124 lines
3.3 KiB
PHP
124 lines
3.3 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) 2016 (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\taoQtiTest\models\files;
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use oat\oatbox\filesystem\File;
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use qtism\common\datatypes\QtiFile;
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use qtism\common\enums\BaseType;
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use qtism\common\enums\Cardinality;
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class QtiFlysystemFile extends File implements QtiFile
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{
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const FILENAME_MD_PREFIX = '.fmd';
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const CHUNK_SIZE = 2048;
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public function __construct($fileSystemId, $path)
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{
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parent::__construct($fileSystemId, $path);
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}
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public function getData()
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{
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return $this->read();
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}
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public function getMimeType()
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{
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return parent::getMimeType();
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}
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public function hasFilename()
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{
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return $this->getFileSystem()->has($this->getPrefix() . self::FILENAME_MD_PREFIX);
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}
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public function getFilename()
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{
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$filename = '';
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if ($this->hasFilename() === true) {
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$filename = $this->getFileSystem()->read($this->getPrefix() . self::FILENAME_MD_PREFIX);
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}
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return $filename;
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}
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public function getStream()
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{
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return $this->readStream();
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}
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public function getIdentifier()
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{
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return $this->getPrefix();
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}
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public function equals($obj)
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{
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if ($obj instanceof QtiFile) {
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if ($this->getFilename() !== $obj->getFilename()) {
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return false;
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} elseif ($this->getMimeType() !== $obj->getMimeType()) {
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return false;
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} else {
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// We have to check the content of the file.
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$myStream = $this->getStream();
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$objStream = $obj->getStream();
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while (feof($myStream) === false && feof($objStream) === false) {
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$myChunk = fread($myStream, self::CHUNK_SIZE);
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$objChjunk = fread($objStream, self::CHUNK_SIZE);
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if ($myChunk !== $objChjunk) {
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@fclose($myStream);
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@fclose($objStream);
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return false;
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}
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}
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@fclose($myStream);
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@fclose($objStream);
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return true;
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}
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}
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return false;
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}
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public function getCardinality()
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{
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return Cardinality::SINGLE;
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}
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public function getBaseType()
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{
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return BaseType::FILE;
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}
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public function __toString()
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{
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return $this->getFileName();
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}
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}
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