tao-test/app/taoOutcomeUi/model/table/ResultsPayload.php

102 lines
2.6 KiB
PHP
Raw Normal View History

2022-08-29 20:14:13 +02:00
<?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\taoOutcomeUi\model\table;
use oat\tao\model\datatable\DatatablePayload as DataTablePayloadInterface;
use oat\tao\model\datatable\implementation\DatatableRequest;
use oat\taoOutcomeUi\model\export\ResultsExporterInterface;
use oat\taoOutcomeUi\model\ResultsService;
/**
* ResultsPayload
*
* @author Gyula Szucs <gyula@taotesting.com>
*/
class ResultsPayload implements DataTablePayloadInterface
{
private $request;
/**
* @var ResultsExporterInterface
*/
private $exporter;
public function __construct(ResultsExporterInterface $exporter)
{
$this->request = DatatableRequest::fromGlobals();
$this->exporter = $exporter;
}
/**
* @return array
*/
public function getPayload()
{
$data = $this->exporter->getData();
return $this->doPostProcessing($data);
}
private function doPostProcessing($data)
{
$countTotal = count($data);
$filters = $this->getFilters();
$this->limitRows($data, $filters);
$payload = [
'data' => $data,
'page' => $this->request->getPage(),
'amount' => count($data),
'total' => ceil($countTotal / $filters['limit'])
];
return $payload;
}
private function limitRows(&$data, $filters)
{
$data = array_slice($data, $filters['offset'], $filters['limit']);
}
protected function getFilters()
{
$page = $this->request->getPage();
$limit = $this->request->getRows();
$filters = [
'offset' => $limit * ($page - 1),
'limit' => $limit
];
return $filters;
}
/**
* @return array
*/
public function jsonSerialize()
{
return $this->getPayload();
}
}