DocumentRepository::fetchMetadataFromSolr() - Code Metrics - Inspection of "Merge pull request #754 from albig/replace-listvie..." - kitodo/kitodo-presentation - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — dev-extbase-fluid ( a41a98...0262b3 )

by Alexander
created 2022-02-14 17:59 UTC
DocumentRepository::fetchMetadataFromSolr() B

↳ Parent: DocumentRepository
Complexity

Conditions	8
Paths	6
Size

Total Lines	38
Code Lines	20
Duplication

Lines	0
Ratio	0 %
Importance

Changes	3
Bugs	0	Features	0
Metric	Value
cc	8
eloc	20
c	3
b	0
f	0
nc	6
nop	2
dl	0
loc	38
rs	8.4444
<?php

/**
 * (c) Kitodo. Key to digital objects e.V. <[email protected]>
 *
 * This file is part of the Kitodo and TYPO3 projects.
 *
 * @license GNU General Public License version 3 or later.
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

namespace Kitodo\Dlf\Domain\Repository;

use Kitodo\Dlf\Common\Doc;
use Kitodo\Dlf\Common\Helper;
use Kitodo\Dlf\Common\Indexer;
use Kitodo\Dlf\Common\Solr;
use Kitodo\Dlf\Domain\Model\Document;
use Kitodo\Dlf\Common\SolrSearchResult\ResultDocument;
use TYPO3\CMS\Core\Cache\CacheManager;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Connection;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\MathUtility;
use TYPO3\CMS\Extbase\Persistence\QueryInterface;

class DocumentRepository extends \TYPO3\CMS\Extbase\Persistence\Repository
{
    /**
     * The controller settings passed to the repository for some special actions.
     *
     * @var array
     * @access protected
     */
    protected $settings;

    /**
     * Find one document by given parameters
     *
     * GET parameters may be:
     *
     * - 'id': the uid of the document
     * - 'location': the URL of the location of the XML file
     * - 'recordId': the record_id of the document
     *
     * @param array $parameters
     *
     * @return \Kitodo\Dlf\Domain\Model\Document|null
     */
    public function findOneByParameters($parameters)
    {
        $doc = null;
        $document = null;

        if (isset($parameters['id']) && MathUtility::canBeInterpretedAsInteger($parameters['id'])) {

            $document = $this->findOneByIdAndSettings($parameters['id']);

        } else if (isset($parameters['recordId'])) {

            $document = $this->findOneByRecordId($parameters['recordId']);
            $document = $this->findOneByRecordId($parameters['recordId']);

        } else if (isset($parameters['location']) && GeneralUtility::isValidUrl($parameters['location'])) {

            $doc = Doc::getInstance($parameters['location'], [], true);

            if ($doc->recordId) {
                $document = $this->findOneByRecordId($doc->recordId);
            }

            if ($document === null) {
                // create new (dummy) Document object
                $document = GeneralUtility::makeInstance(Document::class);
                $document->setLocation($parameters['location']);
            }

        }

        if ($document !== null && $doc === null) {
            $doc = Doc::getInstance($document->getLocation(), [], true);
            $doc = Doc::getInstance($document->/** @scrutinizer ignore-call */ getLocation(), [], true);
        }

        if ($doc !== null) {
            $document->setDoc($doc);
                       setDoc($doc);
        }

        return $document;


    }


    public function findByUidAndPartOf($uid, $partOf)
    {
        $query = $this->createQuery();

        $query->matching($query->equals('uid', $uid));
        $query->matching($query->equals('partof', $partOf));

        return $query->execute();
    }

    /**
     * Find the oldest document
     *
     * @return \Kitodo\Dlf\Domain\Model\Document|null
     */
    public function findOldestDocument()
    {
        $query = $this->createQuery();

        $query->setOrderings(['tstamp' => QueryInterface::ORDER_ASCENDING]);
        $query->setLimit(1);

        return $query->execute()->getFirst();
    }

    /**
     * @param int $partOf
     * @param string $structure
     * @return array|\TYPO3\CMS\Extbase\Persistence\QueryResultInterface
     */
    public function getChildrenOfYearAnchor($partOf, $structure)
    {
        $query = $this->createQuery();

