102 lines
2.6 KiB
PHP
102 lines
2.6 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*/
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namespace oat\taoOutcomeUi\model\table;
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use oat\tao\model\datatable\DatatablePayload as DataTablePayloadInterface;
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use oat\tao\model\datatable\implementation\DatatableRequest;
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use oat\taoOutcomeUi\model\export\ResultsExporterInterface;
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use oat\taoOutcomeUi\model\ResultsService;
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/**
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* ResultsPayload
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*
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* @author Gyula Szucs <gyula@taotesting.com>
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*/
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class ResultsPayload implements DataTablePayloadInterface
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{
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private $request;
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/**
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* @var ResultsExporterInterface
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*/
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private $exporter;
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public function __construct(ResultsExporterInterface $exporter)
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{
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$this->request = DatatableRequest::fromGlobals();
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$this->exporter = $exporter;
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}
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/**
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* @return array
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*/
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public function getPayload()
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{
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$data = $this->exporter->getData();
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return $this->doPostProcessing($data);
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}
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private function doPostProcessing($data)
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{
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$countTotal = count($data);
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$filters = $this->getFilters();
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$this->limitRows($data, $filters);
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$payload = [
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'data' => $data,
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'page' => $this->request->getPage(),
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'amount' => count($data),
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'total' => ceil($countTotal / $filters['limit'])
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];
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return $payload;
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}
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private function limitRows(&$data, $filters)
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{
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$data = array_slice($data, $filters['offset'], $filters['limit']);
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}
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protected function getFilters()
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{
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$page = $this->request->getPage();
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$limit = $this->request->getRows();
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$filters = [
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'offset' => $limit * ($page - 1),
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'limit' => $limit
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];
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return $filters;
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}
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/**
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* @return array
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*/
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public function jsonSerialize()
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{
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return $this->getPayload();
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}
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}
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