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📄 backup_qtype_randomsamatch_plugin.class.php(2.41 KB)
📄 restore_qtype_randomsamatch_plugin.class.php(4.96 KB)

Editing: restore_qtype_randomsamatch_plugin.class.php

<?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 randomsamatch qtype plugin
 *
 * @copyright  2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class restore_qtype_randomsamatch_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();

// Add own qtype stuff.
        $elename = 'randomsamatch';
        $elepath = $this->get_pathfor('/randomsamatch');
        $paths[] = new restore_path_element($elename, $elepath);

return $paths; // And we return the interesting paths.
    }

/**
     * Process the qtype/randomsamatch element
     */
    public function process_randomsamatch($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
        // qtype_randomsamatch_options too.
        if ($questioncreated) {
            // Fill in some field that were added in 2.1, and so which may be missing
            // from backups made in older versions of Moodle.
            if (!isset($data->subcats)) {
                $data->subcats = 1;
            }
            if (!isset($data->correctfeedback)) {
                $data->correctfeedback = '';
                $data->correctfeedbackformat = FORMAT_HTML;
            }
            if (!isset($data->partiallycorrectfeedback)) {
                $data->partiallycorrectfeedback = '';
                $data->partiallycorrectfeedbackformat = FORMAT_HTML;
            }
            if (!isset($data->incorrectfeedback)) {
                $data->incorrectfeedback = '';
                $data->incorrectfeedbackformat = FORMAT_HTML;
            }
            if (!isset($data->shownumcorrect)) {
                $data->shownumcorrect = 0;
            }
            $data->questionid = $newquestionid;

// It is possible for old backup files to contain unique key violations.
            // We need to check to avoid that.
            if (!$DB->record_exists('qtype_randomsamatch_options', array('questionid' => $data->questionid))) {
                $newitemid = $DB->insert_record('qtype_randomsamatch_options', $data);
                $this->set_mapping('qtype_randomsamatch_options', $oldid, $newitemid);
            }
        }
    }

/**
     * Given one question_states record, return the answer
     * recoded pointing to all the restored stuff for randomsamatch questions
     *
     * answer is one comma separated list of hypen separated pairs
     * containing question->id and question_answers->id
     */
    public function recode_legacy_state_answer($state) {
        $answer = $state->answer;
        $resultarr = array();
        foreach (explode(',', $answer) as $pair) {
            $pairarr = explode('-', $pair);
            $questionid = $pairarr[0];
            $answerid = $pairarr[1];
            $newquestionid = $questionid ? $this->get_mappingid('question', $questionid) : 0;
            $newanswerid = $answerid ? $this->get_mappingid('question_answer', $answerid) : 0;
            $resultarr[] = implode('-', array($newquestionid, $newanswerid));
        }
        return implode(',', $resultarr);
    }

/**
     * Return the contents of this qtype to be processed by the links decoder.
     */
    public static function define_decode_contents() {

$contents = array();

$fields = array('correctfeedback', 'partiallycorrectfeedback', 'incorrectfeedback');
        $contents[] = new restore_decode_content('qtype_randomsamatch_options', $fields, 'qtype_randomsamatch_options');

return $contents;
    }
}

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