        $query->matching($query->equals('structure', Helper::getUidFromIndexName($structure, 'tx_dlf_structures')));
        $query->matching($query->equals('partof', $partOf));

        $query->setOrderings([
            'mets_orderlabel' => \TYPO3\CMS\Extbase\Persistence\QueryInterface::ORDER_ASCENDING
        ]);

        return $query->execute();
    }

    /**
     * Finds all documents for the given settings
     *
     * @param int $uid
     * @param array $settings
     *
     * @return \Kitodo\Dlf\Domain\Model\Document|null
     */
    public function findOneByIdAndSettings($uid, $settings = [])
    public function findOneByIdAndSettings($uid, /** @scrutinizer ignore-unused */ $settings = [])
    {
        $settings = ['documentSets' => $uid];

        return $this->findDocumentsBySettings($settings)->getFirst();
    }

    /**
     * Finds all documents for the given settings
     *
     * @param array $settings
     *
     * @return array|\TYPO3\CMS\Extbase\Persistence\QueryResultInterface
     */
    public function findDocumentsBySettings($settings = [])
    {
        $query = $this->createQuery();

        $constraints = [];

        if ($settings['documentSets']) {
            $constraints[] = $query->in('uid', GeneralUtility::intExplode(',', $settings['documentSets']));
        }

        if (isset($settings['excludeOther']) && (int) $settings['excludeOther'] === 0) {
            $query->getQuerySettings()->setRespectStoragePage(false);
        }

        if (count($constraints)) {
            $query->matching(
                $query->logicalAnd($constraints)
            );
        }

        return $query->execute();
    }

    /**
     * Finds all documents for the given collections
     *
     * @param array $collections
     * @param int $limit
     *
     * @return array|\TYPO3\CMS\Extbase\Persistence\QueryResultInterface
     */
    public function findAllByCollectionsLimited($collections, $limit = 50)
    {
        $query = $this->createQuery();

        // order by start_date -> start_time...
        $query->setOrderings(
            ['tstamp' => QueryInterface::ORDER_DESCENDING]
        );

        $constraints = [];
        if ($collections) {

            $constraints[] = $query->in('collections.uid', $collections);
        }

        if (count($constraints)) {
            $query->matching(
                $query->logicalAnd($constraints)
            );
        }

        if ($limit > 0) {
            $query->setLimit((int) $limit);
        }

        return $query->execute();
    }

    /**
     * Find all the titles
     *
     * documents with partof == 0
     *
     * @param array $settings
     *
     * @return array|\TYPO3\CMS\Extbase\Persistence\QueryResultInterface
     */
    public function findAllTitles($settings = [])
    {
        $query = $this->createQuery();

        $constraints = [];
        $constraints[] = $query->equals('partof', 0);

        if ($settings['collections']) {
            $constraints[] = $query->in('collections.uid', GeneralUtility::intExplode(',', $settings['collections']));
        }

        if (count($constraints)) {
            $query->matching(
                $query->logicalAnd($constraints)
            );
        }

        return $query->execute();
    }

    /**
     * Count the titles
     *
     * documents with partof == 0
     *
     * @param array $settings
     *
     * @return int
     */
    public function countAllTitles($settings = [])
    {
        return $this->findAllTitles($settings)->count();
    }

    /**
     * Count the volumes
     *
     * documents with partof != 0
     *
     * @param array $settings
     *
     * @return int
     */
    public function countAllVolumes($settings = [])
    {
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');
        $subQueryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');

        $subQuery = $subQueryBuilder
            ->select('tx_dlf_documents.partof')
            ->from('tx_dlf_documents')
            ->where(
                $subQueryBuilder->expr()->neq('tx_dlf_documents.partof', 0)
            )
            ->groupBy('tx_dlf_documents.partof')
            ->getSQL();

        $countVolumes = $queryBuilder
            ->count('tx_dlf_documents.uid')
            ->from('tx_dlf_documents')
            ->where(
                $queryBuilder->expr()->eq('tx_dlf_documents.pid', intval($settings['pages'])),
                $queryBuilder->expr()->notIn('tx_dlf_documents.uid', $subQuery)
            )
            ->execute()
            ->fetchColumn(0);

        return $countVolumes;
    }

    public function getStatisticsForSelectedCollection($settings)
    {
        // Include only selected collections.
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');

