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1007 lines
43 KiB
1007 lines
43 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package moodlecore
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* @subpackage backup-imscc
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* @copyright 2009 Mauro Rondinelli (mauro.rondinelli [AT] uvcms.com)
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* @copyright 2011 Darko Miletic (dmiletic@moodlerooms.com)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');
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class cc_quiz extends entities {
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public function generate_node_question_categories () {
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$instances = $this->generate_instances();
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$node_course_question_categories = $this->create_node_course_question_categories($instances);
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$node_course_question_categories = empty($node_course_question_categories) ? '' : $node_course_question_categories;
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return $node_course_question_categories;
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}
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public function generate_node_course_modules_mod () {
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cc2moodle::log_action('Creating Quiz mods');
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$node_course_modules_mod = '';
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$instances = $this->generate_instances();
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if (!empty($instances)) {
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foreach ($instances as $instance) {
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if ($instance['is_question_bank'] == 0) {
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$node_course_modules_mod .= $this->create_node_course_modules_mod($instance);
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}
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}
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}
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return $node_course_modules_mod;
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}
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private function create_node_course_modules_mod_quiz_feedback () {
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$sheet_question_mod_feedback = cc2moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_QUIZ_FEEDBACK);
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return $sheet_question_mod_feedback;
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}
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private function generate_instances () {
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$last_instance_id = 0;
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$last_question_id = 0;
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$last_answer_id = 0;
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$instances = array();
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$types = array(MOODLE_TYPE_QUIZ, MOODLE_TYPE_QUESTION_BANK);
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foreach ($types as $type) {
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if (!empty(cc2moodle::$instances['instances'][$type])) {
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foreach (cc2moodle::$instances['instances'][$type] as $instance) {
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if ($type == MOODLE_TYPE_QUIZ) {
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$is_question_bank = 0;
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} else {
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$is_question_bank = 1;
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}
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$assessment_file = $this->get_external_xml($instance['resource_indentifier']);
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if (!empty($assessment_file)) {
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$assessment = $this->load_xml_resource(
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cc2moodle::$path_to_manifest_folder . DIRECTORY_SEPARATOR . $assessment_file
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);
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if (!empty($assessment)) {
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$replace_values = array('unlimited' => 0);
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$questions = $this->get_questions(
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$assessment, $last_question_id, $last_answer_id, dirname($assessment_file), $is_question_bank
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);
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$question_count = count($questions);
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if (!empty($question_count)) {
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$last_instance_id++;
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$instances[$instance['resource_indentifier']]['questions'] = $questions;
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$instances[$instance['resource_indentifier']]['id'] = $last_instance_id;
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$instances[$instance['resource_indentifier']]['title'] = $instance['title'];
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$instances[$instance['resource_indentifier']]['is_question_bank'] = $is_question_bank;
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$instances[$instance['resource_indentifier']]['options']['timelimit'] =
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$this->get_global_config($assessment, 'qmd_timelimit', 0);
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$instances[$instance['resource_indentifier']]['options']['max_attempts'] =
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$this->get_global_config($assessment, 'cc_maxattempts', 0, $replace_values);
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}
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}
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}
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}
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}
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}
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return $instances;
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}
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private function create_node_course_modules_mod ($instance) {
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$sheet_question_mod = cc2moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_QUIZ);
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$node_course_modules_quiz_question_instances = $this->create_node_course_modules_mod_quiz_question_instances($instance);
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$node_course_modules_quiz_feedback = $this->create_node_course_modules_mod_quiz_feedback($instance);
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$questions_strings = $this->get_questions_string($instance);
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$quiz_stamp = 'localhost+' . time() . '+' . $this->generate_random_string(6);
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$find_tags = array('[#mod_id#]',
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'[#mod_name#]',
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'[#mod_intro#]',
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'[#mod_stamp#]',
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'[#question_string#]',
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'[#date_now#]',
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'[#mod_max_attempts#]',
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'[#mod_timelimit#]',
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'[#node_question_instance#]',
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'[#node_questions_feedback#]');
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$replace_values = array($instance['id'],
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self::safexml($instance['title']),
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self::safexml($instance['title']),
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self::safexml($quiz_stamp),
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self::safexml($questions_strings),
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time(),
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$instance['options']['max_attempts'],
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$instance['options']['timelimit'],
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$node_course_modules_quiz_question_instances,
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$node_course_modules_quiz_feedback); // This one has tags.
