espocrm-base/application/Espo/Services/GlobalSearch.php

<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM 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.
 *
 * EspoCRM 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Services;

use Espo\ORM\{
    QueryParams\Select,
};

use Espo\Core\Di;

use PDO;

class GlobalSearch implements
    Di\EntityManagerAware,
    Di\MetadataAware,
    Di\AclAware,
    Di\ConfigAware,
    Di\SelectManagerFactoryAware
{
    use Di\EntityManagerSetter;
    use Di\MetadataSetter;
    use Di\AclSetter;
    use Di\ConfigSetter;
    use Di\SelectManagerFactorySetter;

    public function find(string $query, int $offset, int $maxSize)
    {
        $entityTypeList = $this->config->get('globalSearchEntityList') ?? [];

        $hasFullTextSearch = false;

        $queryList = [];

        foreach ($entityTypeList as $i => $entityType) {
            if (!$this->acl->checkScope($entityType, 'read')) {
                continue;
            }

            if (!$this->metadata->get(['scopes', $entityType])) {
                continue;
            }

            $selectManager = $this->selectManagerFactory->create($entityType);

            $selectParams = [
                'select' => [
                    'id',
                    'name',
                    ['VALUE:' . $entityType, 'entityType'],
                    [(string) $i, 'order'],
                ],
            ];

            $fullTextSearchData = $selectManager->getFullTextSearchDataForTextFilter($query);

            if ($this->metadata->get(['entityDefs', $entityType, 'fields', 'name', 'type']) === 'personName') {
                $selectParams['select'][] = 'firstName';
                $selectParams['select'][] = 'lastName';
            }
            else {
                $selectParams['select'][] = ['VALUE:', 'firstName'];
                $selectParams['select'][] = ['VALUE:', 'lastName'];
            }

            $selectParams['offset'] = 0;
            $selectParams['limit'] = $offset + $maxSize + 1;

            $selectManager->manageAccess($selectParams);

            $selectParams['useFullTextSearch'] = true;
            
            $selectManager->applyTextFilter($query, $selectParams);

            if ($fullTextSearchData) {
                $hasFullTextSearch = true;
                $selectParams['select'][] = [$fullTextSearchData['where'], 'relevance'];
                $selectParams['orderBy'] = [[$fullTextSearchData['where'], 'desc'], ['name']];
            }
            else {
                $selectParams['select'][] = ['VALUE:1.1', 'relevance'];
                $selectParams['orderBy'] = [['name']];
            }

            $selectParams['from'] = $entityType;

            $queryList[] = Select::fromRaw($selectParams);
        }

        $entityTypeList = array_values($entityTypeList);

        if (!count($entityTypeList)) {
            return [
                'total' => 0,
                'list' => [],
            ];
        }

        $builder = $this->entityManager->getQueryBuilder()
            ->union()
            ->all()
            ->limit($offset, $maxSize + 1);

        foreach ($queryList as $query) {
            $builder->query($query);
        }

        if ($hasFullTextSearch) {
            $builder->order('relevance', 'DESC');
        }

        $builder->order('order', 'DESC');
        $builder->order('name', 'ASC');

        $unionQuery = $builder->build();

        $sth = $this->entityManager->getQueryExecutor()->execute($unionQuery);

        $rows = $sth->fetchAll(PDO::FETCH_ASSOC);

        $resultList = [];

        foreach ($rows as $row) {
            $entity = $this->entityManager
                ->getRepository($row['entityType'])
                ->select(['id', 'name'])
                ->where(['id' => $row['id']])
                ->findOne();

            if (!$entity) {
                continue;
            }

            $itemData = $entity->getValueMap();
            $itemData->_scope = $entity->getEntityType();

            $resultList[] = $itemData;
        }

        $total = -2;

        if (count($resultList) > $maxSize) {
            $total = -1;

            unset($resultList[count($resultList) - 1]);
        }

        return [
            'total' => $total,
            'list' => $resultList,
        ];
    }
}