        $countTitles = $queryBuilder
            ->count('tx_dlf_documents.uid')
            ->from('tx_dlf_documents')
            ->innerJoin(
                'tx_dlf_documents',
                'tx_dlf_relations',
                'tx_dlf_relations_joins',
                $queryBuilder->expr()->eq(
                    'tx_dlf_relations_joins.uid_local',
                    'tx_dlf_documents.uid'
                )
            )
            ->innerJoin(
                'tx_dlf_relations_joins',
                'tx_dlf_collections',
                'tx_dlf_collections_join',
                $queryBuilder->expr()->eq(
                    'tx_dlf_relations_joins.uid_foreign',
                    'tx_dlf_collections_join.uid'
                )
            )
            ->where(
                $queryBuilder->expr()->eq('tx_dlf_documents.pid', intval($settings['pages'])),
                $queryBuilder->expr()->eq('tx_dlf_collections_join.pid', intval($settings['pages'])),
                $queryBuilder->expr()->eq('tx_dlf_documents.partof', 0),
                $queryBuilder->expr()->in('tx_dlf_collections_join.uid',
                    $queryBuilder->createNamedParameter(GeneralUtility::intExplode(',',
                        $settings['collections']), Connection::PARAM_INT_ARRAY)),
                $queryBuilder->expr()->eq('tx_dlf_relations_joins.ident',
                    $queryBuilder->createNamedParameter('docs_colls'))
            )
            ->execute()
            ->fetchColumn(0);

        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');
        $subQueryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');

        $subQuery = $subQueryBuilder
            ->select('tx_dlf_documents.partof')
            ->from('tx_dlf_documents')
            ->where(
                $subQueryBuilder->expr()->neq('tx_dlf_documents.partof', 0)
            )
            ->groupBy('tx_dlf_documents.partof')
            ->getSQL();

        $countVolumes = $queryBuilder
            ->count('tx_dlf_documents.uid')
            ->from('tx_dlf_documents')
            ->innerJoin(
                'tx_dlf_documents',
                'tx_dlf_relations',
                'tx_dlf_relations_joins',
                $queryBuilder->expr()->eq(
                    'tx_dlf_relations_joins.uid_local',
                    'tx_dlf_documents.uid'
                )
            )
            ->innerJoin(
                'tx_dlf_relations_joins',
                'tx_dlf_collections',
                'tx_dlf_collections_join',
                $queryBuilder->expr()->eq(
                    'tx_dlf_relations_joins.uid_foreign',
                    'tx_dlf_collections_join.uid'
                )
            )
            ->where(
                $queryBuilder->expr()->eq('tx_dlf_documents.pid', intval($settings['pages'])),
                $queryBuilder->expr()->eq('tx_dlf_collections_join.pid', intval($settings['pages'])),
                $queryBuilder->expr()->notIn('tx_dlf_documents.uid', $subQuery),
                $queryBuilder->expr()->in('tx_dlf_collections_join.uid',
                    $queryBuilder->createNamedParameter(GeneralUtility::intExplode(',',
                        $settings['collections']), Connection::PARAM_INT_ARRAY)),
                $queryBuilder->expr()->eq('tx_dlf_relations_joins.ident',
                    $queryBuilder->createNamedParameter('docs_colls'))
            )
            ->execute()
            ->fetchColumn(0);

        return ['titles' => $countTitles, 'volumes' => $countVolumes];
    }

    public function getTableOfContentsFromDb($uid, $pid, $settings)
    {
        // Build table of contents from database.
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable('tx_dlf_documents');

