GridDataService.php

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<?php
namespace ‪TYPO3\CMS\Workspaces\Service;
 
/*
 * 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 Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use ‪TYPO3\CMS\Backend\Configuration\TranslationConfigurationProvider;
use ‪TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Core\Cache\CacheManager;
use ‪TYPO3\CMS\Core\Imaging\Icon;
use ‪TYPO3\CMS\Core\Imaging\IconFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Versioning\VersionState;
use ‪TYPO3\CMS\Extbase\Object\ObjectManager;
use ‪TYPO3\CMS\Extbase\SignalSlot\Dispatcher;
use ‪TYPO3\CMS\Workspaces\Domain\Model\CombinedRecord;
use ‪TYPO3\CMS\Workspaces\Preview\PreviewUriBuilder;
 
class ‪GridDataService implements LoggerAwareInterface
{
    use LoggerAwareTrait;
 
    const ‪SIGNAL_GenerateDataArray_BeforeCaching = 'generateDataArray.beforeCaching';
    const ‪SIGNAL_GenerateDataArray_PostProcesss = 'generateDataArray.postProcess';
    const ‪SIGNAL_GetDataArray_PostProcesss = 'getDataArray.postProcess';
    const ‪SIGNAL_SortDataArray_PostProcesss = 'sortDataArray.postProcess';
 
    const ‪GridColumn_Collection = 'Workspaces_Collection';
    const ‪GridColumn_CollectionLevel = 'Workspaces_CollectionLevel';
    const ‪GridColumn_CollectionParent = 'Workspaces_CollectionParent';
    const ‪GridColumn_CollectionCurrent = 'Workspaces_CollectionCurrent';
    const ‪GridColumn_CollectionChildren = 'Workspaces_CollectionChildren';
 
    protected ‪$currentWorkspace;
 
    protected ‪$dataArray = [];
 
    protected ‪$sort = '';
 
    protected ‪$sortDir = '';
 
    protected ‪$workspacesCache;
 
    protected ‪$integrityService;
 
    public function ‪generateGridListFromVersions($versions, $parameter, ‪$currentWorkspace)
    {
        // Read the given parameters from grid. If the parameter is not set use default values.
        $filterTxt = $parameter->filterTxt ?? '';
        $start = isset($parameter->start) ? (int)$parameter->start : 0;
        $limit = isset($parameter->limit) ? (int)$parameter->limit : 30;
        $this->sort = $parameter->sort ?? 't3ver_oid';
        $this->sortDir = $parameter->dir ?? 'ASC';
        if (is_int(‪$currentWorkspace)) {
            $this->currentWorkspace = ‪$currentWorkspace;
        } else {
            throw new \InvalidArgumentException('No such workspace defined', 1476048304);
        }
        $data = [];
        $data['data'] = [];
        $this->‪generateDataArray($versions, $filterTxt);
        $data['total'] = count($this->dataArray);
        $data['data'] = $this->‪getDataArray($start, $limit);
        return $data;
    }
 
    protected function ‪generateDataArray(array $versions, $filterTxt)
    {
        $workspaceAccess = ‪$GLOBALS['BE_USER']->checkWorkspace(‪$GLOBALS['BE_USER']->workspace);
        $swapStage = $workspaceAccess['publish_access'] & 1 ? ‪StagesService::STAGE_PUBLISH_ID : 0;
        $swapAccess = ‪$GLOBALS['BE_USER']->workspacePublishAccess(‪$GLOBALS['BE_USER']->workspace) && ‪$GLOBALS['BE_USER']->workspaceSwapAccess();
        $this->‪initializeWorkspacesCachingFramework();
        $iconFactory = GeneralUtility::makeInstance(IconFactory::class);
        // check for dataArray in cache
        if ($this->‪getDataArrayFromCache($versions, $filterTxt) === false) {
            $stagesObj = GeneralUtility::makeInstance(StagesService::class);
            $defaultGridColumns = [
                self::GridColumn_Collection => 0,
                self::GridColumn_CollectionLevel => 0,
                self::GridColumn_CollectionParent => '',
                self::GridColumn_CollectionCurrent => '',
                self::GridColumn_CollectionChildren => 0,
            ];
            foreach ($versions as $table => $records) {
                $hiddenField = $this->‪getTcaEnableColumnsFieldName($table, 'disabled');
                $isRecordTypeAllowedToModify = ‪$GLOBALS['BE_USER']->check('tables_modify', $table);
 
                foreach ($records as $record) {
                    $origRecord = ‪BackendUtility::getRecord($table, $record['t3ver_oid']);
                    $versionRecord = ‪BackendUtility::getRecord($table, $record['uid']);
                    $combinedRecord = ‪CombinedRecord::createFromArrays($table, $origRecord, $versionRecord);
                    $this->‪getIntegrityService()->‪checkElement($combinedRecord);
 
                    if ($hiddenField !== null) {
                        $recordState = $this->‪workspaceState($versionRecord['t3ver_state'], $origRecord[$hiddenField], $versionRecord[$hiddenField]);
                    } else {
                        $recordState = $this->‪workspaceState($versionRecord['t3ver_state']);
                    }
 
