mirror of
https://github.com/alchemy-fr/Phraseanet.git
synced 2025-10-12 20:43:25 +00:00
706 lines
20 KiB
PHP
706 lines
20 KiB
PHP
<?php
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/**
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* This file is part of Phraseanet
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*
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* (c) 2005-2016 Alchemy
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Alchemy\Phrasea\SearchEngine\Elastic;
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use Alchemy\Phrasea\Exception\LogicException;
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use Alchemy\Phrasea\SearchEngine\Elastic\Indexer\RecordIndexer;
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use Alchemy\Phrasea\SearchEngine\Elastic\Indexer\TermIndexer;
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use Alchemy\Phrasea\SearchEngine\Elastic\RecordHelper;
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use Alchemy\Phrasea\SearchEngine\Elastic\Search\AggregationHelper;
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use Alchemy\Phrasea\SearchEngine\Elastic\Search\FacetsResponse;
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use Alchemy\Phrasea\SearchEngine\Elastic\Search\QueryCompiler;
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use Alchemy\Phrasea\SearchEngine\Elastic\Search\QueryContext;
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use Alchemy\Phrasea\SearchEngine\Elastic\Search\QueryContextFactory;
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use Alchemy\Phrasea\SearchEngine\Elastic\Structure\Flag;
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use Alchemy\Phrasea\SearchEngine\Elastic\Structure\Structure;
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use Alchemy\Phrasea\SearchEngine\SearchEngineInterface;
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use Alchemy\Phrasea\SearchEngine\SearchEngineOptions;
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use Alchemy\Phrasea\SearchEngine\SearchEngineResult;
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use Alchemy\Phrasea\Exception\RuntimeException;
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use Closure;
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use Doctrine\Common\Collections\ArrayCollection;
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use Alchemy\Phrasea\Model\Entities\FeedEntry;
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use Alchemy\Phrasea\Application;
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use Elasticsearch\Client;
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class ElasticSearchEngine implements SearchEngineInterface
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{
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const FLAG_ALLOW_BOTH = 'allow_both';
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const FLAG_SET_ONLY = 'set_only';
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const FLAG_UNSET_ONLY = 'unset_only';
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private $app;
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private $structure;
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/** @var Client */
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private $client;
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private $indexName;
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/** @var ElasticsearchOptions */
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private $options;
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/**
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* @var Closure
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*/
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private $facetsResponseFactory;
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/**
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* @var QueryContextFactory
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*/
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private $context_factory;
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public function __construct(Application $app, Structure $structure, Client $client, $indexName, QueryContextFactory $context_factory, Closure $facetsResponseFactory, ElasticsearchOptions $options)
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{
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$this->app = $app;
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$this->structure = $structure;
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$this->client = $client;
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$this->context_factory = $context_factory;
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$this->facetsResponseFactory = $facetsResponseFactory;
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$this->options = $options;
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if ('' === trim($indexName)) {
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throw new \InvalidArgumentException('The provided index name is invalid.');
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}
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$this->indexName = $indexName;
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}
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public function getIndexName()
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{
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return $this->indexName;
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}
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/**
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* @return Client
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*/
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public function getClient()
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{
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return $this->client;
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'ElasticSearch';
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}
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/**
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* {@inheritdoc}
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*/
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public function getStatus()
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{
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$data = $this->client->info();
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$version = $data['version'];
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unset($data['version']);
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foreach ($version as $prop => $value) {
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$data['version:'.$prop] = $value;
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}
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$ret = [];
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foreach ($data as $key => $value) {
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$ret[] = [$key, $value];
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}
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return $ret;
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}
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/**
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* {@inheritdoc}
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*/
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public function getAvailableDateFields()
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{
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// TODO Use limited structure
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return array_keys($this->structure->getDateFields());
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}
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/**
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* {@inheritdoc}
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*/
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public function getAvailableSort()
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{
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return [
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SearchEngineOptions::SORT_RELEVANCE => $this->app->trans('pertinence'),
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SearchEngineOptions::SORT_CREATED_ON => $this->app->trans('date dajout'),
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function getDefaultSort()
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{
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return SearchEngineOptions::SORT_CREATED_ON;
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}
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/**
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* {@inheritdoc}
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*/
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public function getDefaultSortDirection()
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{
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return SearchEngineOptions::SORT_MODE_DESC;
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}
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/**
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* {@inheritdoc}
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*/
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public function isStemmingEnabled()
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{
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return false;
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}
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/**
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* {@inheritdoc}
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*/
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public function getAvailableOrder()
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{
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return [
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SearchEngineOptions::SORT_MODE_DESC => $this->app->trans('descendant'),
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SearchEngineOptions::SORT_MODE_ASC => $this->app->trans('ascendant'),
