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2494 lines
91 KiB
2494 lines
91 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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* Library of functions for the quiz module.
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*
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* This contains functions that are called also from outside the quiz module
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* Functions that are only called by the quiz module itself are in {@link locallib.php}
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*
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* @package mod_quiz
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* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.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') || die();
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require_once($CFG->dirroot . '/calendar/lib.php');
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/**#@+
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* Option controlling what options are offered on the quiz settings form.
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*/
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define('QUIZ_MAX_ATTEMPT_OPTION', 10);
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define('QUIZ_MAX_QPP_OPTION', 50);
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define('QUIZ_MAX_DECIMAL_OPTION', 5);
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define('QUIZ_MAX_Q_DECIMAL_OPTION', 7);
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/**#@-*/
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/**#@+
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* Options determining how the grades from individual attempts are combined to give
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* the overall grade for a user
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*/
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define('QUIZ_GRADEHIGHEST', '1');
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define('QUIZ_GRADEAVERAGE', '2');
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define('QUIZ_ATTEMPTFIRST', '3');
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define('QUIZ_ATTEMPTLAST', '4');
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/**#@-*/
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/**
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* @var int If start and end date for the quiz are more than this many seconds apart
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* they will be represented by two separate events in the calendar
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*/
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define('QUIZ_MAX_EVENT_LENGTH', 5*24*60*60); // 5 days.
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/**#@+
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* Options for navigation method within quizzes.
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*/
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define('QUIZ_NAVMETHOD_FREE', 'free');
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define('QUIZ_NAVMETHOD_SEQ', 'sequential');
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/**#@-*/
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/**
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* Event types.
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*/
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define('QUIZ_EVENT_TYPE_OPEN', 'open');
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define('QUIZ_EVENT_TYPE_CLOSE', 'close');
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/**
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* Given an object containing all the necessary data,
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* (defined by the form in mod_form.php) this function
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* will create a new instance and return the id number
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* of the new instance.
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*
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* @param object $quiz the data that came from the form.
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* @return mixed the id of the new instance on success,
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* false or a string error message on failure.
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*/
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function quiz_add_instance($quiz) {
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global $DB;
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$cmid = $quiz->coursemodule;
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// Process the options from the form.
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$quiz->created = time();
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$result = quiz_process_options($quiz);
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if ($result && is_string($result)) {
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return $result;
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}
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// Try to store it in the database.
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$quiz->id = $DB->insert_record('quiz', $quiz);
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// Create the first section for this quiz.
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$DB->insert_record('quiz_sections', array('quizid' => $quiz->id,
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'firstslot' => 1, 'heading' => '', 'shufflequestions' => 0));
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// Do the processing required after an add or an update.
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quiz_after_add_or_update($quiz);
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return $quiz->id;
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}
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/**
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* Given an object containing all the necessary data,
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* (defined by the form in mod_form.php) this function
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* will update an existing instance with new data.
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*
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* @param object $quiz the data that came from the form.
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* @return mixed true on success, false or a string error message on failure.
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*/
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function quiz_update_instance($quiz, $mform) {
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global $CFG, $DB;
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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// Process the options from the form.
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$result = quiz_process_options($quiz);
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if ($result && is_string($result)) {
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return $result;
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}
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// Get the current value, so we can see what changed.
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$oldquiz = $DB->get_record('quiz', array('id' => $quiz->instance));
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// We need two values from the existing DB record that are not in the form,
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// in some of the function calls below.
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$quiz->sumgrades = $oldquiz->sumgrades;
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$quiz->grade = $oldquiz->grade;
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// Update the database.
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$quiz->id = $quiz->instance;
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$DB->update_record('quiz', $quiz);
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// Do the processing required after an add or an update.
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quiz_after_add_or_update($quiz);
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if ($oldquiz->grademethod != $quiz->grademethod) {
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quiz_update_all_final_grades($quiz);
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quiz_update_grades($quiz);
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}
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$quizdateschanged = $oldquiz->timelimit != $quiz->timelimit
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|| $oldquiz->timeclose != $quiz->timeclose
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|| $oldquiz->graceperiod != $quiz->graceperiod;
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if ($quizdateschanged) {
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quiz_update_open_attempts(array('quizid' => $quiz->id));
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}
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// Delete any previous preview attempts.
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quiz_delete_previews($quiz);
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// Repaginate, if asked to.
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if (!empty($quiz->repaginatenow)) {
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quiz_repaginate_questions($quiz->id, $quiz->questionsperpage);
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}
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return true;
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}
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/**
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* Given an ID of an instance of this module,
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* this function will permanently delete the instance
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* and any data that depends on it.
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*
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* @param int $id the id of the quiz to delete.
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* @return bool success or failure.
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*/
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function quiz_delete_instance($id) {
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global $DB;
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$quiz = $DB->get_record('quiz', array('id' => $id), '*', MUST_EXIST);
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quiz_delete_all_attempts($quiz);
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quiz_delete_all_overrides($quiz);
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// Look for random questions that may no longer be used when this quiz is gone.
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$sql = "SELECT q.id
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FROM {quiz_slots} slot
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JOIN {question} q ON q.id = slot.questionid
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WHERE slot.quizid = ? AND q.qtype = ?";
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$questionids = $DB->get_fieldset_sql($sql, array($quiz->id, 'random'));
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// We need to do the following deletes before we try and delete randoms, otherwise they would still be 'in use'.
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$quizslots = $DB->get_fieldset_select('quiz_slots', 'id', 'quizid = ?', array($quiz->id));
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$DB->delete_records_list('quiz_slot_tags', 'slotid', $quizslots);
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$DB->delete_records('quiz_slots', array('quizid' => $quiz->id));
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$DB->delete_records('quiz_sections', array('quizid' => $quiz->id));
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foreach ($questionids as $questionid) {
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question_delete_question($questionid);
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}
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$DB->delete_records('quiz_feedback', array('quizid' => $quiz->id));
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quiz_access_manager::delete_settings($quiz);
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$events = $DB->get_records('event', array('modulename' => 'quiz', 'instance' => $quiz->id));
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foreach ($events as $event) {
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$event = calendar_event::load($event);
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$event->delete();
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}
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quiz_grade_item_delete($quiz);
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// We must delete the module record after we delete the grade item.
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$DB->delete_records('quiz', array('id' => $quiz->id));
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return true;
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}
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/**
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* Deletes a quiz override from the database and clears any corresponding calendar events
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*
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* @param object $quiz The quiz object.
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* @param int $overrideid The id of the override being deleted
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* @param bool $log Whether to trigger logs.
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* @return bool true on success
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*/
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function quiz_delete_override($quiz, $overrideid, $log = true) {
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global $DB;
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if (!isset($quiz->cmid)) {
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$cm = get_coursemodule_from_instance('quiz', $quiz->id, $quiz->course);
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$quiz->cmid = $cm->id;
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}
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$override = $DB->get_record('quiz_overrides', array('id' => $overrideid), '*', MUST_EXIST);
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// Delete the events.
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if (isset($override->groupid)) {
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// Create the search array for a group override.
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$eventsearcharray = array('modulename' => 'quiz',
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'instance' => $quiz->id, 'groupid' => (int)$override->groupid);
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} else {
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// Create the search array for a user override.
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$eventsearcharray = array('modulename' => 'quiz',
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'instance' => $quiz->id, 'userid' => (int)$override->userid);
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}
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$events = $DB->get_records('event', $eventsearcharray);
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foreach ($events as $event) {
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$eventold = calendar_event::load($event);
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$eventold->delete();
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}
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$DB->delete_records('quiz_overrides', array('id' => $overrideid));
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if ($log) {
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// Set the common parameters for one of the events we will be triggering.
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$params = array(
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'objectid' => $override->id,
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'context' => context_module::instance($quiz->cmid),
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'other' => array(
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'quizid' => $override->quiz
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)
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);
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// Determine which override deleted event to fire.
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if (!empty($override->userid)) {
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$params['relateduserid'] = $override->userid;
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$event = \mod_quiz\event\user_override_deleted::create($params);
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} else {
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$params['other']['groupid'] = $override->groupid;
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$event = \mod_quiz\event\group_override_deleted::create($params);
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}
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// Trigger the override deleted event.
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$event->add_record_snapshot('quiz_overrides', $override);
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$event->trigger();
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}
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return true;
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}
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/**
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* Deletes all quiz overrides from the database and clears any corresponding calendar events
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*
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* @param object $quiz The quiz object.
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* @param bool $log Whether to trigger logs.
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*/
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function quiz_delete_all_overrides($quiz, $log = true) {
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global $DB;
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$overrides = $DB->get_records('quiz_overrides', array('quiz' => $quiz->id), 'id');
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foreach ($overrides as $override) {
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quiz_delete_override($quiz, $override->id, $log);
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}
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}
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/**
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* Updates a quiz object with override information for a user.
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*
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* Algorithm: For each quiz setting, if there is a matching user-specific override,
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* then use that otherwise, if there are group-specific overrides, return the most
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* lenient combination of them. If neither applies, leave the quiz setting unchanged.
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*
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* Special case: if there is more than one password that applies to the user, then
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* quiz->extrapasswords will contain an array of strings giving the remaining
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* passwords.
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*
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* @param object $quiz The quiz object.
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* @param int $userid The userid.
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* @return object $quiz The updated quiz object.
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*/
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function quiz_update_effective_access($quiz, $userid) {
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global $DB;
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// Check for user override.
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$override = $DB->get_record('quiz_overrides', array('quiz' => $quiz->id, 'userid' => $userid));
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if (!$override) {
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$override = new stdClass();
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$override->timeopen = null;
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$override->timeclose = null;
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$override->timelimit = null;
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$override->attempts = null;
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$override->password = null;
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}
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// Check for group overrides.
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$groupings = groups_get_user_groups($quiz->course, $userid);
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if (!empty($groupings[0])) {
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// Select all overrides that apply to the User's groups.
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list($extra, $params) = $DB->get_in_or_equal(array_values($groupings[0]));
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$sql = "SELECT * FROM {quiz_overrides}
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WHERE groupid $extra AND quiz = ?";
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$params[] = $quiz->id;
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$records = $DB->get_records_sql($sql, $params);
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// Combine the overrides.
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$opens = array();
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$closes = array();
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$limits = array();
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$attempts = array();
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$passwords = array();
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foreach ($records as $gpoverride) {
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if (isset($gpoverride->timeopen)) {
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$opens[] = $gpoverride->timeopen;
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}
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if (isset($gpoverride->timeclose)) {
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$closes[] = $gpoverride->timeclose;
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}
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if (isset($gpoverride->timelimit)) {
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$limits[] = $gpoverride->timelimit;
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}
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if (isset($gpoverride->attempts)) {
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$attempts[] = $gpoverride->attempts;
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}
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if (isset($gpoverride->password)) {
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$passwords[] = $gpoverride->password;
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}
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}
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// If there is a user override for a setting, ignore the group override.
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if (is_null($override->timeopen) && count($opens)) {
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$override->timeopen = min($opens);
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}
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if (is_null($override->timeclose) && count($closes)) {
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if (in_array(0, $closes)) {
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$override->timeclose = 0;
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} else {
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$override->timeclose = max($closes);
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}
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}
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if (is_null($override->timelimit) && count($limits)) {
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if (in_array(0, $limits)) {
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$override->timelimit = 0;
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} else {
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$override->timelimit = max($limits);
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}
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}
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if (is_null($override->attempts) && count($attempts)) {
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if (in_array(0, $attempts)) {
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$override->attempts = 0;
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} else {
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$override->attempts = max($attempts);
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}
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}
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if (is_null($override->password) && count($passwords)) {
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$override->password = array_shift($passwords);
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if (count($passwords)) {
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$override->extrapasswords = $passwords;
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}
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}
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}
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// Merge with quiz defaults.
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$keys = array('timeopen', 'timeclose', 'timelimit', 'attempts', 'password', 'extrapasswords');
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foreach ($keys as $key) {
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if (isset($override->{$key})) {
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$quiz->{$key} = $override->{$key};
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}
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}
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return $quiz;
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}
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/**
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* Delete all the attempts belonging to a quiz.
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*
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* @param object $quiz The quiz object.
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*/
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function quiz_delete_all_attempts($quiz) {
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global $CFG, $DB;
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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question_engine::delete_questions_usage_by_activities(new qubaids_for_quiz($quiz->id));
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$DB->delete_records('quiz_attempts', array('quiz' => $quiz->id));
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$DB->delete_records('quiz_grades', array('quiz' => $quiz->id));
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}
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/**
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* Delete all the attempts belonging to a user in a particular quiz.
