version/Classes/Hook/DataHandlerHook.php

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<?php
namespace TYPO3\CMS\Version\Hook;

/*
 * 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\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Database\ReferenceIndex;
use TYPO3\CMS\Core\DataHandling\DataHandler;
use TYPO3\CMS\Core\Service\MarkerBasedTemplateService;
use TYPO3\CMS\Core\Utility\ArrayUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Versioning\VersionState;

class DataHandlerHook
{
    protected $notificationEmailInfo = array();

    protected $remappedIds = array();

    /****************************
     *****  Cmdmap  Hooks  ******
     ****************************/
    public function processCmdmap_beforeStart(DataHandler $tcemainObj)
    {
        // Reset notification array
        $this->notificationEmailInfo = array();
        // Resolve dependencies of version/workspaces actions:
        $tcemainObj->cmdmap = $this->getCommandMap($tcemainObj)->process()->get();
    }

    public function processCmdmap($command, $table, $id, $value, &$commandIsProcessed, DataHandler $tcemainObj)
    {
        // custom command "version"
        if ($command == 'version') {
            $commandIsProcessed = true;
            $action = (string)$value['action'];
            $comment = !empty($value['comment']) ? $value['comment'] : '';
            $notificationAlternativeRecipients = (isset($value['notificationAlternativeRecipients'])) && is_array($value['notificationAlternativeRecipients']) ? $value['notificationAlternativeRecipients'] : array();
            switch ($action) {
                case 'new':
                    // check if page / branch versioning is needed,
                    // or if "element" version can be used
                    $versionizeTree = -1;
                    if (isset($value['treeLevels'])) {
                        $versionizeTree = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($value['treeLevels'], -1, 100);
                    }
                    if ($table == 'pages' && $versionizeTree >= 0) {
                        $this->versionizePages($id, $value['label'], $versionizeTree, $tcemainObj);
                    } else {
                        $tcemainObj->versionizeRecord($table, $id, $value['label']);
                    }
                    break;
                case 'swap':
                    $this->version_swap($table, $id, $value['swapWith'], $value['swapIntoWS'],
                        $tcemainObj,
                        $comment,
                        true,
                        $notificationAlternativeRecipients
                    );
                    break;
                case 'clearWSID':
                    $this->version_clearWSID($table, $id, false, $tcemainObj);
                    break;
                case 'flush':
                    $this->version_clearWSID($table, $id, true, $tcemainObj);
                    break;
                case 'setStage':
                    $elementIds = GeneralUtility::trimExplode(',', $id, true);
                    foreach ($elementIds as $elementId) {
                        $this->version_setStage($table, $elementId, $value['stageId'],
                                $comment,
                                true,
                                $tcemainObj,
                                $notificationAlternativeRecipients
                            );
                    }
                    break;
                default:
                    // Do nothing
            }
        }
    }

    public function processCmdmap_afterFinish(DataHandler $tcemainObj)
    {
        // Empty accumulation array:
        foreach ($this->notificationEmailInfo as $notifItem) {
            $this->notifyStageChange($notifItem['shared'][0], $notifItem['shared'][1], implode(', ', $notifItem['elements']), 0, $notifItem['shared'][2], $tcemainObj, $notifItem['alternativeRecipients']);
        }
        // Reset notification array
        $this->notificationEmailInfo = array();
        // Reset remapped IDs
        $this->remappedIds = array();
    }

    public function processCmdmap_deleteAction($table, $id, array $record, &$recordWasDeleted, DataHandler $tcemainObj)
    {
        // only process the hook if it wasn't processed
        // by someone else before
        if ($recordWasDeleted) {
            return;
        }
        $recordWasDeleted = true;
        // For Live version, try if there is a workspace version because if so, rather "delete" that instead
        // Look, if record is an offline version, then delete directly:
        if ($record['pid'] != -1) {
            if ($wsVersion = BackendUtility::getWorkspaceVersionOfRecord($tcemainObj->BE_USER->workspace, $table, $id)) {
                $record = $wsVersion;
                $id = $record['uid'];
            }
        }
        $recordVersionState = VersionState::cast($record['t3ver_state']);
        // Look, if record is an offline version, then delete directly:
        if ($record['pid'] == -1) {
            if ($GLOBALS['TCA'][$table]['ctrl']['versioningWS']) {
                // In Live workspace, delete any. In other workspaces there must be match.
                if ($tcemainObj->BE_USER->workspace == 0 || (int)$record['t3ver_wsid'] == $tcemainObj->BE_USER->workspace) {
                    $liveRec = BackendUtility::getLiveVersionOfRecord($table, $id, 'uid,t3ver_state');
                    // Processing can be skipped if a delete placeholder shall be swapped/published
                    // during the current request. Thus it will be deleted later on...
                    $liveRecordVersionState = VersionState::cast($liveRec['t3ver_state']);
                    if ($recordVersionState->equals(VersionState::DELETE_PLACEHOLDER) && !empty($liveRec['uid'])
                        && !empty($tcemainObj->cmdmap[$table][$liveRec['uid']]['version']['action'])
                        && !empty($tcemainObj->cmdmap[$table][$liveRec['uid']]['version']['swapWith'])
                        && $tcemainObj->cmdmap[$table][$liveRec['uid']]['version']['action'] === 'swap'
                        && $tcemainObj->cmdmap[$table][$liveRec['uid']]['version']['swapWith'] == $id
                    ) {
                        return null;
                    }

                    if ($record['t3ver_wsid'] > 0 && $recordVersionState->equals(VersionState::DEFAULT_STATE)) {
                        // Change normal versioned record to delete placeholder
                        // Happens when an edited record is deleted
                        $updateFields = array(
                            't3ver_label' => 'DELETED!',
                            't3ver_state' => 2,
                        );
                        $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . $id, $updateFields);
                        // Delete localization overlays:
                        $tcemainObj->deleteL10nOverlayRecords($table, $id);
                    } elseif ($record['t3ver_wsid'] == 0 || !$liveRecordVersionState->indicatesPlaceholder()) {
                        // Delete those in WS 0 + if their live records state was not "Placeholder".
                        $tcemainObj->deleteEl($table, $id);
                        // Delete move-placeholder if current version record is a move-to-pointer
                        if ($recordVersionState->equals(VersionState::MOVE_POINTER)) {
                            $movePlaceholder = BackendUtility::getMovePlaceholder($table, $liveRec['uid'], 'uid');
                            $tcemainObj->deleteEl($table, $movePlaceholder['uid']);
                        }
                    } else {
                        // If live record was placeholder (new/deleted), rather clear
                        // it from workspace (because it clears both version and placeholder).
                        $this->version_clearWSID($table, $id, false, $tcemainObj);
                    }
                } else {
                    $tcemainObj->newlog('Tried to delete record from another workspace', 1);
                }
            } else {
                $tcemainObj->newlog('Versioning not enabled for record with PID = -1!', 2);
            }
        } elseif ($res = $tcemainObj->BE_USER->workspaceAllowLiveRecordsInPID($record['pid'], $table)) {
            // Look, if record is "online" or in a versionized branch, then delete directly.
            if ($res > 0) {
                $tcemainObj->deleteEl($table, $id);
            } else {
                $tcemainObj->newlog('Stage of root point did not allow for deletion', 1);
            }
        } elseif ($recordVersionState->equals(VersionState::MOVE_PLACEHOLDER)) {
            // Placeholders for moving operations are deletable directly.
            // Get record which its a placeholder for and reset the t3ver_state of that:
            if ($wsRec = BackendUtility::getWorkspaceVersionOfRecord($record['t3ver_wsid'], $table, $record['t3ver_move_id'], 'uid')) {
                // Clear the state flag of the workspace version of the record
                // Setting placeholder state value for version (so it can know it is currently a new version...)
                $updateFields = array(
                    't3ver_state' => (string)new VersionState(VersionState::DEFAULT_STATE)
                );
                $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$wsRec['uid'], $updateFields);
            }
            $tcemainObj->deleteEl($table, $id);
        } else {
            // Otherwise, try to delete by versioning:
            $copyMappingArray = $tcemainObj->copyMappingArray;
            $tcemainObj->versionizeRecord($table, $id, 'DELETED!', true);
            // Determine newly created versions:
            // (remove placeholders are copied and modified, thus they appear in the copyMappingArray)
            $versionizedElements = ArrayUtility::arrayDiffAssocRecursive($tcemainObj->copyMappingArray, $copyMappingArray);
            // Delete localization overlays:
            foreach ($versionizedElements as $versionizedTableName => $versionizedOriginalIds) {
                foreach ($versionizedOriginalIds as $versionizedOriginalId => $_) {
                    $tcemainObj->deleteL10nOverlayRecords($versionizedTableName, $versionizedOriginalId);
                }
            }
        }
    }

