY || (int)$entry['actiontype'] === RecordHistoryStore::ACTION_PUBLISH) {
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// show changes
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if (!$this->showDiff) {
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// Display field names instead of full diff
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// Re-write field names with labels
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/** @var string[] $tmpFieldList */
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$tmpFieldList = array_keys($entry['newRecord']);
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foreach ($tmpFieldList as $key => $value) {
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$itemLabel = '';
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if ($this->tcaSchemaFactory->has($entry['tablename']) && ($schema = $this->tcaSchemaFactory->get($entry['tablename']))->hasField($value)) {
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$itemLabel = $schema->getField($value)->getLabel();
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}
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$tmp = str_replace(':', '', $languageService->sL($itemLabel));
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if ($tmp) {
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$tmpFieldList[$key] = $tmp;
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} else {
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// remove fields if no label available
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unset($tmpFieldList[$key]);
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}
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}
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$singleLine['fieldNames'] = implode(',', $tmpFieldList);
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} else {
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// Display diff
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$singleLine['differences'] = $this->renderDiff($entry, $entry['tablename'], (int)$entry['recuid']);
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}
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}
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// put line together
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$lines[] = $singleLine;
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}
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$this->view->assign('history', $lines);
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}
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/**
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* Renders HTML table-rows with the comparison information of a sys_history entry record
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*
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* @param array $entry sys_history entry record.
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* @param string $table The table name
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* @param int $rollbackUid The UID of the record
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* @param bool $showRollbackLink Whether a rollback link should be shown for each changed field
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* @return array array of records
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*/
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protected function renderDiff(array $entry, string $table, int $rollbackUid, bool $showRollbackLink = false): array
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{
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if (!$this->tcaSchemaFactory->has($table)) {
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return [];
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}
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$lines = [];
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if (is_array($entry['newRecord'] ?? null)) {
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$fieldsToDisplay = array_keys($entry['newRecord']);
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$languageService = $this->getLanguageService();
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$schema = $this->tcaSchemaFactory->get($table);
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foreach ($fieldsToDisplay as $fN) {
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if (!$schema->hasField($fN)) {
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continue;
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}
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$fieldInformation = $schema->getField($fN);
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if (!$fieldInformation->isType(TableColumnType::PASSTHROUGH)) {
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if ($fieldInformation->isType(TableColumnType::FLEX)) {
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$colConfig = $fieldInformation->getConfiguration();
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$old = $this->flexFormValueFormatter->format($table, $fN, ($entry['oldRecord'][$fN] ?? ''), $rollbackUid, $colConfig);
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$new = $this->flexFormValueFormatter->format($table, $fN, ($entry['newRecord'][$fN] ?? ''), $rollbackUid, $colConfig);
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$diffResult = $this->diffUtility->diff(strip_tags($old), strip_tags($new), DiffGranularity::CHARACTER);
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} else {
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$old = (string)BackendUtility::getProcessedValue($table, $fN, ($entry['oldRecord'][$fN] ?? ''), 0, true, false, $rollbackUid);
|
|
$new = (string)BackendUtility::getProcessedValue($table, $fN, ($entry['newRecord'][$fN] ?? ''), 0, true, false, $rollbackUid);
|
|
$diffResult = $this->diffUtility->diff(strip_tags($old), strip_tags($new));
|
|
}
|
|
$rollbackUrl = '';
|
|
if ($rollbackUid && $showRollbackLink) {
|
|
$rollbackUrl = $this->buildUrl(['rollbackFields' => $table . ':' . $rollbackUid . ':' . $fN]);
|
|
}
|
|
$lines[] = [
|
|
'title' => $languageService->sL($fieldInformation->getLabel()),
|
|
'rollbackUrl' => $rollbackUrl,
|
|
'result' => str_replace('\n', PHP_EOL, str_replace('\r\n', '\n', $diffResult)),
|
|
];
|
|
}
|
|
}
|
|
}
|
|
return $lines;
|
|
}
|
|
|
|
/**
|
|
* Generates the URL for a link to the current page
|
|
*/
|
|
protected function buildUrl(array $overrideParameters = []): string
|
|
{
|
|
$params = [];
|
|
|
|
// Setting default values based on GET parameters:
|
|
$elementString = $this->historyObject->getElementString();
|
|
if ($elementString !== '') {
|
|
$params['element'] = $elementString;
|
|
}
|
|
$params['historyEntry'] = $this->historyObject->getLastHistoryEntryNumber();
|
|
|
|
if (!empty($this->returnUrl)) {
|
|
$params['returnUrl'] = $this->returnUrl;
|
|
}
|
|
|
|
// Merging overriding values:
|
|
$params = array_merge($params, $overrideParameters);
|
|
|
|
// Make the link:
|
|
return (string)$this->uriBuilder->buildUriFromRoute('record_history', $params);
|
|
}
|
|
|
|
/**
|
|
* Generates the title and puts the record title behind
|
|
*/
|
|
protected function generateTitle(string $table, string $uid): string
|
|
{
|
|
if ($this->tcaSchemaFactory->get($table)->hasCapability(TcaSchemaCapability::Label)) {
|
|
$record = $this->getRecord($table, (int)$uid) ?? [];
|
|
return BackendUtility::getRecordTitle($table, $record);
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Gets a database record (cached).
|
|
*/
|
|
protected function getRecord(string $table, int $uid): ?array
|
|
{
|
|
if (!isset($this->recordCache[$table][$uid])) {
|
|
$this->recordCache[$table][$uid] = BackendUtility::getRecord($table, $uid, '*', '', false);
|
|
}
|
|
return $this->recordCache[$table][$uid];
|
|
}
|
|
|
|
protected function getLanguageService(): LanguageService
|
|
{
|
|
return $GLOBALS['LANG'];
|
|
}
|
|
|
|
protected function getBackendUser(): BackendUserAuthentication
|
|
{
|
|
return $GLOBALS['BE_USER'];
|
|
}
|
|
|
|
/**
|
|
* Get the editlock value from page of a history element
|
|
*/
|
|
protected function getEditLockFromElement(string $tableName, int $elementUid): bool
|
|
{
|
|
// If the user is admin, then he may always edit the page.
|
|
if ($this->getBackendUser()->isAdmin()) {
|
|
return false;
|
|
}
|
|
|
|
$schema = $this->tcaSchemaFactory->get($tableName);
|
|
|
|
// Early return if $elementUid is zero
|
|
if ($elementUid === 0) {
|
|
return !$schema->getCapability(TcaSchemaCapability::RestrictionRootLevel)->shallIgnoreRootLevelRestriction();
|
|
}
|
|
|
|
$record = BackendUtility::getRecord($tableName, $elementUid, '*', '', false);
|
|
// we need the parent page record for the editlock info if element isn't a page
|
|
if ($tableName !== 'pages') {
|
|
$pageId = $record['pid'];
|
|
$record = BackendUtility::getRecord('pages', $pageId, '*', '', false);
|
|
}
|
|
|
|
return $schema->hasCapability(TcaSchemaCapability::EditLock)
|
|
&& ($record[$schema->getCapability(TcaSchemaCapability::EditLock)->getFieldName()] ?? false);
|
|
}
|
|
}
|