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*
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* @param object $quiz The quiz object.
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* @param object $user The user object.
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*/
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function quiz_delete_user_attempts($quiz, $user) {
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global $CFG, $DB;
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require_once($CFG->dirroot . '/mod/quiz/locallib.php');
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question_engine::delete_questions_usage_by_activities(new qubaids_for_quiz_user($quiz->get_quizid(), $user->id));
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$params = [
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'quiz' => $quiz->get_quizid(),
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'userid' => $user->id,
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];
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$DB->delete_records('quiz_attempts', $params);
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$DB->delete_records('quiz_grades', $params);
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}
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/**
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* Get the best current grade for a particular user in a quiz.
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*
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* @param object $quiz the quiz settings.
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* @param int $userid the id of the user.
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* @return float the user's current grade for this quiz, or null if this user does
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* not have a grade on this quiz.
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*/
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function quiz_get_best_grade($quiz, $userid) {
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global $DB;
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$grade = $DB->get_field('quiz_grades', 'grade',
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array('quiz' => $quiz->id, 'userid' => $userid));
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// Need to detect errors/no result, without catching 0 grades.
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if ($grade === false) {
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return null;
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}
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return $grade + 0; // Convert to number.
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}
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/**
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* Is this a graded quiz? If this method returns true, you can assume that
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* $quiz->grade and $quiz->sumgrades are non-zero (for example, if you want to
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* divide by them).
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*
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* @param object $quiz a row from the quiz table.
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* @return bool whether this is a graded quiz.
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*/
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function quiz_has_grades($quiz) {
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return $quiz->grade >= 0.000005 && $quiz->sumgrades >= 0.000005;
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}
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/**
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* Does this quiz allow multiple tries?
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*
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* @return bool
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*/
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function quiz_allows_multiple_tries($quiz) {
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$bt = question_engine::get_behaviour_type($quiz->preferredbehaviour);
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return $bt->allows_multiple_submitted_responses();
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}
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/**
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* Return a small object with summary information about what a
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* user has done with a given particular instance of this module
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* Used for user activity reports.
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* $return->time = the time they did it
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* $return->info = a short text description
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*
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* @param object $course
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* @param object $user
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* @param object $mod
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* @param object $quiz
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* @return object|null
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*/
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function quiz_user_outline($course, $user, $mod, $quiz) {
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global $DB, $CFG;
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require_once($CFG->libdir . '/gradelib.php');
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$grades = grade_get_grades($course->id, 'mod', 'quiz', $quiz->id, $user->id);
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if (empty($grades->items[0]->grades)) {
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return null;
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} else {
|
|
$grade = reset($grades->items[0]->grades);
|
|
}
|
|
|
|
$result = new stdClass();
|
|
// If the user can't see hidden grades, don't return that information.
|
|
$gitem = grade_item::fetch(array('id' => $grades->items[0]->id));
|
|
if (!$gitem->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
|
|
$result->info = get_string('grade') . ': ' . $grade->str_long_grade;
|
|
} else {
|
|
$result->info = get_string('grade') . ': ' . get_string('hidden', 'grades');
|
|
}
|
|
|
|
// Datesubmitted == time created. dategraded == time modified or time overridden
|
|
// if grade was last modified by the user themselves use date graded. Otherwise use
|
|
// date submitted.
|
|
// TODO: move this copied & pasted code somewhere in the grades API. See MDL-26704.
|
|
if ($grade->usermodified == $user->id || empty($grade->datesubmitted)) {
|
|
$result->time = $grade->dategraded;
|
|
} else {
|
|
$result->time = $grade->datesubmitted;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Print a detailed representation of what a user has done with
|
|
* a given particular instance of this module, for user activity reports.
|
|
*
|
|
* @param object $course
|
|
* @param object $user
|
|
* @param object $mod
|
|
* @param object $quiz
|
|
* @return bool
|
|
*/
|
|
function quiz_user_complete($course, $user, $mod, $quiz) {
|
|
global $DB, $CFG, $OUTPUT;
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
$grades = grade_get_grades($course->id, 'mod', 'quiz', $quiz->id, $user->id);
|
|
if (!empty($grades->items[0]->grades)) {
|
|
$grade = reset($grades->items[0]->grades);
|
|
// If the user can't see hidden grades, don't return that information.
|
|
$gitem = grade_item::fetch(array('id' => $grades->items[0]->id));
|
|
if (!$gitem->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
|
|
echo $OUTPUT->container(get_string('grade').': '.$grade->str_long_grade);
|
|
if ($grade->str_feedback) {
|
|
echo $OUTPUT->container(get_string('feedback').': '.$grade->str_feedback);
|
|
}
|
|
} else {
|
|
echo $OUTPUT->container(get_string('grade') . ': ' . get_string('hidden', 'grades'));
|
|
if ($grade->str_feedback) {
|
|
echo $OUTPUT->container(get_string('feedback').': '.get_string('hidden', 'grades'));
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($attempts = $DB->get_records('quiz_attempts',
|
|
array('userid' => $user->id, 'quiz' => $quiz->id), 'attempt')) {
|
|
foreach ($attempts as $attempt) {
|
|
echo get_string('attempt', 'quiz', $attempt->attempt) . ': ';
|
|
if ($attempt->state != quiz_attempt::FINISHED) {
|
|
echo quiz_attempt_state_name($attempt->state);
|
|
} else {
|
|
if (!isset($gitem)) {
|
|
if (!empty($grades->items[0]->grades)) {
|
|
$gitem = grade_item::fetch(array('id' => $grades->items[0]->id));
|
|
} else {
|
|
$gitem = new stdClass();
|
|
$gitem->hidden = true;
|
|
}
|
|
}
|
|
if (!$gitem->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
|
|
echo quiz_format_grade($quiz, $attempt->sumgrades) . '/' . quiz_format_grade($quiz, $quiz->sumgrades);
|
|
} else {
|
|
echo get_string('hidden', 'grades');
|
|
}
|
|
}
|
|
echo ' - '.userdate($attempt->timemodified).'<br />';
|
|
}
|
|
} else {
|
|
print_string('noattempts', 'quiz');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* @param int|array $quizids A quiz ID, or an array of quiz IDs.
|
|
* @param int $userid the userid.
|
|
* @param string $status 'all', 'finished' or 'unfinished' to control
|
|
* @param bool $includepreviews
|
|
* @return an array of all the user's attempts at this quiz. Returns an empty
|
|
* array if there are none.
|
|
*/
|
|
function quiz_get_user_attempts($quizids, $userid, $status = 'finished', $includepreviews = false) {
|
|
global $DB, $CFG;
|
|
// TODO MDL-33071 it is very annoying to have to included all of locallib.php
|
|
// just to get the quiz_attempt::FINISHED constants, but I will try to sort
|
|
// that out properly for Moodle 2.4. For now, I will just do a quick fix for
|
|
// MDL-33048.
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
$params = array();
|
|
switch ($status) {
|
|
case 'all':
|
|
$statuscondition = '';
|
|
break;
|
|
|
|
case 'finished':
|
|
$statuscondition = ' AND state IN (:state1, :state2)';
|
|
$params['state1'] = quiz_attempt::FINISHED;
|
|
$params['state2'] = quiz_attempt::ABANDONED;
|
|
break;
|
|
|
|
case 'unfinished':
|
|
$statuscondition = ' AND state IN (:state1, :state2)';
|
|
$params['state1'] = quiz_attempt::IN_PROGRESS;
|
|
$params['state2'] = quiz_attempt::OVERDUE;
|
|
break;
|
|
}
|
|
|
|
$quizids = (array) $quizids;
|
|
list($insql, $inparams) = $DB->get_in_or_equal($quizids, SQL_PARAMS_NAMED);
|
|
$params += $inparams;
|
|
$params['userid'] = $userid;
|
|
|
|
$previewclause = '';
|
|
if (!$includepreviews) {
|
|
$previewclause = ' AND preview = 0';
|
|
}
|
|
|
|
return $DB->get_records_select('quiz_attempts',
|
|
"quiz $insql AND userid = :userid" . $previewclause . $statuscondition,
|
|
$params, 'quiz, attempt ASC');
|
|
}
|
|
|
|
/**
|
|
* Return grade for given user or all users.
|
|
*
|
|
* @param int $quizid id of quiz
|
|
* @param int $userid optional user id, 0 means all users
|
|
* @return array array of grades, false if none. These are raw grades. They should
|
|
* be processed with quiz_format_grade for display.
|
|
*/
|
|
function quiz_get_user_grades($quiz, $userid = 0) {
|
|
global $CFG, $DB;
|
|
|
|
$params = array($quiz->id);
|
|
$usertest = '';
|
|
if ($userid) {
|
|
$params[] = $userid;
|
|
$usertest = 'AND u.id = ?';
|
|
}
|
|
return $DB->get_records_sql("
|
|
SELECT
|
|
u.id,
|
|
u.id AS userid,
|
|
qg.grade AS rawgrade,
|
|
qg.timemodified AS dategraded,
|
|
MAX(qa.timefinish) AS datesubmitted
|
|
|
|
FROM {user} u
|
|
JOIN {quiz_grades} qg ON u.id = qg.userid
|
|
JOIN {quiz_attempts} qa ON qa.quiz = qg.quiz AND qa.userid = u.id
|
|
|
|
WHERE qg.quiz = ?
|
|
$usertest
|
|
GROUP BY u.id, qg.grade, qg.timemodified", $params);
|
|
}
|
|
|
|
/**
|
|
* Round a grade to to the correct number of decimal places, and format it for display.
|
|
*
|
|
* @param object $quiz The quiz table row, only $quiz->decimalpoints is used.
|
|
* @param float $grade The grade to round.
|
|
* @return float
|
|
*/
|
|
function quiz_format_grade($quiz, $grade) {
|
|
if (is_null($grade)) {
|
|
return get_string('notyetgraded', 'quiz');
|
|
}
|
|
return format_float($grade, $quiz->decimalpoints);
|
|
}
|
|
|
|
/**
|
|
* Determine the correct number of decimal places required to format a grade.
|
|
*
|
|
* @param object $quiz The quiz table row, only $quiz->decimalpoints is used.
|
|
* @return integer
|
|
*/
|
|
function quiz_get_grade_format($quiz) {
|
|
if (empty($quiz->questiondecimalpoints)) {
|
|
$quiz->questiondecimalpoints = -1;
|
|
}
|
|
|
|
if ($quiz->questiondecimalpoints == -1) {
|
|
return $quiz->decimalpoints;
|
|
}
|
|
|
|
return $quiz->questiondecimalpoints;
|
|
}
|
|
|
|
/**
|
|
* Round a grade to the correct number of decimal places, and format it for display.
|
|
*
|
|
* @param object $quiz The quiz table row, only $quiz->decimalpoints is used.
|
|
* @param float $grade The grade to round.
|
|
* @return float
|
|
*/
|
|
function quiz_format_question_grade($quiz, $grade) {
|
|
return format_float($grade, quiz_get_grade_format($quiz));
|
|
}
|
|
|
|
/**
|
|
* Update grades in central gradebook
|
|
*
|
|
* @category grade
|
|
* @param object $quiz the quiz settings.
|
|
* @param int $userid specific user only, 0 means all users.
|
|
* @param bool $nullifnone If a single user is specified and $nullifnone is true a grade item with a null rawgrade will be inserted
|
|
*/
|
|
function quiz_update_grades($quiz, $userid = 0, $nullifnone = true) {
|
|
global $CFG, $DB;
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
|
|
if ($quiz->grade == 0) {
|
|
quiz_grade_item_update($quiz);
|
|
|
|
} else if ($grades = quiz_get_user_grades($quiz, $userid)) {
|
|
quiz_grade_item_update($quiz, $grades);
|
|
|
|
} else if ($userid && $nullifnone) {
|
|
$grade = new stdClass();
|
|
$grade->userid = $userid;
|
|
$grade->rawgrade = null;
|
|
quiz_grade_item_update($quiz, $grade);
|
|
|
|
} else {
|
|
quiz_grade_item_update($quiz);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create or update the grade item for given quiz
|
|
*
|
|
* @category grade
|
|
* @param object $quiz object with extra cmidnumber
|
|
* @param mixed $grades optional array/object of grade(s); 'reset' means reset grades in gradebook
|
|
* @return int 0 if ok, error code otherwise
|
|
*/
|
|
function quiz_grade_item_update($quiz, $grades = null) {
|
|
global $CFG, $OUTPUT;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
|
|
if (array_key_exists('cmidnumber', $quiz)) { // May not be always present.
