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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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.
//
// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package backup-convert
* @subpackage cc-library
* @copyright 2011 Darko Miletic <dmiletic@moodlerooms.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('cc_interfaces.php');
abstract class cc_converter {
/**
*
* Enter description here ...
* @var cc_item
*/
protected $item = null;
/**
*
* Enter description here ...
* @var cc_manifest
*/
protected $manifest = null;
/**
*
* Enter description here ...
* @var string
*/
protected $rootpath = null;
/**
*
* Enter description here ...
* @var string
*/
protected $path = null;
/**
*
* Enter description here ...
* @var string
*/
protected $defaultfile = null;
/**
*
* Enter description here ...
* @var string
*/
protected $defaultname = null;
/**
*
* Enter description here ...
* @var string
*/
protected $cc_type = null;
/**
*
* Document
* @var XMLGenericDocument
*/
protected $doc = null;
/**
*
* ctor
* @param cc_i_item $item
* @param cc_i_manifest $manifest
* @param string $rootpath
* @param string $path
* @throws InvalidArgumentException
*/
public function __construct(cc_i_item &$item, cc_i_manifest &$manifest, $rootpath, $path) {
$rpath = realpath($rootpath);
if (empty($rpath)) {
throw new InvalidArgumentException('Invalid path!');
}
$rpath2 = realpath($path);
if (empty($rpath)) {
throw new InvalidArgumentException('Invalid path!');
}
$doc = new XMLGenericDocument();
if (!$doc->load($path . DIRECTORY_SEPARATOR . $this->defaultfile)) {
throw new RuntimeException('File does not exist!');
}
$this->doc = $doc;
$this->item = $item;
$this->manifest = $manifest;
$this->rootpath = $rpath;
$this->path = $rpath2;
}
/**
*
* performs conversion
* @param string $outdir - root directory of common cartridge
* @return boolean
*/
abstract public function convert($outdir);
/**
*
* Is the element visible in the course?
* @throws RuntimeException
* @return bool
*/
protected function is_visible() {
$tdoc = new XMLGenericDocument();
if (!$tdoc->load($this->path . DIRECTORY_SEPARATOR . 'module.xml')) {
throw new RuntimeException('File does not exist!');
}
$visible = (int)$tdoc->nodeValue('/module/visible');
return ($visible > 0);
}
/**
*
* Stores any files that need to be stored
*/
protected function store(general_cc_file $doc, $outdir, $title, $deps = null) {
$rdir = new cc_resource_location($outdir);
$rtp = $rdir->fullpath(true).$this->defaultname;
if ( $doc->saveTo($rtp) ) {
$resource = new cc_resource($rdir->rootdir(), $this->defaultname, $rdir->dirname(true));
$resource->dependency = empty($deps) ? array() : $deps;
$resource->instructoronly = !$this->is_visible();
$res = $this->manifest->add_resource($resource, null, $this->cc_type);
$resitem = new cc_item();
$resitem->attach_resource($res[0]);
$resitem->title = $title;
$this->item->add_child_item($resitem);
} else {
throw new RuntimeException("Unable to save file {$rtp}!");
}
}
}