        $excludeOtherWhere = '';
        if ($settings['excludeOther']) {
            $excludeOtherWhere = 'tx_dlf_documents.pid=' . intval($settings['pages']);
        }
        // Check if there are any metadata to suggest.
        $result = $queryBuilder
            ->select(
                'tx_dlf_documents.uid AS uid',
                'tx_dlf_documents.title AS title',
                'tx_dlf_documents.volume AS volume',
                'tx_dlf_documents.mets_label AS mets_label',
                'tx_dlf_documents.mets_orderlabel AS mets_orderlabel',
                'tx_dlf_structures_join.index_name AS type'
            )
            ->innerJoin(
                'tx_dlf_documents',
                'tx_dlf_structures',
                'tx_dlf_structures_join',
                $queryBuilder->expr()->eq(
                    'tx_dlf_structures_join.uid',
                    'tx_dlf_documents.structure'
                )
            )
            ->from('tx_dlf_documents')
            ->where(
                $queryBuilder->expr()->eq('tx_dlf_documents.partof', intval($uid)),
                $queryBuilder->expr()->eq('tx_dlf_structures_join.pid', intval($pid)),
                $excludeOtherWhere
            )
            ->addOrderBy('tx_dlf_documents.volume_sorting')
            ->addOrderBy('tx_dlf_documents.mets_orderlabel')
            ->execute();
        return $result;
    }

    /**
     * Find one document by given settings and identifier
     *
     * @param array $settings
     * @param array $parameters
     *
     * @return array The found document object
     */
    public function getOaiRecord($settings, $parameters)
    {
        $where = '';

        if (!$settings['show_userdefined']) {
            $where .= 'AND tx_dlf_collections.fe_cruser_id=0 ';
        }

        $connection = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getConnectionForTable('tx_dlf_documents');

        $sql = 'SELECT `tx_dlf_documents`.*, GROUP_CONCAT(DISTINCT `tx_dlf_collections`.`oai_name` ORDER BY `tx_dlf_collections`.`oai_name` SEPARATOR " ") AS `collections` ' .
            'FROM `tx_dlf_documents` ' .
            'INNER JOIN `tx_dlf_relations` ON `tx_dlf_relations`.`uid_local` = `tx_dlf_documents`.`uid` ' .
            'INNER JOIN `tx_dlf_collections` ON `tx_dlf_collections`.`uid` = `tx_dlf_relations`.`uid_foreign` ' .
            'WHERE `tx_dlf_documents`.`record_id` = ? ' .
            'AND `tx_dlf_relations`.`ident`="docs_colls" ' .
            $where;

        $values = [
            $parameters['identifier']
        ];

        $types = [
            Connection::PARAM_STR
        ];

        // Create a prepared statement for the passed SQL query, bind the given params with their binding types and execute the query
        $statement = $connection->executeQuery($sql, $values, $types);

        return $statement->fetch();
    }

    /**
     * Finds all documents for the given settings
     *
     * @param array $settings
     * @param array $documentsToProcess
     *
     * @return array The found document objects
     */
    public function getOaiDocumentList($settings, $documentsToProcess)
    public function getOaiDocumentList(/** @scrutinizer ignore-unused */ $settings, $documentsToProcess)
    {
        $connection = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getConnectionForTable('tx_dlf_documents');

        $sql = 'SELECT `tx_dlf_documents`.*, GROUP_CONCAT(DISTINCT `tx_dlf_collections`.`oai_name` ORDER BY `tx_dlf_collections`.`oai_name` SEPARATOR " ") AS `collections` ' .
            'FROM `tx_dlf_documents` ' .
            'INNER JOIN `tx_dlf_relations` ON `tx_dlf_relations`.`uid_local` = `tx_dlf_documents`.`uid` ' .
            'INNER JOIN `tx_dlf_collections` ON `tx_dlf_collections`.`uid` = `tx_dlf_relations`.`uid_foreign` ' .
            'WHERE `tx_dlf_documents`.`uid` IN ( ? ) ' .
            'AND `tx_dlf_relations`.`ident`="docs_colls" ' .
            'AND ' . Helper::whereExpression('tx_dlf_collections') . ' ' .
            'GROUP BY `tx_dlf_documents`.`uid` ';

        $values = [
            $documentsToProcess,
        ];

        $types = [
            Connection::PARAM_INT_ARRAY,
        ];

