<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii 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\Tools\Export;

use Espo\Core\{
    Exceptions\ForbiddenSilent,
    Acl,
    Acl\Table,
    Utils\Config,
    Utils\Metadata,
};

use Espo\Entities\User;

class Service
{
    private $factory;

    private $config;

    private $acl;

    private $user;

    private $metadata;

    public function __construct(
        Factory $factory,
        Config $config,
        Acl $acl,
        User $user,
        Metadata $metadata
    ) {
        $this->factory = $factory;
        $this->config = $config;
        $this->acl = $acl;
        $this->user = $user;
        $this->metadata = $metadata;
    }

    public function process(Params $params): Result
    {
        if ($this->config->get('exportDisabled') && !$this->user->isAdmin()) {
            throw new ForbiddenSilent("Export disabled for non-admin users.");
        }

        $entityType = $params->getEntityType();

        if ($this->acl->getPermissionLevel('exportPermission') !== Table::LEVEL_YES) {
            throw new ForbiddenSilent("No 'export' permission.");
        }

        if (!$this->acl->check($entityType, Table::ACTION_READ)) {
            throw new ForbiddenSilent("No 'read' access.");
        }

        if ($this->metadata->get(['recordDefs', $entityType, 'exportDisabled'])) {
            throw new ForbiddenSilent("Export disabled for '{$entityType}'.");
        }

        $export = $this->factory->create();

        return $export
            ->setParams($params)
            ->run();
    }
}