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function hasStemming()
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{
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return false;
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}
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/**
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* {@inheritdoc}
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*/
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public function getAvailableTypes()
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{
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return [self::GEM_TYPE_RECORD, self::GEM_TYPE_STORY];
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}
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/**
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* {@inheritdoc}
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*/
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public function addRecord(\record_adapter $record)
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{
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$this->notImplemented();
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}
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/**
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* {@inheritdoc}
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*/
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public function removeRecord(\record_adapter $record)
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{
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$this->notImplemented();
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}
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/**
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* {@inheritdoc}
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*/
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public function updateRecord(\record_adapter $record)
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{
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$this->notImplemented();
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}
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/**
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* {@inheritdoc}
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*/
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public function addStory(\record_adapter $story)
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{
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$this->notImplemented();
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}
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/**
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* {@inheritdoc}
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*/
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public function removeStory(\record_adapter $story)
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{
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$this->notImplemented();
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}
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/**
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* {@inheritdoc}
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*/
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public function updateStory(\record_adapter $story)
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{
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$this->notImplemented();
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}
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private function notImplemented()
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{
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throw new LogicException('Not implemented');
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}
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/**
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* {@inheritdoc}
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*/
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public function addFeedEntry(FeedEntry $entry)
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{
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throw new RuntimeException('ElasticSearch engine does not support feed entry indexing.');
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}
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/**
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* {@inheritdoc}
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*/
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public function removeFeedEntry(FeedEntry $entry)
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{
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throw new RuntimeException('ElasticSearch engine does not support feed entry indexing.');
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}
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/**
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* {@inheritdoc}
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*/
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public function updateFeedEntry(FeedEntry $entry)
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{
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throw new RuntimeException('ElasticSearch engine does not support feed entry indexing.');
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}
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/**
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* {@inheritdoc}
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*/
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public function query($string, $offset, $perPage, SearchEngineOptions $options = null)
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{
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$options = $options ?: new SearchEngineOptions();
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$context = $this->context_factory->createContext($options);
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/** @var QueryCompiler $query_compiler */
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$query_compiler = $this->app['query_compiler'];
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$recordQuery = $query_compiler->compile($string, $context);
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$params = $this->createRecordQueryParams($recordQuery, $options, null);
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// ask ES to return field _version (incremental version number of document)
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$params['body']['version'] = true;
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$params['body']['from'] = $offset;
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$params['body']['size'] = $perPage;
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if($this->options->getHighlight()) {
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$params['body']['highlight'] = $this->buildHighlightRules($context);
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}
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if ($aggs = $this->getAggregationQueryParams($options)) {
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$params['body']['aggs'] = $aggs;
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}
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$res = $this->client->search($params);
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$results = new ArrayCollection();
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$n = 0;
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foreach ($res['hits']['hits'] as $hit) {
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$results[] = ElasticsearchRecordHydrator::hydrate($hit, $n++);
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}
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/** @var FacetsResponse $facets */
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$facets = $this->facetsResponseFactory->__invoke($res);
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$query['ast'] = $query_compiler->parse($string)->dump();
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$query['query_main'] = $recordQuery;
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$query['query'] = $params['body'];
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$query['query_string'] = json_encode($params['body']);
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return new SearchEngineResult(
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$options,
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$results, // ArrayCollection of results
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json_encode($query),
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$res['took'], // duration
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$offset, // offset start
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$res['hits']['total'], // available
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$res['hits']['total'], // total
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null, // error
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null, // warning
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$facets->getAsSuggestions(), // ArrayCollection of suggestions
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[], // propositions
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$this->indexName,
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$facets
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);
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}
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private function buildHighlightRules(QueryContext $context)
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{
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$highlighted_fields = [];
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foreach ($context->getHighlightedFields() as $field) {
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switch ($field->getType()) {
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case Mapping::TYPE_STRING:
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$index_field = $field->getIndexField();
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$raw_index_field = $field->getIndexField(true);
