110 lines
4.2 KiB
PHP
110 lines
4.2 KiB
PHP
<?php
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// This file is part of the Studyplan plugin for Moodle
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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 <https://www.gnu.org/licenses/>.
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/**
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* Scan submissions in assign activities
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* @package local_treestudyplan
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* @copyright 2023 P.M. Kuipers
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* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace local_treestudyplan\local\ungradedscanners;
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot.'/question/engine/states.php'); // For reading question state.
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/**
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* Activity scanner for quiz activity
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*/
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class quiz_scanner extends scanner_base {
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/**
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* Retrieve the ungraded submissions in this activity
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*/
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protected function get_ungraded_submissions() {
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// Count all users who have one or more questions that still need grading.
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global $DB;
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// First find all question attempts that need grading.
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$sql = "SELECT qza.id as submissionid, qza.userid as userid,
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qas.questionattemptid as attempt_id, qas.sequencenumber as sequencenumber
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FROM {question_attempt_steps} qas
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JOIN {question_attempts} qna ON qas.questionattemptid = qna.id
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JOIN {quiz_attempts} qza ON qna.questionusageid = qza.uniqueid
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WHERE qas.state = 'needsgrading' AND qza.quiz = :iteminstance";
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$rs = $DB->get_recordset_sql($sql, ['iteminstance' => $this->gi->iteminstance]);
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$submissions = [];
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foreach ($rs as $r) {
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// Now, check if .
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$maxstatesql = "SELECT MAX(qas.sequencenumber)
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FROM {question_attempt_steps} qas
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WHERE qas.questionattemptid = {$r->attempt_id}";
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$max = $DB->get_field_sql($maxstatesql);
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if ($r->sequencenumber == $max) {
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$submissions[$r->userid] = true; // Set array index based on user id, to avoid checking if value is in array.
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}
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}
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$rs->close();
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return array_keys($submissions);
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}
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/**
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* Count the number of students wit ungraded submissions in this activity
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* @param array $courseuserids
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* @return int Number of students with ungraded submissions
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*/
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public function count_ungraded($courseuserids = []) {
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$ungraded = $this->get_ungraded_submissions();
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if (count($courseuserids) > 0) {
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$ungraded = array_intersect($ungraded, $courseuserids);
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}
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return count($ungraded);
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}
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/**
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* Count the number of students wit (all) graded submissions in this activity
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* @param array $courseuserids
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* @return int Number of students with graded submission
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*/
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public function count_graded($courseuserids = []) {
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// Count all users who submitted one or more finished tests.
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global $DB;
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$sql = "SELECT DISTINCT g.userid
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FROM {grade_grades} g
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LEFT JOIN {grade_items} gi on g.itemid = gi.id
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WHERE gi.itemmodule = 'quiz' AND gi.iteminstance = :iteminstance
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AND g.finalgrade IS NOT NULL"; // MAy turn out to be needed, dunno.
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$graded = $DB->get_fieldset_sql($sql, ['iteminstance' => $this->gi->iteminstance]);
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if (count($courseuserids) > 0) {
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$graded = array_intersect($graded, $courseuserids);
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}
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return count($graded);
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}
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/**
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* Check if specified user has ungraded submission in this activity
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* @param mixed $userid User id of user to check
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* @return bool If specified user has ungraded submissions in this activity
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*/
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public function has_ungraded_submission($userid) {
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$ungraded = $this->get_ungraded_submissions();
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return in_array($userid, $ungraded);
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}
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}
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