        // Create a prepared statement for the passed SQL query, bind the given params with their binding types and execute the query
        $documents = $connection->executeQuery($sql, $values, $types);

        return $documents;
    }

    /**
     * Finds all documents with given uids
     *
     * @param array $uids
     *
     * @return array
     */
    private function findAllByUids($uids)
    {
        // get all documents from db we are talking about
        $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
        $queryBuilder = $connectionPool->getQueryBuilderForTable('tx_dlf_documents');
        // Fetch document info for UIDs in $documentSet from DB
        $kitodoDocuments = $queryBuilder
            ->select(
                'tx_dlf_documents.uid AS uid',
                'tx_dlf_documents.title AS title',
                'tx_dlf_documents.structure AS structure',
                'tx_dlf_documents.thumbnail AS thumbnail',
                'tx_dlf_documents.volume_sorting AS volumeSorting',
                'tx_dlf_documents.mets_orderlabel AS metsOrderlabel',
                'tx_dlf_documents.partof AS partOf'
            )
            ->from('tx_dlf_documents')
            ->where(
                $queryBuilder->expr()->in('tx_dlf_documents.pid', $this->settings['storagePid']),
                $queryBuilder->expr()->in('tx_dlf_documents.uid', $uids)
            )
            ->addOrderBy('tx_dlf_documents.volume_sorting', 'asc')
            ->addOrderBy('tx_dlf_documents.mets_orderlabel', 'asc')
            ->execute();

        $allDocuments = [];
        $documentStructures = Helper::getDocumentStructures($this->settings['storagePid']);
        // Process documents in a usable array structure
        while ($resArray = $kitodoDocuments->fetch()) {
            $resArray['structure'] = $documentStructures[$resArray['structure']];
            $allDocuments[$resArray['uid']] = $resArray;
        }

        return $allDocuments;
    }

    /**
     * Find all documents with given collection from Solr
     *
     * @param \Kitodo\Dlf\Domain\Model\Collection $collection
     * @param array $settings
     * @param array $searchParams
     * @param \TYPO3\CMS\Extbase\Persistence\Generic\QueryResult $listedMetadata
     * @return array
     */
    public function findSolrByCollection($collection, $settings, $searchParams, $listedMetadata = null)
    {
        // set settings global inside this repository
        $this->settings = $settings;

        // Prepare query parameters.
        $params = [];
        $matches = [];
        $fields = Solr::getFields();

        // Set search query.
        if (
            (!empty($searchParams['fulltext']))
            || preg_match('/' . $fields['fulltext'] . ':\((.*)\)/', trim($searchParams['query']), $matches)
        ) {
            // If the query already is a fulltext query e.g using the facets
            $searchParams['query'] = empty($matches[1]) ? $searchParams['query'] : $matches[1];
            // Search in fulltext field if applicable. Query must not be empty!
            if (!empty($searchParams['query'])) {
                $query = $fields['fulltext'] . ':(' . Solr::escapeQuery(trim($searchParams['query'])) . ')';
            }
            $params['fulltext'] = true;
        } else {
            // Retain given search field if valid.
            if (!empty($searchParams['query'])) {
                $query = Solr::escapeQueryKeepField(trim($searchParams['query']), $this->settings['storagePid']);
            }
        }

        // Add extended search query.
        if (
            !empty($searchParams['extQuery'])
            && is_array($searchParams['extQuery'])
        ) {
            $allowedOperators = ['AND', 'OR', 'NOT'];
            $numberOfExtQueries = count($searchParams['extQuery']);
            for ($i = 0; $i < $numberOfExtQueries; $i++) {
                if (!empty($searchParams['extQuery'][$i])) {
                    if (
                        in_array($searchParams['extOperator'][$i], $allowedOperators)
                    ) {
                        if (!empty($query)) {
                            $query .= ' ' . $searchParams['extOperator'][$i] . ' ';
                        }
                        $query .= Indexer::getIndexFieldName($searchParams['extField'][$i], $this->settings['storagePid']) . ':(' . Solr::escapeQuery($searchParams['extQuery'][$i]) . ')';

                    }
                }
            }
        }

            // Add filter query for faceting.
        if (isset($searchParams['fq']) && is_array($searchParams['fq'])) {
            foreach ($searchParams['fq'] as $filterQuery) {
                $params['filterquery'][]['query'] = $filterQuery;
            }
        }