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$node_question_mod = str_replace($find_tags, $replace_values, $sheet_question_mod);
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return $node_question_mod;
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}
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private function get_global_config ($assessment, $option, $default_value, $replace_values = '') {
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$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
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$metadata = $xpath->query('/xmlns:questestinterop/xmlns:assessment/xmlns:qtimetadata/xmlns:qtimetadatafield');
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foreach ($metadata as $field) {
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$field_label = $xpath->query('xmlns:fieldlabel', $field);
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$field_label = !empty($field_label->item(0)->nodeValue) ? $field_label->item(0)->nodeValue : '';
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if (strtolower($field_label) == strtolower($option)) {
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$field_entry = $xpath->query('xmlns:fieldentry', $field);
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$response = !empty($field_entry->item(0)->nodeValue) ? $field_entry->item(0)->nodeValue : '';
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}
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}
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$response = !empty($response) ? trim($response) : '';
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if (!empty($replace_values)) {
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foreach ($replace_values as $key => $value) {
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$response = ($key == $response) ? $value : $response;
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}
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}
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$response = empty($response) ? $default_value : $response;
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return $response;
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}
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private function create_node_course_modules_mod_quiz_question_instances ($instance) {
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$node_course_module_mod_quiz_questions_instances = '';
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$sheet_question_mod_instance = cc2moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_QUIZ_QUESTION_INSTANCE);
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$find_tags = array('[#question_id#]' , '[#instance_id#]');
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if (!empty($instance['questions'])) {
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foreach ($instance['questions'] as $question) {
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$replace_values = array($question['id'] , $question['id']);
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$node_course_module_mod_quiz_questions_instances .= str_replace(
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$find_tags, $replace_values, $sheet_question_mod_instance
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);
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}
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$node_course_module_mod_quiz_questions_instances = str_replace(
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$find_tags, $replace_values, $node_course_module_mod_quiz_questions_instances
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);
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}
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return $node_course_module_mod_quiz_questions_instances;
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}
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private function get_questions_string ($instance) {
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$questions_string = '';
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if (!empty($instance['questions'])) {
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foreach ($instance['questions'] as $question) {
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$questions_string .= $question['id'] . ',';
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}
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}
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$questions_string = !empty($questions_string) ? substr($questions_string, 0, strlen($questions_string) - 1) : '';
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return $questions_string;
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}
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private function create_node_course_question_categories($instances) {
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$sheet_question_categories = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES);
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if (!empty($instances)) {
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$node_course_question_categories_question_category = '';
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foreach ($instances as $instance) {
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$node_course_question_categories_question_category .=
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$this->create_node_course_question_categories_question_category($instance);
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}
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$find_tags = array('[#node_course_question_categories_question_category#]');
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$replace_values = array($node_course_question_categories_question_category);
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$node_course_question_categories = str_replace($find_tags, $replace_values, $sheet_question_categories);
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}
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$node_course_question_categories = empty($node_course_question_categories) ? '' : $node_course_question_categories;
