meilisearch/Classes/IndexQueue/Initializer/Page.php

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2021-04-17 00:26:33 +02:00
<?php
namespace WapplerSystems\Meilisearch\IndexQueue\Initializer;
/***************************************************************
* Copyright notice
*
* (c) 2011-2015 Ingo Renner <ingo@typo3.org>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
use WapplerSystems\Meilisearch\Domain\Index\Queue\QueueItemRepository;
use WapplerSystems\Meilisearch\Domain\Site\SiteRepository;
use WapplerSystems\Meilisearch\IndexQueue\Item;
use WapplerSystems\Meilisearch\IndexQueue\Queue;
use WapplerSystems\Meilisearch\System\Logging\SolrLogManager;
use WapplerSystems\Meilisearch\System\Records\Pages\PagesRepository;
use Doctrine\DBAL\DBALException;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Database\Connection;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Messaging\FlashMessage;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Index Queue initializer for pages which also covers resolution of mount
* pages.
*
* @author Ingo Renner <ingo@typo3.org>
*/
class Page extends AbstractInitializer
{
/**
* The type of items this initializer is handling.
* @var string
*/
protected $type = 'pages';
/**
* @var PagesRepository
*/
protected $pagesRepository;
/**
* Constructor, sets type and indexingConfigurationName to "pages".
*
* @param QueueItemRepository|null $queueItemRepository
* @param PagesRepository|null $pagesRepository
*/
public function __construct(QueueItemRepository $queueItemRepository = null, PagesRepository $pagesRepository = null)
{
parent::__construct($queueItemRepository);
$this->pagesRepository = $pagesRepository ?? GeneralUtility::makeInstance(PagesRepository::class);
}
/**
* Overrides the general setType() implementation, forcing type to "pages".
*
* @param string $type Type to initialize (ignored).
*/
public function setType($type)
{
$this->type = 'pages';
}
/**
* Initializes Index Queue page items for a site. Includes regular pages
* and mounted pages - no nested mount page structures though.
*
* @return bool TRUE if initialization was successful, FALSE on error.
*/
public function initialize()
{
$pagesInitialized = parent::initialize();
$mountPagesInitialized = $this->initializeMountPages();
return ($pagesInitialized && $mountPagesInitialized);
}
/**
* Initialize a single page that is part of a mounted tree.
*
* @param array $mountProperties Array of mount point properties mountPageSource, mountPageDestination, and mountPageOverlayed
* @param int $mountPageId The ID of the mounted page
*/
public function initializeMountedPage(array $mountProperties, $mountPageId)
{
$mountedPages = [$mountPageId];
$this->addMountedPagesToIndexQueue($mountedPages, $mountProperties);
$this->addIndexQueueItemIndexingProperties($mountProperties, $mountedPages);
}
/**
* Initializes Mount Pages to be indexed through the Index Queue. The Mount
* Pages are searched and their mounted virtual sub-trees are then resolved
* and added to the Index Queue as if they were actually present below the
* Mount Page.
*
* @return bool TRUE if initialization of the Mount Pages was successful, FALSE otherwise
*/
protected function initializeMountPages()
{
$mountPagesInitialized = false;
$mountPages = $this->pagesRepository->findAllMountPagesByWhereClause($this->buildPagesClause() . $this->buildTcaWhereClause() . ' AND doktype = 7 AND no_search = 0');
if (empty($mountPages)) {
$mountPagesInitialized = true;
return $mountPagesInitialized;
}
$databaseConnection = $this->queueItemRepository->getConnectionForAllInTransactionInvolvedTables(
'tx_meilisearch_indexqueue_item',
'tx_meilisearch_indexqueue_indexing_property'
);
foreach ($mountPages as $mountPage) {
if (!$this->validateMountPage($mountPage)) {
continue;
}
$mountedPages = $this->resolveMountPageTree($mountPage);
// handling mount_pid_ol behavior
if ($mountPage['mountPageOverlayed']) {
// the page shows the mounted page's content
$mountedPages[] = $mountPage['mountPageSource'];
} else {
// Add page like a regular page, as only the sub tree is
// mounted. The page itself has its own content.
$indexQueue = GeneralUtility::makeInstance(Queue::class);
$indexQueue->updateItem($this->type, $mountPage['uid']);
}
// This can happen when the mount point does not show the content of the
// mounted page and the mounted page does not have any subpages.
if (empty($mountedPages)) {
continue;
}
$databaseConnection->beginTransaction();
try {
$this->addMountedPagesToIndexQueue($mountedPages, $mountPage);
$this->addIndexQueueItemIndexingProperties($mountPage, $mountedPages);
$databaseConnection->commit();
$mountPagesInitialized = true;
} catch (\Exception $e) {
$databaseConnection->rollBack();
$this->logger->log(
SolrLogManager::ERROR,
'Index Queue initialization failed for mount pages',
[
$e->__toString()
]
);
break;
}
}
return $mountPagesInitialized;
}
/**
* Checks whether a Mount Page is properly configured.