        // Add filter query for in-document searching.
        if (
            !empty($searchParams['documentId'])
            && \TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($searchParams['documentId'])
        ) {
            // Search in document and all subordinates (valid for up to three levels of hierarchy).
            $params['filterquery'][]['query'] = '_query_:"{!join from='
                . $fields['uid'] . ' to=' . $fields['partof'] . '}'
                . $fields['uid'] . ':{!join from=' . $fields['uid'] . ' to=' . $fields['partof'] . '}'
                . $fields['uid'] . ':' . $searchParams['documentId'] . '"' . ' OR {!join from='
                . $fields['uid'] . ' to=' . $fields['partof'] . '}'
                . $fields['uid'] . ':' . $searchParams['documentId'] . ' OR '
                . $fields['uid'] . ':' . $searchParams['documentId'];
//                $label .= htmlspecialchars(sprintf($this->pi_getLL('in', ''), Document::getTitle($searchParams['id'])));
        }

        // if a collection is given, we prepare the collection query string
        if ($collection) {

            $collecionsQueryString = $collection->getIndexName();
            $params['filterquery'][]['query'] = 'toplevel:true';
            $params['filterquery'][]['query'] = 'partof:0';
            $params['filterquery'][]['query'] = 'collection_faceting:("' . $collecionsQueryString . '")';
        }

        // Set some query parameters.
        $params['query'] = !empty($query) ? $query : '*';
        $params['start'] = 0;
        $params['rows'] = 10000;

        // order the results as given or by title as default
        if (!empty($searchParams['orderBy'])) {
            $querySort = [
                $searchParams['orderBy'] => $searchParams['order']
            ];
        } else {
            $querySort = [
                'year_sorting' => 'asc',
                'title_sorting' => 'asc'
            ];
        }

        $params['sort'] = $querySort;
        $params['listMetadataRecords'] = [];

        // Restrict the fields to the required ones.
        $params['fields'] = 'uid,id,page,title,thumbnail,partof,toplevel,type';

        if ($listedMetadata) {
            foreach ($listedMetadata as $metadata) {
                if ($metadata->getIndexStored() || $metadata->getIndexIndexed()) {
                    $listMetadataRecord = $metadata->getIndexName() . '_' . ($metadata->getIndexTokenized() ? 't' : 'u') . ($metadata->getIndexStored() ? 's' : 'u') . ($metadata->getIndexIndexed() ? 'i' : 'u');
                    $params['fields'] .= ',' . $listMetadataRecord;
                    $params['listMetadataRecords'][$metadata->getIndexName()] = $listMetadataRecord;
                }
            }
        }

        // Perform search.
        $result = $this->searchSolr($params, true);

        // Initialize values
        $numberOfToplevels = 0;
        $documents = [];

        if ($result['numFound'] > 0) {
            // flat array with uids from Solr search
            $documentSet = array_unique(array_column($result['documents'], 'uid'));

            if (empty($documentSet)) {
                // return nothing found
                return ['solrResults' => [], 'documents' => []];
            }

            // get the Extbase document objects for all uids
            $allDocuments = $this->findAllByUids($documentSet);