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return $node_course_question_categories;
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}
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private function create_node_course_question_categories_question_category ($instance) {
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$sheet_question_categories_quetion_category = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY);
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$find_tags = array('[#quiz_id#]',
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'[#quiz_name#]',
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'[#quiz_stamp#]',
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'[#node_course_question_categories_question_category_questions#]');
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$node_course_question_categories_questions =
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$this->create_node_course_question_categories_question_category_question($instance);
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$node_course_question_categories_questions =
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empty($node_course_question_categories_questions) ? '' : $node_course_question_categories_questions;
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$quiz_stamp = 'localhost+' . time() . '+' . $this->generate_random_string(6);
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$replace_values = array($instance['id'],
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self::safexml($instance['title']),
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$quiz_stamp,
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$node_course_question_categories_questions);
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$node_question_categories = str_replace($find_tags, $replace_values, $sheet_question_categories_quetion_category);
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return $node_question_categories;
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}
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private function create_node_course_question_categories_question_category_question ($instance) {
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global $USER;
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$node_course_question_categories_question = '';
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$find_tags = array('[#question_id#]',
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'[#question_title#]',
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'[#question_text#]',
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'[#question_type#]',
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'[#question_general_feedback#]',
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'[#question_defaultgrade#]',
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'[#date_now#]',
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'[#question_type_nodes#]',
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'[#question_stamp#]',
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'[#question_version#]',
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'[#logged_user#]');
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$sheet_question_categories_question = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION);
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$questions = $instance['questions'];
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if (!empty($questions)) {
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foreach ($questions as $question) {
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$quiz_stamp = 'localhost+' . time() . '+' . $this->generate_random_string(6);
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$quiz_version = 'localhost+' . time() . '+' . $this->generate_random_string(6);
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$question_moodle_type = $question['moodle_type'];
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$question_cc_type = $question['cc_type'];
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$question_type_node = '';
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$question_type_node = ($question_moodle_type == MOODLE_QUIZ_MULTIPLE_CHOICE) ? $this->create_node_course_question_categories_question_category_question_multiple_choice($question) : $question_type_node;
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$question_type_node = ($question_moodle_type == MOODLE_QUIZ_TRUE_FALSE) ? $this->create_node_course_question_categories_question_category_question_true_false($question) : $question_type_node;
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$question_type_node = ($question_moodle_type == MOODLE_QUIZ_ESSAY) ? $this->create_node_course_question_categories_question_category_question_eesay($question) : $question_type_node;
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$question_type_node = ($question_moodle_type == MOODLE_QUIZ_SHORTANSWER) ? $this->create_node_course_question_categories_question_category_question_shortanswer($question) : $question_type_node;
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$replace_values = array($question['id'],
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self::safexml($this->truncate_text($question['title'], 255, true)),
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self::safexml($question['title']),
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$question_moodle_type,
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self::safexml($question['feedback']),
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$question['defaultgrade'], //default grade
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time(),
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$question_type_node,
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$quiz_stamp,
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$quiz_version,
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$USER->id);
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$node_course_question_categories_question .= str_replace($find_tags, $replace_values, $sheet_question_categories_question);