|
|
$params = array('itemname' => $quiz->name, 'idnumber' => $quiz->cmidnumber);
|
|
} else {
|
|
$params = array('itemname' => $quiz->name);
|
|
}
|
|
|
|
if ($quiz->grade > 0) {
|
|
$params['gradetype'] = GRADE_TYPE_VALUE;
|
|
$params['grademax'] = $quiz->grade;
|
|
$params['grademin'] = 0;
|
|
|
|
} else {
|
|
$params['gradetype'] = GRADE_TYPE_NONE;
|
|
}
|
|
|
|
// What this is trying to do:
|
|
// 1. If the quiz is set to not show grades while the quiz is still open,
|
|
// and is set to show grades after the quiz is closed, then create the
|
|
// grade_item with a show-after date that is the quiz close date.
|
|
// 2. If the quiz is set to not show grades at either of those times,
|
|
// create the grade_item as hidden.
|
|
// 3. If the quiz is set to show grades, create the grade_item visible.
|
|
$openreviewoptions = mod_quiz_display_options::make_from_quiz($quiz,
|
|
mod_quiz_display_options::LATER_WHILE_OPEN);
|
|
$closedreviewoptions = mod_quiz_display_options::make_from_quiz($quiz,
|
|
mod_quiz_display_options::AFTER_CLOSE);
|
|
if ($openreviewoptions->marks < question_display_options::MARK_AND_MAX &&
|
|
$closedreviewoptions->marks < question_display_options::MARK_AND_MAX) {
|
|
$params['hidden'] = 1;
|
|
|
|
} else if ($openreviewoptions->marks < question_display_options::MARK_AND_MAX &&
|
|
$closedreviewoptions->marks >= question_display_options::MARK_AND_MAX) {
|
|
if ($quiz->timeclose) {
|
|
$params['hidden'] = $quiz->timeclose;
|
|
} else {
|
|
$params['hidden'] = 1;
|
|
}
|
|
|
|
} else {
|
|
// Either
|
|
// a) both open and closed enabled
|
|
// b) open enabled, closed disabled - we can not "hide after",
|
|
// grades are kept visible even after closing.
|
|
$params['hidden'] = 0;
|
|
}
|
|
|
|
if (!$params['hidden']) {
|
|
// If the grade item is not hidden by the quiz logic, then we need to
|
|
// hide it if the quiz is hidden from students.
|
|
if (property_exists($quiz, 'visible')) {
|
|
// Saving the quiz form, and cm not yet updated in the database.
|
|
$params['hidden'] = !$quiz->visible;
|
|
} else {
|
|
$cm = get_coursemodule_from_instance('quiz', $quiz->id);
|
|
$params['hidden'] = !$cm->visible;
|
|
}
|
|
}
|
|
|
|
if ($grades === 'reset') {
|
|
$params['reset'] = true;
|
|
$grades = null;
|
|
}
|
|
|
|
$gradebook_grades = grade_get_grades($quiz->course, 'mod', 'quiz', $quiz->id);
|
|
if (!empty($gradebook_grades->items)) {
|
|
$grade_item = $gradebook_grades->items[0];
|
|
if ($grade_item->locked) {
|
|
// NOTE: this is an extremely nasty hack! It is not a bug if this confirmation fails badly. --skodak.
|
|
$confirm_regrade = optional_param('confirm_regrade', 0, PARAM_INT);
|
|
if (!$confirm_regrade) {
|
|
if (!AJAX_SCRIPT) {
|
|
$message = get_string('gradeitemislocked', 'grades');
|
|
$back_link = $CFG->wwwroot . '/mod/quiz/report.php?q=' . $quiz->id .
|
|
'&mode=overview';
|
|
$regrade_link = qualified_me() . '&confirm_regrade=1';
|
|
echo $OUTPUT->box_start('generalbox', 'notice');
|
|
echo '<p>'. $message .'</p>';
|
|
echo $OUTPUT->container_start('buttons');
|
|
echo $OUTPUT->single_button($regrade_link, get_string('regradeanyway', 'grades'));
|
|
echo $OUTPUT->single_button($back_link, get_string('cancel'));
|
|
echo $OUTPUT->container_end();
|
|
echo $OUTPUT->box_end();
|
|
}
|
|
return GRADE_UPDATE_ITEM_LOCKED;
|
|
}
|
|
}
|
|
}
|
|
|
|
return grade_update('mod/quiz', $quiz->course, 'mod', 'quiz', $quiz->id, 0, $grades, $params);
|
|
}
|
|
|
|
/**
|
|
* Delete grade item for given quiz
|
|
*
|
|
* @category grade
|
|
* @param object $quiz object
|
|
* @return object quiz
|
|
*/
|
|
function quiz_grade_item_delete($quiz) {
|
|
global $CFG;
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
|
|
return grade_update('mod/quiz', $quiz->course, 'mod', 'quiz', $quiz->id, 0,
|
|
null, array('deleted' => 1));
|
|
}
|
|
|
|
/**
|
|
* This standard function will check all instances of this module
|
|
* and make sure there are up-to-date events created for each of them.
|
|
* If courseid = 0, then every quiz event in the site is checked, else
|
|
* only quiz events belonging to the course specified are checked.
|
|
* This function is used, in its new format, by restore_refresh_events()
|
|
*
|
|
* @param int $courseid
|
|
* @param int|stdClass $instance Quiz module instance or ID.
|
|
* @param int|stdClass $cm Course module object or ID (not used in this module).
|
|
* @return bool
|
|
*/
|
|
function quiz_refresh_events($courseid = 0, $instance = null, $cm = null) {
|
|
global $DB;
|
|
|
|
// If we have instance information then we can just update the one event instead of updating all events.
|
|
if (isset($instance)) {
|
|
if (!is_object($instance)) {
|
|
$instance = $DB->get_record('quiz', array('id' => $instance), '*', MUST_EXIST);
|
|
}
|
|
quiz_update_events($instance);
|
|
return true;
|
|
}
|
|
|
|
if ($courseid == 0) {
|
|
if (!$quizzes = $DB->get_records('quiz')) {
|
|
return true;
|
|
}
|
|
} else {
|
|
if (!$quizzes = $DB->get_records('quiz', array('course' => $courseid))) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
foreach ($quizzes as $quiz) {
|
|
quiz_update_events($quiz);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns all quiz graded users since a given time for specified quiz
|
|
*/
|
|
function quiz_get_recent_mod_activity(&$activities, &$index, $timestart,
|
|
$courseid, $cmid, $userid = 0, $groupid = 0) {
|
|
global $CFG, $USER, $DB;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
$course = get_course($courseid);
|
|
$modinfo = get_fast_modinfo($course);
|
|
|
|
$cm = $modinfo->cms[$cmid];
|
|
$quiz = $DB->get_record('quiz', array('id' => $cm->instance));
|
|
|
|
if ($userid) {
|
|
$userselect = "AND u.id = :userid";
|
|
$params['userid'] = $userid;
|
|
} else {
|
|
$userselect = '';
|
|
}
|
|
|
|
if ($groupid) {
|
|
$groupselect = 'AND gm.groupid = :groupid';
|
|
$groupjoin = 'JOIN {groups_members} gm ON gm.userid=u.id';
|
|
$params['groupid'] = $groupid;
|
|
} else {
|
|
$groupselect = '';
|
|
$groupjoin = '';
|
|
}
|
|
|
|
$params['timestart'] = $timestart;
|
|
$params['quizid'] = $quiz->id;
|
|
|
|
$ufields = user_picture::fields('u', null, 'useridagain');
|
|
if (!$attempts = $DB->get_records_sql("
|
|
SELECT qa.*,
|
|
{$ufields}
|
|
FROM {quiz_attempts} qa
|
|
JOIN {user} u ON u.id = qa.userid
|
|
$groupjoin
|
|
WHERE qa.timefinish > :timestart
|
|
AND qa.quiz = :quizid
|
|
AND qa.preview = 0
|
|
$userselect
|
|
$groupselect
|
|
ORDER BY qa.timefinish ASC", $params)) {
|
|
return;
|
|
}
|
|
|
|
$context = context_module::instance($cm->id);
|
|
$accessallgroups = has_capability('moodle/site:accessallgroups', $context);
|
|
$viewfullnames = has_capability('moodle/site:viewfullnames', $context);
|
|
$grader = has_capability('mod/quiz:viewreports', $context);
|
|
$groupmode = groups_get_activity_groupmode($cm, $course);
|
|
|
|
$usersgroups = null;
|
|
$aname = format_string($cm->name, true);
|
|
foreach ($attempts as $attempt) {
|
|
if ($attempt->userid != $USER->id) {
|
|
if (!$grader) {
|
|
// Grade permission required.
|
|
continue;
|
|
}
|
|
|
|
if ($groupmode == SEPARATEGROUPS and !$accessallgroups) {
|
|
$usersgroups = groups_get_all_groups($course->id,
|
|
$attempt->userid, $cm->groupingid);
|
|
$usersgroups = array_keys($usersgroups);
|
|
if (!array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid))) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
$options = quiz_get_review_options($quiz, $attempt, $context);
|
|
|
|
$tmpactivity = new stdClass();
|
|
|
|
$tmpactivity->type = 'quiz';
|
|
$tmpactivity->cmid = $cm->id;
|
|
$tmpactivity->name = $aname;
|
|
$tmpactivity->sectionnum = $cm->sectionnum;
|
|
$tmpactivity->timestamp = $attempt->timefinish;
|
|
|
|
$tmpactivity->content = new stdClass();
|
|
$tmpactivity->content->attemptid = $attempt->id;
|
|
$tmpactivity->content->attempt = $attempt->attempt;
|
|
if (quiz_has_grades($quiz) && $options->marks >= question_display_options::MARK_AND_MAX) {
|
|
$tmpactivity->content->sumgrades = quiz_format_grade($quiz, $attempt->sumgrades);
|
|
$tmpactivity->content->maxgrade = quiz_format_grade($quiz, $quiz->sumgrades);
|
|
} else {
|
|
$tmpactivity->content->sumgrades = null;
|
|
$tmpactivity->content->maxgrade = null;
|
|
}
|
|
|
|
$tmpactivity->user = user_picture::unalias($attempt, null, 'useridagain');
|
|
$tmpactivity->user->fullname = fullname($tmpactivity->user, $viewfullnames);
|
|
|
|
$activities[$index++] = $tmpactivity;
|
|
}
|
|
}
|
|
|
|
function quiz_print_recent_mod_activity($activity, $courseid, $detail, $modnames) {
|
|
global $CFG, $OUTPUT;
|
|
|
|
echo '<table border="0" cellpadding="3" cellspacing="0" class="forum-recent">';
|
|
|
|
echo '<tr><td class="userpicture" valign="top">';
|
|
echo $OUTPUT->user_picture($activity->user, array('courseid' => $courseid));
|
|
echo '</td><td>';
|
|
|
|
if ($detail) {
|
|
$modname = $modnames[$activity->type];
|
|
echo '<div class="title">';
|
|
echo $OUTPUT->image_icon('icon', $modname, $activity->type);
|
|
echo '<a href="' . $CFG->wwwroot . '/mod/quiz/view.php?id=' .
|
|
$activity->cmid . '">' . $activity->name . '</a>';
|
|
echo '</div>';
|
|
}
|
|
|
|
echo '<div class="grade">';
|
|
echo get_string('attempt', 'quiz', $activity->content->attempt);
|
|
if (isset($activity->content->maxgrade)) {
|
|
$grades = $activity->content->sumgrades . ' / ' . $activity->content->maxgrade;
|
|
echo ': (<a href="' . $CFG->wwwroot . '/mod/quiz/review.php?attempt=' .
|
|
$activity->content->attemptid . '">' . $grades . '</a>)';
|
|
}
|
|
echo '</div>';
|
|
|
|
echo '<div class="user">';
|
|
echo '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $activity->user->id .
|
|
'&course=' . $courseid . '">' . $activity->user->fullname .
|
|
'</a> - ' . userdate($activity->timestamp);
|
|
echo '</div>';
|
|
|
|
echo '</td></tr></table>';
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Pre-process the quiz options form data, making any necessary adjustments.
|
|
* Called by add/update instance in this file.
|
|
*
|
|
* @param object $quiz The variables set on the form.
|
|
*/
|
|
function quiz_process_options($quiz) {
|
|
global $CFG;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
|
|
$quiz->timemodified = time();
|
|
|
|
// Quiz name.
|
|
if (!empty($quiz->name)) {
|
|
$quiz->name = trim($quiz->name);
|
|
}
|
|
|
|
// Password field - different in form to stop browsers that remember passwords
|
|
// getting confused.