    public function moveRecord($table, $uid, $destPid, array $propArr, array $moveRec, $resolvedPid, &$recordWasMoved, DataHandler $tcemainObj)
    {
        // Only do something in Draft workspace
        if ($tcemainObj->BE_USER->workspace === 0) {
            return;
        }
        if ($destPid < 0) {
            // Fetch move placeholder, since it might point to a new page in the current workspace
            $movePlaceHolder = BackendUtility::getMovePlaceholder($table, abs($destPid), 'uid,pid');
            if ($movePlaceHolder !== false) {
                $resolvedPid = $movePlaceHolder['pid'];
            }
        }
        $recordWasMoved = true;
        $moveRecVersionState = VersionState::cast($moveRec['t3ver_state']);
        // Get workspace version of the source record, if any:
        $WSversion = BackendUtility::getWorkspaceVersionOfRecord($tcemainObj->BE_USER->workspace, $table, $uid, 'uid,t3ver_oid');
        // Handle move-placeholders if the current record is not one already
        if (
            BackendUtility::isTableWorkspaceEnabled($table)
            && !$moveRecVersionState->equals(VersionState::MOVE_PLACEHOLDER)
        ) {
            // Create version of record first, if it does not exist
            if (empty($WSversion['uid'])) {
                $tcemainObj->versionizeRecord($table, $uid, 'MovePointer');
                $WSversion = BackendUtility::getWorkspaceVersionOfRecord($tcemainObj->BE_USER->workspace, $table, $uid, 'uid,t3ver_oid');
                $this->moveRecord_processFields($tcemainObj, $resolvedPid, $table, $uid);
            // If the record has been versioned before (e.g. cascaded parent-child structure), create only the move-placeholders
            } elseif ($tcemainObj->isRecordCopied($table, $uid) && (int)$tcemainObj->copyMappingArray[$table][$uid] === (int)$WSversion['uid']) {
                $this->moveRecord_processFields($tcemainObj, $resolvedPid, $table, $uid);
            }
        }
        // Check workspace permissions:
        $workspaceAccessBlocked = array();
        // Element was in "New/Deleted/Moved" so it can be moved...
        $recIsNewVersion = $moveRecVersionState->indicatesPlaceholder();
        $destRes = $tcemainObj->BE_USER->workspaceAllowLiveRecordsInPID($resolvedPid, $table);
        $canMoveRecord = ($recIsNewVersion || BackendUtility::isTableWorkspaceEnabled($table));
        // Workspace source check:
        if (!$recIsNewVersion) {
            $errorCode = $tcemainObj->BE_USER->workspaceCannotEditRecord($table, $WSversion['uid'] ? $WSversion['uid'] : $uid);
            if ($errorCode) {
                $workspaceAccessBlocked['src1'] = 'Record could not be edited in workspace: ' . $errorCode . ' ';
            } elseif (!$canMoveRecord && $tcemainObj->BE_USER->workspaceAllowLiveRecordsInPID($moveRec['pid'], $table) <= 0) {
                $workspaceAccessBlocked['src2'] = 'Could not remove record from table "' . $table . '" from its page "' . $moveRec['pid'] . '" ';
            }
        }
        // Workspace destination check:
        // All records can be inserted if $destRes is greater than zero.
        // Only new versions can be inserted if $destRes is FALSE.
        // NO RECORDS can be inserted if $destRes is negative which indicates a stage
        //  not allowed for use. If "versioningWS" is version 2, moving can take place of versions.
        // since TYPO3 CMS 7, version2 is the default and the only option
        if (!($destRes > 0 || $canMoveRecord && !$destRes)) {
            $workspaceAccessBlocked['dest1'] = 'Could not insert record from table "' . $table . '" in destination PID "' . $resolvedPid . '" ';
        } elseif ($destRes == 1 && $WSversion['uid']) {
            $workspaceAccessBlocked['dest2'] = 'Could not insert other versions in destination PID ';
        }
        if (empty($workspaceAccessBlocked)) {
            // If the move operation is done on a versioned record, which is
            // NOT new/deleted placeholder and versioningWS is in version 2, then...
            // since TYPO3 CMS 7, version2 is the default and the only option
            if ($WSversion['uid'] && !$recIsNewVersion && BackendUtility::isTableWorkspaceEnabled($table)) {
                $this->moveRecord_wsPlaceholders($table, $uid, $destPid, $WSversion['uid'], $tcemainObj);
            } else {
                // moving not needed, just behave like in live workspace
                $recordWasMoved = false;
            }
        } else {
            $tcemainObj->newlog('Move attempt failed due to workspace restrictions: ' . implode(' // ', $workspaceAccessBlocked), 1);
        }
    }

    protected function moveRecord_processFields(DataHandler $dataHandler, $resolvedPageId, $table, $uid)
    {
        $versionedRecord = BackendUtility::getWorkspaceVersionOfRecord($dataHandler->BE_USER->workspace, $table, $uid);
        if (empty($versionedRecord)) {
            return;
        }
        foreach ($versionedRecord as $field => $value) {
            if (empty($GLOBALS['TCA'][$table]['columns'][$field]['config'])) {
                continue;
            }
            $this->moveRecord_processFieldValue(
                $dataHandler, $resolvedPageId,
                $table, $uid, $field, $value,
                $GLOBALS['TCA'][$table]['columns'][$field]['config']
            );
        }
    }

    protected function moveRecord_processFieldValue(DataHandler $dataHandler, $resolvedPageId, $table, $uid, $field, $value, array $configuration)
    {
        $inlineFieldType = $dataHandler->getInlineFieldType($configuration);
        $inlineProcessing = (
            ($inlineFieldType === 'list' || $inlineFieldType === 'field')
            && BackendUtility::isTableWorkspaceEnabled($configuration['foreign_table'])
            && (!isset($configuration['behaviour']['disableMovingChildrenWithParent']) || !$configuration['behaviour']['disableMovingChildrenWithParent'])
        );

        if ($inlineProcessing) {
            if ($table === 'pages') {
                // If the inline elements are related to a page record,
                // make sure they reside at that page and not at its parent
                $resolvedPageId = $uid;
            }

            $dbAnalysis = $this->createRelationHandlerInstance();
            $dbAnalysis->start($value, $configuration['foreign_table'], '', $uid, $table, $configuration);

            // Moving records to a positive destination will insert each
            // record at the beginning, thus the order is reversed here:
            foreach ($dbAnalysis->itemArray as $item) {
                $versionedRecord = BackendUtility::getWorkspaceVersionOfRecord($dataHandler->BE_USER->workspace, $item['table'], $item['id'], 'uid,t3ver_state');
                if (empty($versionedRecord) || VersionState::cast($versionedRecord['t3ver_state'])->indicatesPlaceholder()) {
                    continue;
                }
                $dataHandler->moveRecord($item['table'], $item['id'], $resolvedPageId);
            }
        }
    }