                    $isDeletedPage = $table === 'pages' && $recordState === 'deleted';
                    $pageId = $table === 'pages' ? $record['uid'] : $record['pid'];
                    $viewUrl = GeneralUtility::makeInstance(PreviewUriBuilder::class)->buildUriForElement($table, $record['uid'], $origRecord, $versionRecord);
                    $versionArray = [];
                    $versionArray['table'] = $table;
                    $versionArray['id'] = $table . ':' . $record['uid'];
                    $versionArray['uid'] = $record['uid'];
                    $versionArray['workspace'] = $versionRecord['t3ver_id'];
                    $versionArray = array_merge($versionArray, $defaultGridColumns);
                    $versionArray['label_Workspace'] = htmlspecialchars(‪BackendUtility::getRecordTitle($table, $versionRecord));
                    $versionArray['label_Live'] = htmlspecialchars(‪BackendUtility::getRecordTitle($table, $origRecord));
                    $versionArray['label_Stage'] = htmlspecialchars($stagesObj->getStageTitle($versionRecord['t3ver_stage']));
                    $tempStage = $stagesObj->getNextStage($versionRecord['t3ver_stage']);
                    $versionArray['label_nextStage'] = htmlspecialchars($stagesObj->getStageTitle($tempStage['uid']));
                    $versionArray['value_nextStage'] = (int)$tempStage['uid'];
                    $tempStage = $stagesObj->getPrevStage($versionRecord['t3ver_stage']);
                    $versionArray['label_prevStage'] = htmlspecialchars($stagesObj->getStageTitle($tempStage['uid']));
                    $versionArray['value_prevStage'] = (int)$tempStage['uid'];
                    $versionArray['path_Live'] = htmlspecialchars(‪BackendUtility::getRecordPath($record['livepid'], '', 999));
                    // no htmlspecialchars necessary as this is only used in JS via text function
                    $versionArray['path_Workspace'] = ‪BackendUtility::getRecordPath($record['wspid'], '', 999);
                    $versionArray['workspace_Title'] = htmlspecialchars(‪WorkspaceService::getWorkspaceTitle($versionRecord['t3ver_wsid']));
                    $versionArray['workspace_Tstamp'] = $versionRecord['tstamp'];
                    $versionArray['workspace_Formated_Tstamp'] = ‪BackendUtility::datetime($versionRecord['tstamp']);
                    $versionArray['t3ver_wsid'] = $versionRecord['t3ver_wsid'];
                    $versionArray['t3ver_oid'] = $record['t3ver_oid'];
                    $versionArray['livepid'] = $record['livepid'];
                    $versionArray['stage'] = $versionRecord['t3ver_stage'];
                    $versionArray['icon_Live'] = $iconFactory->getIconForRecord($table, $origRecord, ‪Icon::SIZE_SMALL)->render();
                    $versionArray['icon_Workspace'] = $iconFactory->getIconForRecord($table, $versionRecord, ‪Icon::SIZE_SMALL)->render();
                    $languageValue = $this->‪getLanguageValue($table, $versionRecord);
                    $versionArray['languageValue'] = $languageValue;
                    $versionArray['language'] = [
                        'icon' => $iconFactory->getIcon($this->‪getSystemLanguageValue($languageValue, $pageId, 'flagIcon'), ‪Icon::SIZE_SMALL)->render()
                    ];
                    $versionArray['allowedAction_nextStage'] = $isRecordTypeAllowedToModify && $stagesObj->isNextStageAllowedForUser($versionRecord['t3ver_stage']);
                    $versionArray['allowedAction_prevStage'] = $isRecordTypeAllowedToModify && $stagesObj->isPrevStageAllowedForUser($versionRecord['t3ver_stage']);
                    if ($swapAccess && $swapStage != 0 && $versionRecord['t3ver_stage'] == $swapStage) {
                        $versionArray['allowedAction_swap'] = $isRecordTypeAllowedToModify && $stagesObj->isNextStageAllowedForUser($swapStage);
                    } elseif ($swapAccess && $swapStage == 0) {
                        $versionArray['allowedAction_swap'] = $isRecordTypeAllowedToModify;
                    } else {
                        $versionArray['allowedAction_swap'] = false;
                    }
                    $versionArray['allowedAction_delete'] = $isRecordTypeAllowedToModify;
                    // preview and editing of a deleted page won't work ;)
                    $versionArray['allowedAction_view'] = !$isDeletedPage && $viewUrl;
                    $versionArray['allowedAction_edit'] = $isRecordTypeAllowedToModify && !$isDeletedPage;
                    $versionArray['allowedAction_editVersionedPage'] = $isRecordTypeAllowedToModify && !$isDeletedPage;
                    $versionArray['state_Workspace'] = $recordState;
 