|
|
$quiz->password = $quiz->quizpassword;
|
|
unset($quiz->quizpassword);
|
|
|
|
// Quiz feedback.
|
|
if (isset($quiz->feedbacktext)) {
|
|
// Clean up the boundary text.
|
|
for ($i = 0; $i < count($quiz->feedbacktext); $i += 1) {
|
|
if (empty($quiz->feedbacktext[$i]['text'])) {
|
|
$quiz->feedbacktext[$i]['text'] = '';
|
|
} else {
|
|
$quiz->feedbacktext[$i]['text'] = trim($quiz->feedbacktext[$i]['text']);
|
|
}
|
|
}
|
|
|
|
// Check the boundary value is a number or a percentage, and in range.
|
|
$i = 0;
|
|
while (!empty($quiz->feedbackboundaries[$i])) {
|
|
$boundary = trim($quiz->feedbackboundaries[$i]);
|
|
if (!is_numeric($boundary)) {
|
|
if (strlen($boundary) > 0 && $boundary[strlen($boundary) - 1] == '%') {
|
|
$boundary = trim(substr($boundary, 0, -1));
|
|
if (is_numeric($boundary)) {
|
|
$boundary = $boundary * $quiz->grade / 100.0;
|
|
} else {
|
|
return get_string('feedbackerrorboundaryformat', 'quiz', $i + 1);
|
|
}
|
|
}
|
|
}
|
|
if ($boundary <= 0 || $boundary >= $quiz->grade) {
|
|
return get_string('feedbackerrorboundaryoutofrange', 'quiz', $i + 1);
|
|
}
|
|
if ($i > 0 && $boundary >= $quiz->feedbackboundaries[$i - 1]) {
|
|
return get_string('feedbackerrororder', 'quiz', $i + 1);
|
|
}
|
|
$quiz->feedbackboundaries[$i] = $boundary;
|
|
$i += 1;
|
|
}
|
|
$numboundaries = $i;
|
|
|
|
// Check there is nothing in the remaining unused fields.
|
|
if (!empty($quiz->feedbackboundaries)) {
|
|
for ($i = $numboundaries; $i < count($quiz->feedbackboundaries); $i += 1) {
|
|
if (!empty($quiz->feedbackboundaries[$i]) &&
|
|
trim($quiz->feedbackboundaries[$i]) != '') {
|
|
return get_string('feedbackerrorjunkinboundary', 'quiz', $i + 1);
|
|
}
|
|
}
|
|
}
|
|
for ($i = $numboundaries + 1; $i < count($quiz->feedbacktext); $i += 1) {
|
|
if (!empty($quiz->feedbacktext[$i]['text']) &&
|
|
trim($quiz->feedbacktext[$i]['text']) != '') {
|
|
return get_string('feedbackerrorjunkinfeedback', 'quiz', $i + 1);
|
|
}
|
|
}
|
|
// Needs to be bigger than $quiz->grade because of '<' test in quiz_feedback_for_grade().
|
|
$quiz->feedbackboundaries[-1] = $quiz->grade + 1;
|
|
$quiz->feedbackboundaries[$numboundaries] = 0;
|
|
$quiz->feedbackboundarycount = $numboundaries;
|
|
} else {
|
|
$quiz->feedbackboundarycount = -1;
|
|
}
|
|
|
|
// Combing the individual settings into the review columns.
|
|
$quiz->reviewattempt = quiz_review_option_form_to_db($quiz, 'attempt');
|
|
$quiz->reviewcorrectness = quiz_review_option_form_to_db($quiz, 'correctness');
|
|
$quiz->reviewmarks = quiz_review_option_form_to_db($quiz, 'marks');
|
|
$quiz->reviewspecificfeedback = quiz_review_option_form_to_db($quiz, 'specificfeedback');
|
|
$quiz->reviewgeneralfeedback = quiz_review_option_form_to_db($quiz, 'generalfeedback');
|
|
$quiz->reviewrightanswer = quiz_review_option_form_to_db($quiz, 'rightanswer');
|
|
$quiz->reviewoverallfeedback = quiz_review_option_form_to_db($quiz, 'overallfeedback');
|
|
$quiz->reviewattempt |= mod_quiz_display_options::DURING;
|
|
$quiz->reviewoverallfeedback &= ~mod_quiz_display_options::DURING;
|
|
}
|
|
|
|
/**
|
|
* Helper function for {@link quiz_process_options()}.
|
|
* @param object $fromform the sumbitted form date.
|
|
* @param string $field one of the review option field names.
|
|
*/
|
|
function quiz_review_option_form_to_db($fromform, $field) {
|
|
static $times = array(
|
|
'during' => mod_quiz_display_options::DURING,
|
|
'immediately' => mod_quiz_display_options::IMMEDIATELY_AFTER,
|
|
'open' => mod_quiz_display_options::LATER_WHILE_OPEN,
|
|
'closed' => mod_quiz_display_options::AFTER_CLOSE,
|
|
);
|
|
|
|
$review = 0;
|
|
foreach ($times as $whenname => $when) {
|
|
$fieldname = $field . $whenname;
|
|
if (isset($fromform->$fieldname)) {
|
|
$review |= $when;
|
|
unset($fromform->$fieldname);
|
|
}
|
|
}
|
|
|
|
return $review;
|
|
}
|
|
|
|
/**
|
|
* This function is called at the end of quiz_add_instance
|
|
* and quiz_update_instance, to do the common processing.
|
|
*
|
|
* @param object $quiz the quiz object.
|
|
*/
|
|
function quiz_after_add_or_update($quiz) {
|
|
global $DB;
|
|
$cmid = $quiz->coursemodule;
|
|
|
|
// We need to use context now, so we need to make sure all needed info is already in db.
|
|
$DB->set_field('course_modules', 'instance', $quiz->id, array('id'=>$cmid));
|
|
$context = context_module::instance($cmid);
|
|
|
|
// Save the feedback.
|
|
$DB->delete_records('quiz_feedback', array('quizid' => $quiz->id));
|
|
|
|
for ($i = 0; $i <= $quiz->feedbackboundarycount; $i++) {
|
|
$feedback = new stdClass();
|
|
$feedback->quizid = $quiz->id;
|
|
$feedback->feedbacktext = $quiz->feedbacktext[$i]['text'];
|
|
$feedback->feedbacktextformat = $quiz->feedbacktext[$i]['format'];
|
|
$feedback->mingrade = $quiz->feedbackboundaries[$i];
|
|
$feedback->maxgrade = $quiz->feedbackboundaries[$i - 1];
|
|
$feedback->id = $DB->insert_record('quiz_feedback', $feedback);
|
|
$feedbacktext = file_save_draft_area_files((int)$quiz->feedbacktext[$i]['itemid'],
|
|
$context->id, 'mod_quiz', 'feedback', $feedback->id,
|
|
array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0),
|
|
$quiz->feedbacktext[$i]['text']);
|
|
$DB->set_field('quiz_feedback', 'feedbacktext', $feedbacktext,
|
|
array('id' => $feedback->id));
|
|
}
|
|
|
|
// Store any settings belonging to the access rules.
|
|
quiz_access_manager::save_settings($quiz);
|
|
|
|
// Update the events relating to this quiz.
|
|
quiz_update_events($quiz);
|
|
$completionexpected = (!empty($quiz->completionexpected)) ? $quiz->completionexpected : null;
|
|
\core_completion\api::update_completion_date_event($quiz->coursemodule, 'quiz', $quiz->id, $completionexpected);
|
|
|
|
// Update related grade item.
|
|
quiz_grade_item_update($quiz);
|
|
}
|
|
|
|
/**
|
|
* This function updates the events associated to the quiz.
|
|
* If $override is non-zero, then it updates only the events
|
|
* associated with the specified override.
|
|
*
|
|
* @uses QUIZ_MAX_EVENT_LENGTH
|
|
* @param object $quiz the quiz object.
|
|
* @param object optional $override limit to a specific override
|
|
*/
|
|
function quiz_update_events($quiz, $override = null) {
|
|
global $DB;
|
|
|
|
// Load the old events relating to this quiz.
|
|
$conds = array('modulename'=>'quiz',
|
|
'instance'=>$quiz->id);
|
|
if (!empty($override)) {
|
|
// Only load events for this override.
|
|
if (isset($override->userid)) {
|
|
$conds['userid'] = $override->userid;
|
|
} else {
|
|
$conds['groupid'] = $override->groupid;
|
|
}
|
|
}
|
|
$oldevents = $DB->get_records('event', $conds, 'id ASC');
|
|
|
|
// Now make a to-do list of all that needs to be updated.
|
|
if (empty($override)) {
|
|
// We are updating the primary settings for the quiz, so we need to add all the overrides.
|
|
$overrides = $DB->get_records('quiz_overrides', array('quiz' => $quiz->id), 'id ASC');
|
|
// It is necessary to add an empty stdClass to the beginning of the array as the $oldevents
|
|
// list contains the original (non-override) event for the module. If this is not included
|
|
// the logic below will end up updating the wrong row when we try to reconcile this $overrides
|
|
// list against the $oldevents list.
|
|
array_unshift($overrides, new stdClass());
|
|
} else {
|
|
// Just do the one override.
|
|
$overrides = array($override);
|
|
}
|
|
|
|
// Get group override priorities.
|
|
$grouppriorities = quiz_get_group_override_priorities($quiz->id);
|
|
|
|
foreach ($overrides as $current) {
|
|
$groupid = isset($current->groupid)? $current->groupid : 0;
|
|
$userid = isset($current->userid)? $current->userid : 0;
|
|
$timeopen = isset($current->timeopen)? $current->timeopen : $quiz->timeopen;
|
|
$timeclose = isset($current->timeclose)? $current->timeclose : $quiz->timeclose;
|
|
|
|
// Only add open/close events for an override if they differ from the quiz default.
|
|
$addopen = empty($current->id) || !empty($current->timeopen);
|
|
$addclose = empty($current->id) || !empty($current->timeclose);
|
|
|
|
if (!empty($quiz->coursemodule)) {
|
|
$cmid = $quiz->coursemodule;
|
|
} else {
|
|
$cmid = get_coursemodule_from_instance('quiz', $quiz->id, $quiz->course)->id;
|
|
}
|
|
|
|
$event = new stdClass();
|
|
$event->type = !$timeclose ? CALENDAR_EVENT_TYPE_ACTION : CALENDAR_EVENT_TYPE_STANDARD;
|
|
$event->description = format_module_intro('quiz', $quiz, $cmid);
|
|
// Events module won't show user events when the courseid is nonzero.
|
|
$event->courseid = ($userid) ? 0 : $quiz->course;
|
|
$event->groupid = $groupid;
|
|
$event->userid = $userid;
|
|
$event->modulename = 'quiz';
|
|
$event->instance = $quiz->id;
|
|
$event->timestart = $timeopen;
|
|
$event->timeduration = max($timeclose - $timeopen, 0);
|
|
$event->timesort = $timeopen;
|
|
$event->visible = instance_is_visible('quiz', $quiz);
|
|
$event->eventtype = QUIZ_EVENT_TYPE_OPEN;
|
|
$event->priority = null;
|
|
|
|
// Determine the event name and priority.
|
|
if ($groupid) {
|
|
// Group override event.
|
|
$params = new stdClass();
|
|
$params->quiz = $quiz->name;
|
|
$params->group = groups_get_group_name($groupid);
|
|
if ($params->group === false) {
|
|
// Group doesn't exist, just skip it.
|
|
continue;
|
|
}
|
|
$eventname = get_string('overridegroupeventname', 'quiz', $params);
|
|
// Set group override priority.
|
|
if ($grouppriorities !== null) {
|
|
$openpriorities = $grouppriorities['open'];
|
|
if (isset($openpriorities[$timeopen])) {
|
|
$event->priority = $openpriorities[$timeopen];
|
|
}
|
|
}
|
|
} else if ($userid) {
|
|
// User override event.
|
|
$params = new stdClass();
|
|
$params->quiz = $quiz->name;
|
|
$eventname = get_string('overrideusereventname', 'quiz', $params);
|
|
// Set user override priority.
|
|
$event->priority = CALENDAR_EVENT_USER_OVERRIDE_PRIORITY;
|
|
} else {
|
|
// The parent event.
|
|
$eventname = $quiz->name;
|
|
}
|
|
|
|
if ($addopen or $addclose) {
|
|
// Separate start and end events.