            foreach ($result['documents'] as $doc) {
                if (empty($documents[$doc['uid']]) && $allDocuments[$doc['uid']]) {
                    $documents[$doc['uid']] = $allDocuments[$doc['uid']];
                }
                if ($documents[$doc['uid']]) {
                    if ($doc['toplevel'] === false) {
                        // this maybe a chapter, article, ..., year
                        if ($doc['type'] === 'year') {
                            continue;
                        }
                        if (!empty($doc['page'])) {
                            // it's probably a fulltext or metadata search
                            $searchResult = [];
                            $searchResult['page'] = $doc['page'];
                            $searchResult['thumbnail'] = $doc['thumbnail'];
                            $searchResult['structure'] = $doc['type'];
                            $searchResult['title'] = $doc['title'];
                            foreach ($params['listMetadataRecords'] as $indexName => $solrField) {
                                if (isset($doc['metadata'][$indexName])) {
                                    $documents[$doc['uid']]['metadata'][$indexName] = $doc['metadata'][$indexName];
                                    $searchResult['metadata'][$indexName] = $doc['metadata'][$indexName];
                                }
                            }
                            if ($searchParams['fulltext'] == '1') {
                                $searchResult['snippet'] = $doc['snippet'];
                                $searchResult['highlight'] = $doc['highlight'];
                                $searchResult['highlight_word'] = $searchParams['query'];
                            }
                            $documents[$doc['uid']]['searchResults'][] = $searchResult;
                        }
                    } else if ($doc['toplevel'] === true) {
                        $numberOfToplevels++;
                        foreach ($params['listMetadataRecords'] as $indexName => $solrField) {
                            if (isset($doc['metadata'][$indexName])) {
                                $documents[$doc['uid']]['metadata'][$indexName] = $doc['metadata'][$indexName];
                            }
                        }
                        if ($searchParams['fulltext'] != '1') {
                            $documents[$doc['uid']]['page'] = 1;
                            $children = $this->findByPartof($doc['uid']);
                            $children = $this->findByPartof($doc['uid']);
                            foreach($children as $docChild) {
                                // We need only a few fields from the children, but we need them as array.
                                $childDocument = [
                                    'thumbnail' => $docChild->getThumbnail(),
                                    'title' => $docChild->getTitle(),
                                    'structure' => Helper::getIndexNameFromUid($docChild->getStructure(), 'tx_dlf_structures'),
                                    'metsOrderlabel' => $docChild->getMetsOrderlabel(),
                                    'uid' => $docChild->getUid(),
                                    'metadata' => $this->fetchMetadataFromSolr($docChild->getUid(), $listedMetadata)
                                ];
                                $documents[$doc['uid']]['children'][$docChild->getUid()] = $childDocument;
                            }
                        }
                    }
                    if (empty($documents[$doc['uid']]['metadata'])) {
                        $documents[$doc['uid']]['metadata'] = $this->fetchMetadataFromSolr($doc['uid'], $listedMetadata);
                    }
                    // get title of parent if empty
                    if (empty($documents[$doc['uid']]['title']) && ($documents[$doc['uid']]['partOf'] > 0)) {
                        $parentDocument = $this->findByUid($documents[$doc['uid']]['partOf']);
                        if ($parentDocument) {
                            $documents[$doc['uid']]['title'] = '[' . $parentDocument->getTitle() . ']';
                        }
                    }
                }
            }
        }

        return ['solrResults' => $result, 'numberOfToplevels' => $numberOfToplevels, 'documents' => $documents];
    }

    /**
     * Find all listed metadata for given document
     *
     * @param int $uid the uid of the document
     * @param \TYPO3\CMS\Extbase\Persistence\Generic\QueryResult $listedMetadata
     * @return array
     */
    public function fetchMetadataFromSolr($uid, $listedMetadata = [])
    {
        // Prepare query parameters.
        $params = [];
        $metadataArray = [];

        // Set some query parameters.
        $params['query'] = 'uid:' . $uid;
        $params['start'] = 0;
        $params['rows'] = 1;
        $params['sort'] = ['score' => 'desc'];
        $params['listMetadataRecords'] = [];

        // Restrict the fields to the required ones.
        $params['fields'] = 'uid,toplevel';

        if ($listedMetadata) {
            foreach ($listedMetadata as $metadata) {
                if ($metadata->getIndexIndexed()) {
                    $listMetadataRecord = $metadata->getIndexName() . '_' . ($metadata->getIndexTokenized() ? 't' : 'u') . ($metadata->getIndexStored() ? 's' : 'u') . 'i';
                    $params['fields'] .= ',' . $listMetadataRecord;
                    $params['listMetadataRecords'][$metadata->getIndexName()] = $listMetadataRecord;
                }
            }
        }
        // Set filter query to just get toplevel documents.
        $params['filterquery'][] = ['query' => 'toplevel:true'];

        // Perform search.
        $result = $this->searchSolr($params, true);

        if ($result['numFound'] > 0) {
            // There is only one result found because of toplevel:true.
            if (isset($result['documents'][0]['metadata'])) {
                $metadataArray = $result['documents'][0]['metadata'];
            }
        }
        return $metadataArray;
    }