    /****************************
     *****  Notifications  ******
     ****************************/
    protected function notifyStageChange(array $stat, $stageId, $table, $id, $comment, DataHandler $tcemainObj, array $notificationAlternativeRecipients = array())
    {
        $workspaceRec = BackendUtility::getRecord('sys_workspace', $stat['uid']);
        // So, if $id is not set, then $table is taken to be the complete element name!
        $elementName = $id ? $table . ':' . $id : $table;
        if (!is_array($workspaceRec)) {
            return;
        }

        // Get the new stage title from workspaces library, if workspaces extension is installed
        if (\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded('workspaces')) {
            $stageService = GeneralUtility::makeInstance(\TYPO3\CMS\Workspaces\Service\StagesService::class);
            $newStage = $stageService->getStageTitle((int)$stageId);
        } else {
            // @todo CONSTANTS SHOULD BE USED - tx_service_workspace_workspaces
            // @todo use localized labels
            // Compile label:
            switch ((int)$stageId) {
                case 1:
                    $newStage = 'Ready for review';
                    break;
                case 10:
                    $newStage = 'Ready for publishing';
                    break;
                case -1:
                    $newStage = 'Element was rejected!';
                    break;
                case 0:
                    $newStage = 'Rejected element was noticed and edited';
                    break;
                default:
                    $newStage = 'Unknown state change!?';
            }
        }
        if (empty($notificationAlternativeRecipients)) {
            // Compile list of recipients:
            $emails = array();
            switch ((int)$stat['stagechg_notification']) {
                case 1:
                    switch ((int)$stageId) {
                        case 1:
                            $emails = $this->getEmailsForStageChangeNotification($workspaceRec['reviewers']);
                            break;
                        case 10:
                            $emails = $this->getEmailsForStageChangeNotification($workspaceRec['adminusers'], true);
                            break;
                        case -1:
                            // List of elements to reject:
                            $allElements = explode(',', $elementName);
                            // Traverse them, and find the history of each
                            foreach ($allElements as $elRef) {
                                list($eTable, $eUid) = explode(':', $elRef);
                                $rows = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('log_data,tstamp,userid', 'sys_log', 'action=6 and details_nr=30
                                                                                                AND tablename=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($eTable, 'sys_log') . '
                                                                                                AND recuid=' . (int)$eUid, '', 'uid DESC');
                                // Find all implicated since the last stage-raise from editing to review:
                                foreach ($rows as $dat) {
                                    $data = unserialize($dat['log_data']);
                                    $emails = $this->getEmailsForStageChangeNotification($dat['userid'], true) + $emails;
                                    if ($data['stage'] == 1) {
                                        break;
                                    }
                                }
                            }
                            break;
                        case 0:
                            $emails = $this->getEmailsForStageChangeNotification($workspaceRec['members']);
                            break;
                        default:
                            $emails = $this->getEmailsForStageChangeNotification($workspaceRec['adminusers'], true);
                    }
                    break;
                case 10:
                    $emails = $this->getEmailsForStageChangeNotification($workspaceRec['adminusers'], true);
                    $emails = $this->getEmailsForStageChangeNotification($workspaceRec['reviewers']) + $emails;
                    $emails = $this->getEmailsForStageChangeNotification($workspaceRec['members']) + $emails;
                    break;
                default:
                    // Do nothing
            }
        } else {
            $emails = $notificationAlternativeRecipients;
        }
        // prepare and then send the emails
        if (!empty($emails)) {
            // Path to record is found:
            list($elementTable, $elementUid) = explode(':', $elementName);
            $elementUid = (int)$elementUid;
            $elementRecord = BackendUtility::getRecord($elementTable, $elementUid);
            $recordTitle = BackendUtility::getRecordTitle($elementTable, $elementRecord);
            if ($elementTable == 'pages') {
                $pageUid = $elementUid;
            } else {
                BackendUtility::fixVersioningPid($elementTable, $elementRecord);
                $pageUid = ($elementUid = $elementRecord['pid']);
            }
            // fetch the TSconfig settings for the email
            // old way, options are TCEMAIN.notificationEmail_body/subject
            $TCEmainTSConfig = $tcemainObj->getTCEMAIN_TSconfig($pageUid);
            // new way, options are
            // pageTSconfig: tx_version.workspaces.stageNotificationEmail.subject
            // userTSconfig: page.tx_version.workspaces.stageNotificationEmail.subject
            $pageTsConfig = BackendUtility::getPagesTSconfig($pageUid);
            $emailConfig = $pageTsConfig['tx_version.']['workspaces.']['stageNotificationEmail.'];
            $markers = array(
                '###RECORD_TITLE###' => $recordTitle,
                '###RECORD_PATH###' => BackendUtility::getRecordPath($elementUid, '', 20),
                '###SITE_NAME###' => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'],
                '###SITE_URL###' => GeneralUtility::getIndpEnv('TYPO3_SITE_URL') . TYPO3_mainDir,
                '###WORKSPACE_TITLE###' => $workspaceRec['title'],
                '###WORKSPACE_UID###' => $workspaceRec['uid'],
                '###ELEMENT_NAME###' => $elementName,
                '###NEXT_STAGE###' => $newStage,
                '###COMMENT###' => $comment,
                // See: #30212 - keep both markers for compatibility
                '###USER_REALNAME###' => $tcemainObj->BE_USER->user['realName'],
                '###USER_FULLNAME###' => $tcemainObj->BE_USER->user['realName'],
                '###USER_USERNAME###' => $tcemainObj->BE_USER->user['username']
            );
            // add marker for preview links if workspace extension is loaded
            if (\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded('workspaces')) {
                $this->workspaceService = GeneralUtility::makeInstance(\TYPO3\CMS\Workspaces\Service\WorkspaceService::class);
                // only generate the link if the marker is in the template - prevents database from getting to much entries
                if (GeneralUtility::isFirstPartOfStr($emailConfig['message'], 'LLL:')) {
                    $tempEmailMessage = $GLOBALS['LANG']->sL($emailConfig['message']);
                } else {
                    $tempEmailMessage = $emailConfig['message'];
                }
                if (strpos($tempEmailMessage, '###PREVIEW_LINK###') !== false) {
                    $markers['###PREVIEW_LINK###'] = $this->workspaceService->generateWorkspacePreviewLink($elementUid);
                }
                unset($tempEmailMessage);
                $markers['###SPLITTED_PREVIEW_LINK###'] = $this->workspaceService->generateWorkspaceSplittedPreviewLink($elementUid, true);
            }
            // Hook for preprocessing of the content for formmails:
            if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/version/class.tx_version_tcemain.php']['notifyStageChange-postModifyMarkers'])) {
                foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/version/class.tx_version_tcemain.php']['notifyStageChange-postModifyMarkers'] as $_classRef) {
                    $_procObj =& GeneralUtility::getUserObj($_classRef);
                    $markers = $_procObj->postModifyMarkers($markers, $this);
                }
            }
            // send an email to each individual user, to ensure the
            // multilanguage version of the email
            $emailRecipients = array();
            // an array of language objects that are needed
            // for emails with different languages
            $languageObjects = array(
                $GLOBALS['LANG']->lang => $GLOBALS['LANG']
            );
            // loop through each recipient and send the email
            foreach ($emails as $recipientData) {
                // don't send an email twice
                if (isset($emailRecipients[$recipientData['email']])) {
                    continue;
                }
                $emailSubject = $emailConfig['subject'];
                $emailMessage = $emailConfig['message'];
                $emailRecipients[$recipientData['email']] = $recipientData['email'];
                // check if the email needs to be localized
                // in the users' language
                if (GeneralUtility::isFirstPartOfStr($emailSubject, 'LLL:') || GeneralUtility::isFirstPartOfStr($emailMessage, 'LLL:')) {
                    $recipientLanguage = $recipientData['lang'] ? $recipientData['lang'] : 'default';
                    if (!isset($languageObjects[$recipientLanguage])) {
                        // a LANG object in this language hasn't been
                        // instantiated yet, so this is done here
                        $languageObject = GeneralUtility::makeInstance(\TYPO3\CMS\Lang\LanguageService::class);
                        $languageObject->init($recipientLanguage);
                        $languageObjects[$recipientLanguage] = $languageObject;
                    } else {
                        $languageObject = $languageObjects[$recipientLanguage];
                    }
                    if (GeneralUtility::isFirstPartOfStr($emailSubject, 'LLL:')) {
                        $emailSubject = $languageObject->sL($emailSubject);
                    }
                    if (GeneralUtility::isFirstPartOfStr($emailMessage, 'LLL:')) {
                        $emailMessage = $languageObject->sL($emailMessage);
                    }
                }
                $templateService = GeneralUtility::makeInstance(MarkerBasedTemplateService::class);
                $emailSubject = $templateService->substituteMarkerArray($emailSubject, $markers, '', true, true);
                $emailMessage = $templateService->substituteMarkerArray($emailMessage, $markers, '', true, true);
                // Send an email to the recipient
                $mail = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Mail\MailMessage::class);
                if (!empty($recipientData['realName'])) {
                    $recipient = array($recipientData['email'] => $recipientData['realName']);
                } else {
                    $recipient = $recipientData['email'];
                }
                $mail->setTo($recipient)
                    ->setSubject($emailSubject)
                    ->setFrom(\TYPO3\CMS\Core\Utility\MailUtility::getSystemFrom())
                    ->setBody($emailMessage);
                $mail->send();
            }
            $emailRecipients = implode(',', $emailRecipients);
            $tcemainObj->newlog2('Notification email for stage change was sent to "' . $emailRecipients . '"', $table, $id);
        }
    }