|
|
$event->timeduration = 0;
|
|
if ($timeopen && $addopen) {
|
|
if ($oldevent = array_shift($oldevents)) {
|
|
$event->id = $oldevent->id;
|
|
} else {
|
|
unset($event->id);
|
|
}
|
|
$event->name = get_string('quizeventopens', 'quiz', $eventname);
|
|
// The method calendar_event::create will reuse a db record if the id field is set.
|
|
calendar_event::create($event, false);
|
|
}
|
|
if ($timeclose && $addclose) {
|
|
if ($oldevent = array_shift($oldevents)) {
|
|
$event->id = $oldevent->id;
|
|
} else {
|
|
unset($event->id);
|
|
}
|
|
$event->type = CALENDAR_EVENT_TYPE_ACTION;
|
|
$event->name = get_string('quizeventcloses', 'quiz', $eventname);
|
|
$event->timestart = $timeclose;
|
|
$event->timesort = $timeclose;
|
|
$event->eventtype = QUIZ_EVENT_TYPE_CLOSE;
|
|
if ($groupid && $grouppriorities !== null) {
|
|
$closepriorities = $grouppriorities['close'];
|
|
if (isset($closepriorities[$timeclose])) {
|
|
$event->priority = $closepriorities[$timeclose];
|
|
}
|
|
}
|
|
calendar_event::create($event, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Delete any leftover events.
|
|
foreach ($oldevents as $badevent) {
|
|
$badevent = calendar_event::load($badevent);
|
|
$badevent->delete();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Calculates the priorities of timeopen and timeclose values for group overrides for a quiz.
|
|
*
|
|
* @param int $quizid The quiz ID.
|
|
* @return array|null Array of group override priorities for open and close times. Null if there are no group overrides.
|
|
*/
|
|
function quiz_get_group_override_priorities($quizid) {
|
|
global $DB;
|
|
|
|
// Fetch group overrides.
|
|
$where = 'quiz = :quiz AND groupid IS NOT NULL';
|
|
$params = ['quiz' => $quizid];
|
|
$overrides = $DB->get_records_select('quiz_overrides', $where, $params, '', 'id, timeopen, timeclose');
|
|
if (!$overrides) {
|
|
return null;
|
|
}
|
|
|
|
$grouptimeopen = [];
|
|
$grouptimeclose = [];
|
|
foreach ($overrides as $override) {
|
|
if ($override->timeopen !== null && !in_array($override->timeopen, $grouptimeopen)) {
|
|
$grouptimeopen[] = $override->timeopen;
|
|
}
|
|
if ($override->timeclose !== null && !in_array($override->timeclose, $grouptimeclose)) {
|
|
$grouptimeclose[] = $override->timeclose;
|
|
}
|
|
}
|
|
|
|
// Sort open times in ascending manner. The earlier open time gets higher priority.
|
|
sort($grouptimeopen);
|
|
// Set priorities.
|
|
$opengrouppriorities = [];
|
|
$openpriority = 1;
|
|
foreach ($grouptimeopen as $timeopen) {
|
|
$opengrouppriorities[$timeopen] = $openpriority++;
|
|
}
|
|
|
|
// Sort close times in descending manner. The later close time gets higher priority.
|
|
rsort($grouptimeclose);
|
|
// Set priorities.
|
|
$closegrouppriorities = [];
|
|
$closepriority = 1;
|
|
foreach ($grouptimeclose as $timeclose) {
|
|
$closegrouppriorities[$timeclose] = $closepriority++;
|
|
}
|
|
|
|
return [
|
|
'open' => $opengrouppriorities,
|
|
'close' => $closegrouppriorities
|
|
];
|
|
}
|
|
|
|
/**
|
|
* List the actions that correspond to a view of this module.
|
|
* This is used by the participation report.
|
|
*
|
|
* Note: This is not used by new logging system. Event with
|
|
* crud = 'r' and edulevel = LEVEL_PARTICIPATING will
|
|
* be considered as view action.
|
|
*
|
|
* @return array
|
|
*/
|
|
function quiz_get_view_actions() {
|
|
return array('view', 'view all', 'report', 'review');
|
|
}
|
|
|
|
/**
|
|
* List the actions that correspond to a post of this module.
|
|
* This is used by the participation report.
|
|
*
|
|
* Note: This is not used by new logging system. Event with
|
|
* crud = ('c' || 'u' || 'd') and edulevel = LEVEL_PARTICIPATING
|
|
* will be considered as post action.
|
|
*
|
|
* @return array
|
|
*/
|
|
function quiz_get_post_actions() {
|
|
return array('attempt', 'close attempt', 'preview', 'editquestions',
|
|
'delete attempt', 'manualgrade');
|
|
}
|
|
|
|
/**
|
|
* @param array $questionids of question ids.
|
|
* @return bool whether any of these questions are used by any instance of this module.
|
|
*/
|
|
function quiz_questions_in_use($questionids) {
|
|
global $DB, $CFG;
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
list($test, $params) = $DB->get_in_or_equal($questionids);
|
|
return $DB->record_exists_select('quiz_slots',
|
|
'questionid ' . $test, $params) || question_engine::questions_in_use(
|
|
$questionids, new qubaid_join('{quiz_attempts} quiza',
|
|
'quiza.uniqueid', 'quiza.preview = 0'));
|
|
}
|
|
|
|
/**
|
|
* Implementation of the function for printing the form elements that control
|
|
* whether the course reset functionality affects the quiz.
|
|
*
|
|
* @param $mform the course reset form that is being built.
|
|
*/
|
|
function quiz_reset_course_form_definition($mform) {
|
|
$mform->addElement('header', 'quizheader', get_string('modulenameplural', 'quiz'));
|
|
$mform->addElement('advcheckbox', 'reset_quiz_attempts',
|
|
get_string('removeallquizattempts', 'quiz'));
|
|
$mform->addElement('advcheckbox', 'reset_quiz_user_overrides',
|
|
get_string('removealluseroverrides', 'quiz'));
|
|
$mform->addElement('advcheckbox', 'reset_quiz_group_overrides',
|
|
get_string('removeallgroupoverrides', 'quiz'));
|
|
}
|
|
|
|
/**
|
|
* Course reset form defaults.
|
|
* @return array the defaults.
|
|
*/
|
|
function quiz_reset_course_form_defaults($course) {
|
|
return array('reset_quiz_attempts' => 1,
|
|
'reset_quiz_group_overrides' => 1,
|
|
'reset_quiz_user_overrides' => 1);
|
|
}
|
|
|
|
/**
|
|
* Removes all grades from gradebook
|
|
*
|
|
* @param int $courseid
|
|
* @param string optional type
|
|
*/
|
|
function quiz_reset_gradebook($courseid, $type='') {
|
|
global $CFG, $DB;
|
|
|
|
$quizzes = $DB->get_records_sql("
|
|
SELECT q.*, cm.idnumber as cmidnumber, q.course as courseid
|
|
FROM {modules} m
|
|
JOIN {course_modules} cm ON m.id = cm.module
|
|
JOIN {quiz} q ON cm.instance = q.id
|
|
WHERE m.name = 'quiz' AND cm.course = ?", array($courseid));
|
|
|
|
foreach ($quizzes as $quiz) {
|
|
quiz_grade_item_update($quiz, 'reset');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Actual implementation of the reset course functionality, delete all the
|
|
* quiz attempts for course $data->courseid, if $data->reset_quiz_attempts is
|
|
* set and true.
|
|
*
|
|
* Also, move the quiz open and close dates, if the course start date is changing.
|
|
*
|
|
* @param object $data the data submitted from the reset course.
|
|
* @return array status array
|
|
*/
|
|
function quiz_reset_userdata($data) {
|
|
global $CFG, $DB;
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
|
|
$componentstr = get_string('modulenameplural', 'quiz');
|
|
$status = array();
|
|
|
|
// Delete attempts.
|
|
if (!empty($data->reset_quiz_attempts)) {
|
|
question_engine::delete_questions_usage_by_activities(new qubaid_join(
|
|
'{quiz_attempts} quiza JOIN {quiz} quiz ON quiza.quiz = quiz.id',
|
|
'quiza.uniqueid', 'quiz.course = :quizcourseid',
|
|
array('quizcourseid' => $data->courseid)));
|
|
|
|
$DB->delete_records_select('quiz_attempts',
|
|
'quiz IN (SELECT id FROM {quiz} WHERE course = ?)', array($data->courseid));
|
|
$status[] = array(
|
|
'component' => $componentstr,
|
|
'item' => get_string('attemptsdeleted', 'quiz'),
|
|
'error' => false);
|
|
|
|
// Remove all grades from gradebook.
|
|
$DB->delete_records_select('quiz_grades',
|
|
'quiz IN (SELECT id FROM {quiz} WHERE course = ?)', array($data->courseid));
|
|
if (empty($data->reset_gradebook_grades)) {
|
|
quiz_reset_gradebook($data->courseid);
|
|
}
|
|
$status[] = array(
|
|
'component' => $componentstr,
|
|
'item' => get_string('gradesdeleted', 'quiz'),
|
|
'error' => false);
|
|
}
|
|
|
|
// Remove user overrides.
|
|
if (!empty($data->reset_quiz_user_overrides)) {
|
|
$DB->delete_records_select('quiz_overrides',
|
|
'quiz IN (SELECT id FROM {quiz} WHERE course = ?) AND userid IS NOT NULL', array($data->courseid));
|
|
$status[] = array(
|
|
'component' => $componentstr,
|
|
'item' => get_string('useroverridesdeleted', 'quiz'),
|
|
'error' => false);
|
|
}
|
|
// Remove group overrides.
|
|
if (!empty($data->reset_quiz_group_overrides)) {
|
|
$DB->delete_records_select('quiz_overrides',
|
|
'quiz IN (SELECT id FROM {quiz} WHERE course = ?) AND groupid IS NOT NULL', array($data->courseid));
|
|
$status[] = array(
|
|
'component' => $componentstr,
|
|
'item' => get_string('groupoverridesdeleted', 'quiz'),
|
|
'error' => false);
|
|
}
|
|
|
|
// Updating dates - shift may be negative too.
|
|
if ($data->timeshift) {
|
|
$DB->execute("UPDATE {quiz_overrides}
|
|
SET timeopen = timeopen + ?
|
|
WHERE quiz IN (SELECT id FROM {quiz} WHERE course = ?)
|
|
AND timeopen <> 0", array($data->timeshift, $data->courseid));
|
|
$DB->execute("UPDATE {quiz_overrides}
|
|
SET timeclose = timeclose + ?
|
|
WHERE quiz IN (SELECT id FROM {quiz} WHERE course = ?)
|
|
AND timeclose <> 0", array($data->timeshift, $data->courseid));
|
|
|
|
// Any changes to the list of dates that needs to be rolled should be same during course restore and course reset.
|
|
// See MDL-9367.
|
|
shift_course_mod_dates('quiz', array('timeopen', 'timeclose'),
|
|
$data->timeshift, $data->courseid);
|
|
|
|
$status[] = array(
|
|
'component' => $componentstr,
|
|
'item' => get_string('openclosedatesupdated', 'quiz'),
|
|
'error' => false);
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Prints quiz summaries on MyMoodle Page
|
|
*
|
|
* @deprecated since 3.3
|
|
* @todo The final deprecation of this function will take place in Moodle 3.7 - see MDL-57487.
|
|
* @param array $courses
|
|
* @param array $htmlarray
|
|
*/
|
|
function quiz_print_overview($courses, &$htmlarray) {
|
|
global $USER, $CFG;
|
|
|
|
debugging('The function quiz_print_overview() is now deprecated.', DEBUG_DEVELOPER);
|
|
|
|
// These next 6 Lines are constant in all modules (just change module name).
|
|
if (empty($courses) || !is_array($courses) || count($courses) == 0) {
|
|
return array();
|
|
}
|
|
|
|
if (!$quizzes = get_all_instances_in_courses('quiz', $courses)) {
|
|
return;
|
|
}
|
|
|
|
// Get the quizzes attempts.
|
|
$attemptsinfo = [];
|
|
$quizids = [];
|
|
foreach ($quizzes as $quiz) {
|
|
$quizids[] = $quiz->id;
|
|
$attemptsinfo[$quiz->id] = ['count' => 0, 'hasfinished' => false];
|
|
}
|
|
$attempts = quiz_get_user_attempts($quizids, $USER->id);
|
|
foreach ($attempts as $attempt) {
|
|
$attemptsinfo[$attempt->quiz]['count']++;
|
|
$attemptsinfo[$attempt->quiz]['hasfinished'] = true;
|
|
}
|
|
unset($attempts);
|
|
|
|
// Fetch some language strings outside the main loop.