                    $versionArray = array_merge(
                        $versionArray,
                        $this->‪getAdditionalColumnService()->getData($combinedRecord)
                    );
 
                    if ($filterTxt == '' || $this->‪isFilterTextInVisibleColumns($filterTxt, $versionArray)) {
                        $versionIdentifier = $versionArray['id'];
                        $this->dataArray[$versionIdentifier] = $versionArray;
                    }
                }
            }
            // Suggested slot method:
            // methodName(\TYPO3\CMS\Workspaces\Service\GridDataService $gridData, array $dataArray, array $versions)
            list($this->dataArray, $versions) = $this->‪emitSignal(self::SIGNAL_GenerateDataArray_BeforeCaching, $this->dataArray, $versions);
            // Enrich elements after everything has been processed:
            foreach ($this->dataArray as &$element) {
                $identifier = $element['table'] . ':' . $element['t3ver_oid'];
                $element['integrity'] = [
                    'status' => $this->‪getIntegrityService()->‪getStatusRepresentation($identifier),
                    'messages' => htmlspecialchars($this->‪getIntegrityService()->getIssueMessages($identifier, true))
                ];
            }
            $this->‪setDataArrayIntoCache($versions, $filterTxt);
        }
        // Suggested slot method:
        // methodName(\TYPO3\CMS\Workspaces\Service\GridDataService $gridData, array $dataArray, array $versions)
        list($this->dataArray, $versions) = $this->‪emitSignal(self::SIGNAL_GenerateDataArray_PostProcesss, $this->dataArray, $versions);
        $this->‪sortDataArray();
        $this->‪resolveDataArrayDependencies();
    }
 
    protected function ‪resolveDataArrayDependencies()
    {
        $collectionService = $this->‪getDependencyCollectionService();
        $dependencyResolver = $collectionService->getDependencyResolver();
 
        foreach ($this->dataArray as $dataElement) {
            $dependencyResolver->addElement($dataElement['table'], $dataElement['uid']);
        }
 
        $this->dataArray = $collectionService->process($this->dataArray);
    }
 
    protected function ‪getDataArray($start, $limit)
    {
        $dataArrayPart = [];
        $dataArrayCount = count($this->dataArray);
        $end = ($start + $limit < $dataArrayCount ? $start + $limit : $dataArrayCount);
 
        // Ensure that there are numerical indexes
        $this->dataArray = array_values($this->dataArray);
        for ($i = $start; $i < $end; $i++) {
            $dataArrayPart[] = $this->dataArray[$i];
        }
 
        // Ensure that collections are not cut for the pagination
        if (!empty($this->dataArray[$i][self::GridColumn_Collection])) {
            $collectionIdentifier = $this->dataArray[$i][‪self::GridColumn_Collection];
            for ($i = $i + 1; $i < $dataArrayCount && $collectionIdentifier === $this->dataArray[$i][‪self::GridColumn_Collection]; $i++) {
                $dataArrayPart[] = $this->dataArray[$i];
            }
        }
 
        // Suggested slot method:
        // methodName(\TYPO3\CMS\Workspaces\Service\GridDataService $gridData, array $dataArray, $start, $limit, array $dataArrayPart)
        list($this->dataArray, $start, $limit, $dataArrayPart) = $this->‪emitSignal(self::SIGNAL_GetDataArray_PostProcesss, $this->dataArray, $start, $limit, $dataArrayPart);
        return $dataArrayPart;
    }
 
    protected function ‪initializeWorkspacesCachingFramework()
    {
        $this->workspacesCache = GeneralUtility::makeInstance(CacheManager::class)->getCache('workspaces_cache');
    }
 
    protected function ‪setDataArrayIntoCache(array $versions, $filterTxt)
    {
        $hash = $this->‪calculateHash($versions, $filterTxt);
        $this->workspacesCache->set($hash, $this->dataArray, [(string)$this->currentWorkspace, 'user_' . ‪$GLOBALS['BE_USER']->user['uid']]);
    }
 
