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<?php |
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/** |
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* This file is part of the eZ Publish Kernel package. |
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* |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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namespace eZ\Publish\Core\Search\Common; |
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use eZ\Publish\Core\Persistence\Database\DatabaseHandler; |
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use eZ\Publish\SPI\Persistence\Content\ContentInfo; |
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use eZ\Publish\SPI\Persistence\Handler as PersistenceHandler; |
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use eZ\Publish\SPI\Search\Handler as SearchHandler; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Console\Helper\ProgressBar; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use PDO; |
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/** |
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* Base class for the Search Engine Indexer Service aimed to recreate Search Engine Index. |
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* Each Search Engine has to extend it on its own. |
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*/ |
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abstract class Indexer |
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{ |
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const CONTENTOBJECT_TABLE = 'ezcontentobject'; |
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const CONTENTOBJECT_TREE_TABLE = 'ezcontentobject_tree'; |
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/** |
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* @var \Psr\Log\LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var \eZ\Publish\SPI\Persistence\Handler |
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*/ |
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protected $persistenceHandler; |
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/** |
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* @var \eZ\Publish\Core\Persistence\Database\DatabaseHandler |
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*/ |
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protected $databaseHandler; |
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/** |
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* @var \eZ\Publish\SPI\Search\Handler |
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*/ |
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protected $searchHandler; |
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public function __construct( |
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LoggerInterface $logger, |
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PersistenceHandler $persistenceHandler, |
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DatabaseHandler $databaseHandler, |
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SearchHandler $searchHandler |
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) { |
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$this->logger = $logger; |
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$this->persistenceHandler = $persistenceHandler; |
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$this->databaseHandler = $databaseHandler; |
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$this->searchHandler = $searchHandler; |
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} |
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/** |
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* Create search engine index. |
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* |
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* @param \Symfony\Component\Console\Output\OutputInterface $output |
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* @param int $iterationCount |
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* @param bool $commit commit changes after each iteration |
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*/ |
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abstract public function createSearchIndex(OutputInterface $output, $iterationCount, $commit); |
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/** |
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* Get PDOStatement to fetch metadata about content objects to be indexed. |
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* |
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* @param array $fields Select fields |
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* @return \PDOStatement |
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*/ |
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protected function getContentDbFieldsStmt(array $fields) |
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{ |
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$query = $this->databaseHandler->createSelectQuery(); |
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$query->select($fields) |
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->from($this->databaseHandler->quoteTable(self::CONTENTOBJECT_TABLE)) |
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->where($query->expr->eq('status', ContentInfo::STATUS_PUBLISHED)); |
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$stmt = $query->prepare(); |
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$stmt->execute(); |
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return $stmt; |
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} |
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/** |
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* Fetch location Ids for the given content object. |
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* |
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* @param int $contentObjectId |
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* @return array Location nodes Ids |
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*/ |
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protected function getContentLocationIds($contentObjectId) |
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{ |
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$query = $this->databaseHandler->createSelectQuery(); |
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$query->select('node_id') |
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->from($this->databaseHandler->quoteTable(self::CONTENTOBJECT_TREE_TABLE)) |
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->where($query->expr->eq('contentobject_id', $contentObjectId)); |
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$stmt = $query->prepare(); |
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$stmt->execute(); |
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$nodeIds = $stmt->fetchAll(PDO::FETCH_COLUMN); |
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return is_array($nodeIds) ? array_map('intval', $nodeIds) : []; |
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} |
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/** |
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* Log warning while progress bar is shown. |
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* |
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* @param \Symfony\Component\Console\Helper\ProgressBar $progress |
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* @param $message |
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*/ |
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protected function logWarning(ProgressBar $progress, $message) |
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{ |
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$progress->clear(); |
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$this->logger->warning($message); |
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$progress->display(); |
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} |
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} |
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ezsystems /
ezpublish-kernel