|
|
$strquiz = get_string('modulename', 'quiz');
|
|
$strnoattempts = get_string('noattempts', 'quiz');
|
|
|
|
// We want to list quizzes that are currently available, and which have a close date.
|
|
// This is the same as what the lesson does, and the dabate is in MDL-10568.
|
|
$now = time();
|
|
foreach ($quizzes as $quiz) {
|
|
if ($quiz->timeclose >= $now && $quiz->timeopen < $now) {
|
|
$str = '';
|
|
|
|
// Now provide more information depending on the uers's role.
|
|
$context = context_module::instance($quiz->coursemodule);
|
|
if (has_capability('mod/quiz:viewreports', $context)) {
|
|
// For teacher-like people, show a summary of the number of student attempts.
|
|
// The $quiz objects returned by get_all_instances_in_course have the necessary $cm
|
|
// fields set to make the following call work.
|
|
$str .= '<div class="info">' . quiz_num_attempt_summary($quiz, $quiz, true) . '</div>';
|
|
|
|
} else if (has_any_capability(array('mod/quiz:reviewmyattempts', 'mod/quiz:attempt'), $context)) { // Student
|
|
// For student-like people, tell them how many attempts they have made.
|
|
|
|
if (isset($USER->id)) {
|
|
if ($attemptsinfo[$quiz->id]['hasfinished']) {
|
|
// The student's last attempt is finished.
|
|
continue;
|
|
}
|
|
|
|
if ($attemptsinfo[$quiz->id]['count'] > 0) {
|
|
$str .= '<div class="info">' .
|
|
get_string('numattemptsmade', 'quiz', $attemptsinfo[$quiz->id]['count']) . '</div>';
|
|
} else {
|
|
$str .= '<div class="info">' . $strnoattempts . '</div>';
|
|
}
|
|
|
|
} else {
|
|
$str .= '<div class="info">' . $strnoattempts . '</div>';
|
|
}
|
|
|
|
} else {
|
|
// For ayone else, there is no point listing this quiz, so stop processing.
|
|
continue;
|
|
}
|
|
|
|
// Give a link to the quiz, and the deadline.
|
|
$html = '<div class="quiz overview">' .
|
|
'<div class="name">' . $strquiz . ': <a ' .
|
|
($quiz->visible ? '' : ' class="dimmed"') .
|
|
' href="' . $CFG->wwwroot . '/mod/quiz/view.php?id=' .
|
|
$quiz->coursemodule . '">' .
|
|
$quiz->name . '</a></div>';
|
|
$html .= '<div class="info">' . get_string('quizcloseson', 'quiz',
|
|
userdate($quiz->timeclose)) . '</div>';
|
|
$html .= $str;
|
|
$html .= '</div>';
|
|
if (empty($htmlarray[$quiz->course]['quiz'])) {
|
|
$htmlarray[$quiz->course]['quiz'] = $html;
|
|
} else {
|
|
$htmlarray[$quiz->course]['quiz'] .= $html;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a textual summary of the number of attempts that have been made at a particular quiz,
|
|
* returns '' if no attempts have been made yet, unless $returnzero is passed as true.
|
|
*
|
|
* @param object $quiz the quiz object. Only $quiz->id is used at the moment.
|
|
* @param object $cm the cm object. Only $cm->course, $cm->groupmode and
|
|
* $cm->groupingid fields are used at the moment.
|
|
* @param bool $returnzero if false (default), when no attempts have been
|
|
* made '' is returned instead of 'Attempts: 0'.
|
|
* @param int $currentgroup if there is a concept of current group where this method is being called
|
|
* (e.g. a report) pass it in here. Default 0 which means no current group.
|
|
* @return string a string like "Attempts: 123", "Attemtps 123 (45 from your groups)" or
|
|
* "Attemtps 123 (45 from this group)".
|
|
*/
|
|
function quiz_num_attempt_summary($quiz, $cm, $returnzero = false, $currentgroup = 0) {
|
|
global $DB, $USER;
|
|
$numattempts = $DB->count_records('quiz_attempts', array('quiz'=> $quiz->id, 'preview'=>0));
|
|
if ($numattempts || $returnzero) {
|
|
if (groups_get_activity_groupmode($cm)) {
|
|
$a = new stdClass();
|
|
$a->total = $numattempts;
|
|
if ($currentgroup) {
|
|
$a->group = $DB->count_records_sql('SELECT COUNT(DISTINCT qa.id) FROM ' .
|
|
'{quiz_attempts} qa JOIN ' .
|
|
'{groups_members} gm ON qa.userid = gm.userid ' .
|
|
'WHERE quiz = ? AND preview = 0 AND groupid = ?',
|
|
array($quiz->id, $currentgroup));
|
|
return get_string('attemptsnumthisgroup', 'quiz', $a);
|
|
} else if ($groups = groups_get_all_groups($cm->course, $USER->id, $cm->groupingid)) {
|
|
list($usql, $params) = $DB->get_in_or_equal(array_keys($groups));
|
|
$a->group = $DB->count_records_sql('SELECT COUNT(DISTINCT qa.id) FROM ' .
|
|
'{quiz_attempts} qa JOIN ' .
|
|
'{groups_members} gm ON qa.userid = gm.userid ' .
|
|
'WHERE quiz = ? AND preview = 0 AND ' .
|
|
"groupid $usql", array_merge(array($quiz->id), $params));
|
|
return get_string('attemptsnumyourgroups', 'quiz', $a);
|
|
}
|
|
}
|
|
return get_string('attemptsnum', 'quiz', $numattempts);
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Returns the same as {@link quiz_num_attempt_summary()} but wrapped in a link
|
|
* to the quiz reports.
|
|
*
|
|
* @param object $quiz the quiz object. Only $quiz->id is used at the moment.
|
|
* @param object $cm the cm object. Only $cm->course, $cm->groupmode and
|
|
* $cm->groupingid fields are used at the moment.
|
|
* @param object $context the quiz context.
|
|
* @param bool $returnzero if false (default), when no attempts have been made
|
|
* '' is returned instead of 'Attempts: 0'.
|
|
* @param int $currentgroup if there is a concept of current group where this method is being called
|
|
* (e.g. a report) pass it in here. Default 0 which means no current group.
|
|
* @return string HTML fragment for the link.
|
|
*/
|
|
function quiz_attempt_summary_link_to_reports($quiz, $cm, $context, $returnzero = false,
|
|
$currentgroup = 0) {
|
|
global $CFG;
|
|
$summary = quiz_num_attempt_summary($quiz, $cm, $returnzero, $currentgroup);
|
|
if (!$summary) {
|
|
return '';
|
|
}
|
|
|
|
require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
|
|
$url = new moodle_url('/mod/quiz/report.php', array(
|
|
'id' => $cm->id, 'mode' => quiz_report_default_report($context)));
|
|
return html_writer::link($url, $summary);
|
|
}
|
|
|
|
/**
|
|
* @param string $feature FEATURE_xx constant for requested feature
|
|
* @return bool True if quiz supports feature
|
|
*/
|
|
function quiz_supports($feature) {
|
|
switch($feature) {
|
|
case FEATURE_GROUPS: return true;
|
|
case FEATURE_GROUPINGS: return true;
|
|
case FEATURE_MOD_INTRO: return true;
|
|
case FEATURE_COMPLETION_TRACKS_VIEWS: return true;
|
|
case FEATURE_COMPLETION_HAS_RULES: return true;
|
|
case FEATURE_GRADE_HAS_GRADE: return true;
|
|
case FEATURE_GRADE_OUTCOMES: return true;
|
|
case FEATURE_BACKUP_MOODLE2: return true;
|
|
case FEATURE_SHOW_DESCRIPTION: return true;
|
|
case FEATURE_CONTROLS_GRADE_VISIBILITY: return true;
|
|
case FEATURE_USES_QUESTIONS: return true;
|
|
|
|
default: return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return array all other caps used in module
|
|
*/
|
|
function quiz_get_extra_capabilities() {
|
|
global $CFG;
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
return question_get_all_capabilities();
|
|
}
|
|
|
|
/**
|
|
* This function extends the settings navigation block for the site.
|
|
*
|
|
* It is safe to rely on PAGE here as we will only ever be within the module
|
|
* context when this is called
|
|
*
|
|
* @param settings_navigation $settings
|
|
* @param navigation_node $quiznode
|
|
* @return void
|
|
*/
|
|
function quiz_extend_settings_navigation($settings, $quiznode) {
|
|
global $PAGE, $CFG;
|
|
|
|
// Require {@link questionlib.php}
|
|
// Included here as we only ever want to include this file if we really need to.
|
|
require_once($CFG->libdir . '/questionlib.php');
|
|
|
|
// We want to add these new nodes after the Edit settings node, and before the
|
|
// Locally assigned roles node. Of course, both of those are controlled by capabilities.
|
|
$keys = $quiznode->get_children_key_list();
|
|
$beforekey = null;
|
|
$i = array_search('modedit', $keys);
|
|
if ($i === false and array_key_exists(0, $keys)) {
|
|
$beforekey = $keys[0];
|
|
} else if (array_key_exists($i + 1, $keys)) {
|
|
$beforekey = $keys[$i + 1];
|
|
}
|
|
|
|
if (has_capability('mod/quiz:manageoverrides', $PAGE->cm->context)) {
|
|
$url = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$PAGE->cm->id));
|
|
$node = navigation_node::create(get_string('groupoverrides', 'quiz'),
|
|
new moodle_url($url, array('mode'=>'group')),
|
|
navigation_node::TYPE_SETTING, null, 'mod_quiz_groupoverrides');
|
|
$quiznode->add_node($node, $beforekey);
|
|
|
|
$node = navigation_node::create(get_string('useroverrides', 'quiz'),
|
|
new moodle_url($url, array('mode'=>'user')),
|
|
navigation_node::TYPE_SETTING, null, 'mod_quiz_useroverrides');
|
|
$quiznode->add_node($node, $beforekey);
|
|
}
|
|
|
|
if (has_capability('mod/quiz:manage', $PAGE->cm->context)) {
|
|
$node = navigation_node::create(get_string('editquiz', 'quiz'),
|
|
new moodle_url('/mod/quiz/edit.php', array('cmid'=>$PAGE->cm->id)),
|
|
navigation_node::TYPE_SETTING, null, 'mod_quiz_edit',
|
|
new pix_icon('t/edit', ''));
|
|
$quiznode->add_node($node, $beforekey);
|
|
}
|
|
|
|
if (has_capability('mod/quiz:preview', $PAGE->cm->context)) {
|
|
$url = new moodle_url('/mod/quiz/startattempt.php',
|
|
array('cmid'=>$PAGE->cm->id, 'sesskey'=>sesskey()));
|
|
$node = navigation_node::create(get_string('preview', 'quiz'), $url,
|
|
navigation_node::TYPE_SETTING, null, 'mod_quiz_preview',
|
|
new pix_icon('i/preview', ''));
|
|
$quiznode->add_node($node, $beforekey);
|
|
}
|
|
|
|
if (has_any_capability(array('mod/quiz:viewreports', 'mod/quiz:grade'), $PAGE->cm->context)) {
|
|
require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
|
|
$reportlist = quiz_report_list($PAGE->cm->context);
|
|
|
|
$url = new moodle_url('/mod/quiz/report.php',
|
|
array('id' => $PAGE->cm->id, 'mode' => reset($reportlist)));
|
|
$reportnode = $quiznode->add_node(navigation_node::create(get_string('results', 'quiz'), $url,
|
|
navigation_node::TYPE_SETTING,
|
|
null, null, new pix_icon('i/report', '')), $beforekey);
|
|
|
|
foreach ($reportlist as $report) {
|
|
$url = new moodle_url('/mod/quiz/report.php',
|
|
array('id' => $PAGE->cm->id, 'mode' => $report));
|
|
$reportnode->add_node(navigation_node::create(get_string($report, 'quiz_'.$report), $url,
|
|
navigation_node::TYPE_SETTING,
|
|
null, 'quiz_report_' . $report, new pix_icon('i/item', '')));
|
|
}
|
|
}
|
|
|
|
question_extend_settings_navigation($quiznode, $PAGE->cm->context)->trim_if_empty();
|
|
}
|
|
|
|
/**
|
|
* Serves the quiz files.