    protected function ‪getDataArrayFromCache(array $versions, $filterTxt)
    {
        $cacheEntry = false;
        $hash = $this->‪calculateHash($versions, $filterTxt);
        $content = $this->workspacesCache->get($hash);
        if ($content !== false) {
            $this->dataArray = $content;
            $cacheEntry = true;
        }
        return $cacheEntry;
    }
 
    protected function ‪calculateHash(array $versions, $filterTxt)
    {
        $hashArray = [
            ‪$GLOBALS['BE_USER']->workspace,
            ‪$GLOBALS['BE_USER']->user['uid'],
            $versions,
            $filterTxt,
            ‪$this->sort,
            ‪$this->sortDir,
            ‪$this->currentWorkspace
        ];
        $hash = md5(serialize($hashArray));
        return $hash;
    }
 
    protected function ‪sortDataArray()
    {
        if (is_array($this->dataArray)) {
            switch ($this->sort) {
                case 'uid':
                case 'change':
                case 'workspace_Tstamp':
                case 't3ver_oid':
                case 'liveid':
                case 'livepid':
                case 'languageValue':
                    uasort($this->dataArray, [$this, 'intSort']);
                    break;
                case 'label_Workspace':
                case 'label_Live':
                case 'label_Stage':
                case 'workspace_Title':
                case 'path_Live':
                    // case 'path_Workspace': This is the first sorting attribute
                    uasort($this->dataArray, [$this, 'stringSort']);
                    break;
                default:
                    // Do nothing
            }
        } else {
            $this->logger->critical('Try to sort "' . $this->sort . '" in "\\TYPO3\\CMS\\Workspaces\\Service\\GridDataService::sortDataArray" but $this->dataArray is empty! This might be the bug #26422 which could not be reproduced yet.');
        }
        // Suggested slot method:
        // methodName(\TYPO3\CMS\Workspaces\Service\GridDataService $gridData, array $dataArray, $sortColumn, $sortDirection)
        list($this->dataArray, $this->sort, $this->sortDir) = $this->‪emitSignal(self::SIGNAL_SortDataArray_PostProcesss, $this->dataArray, $this->sort, $this->sortDir);
    }
 
    protected function ‪intSort(array $a, array $b)
    {
        if (!$this->‪isSortable($a, $b)) {
            return 0;
        }
        // First sort by using the page-path in current workspace
        $path_cmp = strcasecmp($a['path_Workspace'], $b['path_Workspace']);
        if ($path_cmp < 0) {
            return $path_cmp;
        }
        if ($path_cmp == 0) {
            if ($a[$this->sort] == $b[$this->sort]) {
                return 0;
            }
            if ($this->sortDir === 'ASC') {
                return $a[‪$this->sort] < $b[‪$this->sort] ? -1 : 1;
            }
            if ($this->sortDir === 'DESC') {
                return $a[‪$this->sort] > $b[‪$this->sort] ? -1 : 1;
            }
        } elseif ($path_cmp > 0) {
            return $path_cmp;
        }
        return 0;
    }
 
    protected function ‪stringSort($a, $b)
    {
        if (!$this->‪isSortable($a, $b)) {
            return 0;
        }
        $path_cmp = strcasecmp($a['path_Workspace'], $b['path_Workspace']);
        if ($path_cmp < 0) {
            return $path_cmp;
        }
        if ($path_cmp == 0) {
            if ($a[$this->sort] == $b[$this->sort]) {
                return 0;
            }
            if ($this->sortDir === 'ASC') {
                return strcasecmp($a[$this->sort], $b[$this->sort]);
            }
            if ($this->sortDir === 'DESC') {
                return strcasecmp($a[$this->sort], $b[$this->sort]) * -1;
            }
        } elseif ($path_cmp > 0) {
            return $path_cmp;
        }
        return 0;
    }
 
    protected function ‪isSortable(array $a, array $b)
    {
        return
            $a[‪self::GridColumn_CollectionLevel] === 0 && $b[‪self::GridColumn_CollectionLevel] === 0
            || $a[‪self::GridColumn_CollectionParent] === $b[‪self::GridColumn_CollectionParent]
        ;
    }
 