    /**
     * Processes a search request
     *
     * @access public
     *
     * @param array $parameters: Additional search parameters
     * @param boolean $enableCache: Enable caching of Solr requests
     *
     * @return array The Apache Solr Documents that were fetched
     */
    protected function searchSolr($parameters = [], $enableCache = true)
    {
        // Set additional query parameters.
        $parameters['start'] = 0;
        // Set query.
        $parameters['query'] = isset($parameters['query']) ? $parameters['query'] : '*';
        $parameters['filterquery'] = isset($parameters['filterquery']) ? $parameters['filterquery'] : [];

        // Perform Solr query.
        // Instantiate search object.
        $solr = Solr::getInstance($this->settings['solrcore']);
        if (!$solr->ready) {
            Helper::log('Apache Solr not available', LOG_SEVERITY_ERROR);
            return [];
        }

        $cacheIdentifier = '';
        $cache = null;
        // Calculate cache identifier.
        if ($enableCache === true) {
            $cacheIdentifier = Helper::digest($solr->core . print_r($parameters, true));
            $cacheIdentifier = Helper::digest($solr->core . /** @scrutinizer ignore-type */ print_r($parameters, true));
            $cache = GeneralUtility::makeInstance(CacheManager::class)->getCache('tx_dlf_solr');
        }
        $resultSet = [
            'documents' => [],
            'numFound' => 0,
        ];
        if ($enableCache === false || ($entry = $cache->get($cacheIdentifier)) === false) {
            $selectQuery = $solr->service->createSelect($parameters);

            if ($parameters['fulltext'] === true) {
                // get highlighting component and apply settings
                $selectQuery->getHighlighting();
            }

            $solrRequest = $solr->service->createRequest($selectQuery);

            if ($parameters['fulltext'] === true) {
                // If it is a fulltext search, enable highlighting.
                // field for which highlighting is going to be performed,
                // is required if you want to have OCR highlighting
                $solrRequest->addParam('hl.ocr.fl', 'fulltext');
                // return the coordinates of highlighted search as absolute coordinates
                $solrRequest->addParam('hl.ocr.absoluteHighlights', 'on');
                // max amount of snippets for a single page
                $solrRequest->addParam('hl.snippets', 20);
                // we store the fulltext on page level and can disable this option
                $solrRequest->addParam('hl.ocr.trackPages', 'off');
            }

            // Perform search for all documents with the same uid that either fit to the search or marked as toplevel.
            $response = $solr->service->executeRequest($solrRequest);
            $result = $solr->service->createResult($selectQuery, $response);

            /** @scrutinizer ignore-call */
            $resultSet['numFound'] = $result->getNumFound();
            $highlighting = [];
            if ($parameters['fulltext'] === true) {
                $data = $result->getData();
                $highlighting = $data['ocrHighlighting'];
            }
            $fields = Solr::getFields();

            foreach ($result as $record) {
                $resultDocument = new ResultDocument($record, $highlighting, $fields);

                $document = [
                    'id' => $resultDocument->getId(),
                    'page' => $resultDocument->getPage(),
                    'snippet' => $resultDocument->getSnippets(),
                    'thumbnail' => $resultDocument->getThumbnail(),
                    'title' => $resultDocument->getTitle(),
                    'toplevel' => $resultDocument->getToplevel(),
                    'type' => $resultDocument->getType(),
                    'uid' => !empty($resultDocument->getUid()) ? $resultDocument->getUid() : $parameters['uid'],
                    'highlight' => $resultDocument->getHighlightsIds(),
                ];
                foreach ($parameters['listMetadataRecords'] as $indexName => $solrField) {
                    if (!empty($record->$solrField)) {
                        $document['metadata'][$indexName] = $record->$solrField;
                    }
                }
                $resultSet['documents'][] = $document;
            }

            // Save value in cache.
            if (!empty($resultSet) && $enableCache === true) {
                $cache->set($cacheIdentifier, $resultSet);
            }
        } else {
            // Return cache hit.
            $resultSet = $entry;
        }
        return $resultSet;
    }

}

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DocumentRepository::fetchMetadataFromSolr() B

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kitodo / kitodo-presentation

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DocumentRepository::fetchMetadataFromSolr() B

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