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}
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}
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$node_course_question_categories_question = empty($node_course_question_categories_question) ? '' : $node_course_question_categories_question;
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return $node_course_question_categories_question;
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}
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private function get_questions ($assessment, &$last_question_id, &$last_answer_id, $root_path, $is_question_bank) {
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$questions = array();
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$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
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if (!$is_question_bank) {
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$questions_items = $xpath->query('/xmlns:questestinterop/xmlns:assessment/xmlns:section/xmlns:item');
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} else {
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$questions_items = $xpath->query('/xmlns:questestinterop/xmlns:objectbank/xmlns:item');
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}
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foreach ($questions_items as $question_item) {
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$count_questions = $xpath->evaluate('count(xmlns:presentation/xmlns:flow/xmlns:material/xmlns:mattext)', $question_item);
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if ($count_questions == 0) {
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$question_title = $xpath->query('xmlns:presentation/xmlns:material/xmlns:mattext', $question_item);
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} else {
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$question_title = $xpath->query('xmlns:presentation/xmlns:flow/xmlns:material/xmlns:mattext', $question_item);
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}
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$question_title = !empty($question_title->item(0)->nodeValue) ? $question_title->item(0)->nodeValue : '';
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$question_identifier = $xpath->query('@ident', $question_item);
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$question_identifier = !empty($question_identifier->item(0)->nodeValue) ? $question_identifier->item(0)->nodeValue : '';
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if (!empty($question_identifier)) {
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$question_type = $this->get_question_type($question_identifier, $assessment);
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if (!empty($question_type['moodle'])) {
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$last_question_id++;
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$questions[$question_identifier]['id'] = $last_question_id;
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$question_title = $this->update_sources($question_title, $root_path);
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$question_title = !empty($question_title) ? str_replace("%24", "\$", $this->include_titles($question_title)) : '';
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$questions[$question_identifier]['title'] = $question_title;
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$questions[$question_identifier]['identifier'] = $question_identifier;
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$questions[$question_identifier]['moodle_type'] = $question_type['moodle'];
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$questions[$question_identifier]['cc_type'] = $question_type['cc'];
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$questions[$question_identifier]['feedback'] = $this->get_general_feedback($assessment, $question_identifier);
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$questions[$question_identifier]['defaultgrade'] = $this->get_defaultgrade($assessment, $question_identifier);
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$questions[$question_identifier]['answers'] = $this->get_answers($question_identifier, $assessment, $last_answer_id);
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}
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}
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}
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$questions = !empty($questions) ? $questions : '';
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return $questions;
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}
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private function str_replace_once ($search, $replace, $subject) {
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$first_char = strpos($subject, $search);
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if ($first_char !== false) {
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$before_str = substr($subject, 0, $first_char);
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$after_str = substr($subject, $first_char + strlen($search));
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return $before_str . $replace . $after_str;
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} else {
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return $subject;
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}
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}
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private function get_defaultgrade($assessment, $question_identifier) {
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$result = 1;
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$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
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$query = '//xmlns:item[@ident="' . $question_identifier . '"]';
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$query .= '//xmlns:qtimetadatafield[xmlns:fieldlabel="cc_weighting"]/xmlns:fieldentry';
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$defgrade = $xpath->query($query);