|
|
*
|
|
* @package mod_quiz
|
|
* @category files
|
|
* @param stdClass $course course object
|
|
* @param stdClass $cm course module object
|
|
* @param stdClass $context context object
|
|
* @param string $filearea file area
|
|
* @param array $args extra arguments
|
|
* @param bool $forcedownload whether or not force download
|
|
* @param array $options additional options affecting the file serving
|
|
* @return bool false if file not found, does not return if found - justsend the file
|
|
*/
|
|
function quiz_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options=array()) {
|
|
global $CFG, $DB;
|
|
|
|
if ($context->contextlevel != CONTEXT_MODULE) {
|
|
return false;
|
|
}
|
|
|
|
require_login($course, false, $cm);
|
|
|
|
if (!$quiz = $DB->get_record('quiz', array('id'=>$cm->instance))) {
|
|
return false;
|
|
}
|
|
|
|
// The 'intro' area is served by pluginfile.php.
|
|
$fileareas = array('feedback');
|
|
if (!in_array($filearea, $fileareas)) {
|
|
return false;
|
|
}
|
|
|
|
$feedbackid = (int)array_shift($args);
|
|
if (!$feedback = $DB->get_record('quiz_feedback', array('id'=>$feedbackid))) {
|
|
return false;
|
|
}
|
|
|
|
$fs = get_file_storage();
|
|
$relativepath = implode('/', $args);
|
|
$fullpath = "/$context->id/mod_quiz/$filearea/$feedbackid/$relativepath";
|
|
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
|
|
return false;
|
|
}
|
|
send_stored_file($file, 0, 0, true, $options);
|
|
}
|
|
|
|
/**
|
|
* Called via pluginfile.php -> question_pluginfile to serve files belonging to
|
|
* a question in a question_attempt when that attempt is a quiz attempt.
|
|
*
|
|
* @package mod_quiz
|
|
* @category files
|
|
* @param stdClass $course course settings object
|
|
* @param stdClass $context context object
|
|
* @param string $component the name of the component we are serving files for.
|
|
* @param string $filearea the name of the file area.
|
|
* @param int $qubaid the attempt usage id.
|
|
* @param int $slot the id of a question in this quiz attempt.
|
|
* @param array $args the remaining bits of the file path.
|
|
* @param bool $forcedownload whether the user must be forced to download the file.
|
|
* @param array $options additional options affecting the file serving
|
|
* @return bool false if file not found, does not return if found - justsend the file
|
|
*/
|
|
function quiz_question_pluginfile($course, $context, $component,
|
|
$filearea, $qubaid, $slot, $args, $forcedownload, array $options=array()) {
|
|
global $CFG;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
$attemptobj = quiz_attempt::create_from_usage_id($qubaid);
|
|
require_login($attemptobj->get_course(), false, $attemptobj->get_cm());
|
|
|
|
if ($attemptobj->is_own_attempt() && !$attemptobj->is_finished()) {
|
|
// In the middle of an attempt.
|
|
if (!$attemptobj->is_preview_user()) {
|
|
$attemptobj->require_capability('mod/quiz:attempt');
|
|
}
|
|
$isreviewing = false;
|
|
|
|
} else {
|
|
// Reviewing an attempt.
|
|
$attemptobj->check_review_capability();
|
|
$isreviewing = true;
|
|
}
|
|
|
|
if (!$attemptobj->check_file_access($slot, $isreviewing, $context->id,
|
|
$component, $filearea, $args, $forcedownload)) {
|
|
send_file_not_found();
|
|
}
|
|
|
|
$fs = get_file_storage();
|
|
$relativepath = implode('/', $args);
|
|
$fullpath = "/$context->id/$component/$filearea/$relativepath";
|
|
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
|
|
send_file_not_found();
|
|
}
|
|
|
|
send_stored_file($file, 0, 0, $forcedownload, $options);
|
|
}
|
|
|
|
/**
|
|
* Return a list of page types
|
|
* @param string $pagetype current page type
|
|
* @param stdClass $parentcontext Block's parent context
|
|
* @param stdClass $currentcontext Current context of block
|
|
*/
|
|
function quiz_page_type_list($pagetype, $parentcontext, $currentcontext) {
|
|
$module_pagetype = array(
|
|
'mod-quiz-*' => get_string('page-mod-quiz-x', 'quiz'),
|
|
'mod-quiz-view' => get_string('page-mod-quiz-view', 'quiz'),
|
|
'mod-quiz-attempt' => get_string('page-mod-quiz-attempt', 'quiz'),
|
|
'mod-quiz-summary' => get_string('page-mod-quiz-summary', 'quiz'),
|
|
'mod-quiz-review' => get_string('page-mod-quiz-review', 'quiz'),
|
|
'mod-quiz-edit' => get_string('page-mod-quiz-edit', 'quiz'),
|
|
'mod-quiz-report' => get_string('page-mod-quiz-report', 'quiz'),
|
|
);
|
|
return $module_pagetype;
|
|
}
|
|
|
|
/**
|
|
* @return the options for quiz navigation.
|
|
*/
|
|
function quiz_get_navigation_options() {
|
|
return array(
|
|
QUIZ_NAVMETHOD_FREE => get_string('navmethod_free', 'quiz'),
|
|
QUIZ_NAVMETHOD_SEQ => get_string('navmethod_seq', 'quiz')
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Obtains the automatic completion state for this quiz on any conditions
|
|
* in quiz settings, such as if all attempts are used or a certain grade is achieved.
|
|
*
|
|
* @param object $course Course
|
|
* @param object $cm Course-module
|
|
* @param int $userid User ID
|
|
* @param bool $type Type of comparison (or/and; can be used as return value if no conditions)
|
|
* @return bool True if completed, false if not. (If no conditions, then return
|
|
* value depends on comparison type)
|
|
*/
|
|
function quiz_get_completion_state($course, $cm, $userid, $type) {
|
|
global $DB;
|
|
global $CFG;
|
|
|
|
$quiz = $DB->get_record('quiz', array('id' => $cm->instance), '*', MUST_EXIST);
|
|
if (!$quiz->completionattemptsexhausted && !$quiz->completionpass) {
|
|
return $type;
|
|
}
|
|
|
|
// Check if the user has used up all attempts.
|
|
if ($quiz->completionattemptsexhausted) {
|
|
$attempts = quiz_get_user_attempts($quiz->id, $userid, 'finished', true);
|
|
if ($attempts) {
|
|
$lastfinishedattempt = end($attempts);
|
|
$context = context_module::instance($cm->id);
|
|
$quizobj = quiz::create($quiz->id, $userid);
|
|
$accessmanager = new quiz_access_manager($quizobj, time(),
|
|
has_capability('mod/quiz:ignoretimelimits', $context, $userid, false));
|
|
if ($accessmanager->is_finished(count($attempts), $lastfinishedattempt)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for passing grade.
|
|
if ($quiz->completionpass) {
|
|
require_once($CFG->libdir . '/gradelib.php');
|
|
$item = grade_item::fetch(array('courseid' => $course->id, 'itemtype' => 'mod',
|
|
'itemmodule' => 'quiz', 'iteminstance' => $cm->instance, 'outcomeid' => null));
|
|
if ($item) {
|
|
$grades = grade_grade::fetch_users_grades($item, array($userid), false);
|
|
if (!empty($grades[$userid])) {
|
|
return $grades[$userid]->is_passed($item);
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if the module has any update that affects the current user since a given time.
|
|
*
|
|
* @param cm_info $cm course module data
|
|
* @param int $from the time to check updates from
|
|
* @param array $filter if we need to check only specific updates
|
|
* @return stdClass an object with the different type of areas indicating if they were updated or not
|
|
* @since Moodle 3.2
|
|
*/
|
|
function quiz_check_updates_since(cm_info $cm, $from, $filter = array()) {
|
|
global $DB, $USER, $CFG;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
$updates = course_check_module_updates_since($cm, $from, array(), $filter);
|
|
|
|
// Check if questions were updated.
|
|
$updates->questions = (object) array('updated' => false);
|
|
$quizobj = quiz::create($cm->instance, $USER->id);
|
|
$quizobj->preload_questions();
|
|
$quizobj->load_questions();
|
|
$questionids = array_keys($quizobj->get_questions());
|
|
if (!empty($questionids)) {
|
|
list($questionsql, $params) = $DB->get_in_or_equal($questionids, SQL_PARAMS_NAMED);
|
|
$select = 'id ' . $questionsql . ' AND (timemodified > :time1 OR timecreated > :time2)';
|
|
$params['time1'] = $from;
|
|
$params['time2'] = $from;
|
|
$questions = $DB->get_records_select('question', $select, $params, '', 'id');
|
|
if (!empty($questions)) {
|
|
$updates->questions->updated = true;
|
|
$updates->questions->itemids = array_keys($questions);
|
|
}
|
|
}
|
|
|
|
// Check for new attempts or grades.
|
|
$updates->attempts = (object) array('updated' => false);
|
|
$updates->grades = (object) array('updated' => false);
|
|
$select = 'quiz = ? AND userid = ? AND timemodified > ?';
|
|
$params = array($cm->instance, $USER->id, $from);
|
|
|
|
$attempts = $DB->get_records_select('quiz_attempts', $select, $params, '', 'id');
|
|
if (!empty($attempts)) {
|
|
$updates->attempts->updated = true;
|
|
$updates->attempts->itemids = array_keys($attempts);
|
|
}
|
|
$grades = $DB->get_records_select('quiz_grades', $select, $params, '', 'id');
|
|
if (!empty($grades)) {
|
|
$updates->grades->updated = true;
|
|
$updates->grades->itemids = array_keys($grades);
|
|
}
|
|
|
|
// Now, teachers should see other students updates.
|
|
if (has_capability('mod/quiz:viewreports', $cm->context)) {
|
|
$select = 'quiz = ? AND timemodified > ?';
|
|
$params = array($cm->instance, $from);
|
|
|
|
if (groups_get_activity_groupmode($cm) == SEPARATEGROUPS) {
|
|
$groupusers = array_keys(groups_get_activity_shared_group_members($cm));
|
|
if (empty($groupusers)) {
|
|
return $updates;
|
|
}
|
|
list($insql, $inparams) = $DB->get_in_or_equal($groupusers);
|
|
$select .= ' AND userid ' . $insql;
|
|
$params = array_merge($params, $inparams);
|
|
}
|
|
|
|
$updates->userattempts = (object) array('updated' => false);
|
|
$attempts = $DB->get_records_select('quiz_attempts', $select, $params, '', 'id');
|
|
if (!empty($attempts)) {
|
|
$updates->userattempts->updated = true;
|
|
$updates->userattempts->itemids = array_keys($attempts);
|
|
}
|
|
|
|
$updates->usergrades = (object) array('updated' => false);
|
|
$grades = $DB->get_records_select('quiz_grades', $select, $params, '', 'id');
|
|
if (!empty($grades)) {
|
|
$updates->usergrades->updated = true;
|
|
$updates->usergrades->itemids = array_keys($grades);
|
|
}
|
|
}
|
|
return $updates;
|
|
}
|
|
|
|
/**
|
|
* Get icon mapping for font-awesome.
|
|
*/
|
|
function mod_quiz_get_fontawesome_icon_map() {
|
|
return [
|
|
'mod_quiz:navflagged' => 'fa-flag',
|
|
];
|
|
}
|
|
|
|
/**
|
|
* This function receives a calendar event and returns the action associated with it, or null if there is none.
|
|
*
|
|
* This is used by block_myoverview in order to display the event appropriately. If null is returned then the event
|
|
* is not displayed on the block.
|
|
*
|
|
* @param calendar_event $event
|
|
* @param \core_calendar\action_factory $factory
|
|
* @param int $userid User id to use for all capability checks, etc. Set to 0 for current user (default).
|
|
* @return \core_calendar\local\event\entities\action_interface|null
|
|
*/
|
|
function mod_quiz_core_calendar_provide_event_action(calendar_event $event,
|
|
\core_calendar\action_factory $factory,
|
|
int $userid = 0) {
|
|
global $CFG, $USER;
|
|
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
if (empty($userid)) {
|
|
$userid = $USER->id;
|
|
}
|
|
|
|
$cm = get_fast_modinfo($event->courseid, $userid)->instances['quiz'][$event->instance];
|
|
$quizobj = quiz::create($cm->instance, $userid);
|
|
$quiz = $quizobj->get_quiz();
|
|
|
|
// Check they have capabilities allowing them to view the quiz.
|
|
if (!has_any_capability(['mod/quiz:reviewmyattempts', 'mod/quiz:attempt'], $quizobj->get_context(), $userid)) {
|
|
return null;
|
|
}
|
|
|
|
quiz_update_effective_access($quiz, $userid);
|
|
|
|
// Check if quiz is closed, if so don't display it.