    protected function getEmailsForStageChangeNotification($listOfUsers, $noTablePrefix = false)
    {
        $users = GeneralUtility::trimExplode(',', $listOfUsers, true);
        $emails = array();
        foreach ($users as $userIdent) {
            if ($noTablePrefix) {
                $id = (int)$userIdent;
            } else {
                list($table, $id) = GeneralUtility::revExplode('_', $userIdent, 2);
            }
            if ($table === 'be_users' || $noTablePrefix) {
                if ($userRecord = BackendUtility::getRecord('be_users', $id, 'uid,email,lang,realName', BackendUtility::BEenableFields('be_users'))) {
                    if (trim($userRecord['email']) !== '') {
                        $emails[$id] = $userRecord;
                    }
                }
            }
        }
        return $emails;
    }

    /****************************
     *****  Stage Changes  ******
     ****************************/
    protected function version_setStage($table, $id, $stageId, $comment = '', $notificationEmailInfo = false, DataHandler $tcemainObj, array $notificationAlternativeRecipients = array())
    {
        if ($errorCode = $tcemainObj->BE_USER->workspaceCannotEditOfflineVersion($table, $id)) {
            $tcemainObj->newlog('Attempt to set stage for record failed: ' . $errorCode, 1);
        } elseif ($tcemainObj->checkRecordUpdateAccess($table, $id)) {
            $record = BackendUtility::getRecord($table, $id);
            $stat = $tcemainObj->BE_USER->checkWorkspace($record['t3ver_wsid']);
            // check if the usere is allowed to the current stage, so it's also allowed to send to next stage
            if ($GLOBALS['BE_USER']->workspaceCheckStageForCurrent($record['t3ver_stage'])) {
                // Set stage of record:
                $updateData = array(
                    't3ver_stage' => $stageId
                );
                $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$id, $updateData);
                $tcemainObj->newlog2('Stage for record was changed to ' . $stageId . '. Comment was: "' . substr($comment, 0, 100) . '"', $table, $id);
                // TEMPORARY, except 6-30 as action/detail number which is observed elsewhere!
                $tcemainObj->log($table, $id, 6, 0, 0, 'Stage raised...', 30, array('comment' => $comment, 'stage' => $stageId));
                if ((int)$stat['stagechg_notification'] > 0) {
                    if ($notificationEmailInfo) {
                        $this->notificationEmailInfo[$stat['uid'] . ':' . $stageId . ':' . $comment]['shared'] = array($stat, $stageId, $comment);
                        $this->notificationEmailInfo[$stat['uid'] . ':' . $stageId . ':' . $comment]['elements'][] = $table . ':' . $id;
                        $this->notificationEmailInfo[$stat['uid'] . ':' . $stageId . ':' . $comment]['alternativeRecipients'] = $notificationAlternativeRecipients;
                    } else {
                        $this->notifyStageChange($stat, $stageId, $table, $id, $comment, $tcemainObj, $notificationAlternativeRecipients);
                    }
                }
            } else {
                $tcemainObj->newlog('The member user tried to set a stage value "' . $stageId . '" that was not allowed', 1);
            }
        } else {
            $tcemainObj->newlog('Attempt to set stage for record failed because you do not have edit access', 1);
        }
    }

    /*****************************
     *****  CMD versioning  ******
     *****************************/
    protected function versionizePages($uid, $label, $versionizeTree, DataHandler $tcemainObj)
    {
        $uid = (int)$uid;
        // returns the branch
        $brExist = $tcemainObj->doesBranchExist('', $uid, $tcemainObj->pMap['show'], 1);
        // Checks if we had permissions
        if ((int)$brExist === -1) {
            $tcemainObj->newlog('Could not read all subpages to versionize.', 1);
            return;
        }
        // Make list of tables that should come along with a new version of the page:
        $verTablesArray = array();
        $allTables = array_keys($GLOBALS['TCA']);
        foreach ($allTables as $tableName) {
            if ($tableName != 'pages' && ($versionizeTree > 0 || $GLOBALS['TCA'][$tableName]['ctrl']['versioning_followPages'])) {
                $verTablesArray[] = $tableName;
            }
        }
        // Remove the possible inline child tables from the tables to be versioniozed automatically:
        $verTablesArray = array_diff($verTablesArray, $this->getPossibleInlineChildTablesOfParentTable('pages'));
        // Begin to copy pages if we're allowed to:
        if ($versionizeTree !== -1) {
            $tcemainObj->newlog('Versioning type "' . $versionizeTree . '" was not allowed in workspace', 1);
            return;
        }
        // Versionize this page:
        $theNewRootID = $tcemainObj->versionizeRecord('pages', $uid, $label, false, $versionizeTree);
        if (!$theNewRootID) {
            $tcemainObj->newlog('The root version could not be created!', 1);
            return;
        }
        $this->rawCopyPageContent($uid, $theNewRootID, $verTablesArray, $tcemainObj);
        // If we're going to copy recursively...:
        if ($versionizeTree > 0) {
            // Get ALL subpages to copy (read permissions respected - they should NOT be...):
            $CPtable = $tcemainObj->int_pageTreeInfo(array(), $uid, (int)$versionizeTree, $theNewRootID);
            // Now copying the subpages
            foreach ($CPtable as $thePageUid => $thePagePid) {
                $newPid = $tcemainObj->copyMappingArray['pages'][$thePagePid];
                if (isset($newPid)) {
                    $theNewRootID = $tcemainObj->copyRecord_raw('pages', $thePageUid, $newPid);
                    $this->rawCopyPageContent($thePageUid, $theNewRootID, $verTablesArray, $tcemainObj);
                } else {
                    $tcemainObj->newlog('Something went wrong during copying branch (for versioning)', 1);
                    break;
                }
            }
        }
    }

    protected function version_swap($table, $id, $swapWith, $swapIntoWS = 0, DataHandler $tcemainObj, $comment = '', $notificationEmailInfo = false, $notificationAlternativeRecipients = array())
    {