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$highlighted_fields[$index_field] = [
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// Requires calling Mapping::enableTermVectors() on this field mapping
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'matched_fields' => [$index_field, $raw_index_field],
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'type' => 'fvh'
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];
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break;
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case Mapping::TYPE_FLOAT:
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case Mapping::TYPE_DOUBLE:
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case Mapping::TYPE_INTEGER:
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case Mapping::TYPE_LONG:
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case Mapping::TYPE_SHORT:
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case Mapping::TYPE_BYTE:
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continue;
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case Mapping::TYPE_DATE:
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default:
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continue;
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}
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}
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return [
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'pre_tags' => ['[[em]]'],
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'post_tags' => ['[[/em]]'],
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'order' => 'score',
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'fields' => $highlighted_fields
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function autocomplete($query, SearchEngineOptions $options)
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{
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throw new RuntimeException('Elasticsearch engine currently does not support auto-complete.');
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}
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/**
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* {@inheritdoc}
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*/
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public function excerpt($query, $fields, \record_adapter $record, SearchEngineOptions $options = null)
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{
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//@todo implements
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return array();
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}
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/**
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* {@inheritdoc}
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*/
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public function resetCache()
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{
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}
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/**
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* {@inheritdoc}
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*/
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public function clearCache()
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{
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}
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/**
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* {@inheritdoc}
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*/
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public function clearAllCache(\DateTime $date = null)
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{
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}
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private function createRecordQueryParams($ESQuery, SearchEngineOptions $options, \record_adapter $record = null)
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{
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$params = [
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'index' => $this->indexName,
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'type' => RecordIndexer::TYPE_NAME,
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'body' => [
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'sort' => $this->createSortQueryParams($options),
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]
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];
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$query_filters = $this->createQueryFilters($options);
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$acl_filters = $this->createACLFilters($options);
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$ESQuery = ['filtered' => ['query' => $ESQuery]];
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if (count($query_filters) > 0) {
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$ESQuery['filtered']['filter']['bool']['must'][] = $query_filters;
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}
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if (count($acl_filters) > 0) {
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$ESQuery['filtered']['filter']['bool']['must'][] = $acl_filters;
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}
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$params['body']['query'] = $ESQuery;
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return $params;
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}
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private function getAggregationQueryParams(SearchEngineOptions $options)
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{
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$aggs = [];
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// We always want a collection facet right now
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$collection_facet_agg = array();
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$collection_facet_agg['terms']['field'] = 'collection_name';
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$aggs['Collection_Name'] = $collection_facet_agg;
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// We always want a base facet right now
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$base_facet_agg = array();
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$base_facet_agg['terms']['field'] = 'databox_name';
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$aggs['Base_Name'] = $base_facet_agg;
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// We always want a type facet right now
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$base_facet_agg = array();
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$base_facet_agg['terms']['field'] = 'type';
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$aggs['Type_Name'] = $base_facet_agg;
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$structure = $this->context_factory->getLimitedStructure($options);
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foreach ($structure->getFacetFields() as $name => $field) {
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// 2015-05-26 (mdarse) Removed databox filtering.
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// It was already done by the ACL filter in the query scope, so no
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// document that shouldn't be displayed can go this far.
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$agg = [];
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$agg['terms']['field'] = $field->getIndexField(true);
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$agg['terms']['size'] = $field->getFacetValuesLimit();
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$aggs[$name] = AggregationHelper::wrapPrivateFieldAggregation($field, $agg);
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}
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return $aggs;
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}
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private function createACLFilters(SearchEngineOptions $options)
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{
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// No ACLs if no user
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if (false === $this->app->getAuthenticator()->isAuthenticated()) {
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return [];
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}
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$acl = $this->app->getAclForUser($this->app->getAuthenticatedUser());
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$grantedCollections = array_keys($acl->get_granted_base(['actif']));
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if (count($grantedCollections) === 0) {
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return ['bool' => ['must_not' => ['match_all' => new \stdClass()]]];
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}
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$appbox = $this->app['phraseanet.appbox'];
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$flagNamesMap = $this->getFlagsKey($appbox);
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// Get flags rules
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$flagRules = $this->getFlagsRules($appbox, $acl, $grantedCollections);
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// Get intersection between collection ACLs and collection chosen by end user
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$aclRules = $this->getACLsByCollection($flagRules, $flagNamesMap);
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return $this->buildACLsFilters($aclRules, $options);
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}
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private function createQueryFilters(SearchEngineOptions $options)
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{
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$filters = [];
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$filters[]['term']['record_type'] = $options->getSearchType() === SearchEngineOptions::RECORD_RECORD ?
