<?php

/**
 * This program 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; under version 2
 * of the License (non-upgradable).
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *
 */

namespace oat\ltiDeliveryProvider\model;

use oat\taoResultServer\models\classes\ResultAliasServiceInterface;
use oat\oatbox\service\ConfigurableService;
use oat\taoDelivery\model\execution\ServiceProxy;

/**
 * class ResultAliasService
 *
 * @package oat\ltiDeliveryProvider\model
 */
class ResultAliasService extends ConfigurableService implements ResultAliasServiceInterface
{
    /**
     * @inheritdoc
     */
    public function getResultAlias($deliveryExecutionId)
    {
        return $this->getLtiResultIdStorage()->getResultAlias($deliveryExecutionId);
    }

    /**
     * @inheritdoc
     */
    public function getDeliveryExecutionId($aliasId)
    {
        return $this->getLtiResultIdStorage()->getDeliveryExecutionId($aliasId);
    }

    /**
     * @return LtiResultAliasStorage
     */
    protected function getLtiResultIdStorage()
    {
        return $this->getServiceLocator()->get(LtiResultAliasStorage::SERVICE_ID);
    }
}