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if (!empty($defgrade) && ($defgrade->length > 0)) {
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$resp = (int)$defgrade->item(0)->nodeValue;
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if ($resp >= 0 && $resp <= 99) {
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$result = $resp;
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}
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}
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return $result;
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}
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private function get_general_feedback ($assessment, $question_identifier) {
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$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
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$respconditions = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:resprocessing/xmlns:respcondition');
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if (!empty($respconditions)) {
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foreach ($respconditions as $respcondition) {
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$continue = $respcondition->getAttributeNode('continue');
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$continue = !empty($continue->nodeValue) ? strtolower($continue->nodeValue) : '';
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if ($continue == 'yes') {
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$display_feedback = $xpath->query('xmlns:displayfeedback', $respcondition);
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if (!empty($display_feedback)) {
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foreach ($display_feedback as $feedback) {
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$feedback_identifier = $feedback->getAttributeNode('linkrefid');
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$feedback_identifier = !empty($feedback_identifier->nodeValue) ? $feedback_identifier->nodeValue : '';
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if (!empty($feedback_identifier)) {
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$feedbacks_identifiers[] = $feedback_identifier;
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}
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}
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}
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}
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}
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}
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$feedback = '';
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$feedbacks_identifiers = empty($feedbacks_identifiers) ? '' : $feedbacks_identifiers;
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if (!empty($feedbacks_identifiers)) {
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foreach ($feedbacks_identifiers as $feedback_identifier) {
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$feedbacks = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:itemfeedback[@ident="' . $feedback_identifier . '"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
|
|
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue . ' ' : '';
|
|
}
|
|
}
|
|
|
|
return $feedback;
|
|
}
|
|
|
|
private function get_feedback ($assessment, $identifier, $item_identifier, $question_type) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$resource_processing = $xpath->query('//xmlns:item[@ident="' . $item_identifier . '"]/xmlns:resprocessing/xmlns:respcondition');
|
|
|
|
if (!empty($resource_processing)) {
|
|
|
|
foreach ($resource_processing as $response) {
|
|
|
|
$varequal = $xpath->query('xmlns:conditionvar/xmlns:varequal', $response);
|
|
$varequal = !empty($varequal->item(0)->nodeValue) ? $varequal->item(0)->nodeValue : '';
|
|
|
|
if (strtolower($varequal) == strtolower($identifier) || ($question_type == CC_QUIZ_ESSAY)) {
|
|
|
|
$display_feedback = $xpath->query('xmlns:displayfeedback', $response);
|
|
|
|
if (!empty($display_feedback)) {
|
|
foreach ($display_feedback as $feedback) {
|
|
|
|
$feedback_identifier = $feedback->getAttributeNode('linkrefid');
|
|
$feedback_identifier = !empty($feedback_identifier->nodeValue) ? $feedback_identifier->nodeValue : '';
|
|
|
|
if (!empty($feedback_identifier)) {
|
|
$feedbacks_identifiers[] = $feedback_identifier;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$feedback = '';
|
|
$feedbacks_identifiers = empty($feedbacks_identifiers) ? '' : $feedbacks_identifiers;
|
|
|
|
if (!empty($feedbacks_identifiers)) {
|
|
foreach ($feedbacks_identifiers as $feedback_identifier) {
|
|
$feedbacks = $xpath->query('//xmlns:item[@ident="' . $item_identifier . '"]/xmlns:itemfeedback[@ident="' . $feedback_identifier . '"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
|
|
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue . ' ' : '';
|
|
}
|
|
}
|
|
|
|
return $feedback;
|
|
}
|
|
|
|
private function get_answers_fib ($question_identifier, $identifier, $assessment, &$last_answer_id) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$answers_fib = array();
|
|
|
|
$response_items = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:resprocessing/xmlns:respcondition');
|
|
|
|
foreach ($response_items as $response_item) {
|
|
|
|
$setvar = $xpath->query('xmlns:setvar', $response_item);
|
|
$setvar = is_object($setvar->item(0)) ? $setvar->item(0)->nodeValue : '';
|
|
|
|
if ($setvar != '') {
|
|
|
|
$last_answer_id++;
|
|
|
|
$answer_title = $xpath->query('xmlns:conditionvar/xmlns:varequal[@respident="' . $identifier . '"]', $response_item);
|
|
$answer_title = !empty($answer_title->item(0)->nodeValue) ? $answer_title->item(0)->nodeValue : '';
|
|
|
|
$case = $xpath->query('xmlns:conditionvar/xmlns:varequal/@case', $response_item);
|
|
$case = is_object($case->item(0)) ? $case->item(0)->nodeValue : 'no'
|
|
;
|
|
$case = strtolower($case) == 'yes' ? 1 :
|
|
0;
|
|
|
|
$display_feedback = $xpath->query('xmlns:displayfeedback', $response_item);
|
|
|
|
unset($feedbacks_identifiers);
|
|
|
|
if (!empty($display_feedback)) {
|
|
|
|
foreach ($display_feedback as $feedback) {
|
|
|
|
$feedback_identifier = $feedback->getAttributeNode('linkrefid');