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SearchEngineInterface::GEM_TYPE_RECORD : SearchEngineInterface::GEM_TYPE_STORY;
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if ($options->getDateFields() && ($options->getMaxDate() || $options->getMinDate())) {
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$range = [];
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if ($options->getMaxDate()) {
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$range['lte'] = $options->getMaxDate()->format(Mapping::DATE_FORMAT_CAPTION_PHP);
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}
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if ($options->getMinDate()) {
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$range['gte'] = $options->getMinDate()->format(Mapping::DATE_FORMAT_CAPTION_PHP);
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}
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foreach ($options->getDateFields() as $dateField) {
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$filters[]['range']['caption.'.$dateField->get_name()] = $range;
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}
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}
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if ($type = $options->getRecordType()) {
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$filters[]['term']['type'] = $type;
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}
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$collections = $options->getCollections();
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if (count($collections) > 0) {
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$filters[]['terms']['base_id'] = array_keys($collections);
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}
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if (count($options->getStatus()) > 0) {
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$status_filters = [];
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$flagNamesMap = $this->getFlagsKey($this->app['phraseanet.appbox']);
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foreach ($options->getStatus() as $databoxId => $status) {
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$status_filter = $databox_status =[];
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$status_filter[] = ['term' => ['databox_id' => $databoxId]];
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foreach ($status as $n => $v) {
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if (!isset($flagNamesMap[$databoxId][$n])) {
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continue;
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}
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$label = $flagNamesMap[$databoxId][$n];
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$databox_status[] = ['term' => [sprintf('flags.%s', $label) => (bool) $v]];
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};
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$status_filter[] = $databox_status;
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$status_filters[] = ['bool' => ['must' => $status_filter]];
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}
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$filters[]['bool']['should'] = $status_filters;
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}
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return $filters;
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}
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private function createSortQueryParams(SearchEngineOptions $options)
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{
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$sort = [];
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if ($options->getSortBy() === null || $options->getSortBy() === SearchEngineOptions::SORT_RELEVANCE) {
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$sort['_score'] = $options->getSortOrder();
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} elseif ($options->getSortBy() === SearchEngineOptions::SORT_CREATED_ON) {
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$sort['created_on'] = $options->getSortOrder();
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} else {
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$sort[sprintf('caption.%s', $options->getSortBy())] = $options->getSortOrder();
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}
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return $sort;
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}
