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backup_quiz_stepslib.php
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backup_quiz_stepslib.php
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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 mod_quiz
* @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();
/**
* Define all the backup steps that will be used by the backup_quiz_activity_task
*
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class backup_quiz_activity_structure_step extends backup_questions_activity_structure_step {
protected function define_structure() {
// To know if we are including userinfo.
$userinfo = $this->get_setting_value('userinfo');
// Define each element separated.
$quiz = new backup_nested_element('quiz', array('id'), array(
'name', 'intro', 'introformat', 'timeopen', 'timeclose', 'timelimit',
'overduehandling', 'graceperiod', 'preferredbehaviour', 'attempts_number',
'attemptonlast', 'grademethod', 'decimalpoints', 'questiondecimalpoints',
'reviewattempt', 'reviewcorrectness', 'reviewmarks',
'reviewspecificfeedback', 'reviewgeneralfeedback',
'reviewrightanswer', 'reviewoverallfeedback',
'questionsperpage', 'navmethod', 'shufflequestions', 'shuffleanswers',
'sumgrades', 'grade', 'timecreated',
'timemodified', 'password', 'subnet', 'browsersecurity',
'delay1', 'delay2', 'showuserpicture', 'showblocks', 'completionattemptsexhausted', 'completionpass'));
// Define elements for access rule subplugin settings.
$this->add_subplugin_structure('quizaccess', $quiz, true);
$qinstances = new backup_nested_element('question_instances');
$qinstance = new backup_nested_element('question_instance', array('id'), array(
'slot', 'page', 'questionid', 'maxmark'));
$feedbacks = new backup_nested_element('feedbacks');
$feedback = new backup_nested_element('feedback', array('id'), array(
'feedbacktext', 'feedbacktextformat', 'mingrade', 'maxgrade'));
$overrides = new backup_nested_element('overrides');
$override = new backup_nested_element('override', array('id'), array(
'userid', 'groupid', 'timeopen', 'timeclose',
'timelimit', 'attempts', 'password'));
$grades = new backup_nested_element('grades');
$grade = new backup_nested_element('grade', array('id'), array(
'userid', 'gradeval', 'timemodified'));
$attempts = new backup_nested_element('attempts');
$attempt = new backup_nested_element('attempt', array('id'), array(
'userid', 'attemptnum', 'uniqueid', 'layout', 'currentpage', 'preview',
'state', 'timestart', 'timefinish', 'timemodified', 'timecheckstate', 'sumgrades'));
// This module is using questions, so produce the related question states and sessions
// attaching them to the $attempt element based in 'uniqueid' matching.
$this->add_question_usages($attempt, 'uniqueid');
// Define elements for access rule subplugin attempt data.
$this->add_subplugin_structure('quizaccess', $attempt, true);
// Build the tree.
$quiz->add_child($qinstances);
$qinstances->add_child($qinstance);
$quiz->add_child($feedbacks);
$feedbacks->add_child($feedback);
$quiz->add_child($overrides);
$overrides->add_child($override);
$quiz->add_child($grades);
$grades->add_child($grade);
$quiz->add_child($attempts);
$attempts->add_child($attempt);
// Define sources.
$quiz->set_source_table('quiz', array('id' => backup::VAR_ACTIVITYID));
$qinstance->set_source_table('quiz_slots',
array('quizid' => backup::VAR_PARENTID));
$feedback->set_source_table('quiz_feedback',
array('quizid' => backup::VAR_PARENTID));
// Quiz overrides to backup are different depending of user info.
$overrideparams = array('quiz' => backup::VAR_PARENTID);
if (!$userinfo) { // Without userinfo, skip user overrides.
$overrideparams['userid'] = backup_helper::is_sqlparam(null);
}
$override->set_source_table('quiz_overrides', $overrideparams);
// All the rest of elements only happen if we are including user info.
if ($userinfo) {
$grade->set_source_table('quiz_grades', array('quiz' => backup::VAR_PARENTID));
$attempt->set_source_sql('
SELECT *
FROM {quiz_attempts}
WHERE quiz = :quiz AND preview = 0',
array('quiz' => backup::VAR_PARENTID));
}
// Define source alias.
$quiz->set_source_alias('attempts', 'attempts_number');
$grade->set_source_alias('grade', 'gradeval');
$attempt->set_source_alias('attempt', 'attemptnum');
// Define id annotations.
$qinstance->annotate_ids('question', 'questionid');
$override->annotate_ids('user', 'userid');
$override->annotate_ids('group', 'groupid');
$grade->annotate_ids('user', 'userid');
$attempt->annotate_ids('user', 'userid');
// Define file annotations.
$quiz->annotate_files('mod_quiz', 'intro', null); // This file area hasn't itemid.
$feedback->annotate_files('mod_quiz', 'feedback', 'id');
// Return the root element (quiz), wrapped into standard activity structure.
return $this->prepare_activity_structure($quiz);
}
}