|
|
$feedback_identifier = !empty($feedback_identifier->nodeValue) ? $feedback_identifier->nodeValue : '';
|
|
|
|
if (!empty($feedback_identifier)) {
|
|
$feedbacks_identifiers[] = $feedback_identifier;
|
|
}
|
|
}
|
|
}
|
|
|
|
$feedback = '';
|
|
$feedbacks_identifiers = empty($feedbacks_identifiers) ? '' : $feedbacks_identifiers;
|
|
|
|
if (!empty($feedbacks_identifiers)) {
|
|
foreach ($feedbacks_identifiers as $feedback_identifier) {
|
|
$feedbacks = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:itemfeedback[@ident="' . $feedback_identifier . '"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
|
|
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue . ' ' : '';
|
|
}
|
|
}
|
|
|
|
$answers_fib[] = array('id' => $last_answer_id,
|
|
'title' => $answer_title,
|
|
'score' => $setvar,
|
|
'feedback' => $feedback,
|
|
'case' => $case);
|
|
}
|
|
}
|
|
|
|
$answers_fib = empty($answers_fib) ? '' : $answers_fib;
|
|
|
|
return $answers_fib;
|
|
}
|
|
|
|
private function get_answers_pattern_match ($question_identifier, $identifier, $assessment, &$last_answer_id) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$answers_fib = array();
|
|
|
|
$response_items = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:resprocessing/xmlns:respcondition');
|
|
|
|
foreach ($response_items as $response_item) {
|
|
|
|
$setvar = $xpath->query('xmlns:setvar', $response_item);
|
|
$setvar = is_object($setvar->item(0)) ? $setvar->item(0)->nodeValue : '';
|
|
|
|
if ($setvar != '') {
|
|
|
|
$last_answer_id++;
|
|
|
|
$answer_title = $xpath->query('xmlns:conditionvar/xmlns:varequal[@respident="' . $identifier . '"]', $response_item);
|
|
$answer_title = !empty($answer_title->item(0)->nodeValue) ? $answer_title->item(0)->nodeValue : '';
|
|
|
|
if (empty($answer_title)) {
|
|
$answer_title = $xpath->query('xmlns:conditionvar/xmlns:varsubstring[@respident="' . $identifier . '"]', $response_item);
|
|
$answer_title = !empty($answer_title->item(0)->nodeValue) ? '*' . $answer_title->item(0)->nodeValue . '*' : '';
|
|
}
|
|
|
|
if (empty($answer_title)) {
|
|
$answer_title = '*';
|
|
}
|
|
|
|
$case = $xpath->query('xmlns:conditionvar/xmlns:varequal/@case', $response_item);
|
|
$case = is_object($case->item(0)) ? $case->item(0)->nodeValue : 'no'
|
|
;
|
|
$case = strtolower($case) == 'yes' ? 1 :
|
|
0;
|
|
|
|
$display_feedback = $xpath->query('xmlns:displayfeedback', $response_item);
|
|
|
|
unset($feedbacks_identifiers);
|
|
|
|
if (!empty($display_feedback)) {
|
|
|
|
foreach ($display_feedback as $feedback) {
|
|
|
|
$feedback_identifier = $feedback->getAttributeNode('linkrefid');
|
|
$feedback_identifier = !empty($feedback_identifier->nodeValue) ? $feedback_identifier->nodeValue : '';
|
|
|
|
if (!empty($feedback_identifier)) {
|
|
$feedbacks_identifiers[] = $feedback_identifier;
|
|
}
|
|
}
|
|
}
|
|
|
|
$feedback = '';
|
|
$feedbacks_identifiers = empty($feedbacks_identifiers) ? '' : $feedbacks_identifiers;
|
|
|
|
if (!empty($feedbacks_identifiers)) {
|
|
foreach ($feedbacks_identifiers as $feedback_identifier) {
|
|
$feedbacks = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:itemfeedback[@ident="' . $feedback_identifier . '"]/xmlns:flow_mat/xmlns:material/xmlns:mattext');
|
|
$feedback .= !empty($feedbacks->item(0)->nodeValue) ? $feedbacks->item(0)->nodeValue . ' ' : '';
|
|
}
|
|
}
|
|
|
|
$answers_fib[] = array('id' => $last_answer_id,
|
|
'title' => $answer_title,
|
|
'score' => $setvar,
|
|
'feedback' => $feedback,
|
|
'case' => $case);
|
|
}
|
|
}
|
|
|
|
$answers_fib = empty($answers_fib) ? '' : $answers_fib;
|
|
|
|
return $answers_fib;
|
|
}
|
|
|
|
|
|
private function get_answers ($identifier, $assessment, &$last_answer_id) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$answers = array();
|
|
|
|
$question_cc_type = $this->get_question_type($identifier, $assessment);
|
|
$question_cc_type = $question_cc_type['cc'];
|
|
$is_multiresponse = ($question_cc_type == CC_QUIZ_MULTIPLE_RESPONSE);
|
|
|
|
if ($question_cc_type == CC_QUIZ_MULTIPLE_CHOICE || $is_multiresponse || $question_cc_type == CC_QUIZ_TRUE_FALSE) {
|
|
|
|
$query_answers = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:response_lid/xmlns:render_choice/xmlns:response_label';
|
|
$query_answers_with_flow = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:flow/xmlns:response_lid/xmlns:render_choice/xmlns:response_label';
|
|
|
|
$query_indentifer = '@ident';
|
|
$query_title = 'xmlns:material/xmlns:mattext';
|
|
}
|
|
|
|
if ($question_cc_type == CC_QUIZ_ESSAY) {
|
|
|
|
$query_answers = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:response_str';
|
|
$query_answers_with_flow = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:flow/xmlns:response_str';
|
|
|
|
$query_indentifer = '@ident';
|
|
$query_title = 'xmlns:render_fib';
|
|
}
|
|
|
|
if ($question_cc_type == CC_QUIZ_FIB || $question_cc_type == CC_QUIZ_PATTERN_MACHT) {
|
|
|
|
$xpath_query = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:response_str/@ident';
|
|
$xpath_query_with_flow = '//xmlns:item[@ident="' . $identifier . '"]/xmlns:presentation/xmlns:flow/xmlns:response_str/@ident';
|
|
|
|
$count_response = $xpath->evaluate('count(' . $xpath_query_with_flow . ')');
|
|
|
|
if ($count_response == 0) {
|
|
$answer_identifier = $xpath->query($xpath_query);
|
|
} else {
|
|
$answer_identifier = $xpath->query($xpath_query_with_flow);
|
|
}
|
|
|
|
$answer_identifier = !empty($answer_identifier->item(0)->nodeValue) ? $answer_identifier->item(0)->nodeValue : '';
|
|
|
|
if ($question_cc_type == CC_QUIZ_FIB) {
|
|
$answers = $this->get_answers_fib ($identifier, $answer_identifier, $assessment, $last_answer_id);
|
|
} else {
|
|
$answers = $this->get_answers_pattern_match ($identifier, $answer_identifier, $assessment, $last_answer_id);
|
|
}
|
|
|
|
} else {
|
|
|
|
$count_response = $xpath->evaluate('count(' . $query_answers_with_flow . ')');
|
|
|
|
if ($count_response == 0) {
|
|
$response_items = $xpath->query($query_answers);
|
|
} else {
|
|
$response_items = $xpath->query($query_answers_with_flow);
|
|
}
|
|
|
|
if (!empty($response_items)) {
|
|
if ($is_multiresponse) {
|
|
$correct_answer_score = 0;
|
|
//get the correct answers count
|
|