    protected function ‪isFilterTextInVisibleColumns($filterText, array $versionArray)
    {
        if (is_array(‪$GLOBALS['BE_USER']->uc['moduleData']['Workspaces'][‪$GLOBALS['BE_USER']->workspace]['columns'])) {
            $visibleColumns = ‪$GLOBALS['BE_USER']->uc['moduleData']['Workspaces'][‪$GLOBALS['BE_USER']->workspace]['columns'];
        } else {
            $visibleColumns = [
                'workspace_Formated_Tstamp' => ['hidden' => 0],
                'change' => ['hidden' => 0],
                'path_Workspace' => ['hidden' => 0],
                'path_Live' => ['hidden' => 0],
                'label_Live' => ['hidden' => 0],
                'label_Stage' => ['hidden' => 0],
                'label_Workspace' => ['hidden' => 0],
            ];
        }
        foreach ($visibleColumns as $column => $value) {
            if (isset($value['hidden']) && isset($column) && isset($versionArray[$column])) {
                if ($value['hidden'] == 0) {
                    switch ($column) {
                        case 'workspace_Tstamp':
                            if (stripos($versionArray['workspace_Formated_Tstamp'], $filterText) !== false) {
                                return true;
                            }
                            break;
                        case 'change':
                            if (stripos(strval($versionArray[$column]), str_replace('%', '', $filterText)) !== false) {
                                return true;
                            }
                            break;
                        default:
                            if (stripos(strval($versionArray[$column]), $filterText) !== false) {
                                return true;
                            }
                    }
                }
            }
        }
        return false;
    }
 
    protected function ‪workspaceState($stateId, $hiddenOnline = false, $hiddenOffline = false)
    {
        $hiddenState = null;
        if ($hiddenOnline == 0 && $hiddenOffline == 1) {
            $hiddenState = 'hidden';
        } elseif ($hiddenOnline == 1 && $hiddenOffline == 0) {
            $hiddenState = 'unhidden';
        }
        switch ($stateId) {
            case ‪VersionState::NEW_PLACEHOLDER_VERSION:
                $state = 'new';
                break;
            case ‪VersionState::DELETE_PLACEHOLDER:
                $state = 'deleted';
                break;
            case ‪VersionState::MOVE_POINTER:
                $state = 'moved';
                break;
            default:
                $state = ($hiddenState ?: 'modified');
        }
        return $state;
    }
 
    protected function ‪getTcaEnableColumnsFieldName($table, $type)
    {
        $fieldName = null;
 
        if (!empty(‪$GLOBALS['TCA'][$table]['ctrl']['enablecolumns'][$type])) {
            $fieldName = ‪$GLOBALS['TCA'][$table]['ctrl']['enablecolumns'][$type];
        }
 
        return $fieldName;
    }
 
    protected function ‪getLanguageValue($table, array $record)
    {
        $languageValue = 0;
        if (‪BackendUtility::isTableLocalizable($table)) {
            $languageField = ‪$GLOBALS['TCA'][$table]['ctrl']['languageField'];
            if (!empty($record[$languageField])) {
                $languageValue = $record[$languageField];
            }
        }
        return $languageValue;
    }
 
    protected function ‪getSystemLanguageValue($id, $pageId, $key)
    {
        $value = null;
        $systemLanguages = $this->‪getSystemLanguages((int)$pageId);
        if (!empty($systemLanguages[$id][$key])) {
            $value = $systemLanguages[$id][$key];
        }
        return $value;
    }
 
    public function ‪getSystemLanguages(int $pageId)
    {
        return GeneralUtility::makeInstance(TranslationConfigurationProvider::class)->getSystemLanguages($pageId);
    }
 
    protected function ‪getIntegrityService()
    {
        if (!isset($this->integrityService)) {
            $this->integrityService = GeneralUtility::makeInstance(IntegrityService::class);
        }
        return ‪$this->integrityService;
    }
 
    protected function ‪emitSignal($signalName, ...$arguments)
    {
        // Arguments are always ($this, [method argument], [method argument], ...)
        $signalArguments = $arguments;
        array_unshift($signalArguments, $this);
        $slotReturn = $this->‪getSignalSlotDispatcher()->‪dispatch(GridDataService::class, $signalName, $signalArguments);
        return array_slice($slotReturn, 1);
    }
 
    protected function ‪getDependencyCollectionService()
    {
        return GeneralUtility::makeInstance(Dependency\CollectionService::class);
    }
 
    protected function ‪getAdditionalColumnService()
    {
        return $this->‪getObjectManager()->‪get(AdditionalColumnService::class);
    }
 
    protected function ‪getSignalSlotDispatcher()
    {
        return $this->‪getObjectManager()->‪get(Dispatcher::class);
    }
 
    protected function ‪getObjectManager()
    {
        return GeneralUtility::makeInstance(ObjectManager::class);
    }
}