*
* @param array $mountPage A mount page
* @return bool TRUE if the Mount Page is OK, FALSE otherwise
*/
protected function validateMountPage(array $mountPage)
{
$isValidMountPage = true;
if (empty($mountPage['mountPageSource'])) {
$isValidMountPage = false;
$flashMessage = GeneralUtility::makeInstance(
FlashMessage::class,
'Property "Mounted page" must not be empty. Invalid Mount Page configuration for page ID ' . $mountPage['uid'] . '.',
'Failed to initialize Mount Page tree. ',
FlashMessage::ERROR
);
// @extensionScannerIgnoreLine
$this->flashMessageQueue->addMessage($flashMessage);
}
if (!$this->mountedPageExists($mountPage['mountPageSource'])) {
$isValidMountPage = false;
$flashMessage = GeneralUtility::makeInstance(
FlashMessage::class,
'The mounted page must be accessible in the frontend. '
. 'Invalid Mount Page configuration for page ID '
. $mountPage['uid'] . ', the mounted page with ID '
. $mountPage['mountPageSource']
. ' is not accessible in the frontend.',
'Failed to initialize Mount Page tree. ',
FlashMessage::ERROR
);
// @extensionScannerIgnoreLine
$this->flashMessageQueue->addMessage($flashMessage);
}
return $isValidMountPage;
}
/**
* Checks whether the mounted page (mount page source) exists. That is,
* whether it accessible in the frontend. So the record must exist
* (deleted = 0) and must not be hidden (hidden = 0).
*
* @param int $mountedPageId Mounted page ID
* @return bool TRUE if the page is accessible in the frontend, FALSE otherwise.
*/
protected function mountedPageExists($mountedPageId)
{
$mountedPageExists = false;
$mountedPage = BackendUtility::getRecord('pages', $mountedPageId, 'uid', ' AND hidden = 0');
if (!empty($mountedPage)) {
$mountedPageExists = true;
}
return $mountedPageExists;
}
/**
* Adds the virtual / mounted pages to the Index Queue as if they would
* belong to the same site where they are mounted.
*
* @param array $mountedPages An array of mounted page IDs
* @param array $mountProperties Array with mount point properties (mountPageSource, mountPageDestination, mountPageOverlayed)
*/
protected function addMountedPagesToIndexQueue(array $mountedPages, array $mountProperties)
{
$mountPointIdentifier = $this->getMountPointIdentifier($mountProperties);
$mountPointPageIsWithExistingQueueEntry = $this->queueItemRepository->findPageIdsOfExistingMountPagesByMountIdentifier($mountPointIdentifier);
$mountedPagesThatNeedToBeAdded = array_diff($mountedPages, $mountPointPageIsWithExistingQueueEntry);
if (count($mountedPagesThatNeedToBeAdded) === 0) {
//nothing to do
return;
}
/* @var Connection $connection */
$connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('tx_meilisearch_indexqueue_item');
$mountIdentifier = $this->getMountPointIdentifier($mountProperties);
$initializationQuery = 'INSERT INTO tx_meilisearch_indexqueue_item (root, item_type, item_uid, indexing_configuration, indexing_priority, changed, has_indexing_properties, pages_mountidentifier, errors) '
. $this->buildSelectStatement() . ', 1, ' . $connection->quote($mountIdentifier, \PDO::PARAM_STR) . ',""'
. 'FROM pages '
. 'WHERE '
. 'uid IN(' . implode(',', $mountedPagesThatNeedToBeAdded) . ') '
. $this->buildTcaWhereClause()
. $this->buildUserWhereClause();
$logData = ['query' => $initializationQuery];
try {
$logData['rows'] = $this->queueItemRepository->initializeByNativeSQLStatement($initializationQuery);
} catch (DBALException $DBALException) {
$logData['error'] = $DBALException->getCode() . ': ' . $DBALException->getMessage();
}
$this->logInitialization($logData);
}
/**
* Adds Index Queue item indexing properties for mounted pages. The page
* indexer later needs to know that he's dealing with a mounted page, the
* indexing properties will let make it possible for the indexer to
* distinguish the mounted pages.
*
* @param array $mountPage An array with information about the root/destination Mount Page
* @param array $mountedPages An array of mounted page IDs
*/
protected function addIndexQueueItemIndexingProperties(array $mountPage, array $mountedPages)
{
$mountIdentifier = $this->getMountPointIdentifier($mountPage);
$mountPageItems = $this->queueItemRepository->findAllIndexQueueItemsByRootPidAndMountIdentifierAndMountedPids($this->site->getRootPageId(), $mountIdentifier, $mountedPages);
foreach ($mountPageItems as $mountPageItemRecord) {
/* @var Item $mountPageItem */
$mountPageItem = GeneralUtility::makeInstance(Item::class, /** @scrutinizer ignore-type */ $mountPageItemRecord);
$mountPageItem->setIndexingProperty('mountPageSource', $mountPage['mountPageSource']);
$mountPageItem->setIndexingProperty('mountPageDestination', $mountPage['mountPageDestination']);
$mountPageItem->setIndexingProperty('isMountedPage', '1');
$mountPageItem->storeIndexingProperties();
}
}
/**
* Builds an identifier of the given mount point properties.
*
* @param array $mountProperties Array with mount point properties (mountPageSource, mountPageDestination, mountPageOverlayed)
* @return string String consisting of mountPageSource-mountPageDestination-mountPageOverlayed
*/
protected function getMountPointIdentifier(array $mountProperties)
{
return $mountProperties['mountPageSource']
. '-' . $mountProperties['mountPageDestination']
. '-' . $mountProperties['mountPageOverlayed'];
}
// Mount Page resolution
/**
* Gets all the pages from a mounted page tree.
*
* @param array $mountPage
* @return array An array of page IDs in the mounted page tree
*/
protected function resolveMountPageTree($mountPage)
{
$mountPageSourceId = $mountPage['mountPageSource'];
$mountPageIdentifier = $this->getMountPointIdentifier($mountPage);
$siteRepository = GeneralUtility::makeInstance(SiteRepository::class);
/* @var $siteRepository SiteRepository */
$mountedSite = $siteRepository->getSiteByPageId($mountPageSourceId, $mountPageIdentifier);
return $mountedSite ? $mountedSite->getPages($mountPageSourceId) : [];
}
}