        // Check prerequisites before start swapping

        // First, check if we may actually edit the online record
        if (!$tcemainObj->checkRecordUpdateAccess($table, $id)) {
            $tcemainObj->newlog('Error: You cannot swap versions for a record you do not have access to edit!', 1);
            return;
        }
        // Select the two versions:
        $curVersion = BackendUtility::getRecord($table, $id, '*');
        $swapVersion = BackendUtility::getRecord($table, $swapWith, '*');
        $movePlh = array();
        $movePlhID = 0;
        if (!(is_array($curVersion) && is_array($swapVersion))) {
            $tcemainObj->newlog('Error: Either online or swap version could not be selected!', 2);
            return;
        }
        if (!$tcemainObj->BE_USER->workspacePublishAccess($swapVersion['t3ver_wsid'])) {
            $tcemainObj->newlog('User could not publish records from workspace #' . $swapVersion['t3ver_wsid'], 1);
            return;
        }
        $wsAccess = $tcemainObj->BE_USER->checkWorkspace($swapVersion['t3ver_wsid']);
        if (!($swapVersion['t3ver_wsid'] <= 0 || !($wsAccess['publish_access'] & 1) || (int)$swapVersion['t3ver_stage'] === -10)) {
            $tcemainObj->newlog('Records in workspace #' . $swapVersion['t3ver_wsid'] . ' can only be published when in "Publish" stage.', 1);
            return;
        }
        if (!($tcemainObj->doesRecordExist($table, $swapWith, 'show') && $tcemainObj->checkRecordUpdateAccess($table, $swapWith))) {
            $tcemainObj->newlog('You cannot publish a record you do not have edit and show permissions for', 1);
            return;
        }
        if ($swapIntoWS && !$tcemainObj->BE_USER->workspaceSwapAccess()) {
            $tcemainObj->newlog('Workspace #' . $swapVersion['t3ver_wsid'] . ' does not support swapping.', 1);
            return;
        }
        // Check if the swapWith record really IS a version of the original!
        if (!(((int)$swapVersion['pid'] == -1 && (int)$curVersion['pid'] >= 0) && (int)$swapVersion['t3ver_oid'] === (int)$id)) {
            $tcemainObj->newlog('In swap version, either pid was not -1 or the t3ver_oid didn\'t match the id of the online version as it must!', 2);
            return;
        }
        // Lock file name:
        $lockFileName = PATH_site . 'typo3temp/swap_locking/' . $table . ':' . $id . '.ser';
        if (@is_file($lockFileName)) {
            $tcemainObj->newlog('A swapping lock file was present. Either another swap process is already running or a previous swap process failed. Ask your administrator to handle the situation.', 2);
            return;
        }

        // Now start to swap records by first creating the lock file

        // Write lock-file:
        GeneralUtility::writeFileToTypo3tempDir($lockFileName, serialize(array(
            'tstamp' => $GLOBALS['EXEC_TIME'],
            'user' => $tcemainObj->BE_USER->user['username'],
            'curVersion' => $curVersion,
            'swapVersion' => $swapVersion
        )));
        // Find fields to keep
        $keepFields = $this->getUniqueFields($table);
        if ($GLOBALS['TCA'][$table]['ctrl']['sortby']) {
            $keepFields[] = $GLOBALS['TCA'][$table]['ctrl']['sortby'];
        }
        // l10n-fields must be kept otherwise the localization
        // will be lost during the publishing
        if (!isset($GLOBALS['TCA'][$table]['ctrl']['transOrigPointerTable']) && $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']) {
            $keepFields[] = $GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'];
        }
        // Swap "keepfields"
        foreach ($keepFields as $fN) {
            $tmp = $swapVersion[$fN];
            $swapVersion[$fN] = $curVersion[$fN];
            $curVersion[$fN] = $tmp;
        }
        // Preserve states:
        $t3ver_state = array();
        $t3ver_state['swapVersion'] = $swapVersion['t3ver_state'];
        $t3ver_state['curVersion'] = $curVersion['t3ver_state'];
        // Modify offline version to become online:
        $tmp_wsid = $swapVersion['t3ver_wsid'];
        // Set pid for ONLINE
        $swapVersion['pid'] = (int)$curVersion['pid'];
        // We clear this because t3ver_oid only make sense for offline versions
        // and we want to prevent unintentional misuse of this
        // value for online records.
        $swapVersion['t3ver_oid'] = 0;
        // In case of swapping and the offline record has a state
        // (like 2 or 4 for deleting or move-pointer) we set the
        // current workspace ID so the record is not deselected
        // in the interface by BackendUtility::versioningPlaceholderClause()
        $swapVersion['t3ver_wsid'] = 0;
        if ($swapIntoWS) {
            if ($t3ver_state['swapVersion'] > 0) {
                $swapVersion['t3ver_wsid'] = $tcemainObj->BE_USER->workspace;
            } else {
                $swapVersion['t3ver_wsid'] = (int)$curVersion['t3ver_wsid'];
            }
        }
        $swapVersion['t3ver_tstamp'] = $GLOBALS['EXEC_TIME'];
        $swapVersion['t3ver_stage'] = 0;
        if (!$swapIntoWS) {
            $swapVersion['t3ver_state'] = (string)new VersionState(VersionState::DEFAULT_STATE);
        }
        // Moving element.
        if (BackendUtility::isTableWorkspaceEnabled($table)) {
            //  && $t3ver_state['swapVersion']==4   // Maybe we don't need this?
            if ($plhRec = BackendUtility::getMovePlaceholder($table, $id, 't3ver_state,pid,uid' . ($GLOBALS['TCA'][$table]['ctrl']['sortby'] ? ',' . $GLOBALS['TCA'][$table]['ctrl']['sortby'] : ''))) {
                $movePlhID = $plhRec['uid'];
                $movePlh['pid'] = $swapVersion['pid'];
                $swapVersion['pid'] = (int)$plhRec['pid'];
                $curVersion['t3ver_state'] = (int)$swapVersion['t3ver_state'];
                $swapVersion['t3ver_state'] = (string)new VersionState(VersionState::DEFAULT_STATE);
                if ($GLOBALS['TCA'][$table]['ctrl']['sortby']) {
                    // sortby is a "keepFields" which is why this will work...
                    $movePlh[$GLOBALS['TCA'][$table]['ctrl']['sortby']] = $swapVersion[$GLOBALS['TCA'][$table]['ctrl']['sortby']];
                    $swapVersion[$GLOBALS['TCA'][$table]['ctrl']['sortby']] = $plhRec[$GLOBALS['TCA'][$table]['ctrl']['sortby']];
                }
            }
        }
        // Take care of relations in each field (e.g. IRRE):
        if (is_array($GLOBALS['TCA'][$table]['columns'])) {
            foreach ($GLOBALS['TCA'][$table]['columns'] as $field => $fieldConf) {
                $this->version_swap_processFields($table, $field, $fieldConf['config'], $curVersion, $swapVersion, $tcemainObj);
            }
        }
        unset($swapVersion['uid']);
        // Modify online version to become offline:
        unset($curVersion['uid']);
        // Set pid for OFFLINE
        $curVersion['pid'] = -1;
        $curVersion['t3ver_oid'] = (int)$id;
        $curVersion['t3ver_wsid'] = $swapIntoWS ? (int)$tmp_wsid : 0;
        $curVersion['t3ver_tstamp'] = $GLOBALS['EXEC_TIME'];
        $curVersion['t3ver_count'] = $curVersion['t3ver_count'] + 1;
        // Increment lifecycle counter
        $curVersion['t3ver_stage'] = 0;
        if (!$swapIntoWS) {
            $curVersion['t3ver_state'] = (string)new VersionState(VersionState::DEFAULT_STATE);
        }
        // Registering and swapping MM relations in current and swap records:
        $tcemainObj->version_remapMMForVersionSwap($table, $id, $swapWith);
        // Generating proper history data to prepare logging
        $tcemainObj->compareFieldArrayWithCurrentAndUnset($table, $id, $swapVersion);
        $tcemainObj->compareFieldArrayWithCurrentAndUnset($table, $swapWith, $curVersion);
        // Execute swapping:
        $sqlErrors = array();
        $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$id, $swapVersion);
        if ($GLOBALS['TYPO3_DB']->sql_error()) {
            $sqlErrors[] = $GLOBALS['TYPO3_DB']->sql_error();
        } else {
            $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$swapWith, $curVersion);
            if ($GLOBALS['TYPO3_DB']->sql_error()) {
                $sqlErrors[] = $GLOBALS['TYPO3_DB']->sql_error();
            } else {
                unlink($lockFileName);
            }
        }
        if (!empty($sqlErrors)) {
            $tcemainObj->newlog('During Swapping: SQL errors happened: ' . implode('; ', $sqlErrors), 2);
        } else {
            // Register swapped ids for later remapping:
            $this->remappedIds[$table][$id] = $swapWith;
            $this->remappedIds[$table][$swapWith] = $id;
            // If a moving operation took place...:
            if ($movePlhID) {
                // Remove, if normal publishing:
                if (!$swapIntoWS) {
                    // For delete + completely delete!
                    $tcemainObj->deleteEl($table, $movePlhID, true, true);
                } else {
                    // Otherwise update the movePlaceholder:
                    $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$movePlhID, $movePlh);
                    $tcemainObj->addRemapStackRefIndex($table, $movePlhID);
                }
            }
            // Checking for delete:
            // Delete only if new/deleted placeholders are there.
            if (!$swapIntoWS && ((int)$t3ver_state['swapVersion'] === 1 || (int)$t3ver_state['swapVersion'] === 2)) {
                // Force delete
                $tcemainObj->deleteEl($table, $id, true);
            }
            $tcemainObj->newlog2(($swapIntoWS ? 'Swapping' : 'Publishing') . ' successful for table "' . $table . '" uid ' . $id . '=>' . $swapWith, $table, $id, $swapVersion['pid']);
            // Update reference index of the live record:
            $tcemainObj->addRemapStackRefIndex($table, $id);
            // Set log entry for live record:
            $propArr = $tcemainObj->getRecordPropertiesFromRow($table, $swapVersion);
            if ($propArr['_ORIG_pid'] == -1) {
                $label = $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_tcemain.xlf:version_swap.offline_record_updated');
            } else {
                $label = $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_tcemain.xlf:version_swap.online_record_updated');
            }
            $theLogId = $tcemainObj->log($table, $id, 2, $propArr['pid'], 0, $label, 10, array($propArr['header'], $table . ':' . $id), $propArr['event_pid']);
            $tcemainObj->setHistory($table, $id, $theLogId);
            // Update reference index of the offline record:
            $tcemainObj->addRemapStackRefIndex($table, $swapWith);
            // Set log entry for offline record:
            $propArr = $tcemainObj->getRecordPropertiesFromRow($table, $curVersion);
            if ($propArr['_ORIG_pid'] == -1) {
                $label = $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_tcemain.xlf:version_swap.offline_record_updated');
            } else {
                $label = $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_tcemain.xlf:version_swap.online_record_updated');
            }
            $theLogId = $tcemainObj->log($table, $swapWith, 2, $propArr['pid'], 0, $label, 10, array($propArr['header'], $table . ':' . $swapWith), $propArr['event_pid']);
            $tcemainObj->setHistory($table, $swapWith, $theLogId);

