<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2015 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: http://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/.
 ************************************************************************/

namespace Espo\Services;

use \Espo\Core\Exceptions\Forbidden;
use \Espo\Core\Exceptions\NotFound;

use Espo\ORM\Entity;

class GlobalSearch extends \Espo\Core\Services\Base
{
    protected $dependencies = array(
        'entityManager',
        'user',
        'metadata',
        'acl',
        'selectManagerFactory',
        'config',
    );

    protected function getSelectManagerFactory()
    {
        return $this->injections['selectManagerFactory'];
    }

    protected function getEntityManager()
    {
        return $this->injections['entityManager'];
    }

    protected function getAcl()
    {
        return $this->injections['acl'];
    }

    protected function getMetadata()
    {
        return $this->injections['metadata'];
    }

    public function find($query, $offset, $maxSize)
    {
        $entityNameList = $this->getConfig()->get('globalSearchEntityList');

        $entityTypeCount = count($entityNameList);

        $list = array();
        $count = 0;
        $total = 0;
        foreach ($entityNameList as $entityName) {

            if (!$this->getAcl()->check($entityName, 'read')) {
                continue;
            }
            $selectManager = $this->getSelectManagerFactory()->create($entityName);

            $selectParams = $selectManager->getSelectParams(array(
                'where' => array(
                    array(
                        'type' => 'textFilter',
                        'value' => $query
                    )
                ),
                'asc' => true,
                'sortBy' => 'name',
                'offset' => round($offset / $entityTypeCount),
                'maxSize' => round($maxSize / $entityTypeCount),
            ), true);

            $collection = $this->getEntityManager()->getRepository($entityName)->find($selectParams);
            $count += count($collection);
            $total += $this->getEntityManager()->getRepository($entityName)->count($selectParams);
            foreach ($collection as $entity) {
                $data = $entity->toArray();
                $data['_scope'] = $entityName;
                $list[] = $data;
            }
        }

        return array(
            'total' => $total,
            'list' => $list,
        );
    }
}