$canswers_query = "//xmlns:item[@ident='{$identifier}']//xmlns:setvar[@varname='SCORE'][.=100]/../xmlns:conditionvar//xmlns:varequal[@case='Yes'][not(parent::xmlns:not)]";
|
|
$canswers = $xpath->query($canswers_query);
|
|
if ($canswers->length > 0) {
|
|
$correct_answer_score = round(1.0 / (float)$canswers->length, 7); //weird
|
|
$correct_answers_ident = array();
|
|
foreach ($canswers as $cnode) {
|
|
$correct_answers_ident[$cnode->nodeValue] = true;
|
|
}
|
|
}
|
|
}
|
|
foreach ($response_items as $response_item) {
|
|
|
|
$last_answer_id++;
|
|
|
|
$answer_identifier = $xpath->query($query_indentifer, $response_item);
|
|
$answer_identifier = !empty($answer_identifier->item(0)->nodeValue) ? $answer_identifier->item(0)->nodeValue : '';
|
|
|
|
$answer_title = $xpath->query($query_title, $response_item);
|
|
$answer_title = !empty($answer_title->item(0)->nodeValue) ? $answer_title->item(0)->nodeValue : '';
|
|
|
|
$answer_feedback = $this->get_feedback($assessment, $answer_identifier, $identifier, $question_cc_type);
|
|
|
|
$answer_score = $this->get_score($assessment, $answer_identifier, $identifier);
|
|
|
|
if ($is_multiresponse && isset($correct_answers_ident[$answer_identifier])) {
|
|
$answer_score = $correct_answer_score;
|
|
}
|
|
|
|
$answers[] = array('id' => $last_answer_id,
|
|
'title' => $answer_title,
|
|
'score' => $answer_score,
|
|
'identifier' => $answer_identifier,
|
|
'feedback' => $answer_feedback);
|
|
}
|
|
}
|
|
}
|
|
|
|
$answers = empty($answers) ? '' : $answers;
|
|
|
|
return $answers;
|
|
|
|
}
|
|
|
|
private function get_score ($assessment, $identifier, $question_identifier) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$resource_processing = $xpath->query('//xmlns:item[@ident="' . $question_identifier . '"]/xmlns:resprocessing/xmlns:respcondition');
|
|
|
|
if (!empty($resource_processing)) {
|
|
|
|
foreach ($resource_processing as $response) {
|
|
|
|
$question_cc_type = $this->get_question_type($question_identifier, $assessment);
|
|
$question_cc_type = $question_cc_type['cc'];
|
|
|
|
$varequal = $xpath->query('xmlns:conditionvar/xmlns:varequal', $response);
|
|
$varequal = !empty($varequal->item(0)->nodeValue) ? $varequal->item(0)->nodeValue : '';
|
|
|
|
if (strtolower($varequal) == strtolower($identifier)) {
|
|
$score = $xpath->query('xmlns:setvar', $response);
|
|
$score = !empty($score->item(0)->nodeValue) ? $score->item(0)->nodeValue : '';
|
|
}
|
|
}
|
|
}
|
|
|
|
$score = empty($score) ? 0 : sprintf("%.7F", $score);
|
|
|
|
return $score;
|
|
}
|
|
|
|
private function create_node_course_question_categories_question_category_question_multiple_choice ($question) {
|
|
|
|
$node_course_question_categories_question_answer = '';
|
|
$sheet_question_categories_question = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION_MULTIPLE_CHOICE);
|
|
|
|
if (!empty($question['answers'])) {
|
|
foreach ($question['answers'] as $answer) {
|
|
$node_course_question_categories_question_answer .= $this->create_node_course_question_categories_question_category_question_answer($answer);
|
|
}
|
|
}
|
|
|
|
$answer_string = $this->get_answers_string($question['answers']);
|
|
|
|
$is_single = ($question['cc_type'] == CC_QUIZ_MULTIPLE_CHOICE) ? 1 : 0;
|
|
|
|
$find_tags = array('[#node_course_question_categories_question_category_question_answer#]',
|
|
'[#answer_string#]',
|
|
'[#is_single#]');
|
|
|
|
$replace_values = array($node_course_question_categories_question_answer,
|
|
self::safexml($answer_string),
|
|
$is_single);
|
|
|
|
$node_question_categories_question = str_replace($find_tags, $replace_values, $sheet_question_categories_question);
|
|
|
|
return $node_question_categories_question;
|
|
}
|
|
|
|
private function create_node_course_question_categories_question_category_question_eesay ($question) {
|
|
|
|
$node_course_question_categories_question_answer = '';
|
|
|
|
$sheet_question_categories_question = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION_EESAY);
|
|
|
|
if (!empty($question['answers'])) {
|
|
foreach ($question['answers'] as $answer) {
|
|
$node_course_question_categories_question_answer .= $this->create_node_course_question_categories_question_category_question_answer($answer);
|
|
}
|
|
}
|
|
|
|
$find_tags = array('[#node_course_question_categories_question_category_question_answer#]');
|
|
$replace_values = array($node_course_question_categories_question_answer);
|
|
|
|
$node_question_categories_question = str_replace($find_tags, $replace_values, $sheet_question_categories_question);
|
|
|
|
return $node_question_categories_question;
|
|
}
|
|
|
|
private function create_node_course_question_categories_question_category_question_shortanswer ($question) { //, &$fib_questions) {
|
|
|
|
$sheet_question_categories_question = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION_SHORTANSWER);
|
|
$node_course_question_categories_question_answer = '';
|
|
|
|
if (!empty($question['answers'])) {
|
|
foreach ($question['answers'] as $answer) {
|
|
$node_course_question_categories_question_answer .= $this->create_node_course_question_categories_question_category_question_answer($answer);
|
|
}
|
|
}
|
|
|
|
$answers_string = $this->get_answers_string($question['answers']);
|
|
|
|
$use_case = 0;
|
|
|
|
foreach ($question['answers'] as $answer) {
|
|
|
|
if ($answer['case'] == 1) {
|
|
$use_case = 1;
|
|
}
|
|
|
|
}
|
|
|
|
$find_tags = array('[#answers_string#]',
|
|
'[#use_case#]',
|
|
'[#node_course_question_categories_question_category_question_answer#]');
|
|
|
|
$replace_values = array(self::safexml($answers_string),
|
|
self::safexml($use_case),
|
|
$node_course_question_categories_question_answer);
|
|
|
|
|
|
|
|
$node_question_categories_question = str_replace($find_tags, $replace_values, $sheet_question_categories_question);
|
|
|
|
return $node_question_categories_question;
|
|
|
|
}
|
|
|
|
private function create_node_course_question_categories_question_category_question_true_false ($question) {
|
|
|
|
$node_course_question_categories_question_answer = '';
|
|
|
|
$sheet_question_categories_question = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION_TRUE_FALSE);
|
|
|
|
$trueanswer = null;
|
|
$falseanswer = null;
|
|
|
|
if (!empty($question['answers'])) {
|
|
|
|
// Identify the true and false answers.