            $stageId = -20; // \TYPO3\CMS\Workspaces\Service\StagesService::STAGE_PUBLISH_EXECUTE_ID;
            if ($notificationEmailInfo) {
                $notificationEmailInfoKey = $wsAccess['uid'] . ':' . $stageId . ':' . $comment;
                $this->notificationEmailInfo[$notificationEmailInfoKey]['shared'] = array($wsAccess, $stageId, $comment);
                $this->notificationEmailInfo[$notificationEmailInfoKey]['elements'][] = $table . ':' . $id;
                $this->notificationEmailInfo[$notificationEmailInfoKey]['alternativeRecipients'] = $notificationAlternativeRecipients;
            } else {
                $this->notifyStageChange($wsAccess, $stageId, $table, $id, $comment, $tcemainObj, $notificationAlternativeRecipients);
            }
                // Write to log with stageId -20
            $tcemainObj->newlog2('Stage for record was changed to ' . $stageId . '. Comment was: "' . substr($comment, 0, 100) . '"', $table, $id);
            $tcemainObj->log($table, $id, 6, 0, 0, 'Published', 30, array('comment' => $comment, 'stage' => $stageId));

            // Clear cache:
            $tcemainObj->registerRecordIdForPageCacheClearing($table, $id);
            // Checking for "new-placeholder" and if found, delete it (BUT FIRST after swapping!):
            if (!$swapIntoWS && $t3ver_state['curVersion'] > 0) {
                // For delete + completely delete!
                $tcemainObj->deleteEl($table, $swapWith, true, true);
            }

            //Update reference index for live workspace too:
            $refIndexObj = GeneralUtility::makeInstance(ReferenceIndex::class);
            $refIndexObj->setWorkspaceId(0);
            $refIndexObj->updateRefIndexTable($table, $id);
            $refIndexObj->updateRefIndexTable($table, $swapWith);
        }
    }

    public function writeRemappedForeignField(\TYPO3\CMS\Core\Database\RelationHandler $dbAnalysis, array $configuration, $parentId)
    {
        foreach ($dbAnalysis->itemArray as &$item) {
            if (isset($this->remappedIds[$item['table']][$item['id']])) {
                $item['id'] = $this->remappedIds[$item['table']][$item['id']];
            }
        }
        $dbAnalysis->writeForeignField($configuration, $parentId);
    }

    protected function version_swap_processFields($tableName, $fieldName, array $configuration, array $liveData, array $versionData, DataHandler $dataHandler)
    {
        $inlineType = $dataHandler->getInlineFieldType($configuration);
        if ($inlineType !== 'field') {
            return;
        }
        $foreignTable = $configuration['foreign_table'];
        // Read relations that point to the current record (e.g. live record):
        $liveRelations = $this->createRelationHandlerInstance();
        $liveRelations->setWorkspaceId(0);
        $liveRelations->start('', $foreignTable, '', $liveData['uid'], $tableName, $configuration);
        // Read relations that point to the record to be swapped with e.g. draft record):
        $versionRelations = $this->createRelationHandlerInstance();
        $versionRelations->setUseLiveReferenceIds(false);
        $versionRelations->start('', $foreignTable, '', $versionData['uid'], $tableName, $configuration);
        // Update relations for both (workspace/versioning) sites:
        if (count($liveRelations->itemArray)) {
            $dataHandler->addRemapAction(
                    $tableName, $liveData['uid'],
                    array($this, 'updateInlineForeignFieldSorting'),
                    array($tableName, $liveData['uid'], $foreignTable, $liveRelations->tableArray[$foreignTable], $configuration, $dataHandler->BE_USER->workspace)
            );
        }
        if (count($versionRelations->itemArray)) {
            $dataHandler->addRemapAction(
                    $tableName, $liveData['uid'],
                    array($this, 'updateInlineForeignFieldSorting'),
                    array($tableName, $liveData['uid'], $foreignTable, $versionRelations->tableArray[$foreignTable], $configuration, 0)
            );
        }
    }

    public function updateInlineForeignFieldSorting($parentTableName, $parentId, $foreignTableName, $foreignIds, array $configuration, $targetWorkspaceId)
    {
        $remappedIds = array();
        // Use remapped ids (live id <-> version id)
        foreach ($foreignIds as $foreignId) {
            if (!empty($this->remappedIds[$foreignTableName][$foreignId])) {
                $remappedIds[] = $this->remappedIds[$foreignTableName][$foreignId];
            } else {
                $remappedIds[] = $foreignId;
            }
        }