|
|
if (!empty($quiz->timeclose) && $quiz->timeclose <= time()) {
|
|
return null;
|
|
}
|
|
|
|
if (!$quizobj->is_participant($userid)) {
|
|
// If the user is not a participant then they have
|
|
// no action to take. This will filter out the events for teachers.
|
|
return null;
|
|
}
|
|
|
|
$attempts = quiz_get_user_attempts($quizobj->get_quizid(), $userid);
|
|
if (!empty($attempts)) {
|
|
// The student's last attempt is finished.
|
|
return null;
|
|
}
|
|
|
|
$name = get_string('attemptquiznow', 'quiz');
|
|
$url = new \moodle_url('/mod/quiz/view.php', [
|
|
'id' => $cm->id
|
|
]);
|
|
$itemcount = 1;
|
|
$actionable = true;
|
|
|
|
// Check if the quiz is not currently actionable.
|
|
if (!empty($quiz->timeopen) && $quiz->timeopen > time()) {
|
|
$actionable = false;
|
|
}
|
|
|
|
return $factory->create_instance(
|
|
$name,
|
|
$url,
|
|
$itemcount,
|
|
$actionable
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Add a get_coursemodule_info function in case any quiz type wants to add 'extra' information
|
|
* for the course (see resource).
|
|
*
|
|
* Given a course_module object, this function returns any "extra" information that may be needed
|
|
* when printing this activity in a course listing. See get_array_of_activities() in course/lib.php.
|
|
*
|
|
* @param stdClass $coursemodule The coursemodule object (record).
|
|
* @return cached_cm_info An object on information that the courses
|
|
* will know about (most noticeably, an icon).
|
|
*/
|
|
function quiz_get_coursemodule_info($coursemodule) {
|
|
global $DB;
|
|
|
|
$dbparams = ['id' => $coursemodule->instance];
|
|
$fields = 'id, name, intro, introformat, completionattemptsexhausted, completionpass';
|
|
if (!$quiz = $DB->get_record('quiz', $dbparams, $fields)) {
|
|
return false;
|
|
}
|
|
|
|
$result = new cached_cm_info();
|
|
$result->name = $quiz->name;
|
|
|
|
if ($coursemodule->showdescription) {
|
|
// Convert intro to html. Do not filter cached version, filters run at display time.
|
|
$result->content = format_module_intro('quiz', $quiz, $coursemodule->id, false);
|
|
}
|
|
|
|
// Populate the custom completion rules as key => value pairs, but only if the completion mode is 'automatic'.
|
|
if ($coursemodule->completion == COMPLETION_TRACKING_AUTOMATIC) {
|
|
$result->customdata['customcompletionrules']['completionattemptsexhausted'] = $quiz->completionattemptsexhausted;
|
|
$result->customdata['customcompletionrules']['completionpass'] = $quiz->completionpass;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Callback which returns human-readable strings describing the active completion custom rules for the module instance.
|
|
*
|
|
* @param cm_info|stdClass $cm object with fields ->completion and ->customdata['customcompletionrules']
|
|
* @return array $descriptions the array of descriptions for the custom rules.
|
|
*/
|
|
function mod_quiz_get_completion_active_rule_descriptions($cm) {
|
|
// Values will be present in cm_info, and we assume these are up to date.
|
|
if (empty($cm->customdata['customcompletionrules'])
|
|
|| $cm->completion != COMPLETION_TRACKING_AUTOMATIC) {
|
|
return [];
|
|
}
|
|
|
|
$descriptions = [];
|
|
foreach ($cm->customdata['customcompletionrules'] as $key => $val) {
|
|
switch ($key) {
|
|
case 'completionattemptsexhausted':
|
|
if (!empty($val)) {
|
|
$descriptions[] = get_string('completionattemptsexhausteddesc', 'quiz');
|
|
}
|
|
break;
|
|
case 'completionpass':
|
|
if (!empty($val)) {
|
|
$descriptions[] = get_string('completionpassdesc', 'quiz', format_time($val));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return $descriptions;
|
|
}
|
|
|
|
/**
|
|
* Returns the min and max values for the timestart property of a quiz
|
|
* activity event.
|
|
*
|
|
* The min and max values will be the timeopen and timeclose properties
|
|
* of the quiz, respectively, if they are set.
|
|
*
|
|
* If either value isn't set then null will be returned instead to
|
|
* indicate that there is no cutoff for that value.
|
|
*
|
|
* If the vent has no valid timestart range then [false, false] will
|
|
* be returned. This is the case for overriden events.
|
|
*
|
|
* A minimum and maximum cutoff return value will look like:
|
|
* [
|
|
* [1505704373, 'The date must be after this date'],
|
|
* [1506741172, 'The date must be before this date']
|
|
* ]
|
|
*
|
|
* @throws \moodle_exception
|
|
* @param \calendar_event $event The calendar event to get the time range for
|
|
* @param stdClass $quiz The module instance to get the range from
|
|
* @return array
|
|
*/
|
|
function mod_quiz_core_calendar_get_valid_event_timestart_range(\calendar_event $event, \stdClass $quiz) {
|
|
global $CFG, $DB;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
// Overrides do not have a valid timestart range.
|
|
if (quiz_is_overriden_calendar_event($event)) {
|
|
return [false, false];
|
|
}
|
|
|
|
$mindate = null;
|
|
$maxdate = null;
|
|
|
|
if ($event->eventtype == QUIZ_EVENT_TYPE_OPEN) {
|
|
if (!empty($quiz->timeclose)) {
|
|
$maxdate = [
|
|
$quiz->timeclose,
|
|
get_string('openafterclose', 'quiz')
|
|
];
|
|
}
|
|
} else if ($event->eventtype == QUIZ_EVENT_TYPE_CLOSE) {
|
|
if (!empty($quiz->timeopen)) {
|
|
$mindate = [
|
|
$quiz->timeopen,
|
|
get_string('closebeforeopen', 'quiz')
|
|
];
|
|
}
|
|
}
|
|
|
|
return [$mindate, $maxdate];
|
|
}
|
|
|
|
/**
|
|
* This function will update the quiz module according to the
|
|
* event that has been modified.
|
|
*
|
|
* It will set the timeopen or timeclose value of the quiz instance
|
|
* according to the type of event provided.
|
|
*
|
|
* @throws \moodle_exception
|
|
* @param \calendar_event $event A quiz activity calendar event
|
|
* @param \stdClass $quiz A quiz activity instance
|
|
*/
|
|
function mod_quiz_core_calendar_event_timestart_updated(\calendar_event $event, \stdClass $quiz) {
|
|
global $CFG, $DB;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
|
|
if (!in_array($event->eventtype, [QUIZ_EVENT_TYPE_OPEN, QUIZ_EVENT_TYPE_CLOSE])) {
|
|
// This isn't an event that we care about so we can ignore it.
|
|
return;
|
|
}
|
|
|
|
$courseid = $event->courseid;
|
|
$modulename = $event->modulename;
|
|
$instanceid = $event->instance;
|
|
$modified = false;
|
|
$closedatechanged = false;
|
|
|
|
// Something weird going on. The event is for a different module so
|
|
// we should ignore it.
|
|
if ($modulename != 'quiz') {
|
|
return;
|
|
}
|
|
|
|
if ($quiz->id != $instanceid) {
|
|
// The provided quiz instance doesn't match the event so
|
|
// there is nothing to do here.
|
|
return;
|
|
}
|
|
|
|
// We don't update the activity if it's an override event that has
|
|
// been modified.
|
|
if (quiz_is_overriden_calendar_event($event)) {
|
|
return;
|
|
}
|
|
|
|
$coursemodule = get_fast_modinfo($courseid)->instances[$modulename][$instanceid];
|
|
$context = context_module::instance($coursemodule->id);
|
|
|
|
// The user does not have the capability to modify this activity.
|
|
if (!has_capability('moodle/course:manageactivities', $context)) {
|
|
return;
|
|
}
|
|
|
|
if ($event->eventtype == QUIZ_EVENT_TYPE_OPEN) {
|
|
// If the event is for the quiz activity opening then we should
|
|
// set the start time of the quiz activity to be the new start
|
|
// time of the event.
|
|
if ($quiz->timeopen != $event->timestart) {
|
|
$quiz->timeopen = $event->timestart;
|
|
$modified = true;
|
|
}
|
|
} else if ($event->eventtype == QUIZ_EVENT_TYPE_CLOSE) {
|
|
// If the event is for the quiz activity closing then we should
|
|
// set the end time of the quiz activity to be the new start
|
|
// time of the event.
|
|
if ($quiz->timeclose != $event->timestart) {
|
|
$quiz->timeclose = $event->timestart;
|
|
$modified = true;
|
|
$closedatechanged = true;
|
|
}
|
|
}
|
|
|
|
if ($modified) {
|
|
$quiz->timemodified = time();
|
|
$DB->update_record('quiz', $quiz);
|
|
|
|
if ($closedatechanged) {
|
|
quiz_update_open_attempts(array('quizid' => $quiz->id));
|
|
}
|
|
|
|
// Delete any previous preview attempts.
|
|
quiz_delete_previews($quiz);
|
|
quiz_update_events($quiz);
|
|
$event = \core\event\course_module_updated::create_from_cm($coursemodule, $context);
|
|
$event->trigger();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates the question bank in a fragment output. This allows
|
|
* the question bank to be displayed in a modal.
|
|
*
|
|
* The only expected argument provided in the $args array is
|
|
* 'querystring'. The value should be the list of parameters
|
|
* URL encoded and used to build the question bank page.
|
|
*
|
|
* The individual list of parameters expected can be found in
|
|
* question_build_edit_resources.
|
|
*
|
|
* @param array $args The fragment arguments.
|
|
* @return string The rendered mform fragment.
|
|
*/
|
|
function mod_quiz_output_fragment_quiz_question_bank($args) {
|
|
global $CFG, $DB, $PAGE;
|
|
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
|
|
require_once($CFG->dirroot . '/question/editlib.php');
|
|
|
|
$querystring = preg_replace('/^\?/', '', $args['querystring']);
|
|
$params = [];
|
|
parse_str($querystring, $params);
|
|
|
|
// Build the required resources. The $params are all cleaned as
|
|
// part of this process.
|
|
list($thispageurl, $contexts, $cmid, $cm, $quiz, $pagevars) =
|
|
question_build_edit_resources('editq', '/mod/quiz/edit.php', $params);
|
|
|
|
// Get the course object and related bits.
|
|
$course = $DB->get_record('course', array('id' => $quiz->course), '*', MUST_EXIST);
|
|
require_capability('mod/quiz:manage', $contexts->lowest());
|
|
|
|
// Create quiz question bank view.
|
|
$questionbank = new mod_quiz\question\bank\custom_view($contexts, $thispageurl, $course, $cm, $quiz);
|
|
$questionbank->set_quiz_has_attempts(quiz_has_attempts($quiz->id));
|
|
|
|
// Output.
|
|
$renderer = $PAGE->get_renderer('mod_quiz', 'edit');
|
|
return $renderer->question_bank_contents($questionbank, $pagevars);
|
|
}
|
|
|
|
/**
|
|
* Generates the add random question in a fragment output. This allows the
|
|
* form to be rendered in javascript, for example inside a modal.
|
|
*
|
|
* The required arguments as keys in the $args array are:
|
|
* cat {string} The category and category context ids comma separated.
|
|
* addonpage {int} The page id to add this question to.
|
|
* returnurl {string} URL to return to after form submission.
|
|
* cmid {int} The course module id the questions are being added to.
|
|
*
|
|
* @param array $args The fragment arguments.
|
|
* @return string The rendered mform fragment.
|
|
*/
|
|
function mod_quiz_output_fragment_add_random_question_form($args) {
|
|
global $CFG;
|
|
require_once($CFG->dirroot . '/mod/quiz/addrandomform.php');
|
|
|
|
$contexts = new \question_edit_contexts($args['context']);
|
|
$formoptions = [
|
|
'contexts' => $contexts,
|
|
'cat' => $args['cat']
|
|
];
|
|
$formdata = [
|
|
'category' => $args['cat'],
|
|
'addonpage' => $args['addonpage'],
|
|
'returnurl' => $args['returnurl'],
|
|
'cmid' => $args['cmid']
|
|
];
|
|
|
|
$form = new quiz_add_random_form(
|
|
new \moodle_url('/mod/quiz/addrandom.php'),
|
|
$formoptions,
|
|
'post',
|
|
'',
|
|
null,
|
|
true,
|
|
$formdata
|
|
);
|
|
$form->set_data($formdata);
|
|
|
|
return $form->render();
|
|
}
|
|
|