|
|
foreach ($question['answers'] as $answer) {
|
|
if ($answer['identifier'] == 'true') {
|
|
$trueanswer = $answer;
|
|
} else if ($answer['identifier'] == 'false') {
|
|
$falseanswer = $answer;
|
|
} else {
|
|
// Should not happen, but just in case.
|
|
throw new coding_exception("Unknown answer identifier detected" .
|
|
" in true/false quiz question with id {$question['id']}.");
|
|
}
|
|
|
|
$node_course_question_categories_question_answer .= $this->create_node_course_question_categories_question_category_question_answer($answer);
|
|
}
|
|
|
|
// Make sure the true and false answer was found.
|
|
if (is_null($trueanswer) || is_null($falseanswer)) {
|
|
throw new coding_exception("Unable to correctly identify the " .
|
|
"true and false answers in the question with id {$question['id']}.");
|
|
}
|
|
}
|
|
|
|
$find_tags = array('[#node_course_question_categories_question_category_question_answer#]',
|
|
'[#true_answer_id#]',
|
|
'[#false_answer_id#]');
|
|
|
|
$replace_values = array($node_course_question_categories_question_answer,
|
|
$trueanswer['id'],
|
|
$falseanswer['id']);
|
|
|
|
$node_question_categories_question = str_replace($find_tags, $replace_values, $sheet_question_categories_question);
|
|
|
|
return $node_question_categories_question;
|
|
}
|
|
|
|
private function get_answers_string ($answers) {
|
|
|
|
$answer_string = '';
|
|
|
|
if (!empty($answers)) {
|
|
foreach ($answers as $answer) {
|
|
$answer_string .= $answer['id'] . ',';
|
|
}
|
|
}
|
|
|
|
$answer_string = !empty($answer_string) ? substr($answer_string, 0, strlen($answer_string) - 1) : '';
|
|
|
|
return $answer_string;
|
|
|
|
}
|
|
|
|
private function create_node_course_question_categories_question_category_question_answer ($answer) {
|
|
|
|
$sheet_question_categories_question_answer = cc2moodle::loadsheet(SHEET_COURSE_QUESTION_CATEGORIES_QUESTION_CATEGORY_QUESTION_ANSWER);
|
|
|
|
$find_tags = array('[#answer_id#]',
|
|
'[#answer_text#]',
|
|
'[#answer_score#]',
|
|
'[#answer_feedback#]');
|
|
|
|
$replace_values = array($answer['id'],
|
|
self::safexml($answer['title']),
|
|
$answer['score'],
|
|
self::safexml($answer['feedback']));
|
|
|
|
$node_question_categories_question_answer = str_replace($find_tags, $replace_values, $sheet_question_categories_question_answer);
|
|
|
|
return $node_question_categories_question_answer;
|
|
}
|
|
|
|
private function get_question_type ($identifier, $assessment) {
|
|
|
|
$xpath = cc2moodle::newx_path($assessment, cc2moodle::getquizns());
|
|
|
|
$metadata = $xpath->query('//xmlns:item[@ident="' . $identifier . '"]/xmlns:itemmetadata/xmlns:qtimetadata/xmlns:qtimetadatafield');
|
|
|
|
foreach ($metadata as $field) {
|
|
|
|
$field_label = $xpath->query('xmlns:fieldlabel', $field);
|
|
$field_label = !empty($field_label->item(0)->nodeValue) ? $field_label->item(0)->nodeValue : '';
|
|
|
|
if ($field_label == 'cc_profile') {
|
|
$field_entry = $xpath->query('xmlns:fieldentry', $field);
|
|
$type = !empty($field_entry->item(0)->nodeValue) ? $field_entry->item(0)->nodeValue : '';
|
|
}
|
|
}
|
|
|
|
$return_type = array();
|
|
|
|
$return_type['moodle'] = '';
|
|
$return_type['cc'] = $type;
|
|
|
|
if ($type == CC_QUIZ_MULTIPLE_CHOICE) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_MULTIPLE_CHOICE;
|
|
}
|
|
if ($type == CC_QUIZ_MULTIPLE_RESPONSE) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_MULTIPLE_CHOICE;
|
|
}
|
|
if ($type == CC_QUIZ_TRUE_FALSE) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_TRUE_FALSE;
|
|
}
|
|
if ($type == CC_QUIZ_ESSAY) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_ESSAY;
|
|
}
|
|
if ($type == CC_QUIZ_FIB) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_SHORTANSWER;
|
|
}
|
|
if ($type == CC_QUIZ_PATTERN_MACHT) {
|
|
$return_type['moodle'] = MOODLE_QUIZ_SHORTANSWER;
|
|
}
|
|
|
|
return $return_type;
|
|
|
|
}
|
|
}
|
|
|