        $relationHandler = $this->createRelationHandlerInstance();
        $relationHandler->setWorkspaceId($targetWorkspaceId);
        $relationHandler->setUseLiveReferenceIds(false);
        $relationHandler->start(implode(',', $remappedIds), $foreignTableName);
        $relationHandler->processDeletePlaceholder();
        $relationHandler->writeForeignField($configuration, $parentId);
    }

    protected function version_clearWSID($table, $id, $flush = false, DataHandler $tcemainObj)
    {
        if ($errorCode = $tcemainObj->BE_USER->workspaceCannotEditOfflineVersion($table, $id)) {
            $tcemainObj->newlog('Attempt to reset workspace for record failed: ' . $errorCode, 1);
            return;
        }
        if (!$tcemainObj->checkRecordUpdateAccess($table, $id)) {
            $tcemainObj->newlog('Attempt to reset workspace for record failed because you do not have edit access', 1);
            return;
        }
        $liveRec = BackendUtility::getLiveVersionOfRecord($table, $id, 'uid,t3ver_state');
        if (!$liveRec) {
            return;
        }
        // Clear workspace ID:
        $updateData = array(
            't3ver_wsid' => 0,
            't3ver_tstamp' => $GLOBALS['EXEC_TIME']
        );
        $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$id, $updateData);
        // Clear workspace ID for live version AND DELETE IT as well because it is a new record!
        if (
            VersionState::cast($liveRec['t3ver_state'])->equals(VersionState::NEW_PLACEHOLDER)
            || VersionState::cast($liveRec['t3ver_state'])->equals(VersionState::DELETE_PLACEHOLDER)
        ) {
            $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$liveRec['uid'], $updateData);
            // THIS assumes that the record was placeholder ONLY for ONE record (namely $id)
            $tcemainObj->deleteEl($table, $liveRec['uid'], true);
        }
        // If "deleted" flag is set for the version that got released
        // it doesn't make sense to keep that "placeholder" anymore and we delete it completly.
        $wsRec = BackendUtility::getRecord($table, $id);
        if (
            $flush
            || (
                VersionState::cast($wsRec['t3ver_state'])->equals(VersionState::NEW_PLACEHOLDER)
                || VersionState::cast($wsRec['t3ver_state'])->equals(VersionState::DELETE_PLACEHOLDER)
            )
        ) {
            $tcemainObj->deleteEl($table, $id, true, true);
        }
        // Remove the move-placeholder if found for live record.
        if (BackendUtility::isTableWorkspaceEnabled($table)) {
            if ($plhRec = BackendUtility::getMovePlaceholder($table, $liveRec['uid'], 'uid')) {
                $tcemainObj->deleteEl($table, $plhRec['uid'], true, true);
            }
        }
    }

    /*******************************
     *****  helper functions  ******
     *******************************/
    protected function rawCopyPageContent($oldPageId, $newPageId, array $copyTablesArray, DataHandler $tcemainObj)
    {
        if (!$newPageId) {
            return;
        }
        foreach ($copyTablesArray as $table) {
            // all records under the page is copied.
            if ($table && is_array($GLOBALS['TCA'][$table]) && $table !== 'pages') {
                $mres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid', $table, 'pid=' . (int)$oldPageId . $tcemainObj->deleteClause($table));
                while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($mres)) {
                    // Check, if this record has already been copied by a parent record as relation:
                    if (!$tcemainObj->copyMappingArray[$table][$row['uid']]) {
                        // Copying each of the underlying records (method RAW)
                        $tcemainObj->copyRecord_raw($table, $row['uid'], $newPageId);
                    }
                }
                $GLOBALS['TYPO3_DB']->sql_free_result($mres);
            }
        }
    }

    public function findPageElementsForVersionSwap($table, $id, $offlineId)
    {
        $rec = BackendUtility::getRecord($table, $offlineId, 't3ver_wsid');
        $workspaceId = (int)$rec['t3ver_wsid'];
        $elementData = array();
        if ($workspaceId === 0) {
            return $elementData;
        }
        // Get page UID for LIVE and workspace
        if ($table != 'pages') {
            $rec = BackendUtility::getRecord($table, $id, 'pid');
            $pageId = $rec['pid'];
            $rec = BackendUtility::getRecord('pages', $pageId);
            BackendUtility::workspaceOL('pages', $rec, $workspaceId);
            $offlinePageId = $rec['_ORIG_uid'];
        } else {
            $pageId = $id;
            $offlinePageId = $offlineId;
        }
        // Traversing all tables supporting versioning:
        foreach ($GLOBALS['TCA'] as $table => $cfg) {
            if ($GLOBALS['TCA'][$table]['ctrl']['versioningWS'] && $table !== 'pages') {
                $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('A.uid AS offlineUid, B.uid AS uid', $table . ' A,' . $table . ' B', 'A.pid=-1 AND B.pid=' . $pageId . ' AND A.t3ver_wsid=' . $workspaceId . ' AND B.uid=A.t3ver_oid' . BackendUtility::deleteClause($table, 'A') . BackendUtility::deleteClause($table, 'B'));
                while (false != ($row = $GLOBALS['TYPO3_DB']->sql_fetch_row($res))) {
                    $elementData[$table][] = array($row[1], $row[0]);
                }
                $GLOBALS['TYPO3_DB']->sql_free_result($res);
            }
        }
        if ($offlinePageId && $offlinePageId != $pageId) {
            $elementData['pages'][] = array($pageId, $offlinePageId);
        }
        return $elementData;
    }

    public function findPageElementsForVersionStageChange(array $pageIdList, $workspaceId, array &$elementList)
    {
        if ($workspaceId == 0) {
            return;
        }
        // Traversing all tables supporting versioning:
        foreach ($GLOBALS['TCA'] as $table => $cfg) {
            if ($GLOBALS['TCA'][$table]['ctrl']['versioningWS'] && $table !== 'pages') {
                $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('DISTINCT A.uid', $table . ' A,' . $table . ' B', 'A.pid=-1' . ' AND A.t3ver_wsid=' . $workspaceId . ' AND B.pid IN (' . implode(',', $pageIdList) . ') AND A.t3ver_oid=B.uid' . BackendUtility::deleteClause($table, 'A') . BackendUtility::deleteClause($table, 'B'));
                while (false !== ($row = $GLOBALS['TYPO3_DB']->sql_fetch_row($res))) {
                    $elementList[$table][] = $row[0];
                }
                $GLOBALS['TYPO3_DB']->sql_free_result($res);
                if (is_array($elementList[$table])) {
                    // Yes, it is possible to get non-unique array even with DISTINCT above!
                    // It happens because several UIDs are passed in the array already.
                    $elementList[$table] = array_unique($elementList[$table]);
                }
            }
        }
    }

    public function findPageIdsForVersionStateChange($table, array $idList, $workspaceId, array &$pageIdList, array &$elementList)
    {
        if ($workspaceId == 0) {
            return;
        }
        $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('DISTINCT B.pid', $table . ' A,' . $table . ' B', 'A.pid=-1' . ' AND A.t3ver_wsid=' . $workspaceId . ' AND A.uid IN (' . implode(',', $idList) . ') AND A.t3ver_oid=B.uid' . BackendUtility::deleteClause($table, 'A') . BackendUtility::deleteClause($table, 'B'));
        while (false !== ($row = $GLOBALS['TYPO3_DB']->sql_fetch_row($res))) {
            $pageIdList[] = $row[0];
            // Find ws version
            // Note: cannot use BackendUtility::getRecordWSOL()
            // here because it does not accept workspace id!
            $rec = BackendUtility::getRecord('pages', $row[0]);
            BackendUtility::workspaceOL('pages', $rec, $workspaceId);
            if ($rec['_ORIG_uid']) {
                $elementList['pages'][$row[0]] = $rec['_ORIG_uid'];
            }
        }
        $GLOBALS['TYPO3_DB']->sql_free_result($res);
        // The line below is necessary even with DISTINCT
        // because several elements can be passed by caller
        $pageIdList = array_unique($pageIdList);
    }

    public function findRealPageIds(array &$idList)
    {
        foreach ($idList as $key => $id) {
            $rec = BackendUtility::getRecord('pages', $id, 't3ver_oid');
            if ($rec['t3ver_oid'] > 0) {
                $idList[$key] = $rec['t3ver_oid'];
            }
        }
    }

    protected function moveRecord_wsPlaceholders($table, $uid, $destPid, $wsUid, DataHandler $tcemainObj)
    {
        // If a record gets moved after a record that already has a placeholder record
        // then the new placeholder record needs to be after the existing one
        $originalRecordDestinationPid = $destPid;
        if ($destPid < 0) {
            $movePlaceHolder = BackendUtility::getMovePlaceholder($table, abs($destPid), 'uid');
            if ($movePlaceHolder !== false) {
                $destPid = -$movePlaceHolder['uid'];
            }
        }
        if ($plh = BackendUtility::getMovePlaceholder($table, $uid, 'uid')) {
            // If already a placeholder exists, move it:
            $tcemainObj->moveRecord_raw($table, $plh['uid'], $destPid);
        } else {
            // First, we create a placeholder record in the Live workspace that
            // represents the position to where the record is eventually moved to.
            $newVersion_placeholderFieldArray = array();