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private function getFlagsKey(\appbox $appbox)
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{
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$flags = [];
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foreach ($appbox->get_databoxes() as $databox) {
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$databoxId = $databox->get_sbas_id();
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$statusStructure = $databox->getStatusStructure();
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foreach($statusStructure as $bit => $status) {
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$flags[$databoxId][$bit] = Flag::normalizeName($status['labelon']);
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}
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}
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return $flags;
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}
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private function getFlagsRules(\appbox $appbox, \ACL $acl, array $collections)
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{
|
|
$rules = [];
|
|
foreach ($collections as $collectionId) {
|
|
$databoxId = \phrasea::sbasFromBas($this->app, $collectionId);
|
|
$databox = $appbox->get_databox($databoxId);
|
|
|
|
$mask_xor = $acl->get_mask_xor($collectionId);
|
|
$mask_and = $acl->get_mask_and($collectionId);
|
|
foreach ($databox->getStatusStructure()->getBits() as $bit) {
|
|
$rules[$databoxId][$collectionId][$bit] = $this->computeAccess(
|
|
$mask_xor,
|
|
$mask_and,
|
|
$bit
|
|
);
|
|
}
|
|
}
|
|
|
|
return $rules;
|
|
}
|
|
|
|
/**
|
|
* Truth table for status rights
|
|
*
|
|
* +-----------+
|
|
* | and | xor |
|
|
* +-----------+
|
|
* | 0 | 0 | -> BOTH STATES ARE CHECKED
|
|
* +-----------+
|
|
* | 1 | 0 | -> UNSET STATE IS CHECKED
|
|
* +-----------+
|
|
* | 0 | 1 | -> UNSET STATE IS CHECKED (not possible)
|
|
* +-----------+
|
|
* | 1 | 1 | -> SET STATE IS CHECKED
|
|
* +-----------+
|
|
*
|
|
*/
|
|
private function computeAccess($and, $xor, $bit)
|
|
{
|
|
$xorBit = \databox_status::bitIsSet($xor, $bit);
|
|
$andBit = \databox_status::bitIsSet($and, $bit);
|
|
|
|
if (!$xorBit && !$andBit) {
|
|
return self::FLAG_ALLOW_BOTH;
|
|
}
|
|
|
|
if ($xorBit && $andBit) {
|
|
return self::FLAG_SET_ONLY;
|
|
}
|
|
|
|
return self::FLAG_UNSET_ONLY;
|
|
}
|
|
|
|
private function getACLsByCollection(array $flagACLs, array $flagNamesMap)
|
|
{
|
|
$rules = [];
|
|
|
|
foreach ($flagACLs as $databoxId => $bases) {
|
|
foreach ($bases as $baseId => $bit) {
|
|
$rules[$baseId] = [];
|
|
foreach ($bit as $n => $rule) {
|
|
if (!isset($flagNamesMap[$databoxId][$n])) {
|
|
continue;
|
|
}
|
|
|
|
$label = $flagNamesMap[$databoxId][$n];
|
|
$rules[$baseId][$label] = $rule;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $rules;
|
|
}
|
|
|
|
private function buildACLsFilters(array $aclRules, SearchEngineOptions $options)
|
|
{
|
|
$filters = [];
|
|
|
|
$collections = $options->getCollections();
|
|
|
|
$collectionsWoRules = [];
|
|
$collectionsWoRules['terms']['base_id'] = [];
|
|
foreach ($aclRules as $baseId => $flagsRules) {
|
|
if(!array_key_exists($baseId, $collections)) {
|
|
// no need to add a filter if the collection is not searched
|
|
continue;
|
|
}
|
|
|
|
$ruleFilter = $baseFilter = [];
|
|
|
|
// filter on base
|
|
$baseFilter['term']['base_id'] = $baseId;
|
|
$ruleFilter['bool']['must'][] = $baseFilter;
|
|
|
|
// filter by flags
|
|
foreach ($flagsRules as $flagName => $flagRule) {
|
|
// only add filter if one of the status state is not allowed / allowed
|
|
if ($flagRule === self::FLAG_ALLOW_BOTH) {
|
|
continue;
|
|
}
|
|
$flagFilter = [];
|
|
|
|
$flagField = sprintf('flags.%s', $flagName);
|
|
$flagFilter['term'][$flagField] = $flagRule === self::FLAG_SET_ONLY ? true : false;
|
|
|
|
$ruleFilter['bool']['must'][] = $flagFilter;
|
|
}
|
|
|
|
if(count($ruleFilter['bool']['must']) > 1) {
|
|
// some rules found, add the filter
|
|
$filters[] = $ruleFilter;
|
|
}
|
|
else {
|
|
// no rules for this collection, add it to the 'simple' list
|
|
$collectionsWoRules['terms']['base_id'][] = $baseId;
|
|
}
|
|
}
|
|
if (count($collectionsWoRules['terms']['base_id']) > 0) {
|
|
// collections w/o rules : add a simple list ?
|
|
if(count($filters) > 0) { // no need to add a big 'should' filter only on collections
|
|
$filters[] = $collectionsWoRules;
|
|
}
|
|
}
|
|
|
|
if(count($filters) > 0) {
|
|
return ['bool' => ['should' => $filters]];
|
|
}
|
|
else {
|
|
return [];
|
|
}
|
|
}
|
|
}
|