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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 moodlecore
* @subpackage backup-moodle2
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* restore plugin class that provides the necessary information
* needed to restore one algebra qtype plugin
*/
class restore_qtype_algebra_plugin extends restore_qtype_plugin {
/**
* Returns the paths to be handled by the plugin at question level
*/
protected function define_question_plugin_structure() {
$paths = array();
// This qtype uses question_answers, add them
$this->add_question_question_answers($paths);
// Add own qtype stuff
$elename = 'algebravariable';
$elepath = $this->get_pathfor('/algebra_variables/algebra_variable'); // we used get_recommended_name() so this works
$paths[] = new restore_path_element($elename, $elepath);
$elename = 'algebra';
$elepath = $this->get_pathfor('/algebra'); // we used get_recommended_name() so this works
$paths[] = new restore_path_element($elename, $elepath);
return $paths; // And we return the interesting paths
}
/**
* Process the qtype/algebra element
*/
public function process_algebra($data) {
global $DB;
$data = (object)$data;
$oldid = $data->id;
// Detect if the question is created or mapped
$oldquestionid = $this->get_old_parentid('question');
$newquestionid = $this->get_new_parentid('question');
$questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false;
// If the question has been created by restore, we need to create its question_algebra too
if ($questioncreated) {
// Adjust some columns
$data->questionid = $newquestionid;
// Insert record
$newitemid = $DB->insert_record('question_algebra', $data);
// Create mapping (needed for decoding links)
$this->set_mapping('question_algebra', $oldid, $newitemid);
} else {
// Nothing to remap if the question already existed
}
}
/**
* Process the qtype/algebravariable element
*/
public function process_algebravariable($data) {
global $DB;
$data = (object)$data;
$oldid = $data->id;
// Detect if the question is created or mapped
$oldquestionid = $this->get_old_parentid('question');
$newquestionid = $this->get_new_parentid('question');
$questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false;
// If the question has been created by restore, we need to create its question_algebra_variables too
if ($questioncreated) {
// Adjust some columns
$data->question = $newquestionid;
// Insert record
$newitemid = $DB->insert_record('question_algebra_variables', $data);
// Create mapping
$this->set_mapping('question_algebra_variable', $oldid, $newitemid);
} else {
// Nothing to remap if the question already existed
}
}
}
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