            // Use property for move placeholders if set (since TYPO3 CMS 6.2)
            if (isset($GLOBALS['TCA'][$table]['ctrl']['shadowColumnsForMovePlaceholders'])) {
                $shadowColumnsForMovePlaceholder = $GLOBALS['TCA'][$table]['ctrl']['shadowColumnsForMovePlaceholders'];
            // Fallback to property for new placeholder (existed long time before TYPO3 CMS 6.2)
            } elseif (isset($GLOBALS['TCA'][$table]['ctrl']['shadowColumnsForNewPlaceholders'])) {
                $shadowColumnsForMovePlaceholder = $GLOBALS['TCA'][$table]['ctrl']['shadowColumnsForNewPlaceholders'];
            }

            // Set values from the versioned record to the move placeholder
            if (!empty($shadowColumnsForMovePlaceholder)) {
                $versionedRecord = BackendUtility::getRecord($table, $wsUid);
                $shadowColumns = GeneralUtility::trimExplode(',', $shadowColumnsForMovePlaceholder, true);
                foreach ($shadowColumns as $shadowColumn) {
                    if (isset($versionedRecord[$shadowColumn])) {
                        $newVersion_placeholderFieldArray[$shadowColumn] = $versionedRecord[$shadowColumn];
                    }
                }
            }

            if ($GLOBALS['TCA'][$table]['ctrl']['crdate']) {
                $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['crdate']] = $GLOBALS['EXEC_TIME'];
            }
            if ($GLOBALS['TCA'][$table]['ctrl']['cruser_id']) {
                $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['cruser_id']] = $tcemainObj->userid;
            }
            if ($GLOBALS['TCA'][$table]['ctrl']['tstamp']) {
                $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['tstamp']] = $GLOBALS['EXEC_TIME'];
            }
            if ($table == 'pages') {
                // Copy page access settings from original page to placeholder
                $perms_clause = $tcemainObj->BE_USER->getPagePermsClause(1);
                $access = BackendUtility::readPageAccess($uid, $perms_clause);
                $newVersion_placeholderFieldArray['perms_userid'] = $access['perms_userid'];
                $newVersion_placeholderFieldArray['perms_groupid'] = $access['perms_groupid'];
                $newVersion_placeholderFieldArray['perms_user'] = $access['perms_user'];
                $newVersion_placeholderFieldArray['perms_group'] = $access['perms_group'];
                $newVersion_placeholderFieldArray['perms_everybody'] = $access['perms_everybody'];
            }
            $newVersion_placeholderFieldArray['t3ver_label'] = 'MovePlaceholder #' . $uid;
            $newVersion_placeholderFieldArray['t3ver_move_id'] = $uid;
            // Setting placeholder state value for temporary record
            $newVersion_placeholderFieldArray['t3ver_state'] = (string)new VersionState(VersionState::MOVE_PLACEHOLDER);
            // Setting workspace - only so display of place holders can filter out those from other workspaces.
            $newVersion_placeholderFieldArray['t3ver_wsid'] = $tcemainObj->BE_USER->workspace;
            $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['label']] = $tcemainObj->getPlaceholderTitleForTableLabel($table, 'MOVE-TO PLACEHOLDER for #' . $uid);
            // moving localized records requires to keep localization-settings for the placeholder too
            if (isset($GLOBALS['TCA'][$table]['ctrl']['languageField']) && isset($GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField'])) {
                $l10nParentRec = BackendUtility::getRecord($table, $uid);
                $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['languageField']] = $l10nParentRec[$GLOBALS['TCA'][$table]['ctrl']['languageField']];
                $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']] = $l10nParentRec[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']];
                if (isset($GLOBALS['TCA'][$table]['ctrl']['transOrigDiffSourceField'])) {
                    $newVersion_placeholderFieldArray[$GLOBALS['TCA'][$table]['ctrl']['transOrigDiffSourceField']] = $l10nParentRec[$GLOBALS['TCA'][$table]['ctrl']['transOrigDiffSourceField']];
                }
                unset($l10nParentRec);
            }
            // Initially, create at root level.
            $newVersion_placeholderFieldArray['pid'] = 0;
            $id = 'NEW_MOVE_PLH';
            // Saving placeholder as 'original'
            $tcemainObj->insertDB($table, $id, $newVersion_placeholderFieldArray, false);
            // Move the new placeholder from temporary root-level to location:
            $tcemainObj->moveRecord_raw($table, $tcemainObj->substNEWwithIDs[$id], $destPid);
            // Move the workspace-version of the original to be the version of the move-to-placeholder:
            // Setting placeholder state value for version (so it can know it is currently a new version...)
            $updateFields = array(
                't3ver_state' => (string)new VersionState(VersionState::MOVE_POINTER)
            );
            $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . (int)$wsUid, $updateFields);
        }
        // Check for the localizations of that element and move them as well
        $tcemainObj->moveL10nOverlayRecords($table, $uid, $destPid, $originalRecordDestinationPid);
    }

    protected function getPossibleInlineChildTablesOfParentTable($parentTable, array $possibleInlineChildren = array())
    {
        foreach ($GLOBALS['TCA'][$parentTable]['columns'] as $parentField => $parentFieldDefinition) {
            if (isset($parentFieldDefinition['config']['type'])) {
                $parentFieldConfiguration = $parentFieldDefinition['config'];
                if ($parentFieldConfiguration['type'] == 'inline' && isset($parentFieldConfiguration['foreign_table'])) {
                    if (!in_array($parentFieldConfiguration['foreign_table'], $possibleInlineChildren)) {
                        $possibleInlineChildren = $this->getPossibleInlineChildTablesOfParentTable($parentFieldConfiguration['foreign_table'], array_merge($possibleInlineChildren, $parentFieldConfiguration['foreign_table']));
                    }
                }
            }
        }
        return $possibleInlineChildren;
    }

    public function getCommandMap(DataHandler $tceMain)
    {
        return GeneralUtility::makeInstance(
            \TYPO3\CMS\Version\DataHandler\CommandMap::class,
            $this,
            $tceMain,
            $tceMain->cmdmap,
            $tceMain->BE_USER->workspace
        );
    }

    protected function getUniqueFields($table)
    {
        $listArr = array();
        if (empty($GLOBALS['TCA'][$table]['columns'])) {
            return $listArr;
        }
        foreach ($GLOBALS['TCA'][$table]['columns'] as $field => $configArr) {
            if ($configArr['config']['type'] === 'input') {
                $evalCodesArray = GeneralUtility::trimExplode(',', $configArr['config']['eval'], true);
                if (in_array('uniqueInPid', $evalCodesArray) || in_array('unique', $evalCodesArray)) {
                    $listArr[] = $field;
                }
            }
        }
        return $listArr;
    }

    protected function createRelationHandlerInstance()
    {
        return GeneralUtility::makeInstance(\TYPO3\CMS\Core\Database\RelationHandler::class);
    }
}