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| 1 | <?php |
| 2 | // This file is part of Moodle - https://moodle.org/ |
| 3 | // |
| 4 | // Moodle is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // Moodle is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with Moodle. If not, see <https://www.gnu.org/licenses/>. |
| 16 | |
| 17 | namespace block_gradingqueue\local; |
| 18 | |
| 19 | use moodle_url; |
| 20 | use stdClass; |
| 21 | |
| 22 | /** |
| 23 | * Work waiting for grading across every course a user can grade in. |
| 24 | * |
| 25 | * Assignments: the latest submission is submitted and has no grade, or was changed after it was |
| 26 | * graded (the rule mod_assign uses for its own "needs grading" count), from students with an active |
| 27 | * enrolment. Quizzes: finished attempts with no total yet, which means a question such as an essay is |
| 28 | * waiting for manual grading. |
| 29 | * |
| 30 | * Counts are per activity. Group restrictions are applied on the grading page the link opens. |
| 31 | * |
| 32 | * @package block_gradingqueue |
| 33 | * @copyright 2026 DevLMS <contact@devlms.com> |
| 34 | * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| 35 | */ |
| 36 | final class queue { |
| 37 | /** |
| 38 | * Activities with work waiting, oldest waiting first. |
| 39 | * |
| 40 | * @param int $userid |
| 41 | * @param int $courseid Only this course, or 0 for all. |
| 42 | * @return stdClass[] courseid, coursename, cmid, modname, name, url, count, oldest |
| 43 | */ |
| 44 | public static function for_user(int $userid, int $courseid = 0): array { |
| 45 | $cms = ['assign' => [], 'quiz' => []]; |
| 46 | foreach (enrol_get_users_courses($userid, true) as $course) { |
| 47 | if ($courseid && (int) $course->id !== $courseid) { |
| 48 | continue; |
| 49 | } |
| 50 | $modinfo = get_fast_modinfo($course, $userid); |
| 51 | foreach (['assign' => 'mod/assign:grade', 'quiz' => 'mod/quiz:grade'] as $modname => $capability) { |
| 52 | foreach ($modinfo->get_instances_of($modname) as $cm) { |
| 53 | if ($cm->uservisible && has_capability($capability, $cm->context, $userid)) { |
| 54 | $cms[$modname][$cm->instance] = $cm; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | $items = []; |
| 61 | foreach (self::assign_counts(array_keys($cms['assign'])) as $row) { |
| 62 | $cm = $cms['assign'][$row->instance]; |
| 63 | $items[] = self::item( |
| 64 | $cm, |
| 65 | (int) $row->total, |
| 66 | (int) $row->oldest, |
| 67 | new moodle_url('/mod/assign/view.php', ['id' => $cm->id, 'action' => 'grading']) |
| 68 | ); |
| 69 | } |
| 70 | foreach (self::quiz_counts(array_keys($cms['quiz'])) as $row) { |
| 71 | $cm = $cms['quiz'][$row->instance]; |
| 72 | $items[] = self::item( |
| 73 | $cm, |
| 74 | (int) $row->total, |
| 75 | (int) $row->oldest, |
| 76 | new moodle_url('/mod/quiz/report.php', ['id' => $cm->id, 'mode' => 'grading']) |
| 77 | ); |
| 78 | } |
| 79 | usort($items, fn($a, $b) => [$a->oldest, $a->cmid] <=> [$b->oldest, $b->cmid]); |
| 80 | return $items; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Submissions waiting per assignment. |
| 85 | * |
| 86 | * @param int[] $ids Assignment ids. |
| 87 | * @return stdClass[] instance, total, oldest |
| 88 | */ |
| 89 | private static function assign_counts(array $ids): array { |
| 90 | global $DB; |
| 91 | if (!$ids) { |
| 92 | return []; |
| 93 | } |
| 94 | [$insql, $params] = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED); |
| 95 | $params += ['submitted' => 'submitted', 'active' => ENROL_USER_ACTIVE, 'enabled' => ENROL_INSTANCE_ENABLED]; |
| 96 | return array_values($DB->get_records_sql( |
| 97 | "SELECT s.assignment AS instance, COUNT(s.id) AS total, MIN(s.timemodified) AS oldest |
| 98 | FROM {assign_submission} s |
| 99 | JOIN {assign} a ON a.id = s.assignment |
| 100 | LEFT JOIN {assign_grades} g ON g.assignment = s.assignment AND g.userid = s.userid |
| 101 | AND g.attemptnumber = s.attemptnumber |
| 102 | WHERE s.assignment $insql |
| 103 | AND s.latest = 1 |
| 104 | AND s.userid > 0 |
| 105 | AND s.status = :submitted |
| 106 | AND s.timemodified IS NOT NULL |
| 107 | AND (g.id IS NULL OR g.grade IS NULL OR s.timemodified >= g.timemodified OR (a.grade < 0 AND g.grade = -1)) |
| 108 | AND EXISTS (SELECT 1 |
| 109 | FROM {user_enrolments} ue |
| 110 | JOIN {enrol} e ON e.id = ue.enrolid |
| 111 | WHERE e.courseid = a.course AND ue.userid = s.userid |
| 112 | AND ue.status = :active AND e.status = :enabled) |
| 113 | GROUP BY s.assignment", |
| 114 | $params |
| 115 | )); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Finished attempts with no total yet, per quiz. |
| 120 | * |
| 121 | * @param int[] $ids Quiz ids. |
| 122 | * @return stdClass[] instance, total, oldest |
| 123 | */ |
| 124 | private static function quiz_counts(array $ids): array { |
| 125 | global $DB; |
| 126 | if (!$ids) { |
| 127 | return []; |
| 128 | } |
| 129 | [$insql, $params] = $DB->get_in_or_equal($ids, SQL_PARAMS_NAMED); |
| 130 | $params['finished'] = 'finished'; |
| 131 | return array_values($DB->get_records_sql( |
| 132 | "SELECT qa.quiz AS instance, COUNT(qa.id) AS total, MIN(qa.timefinish) AS oldest |
| 133 | FROM {quiz_attempts} qa |
| 134 | WHERE qa.quiz $insql |
| 135 | AND qa.state = :finished |
| 136 | AND qa.preview = 0 |
| 137 | AND qa.sumgrades IS NULL |
| 138 | GROUP BY qa.quiz", |
| 139 | $params |
| 140 | )); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * One row of the queue. |
| 145 | * |
| 146 | * @param \cm_info $cm |
| 147 | * @param int $count |
| 148 | * @param int $oldest |
| 149 | * @param moodle_url $url |
| 150 | * @return stdClass |
| 151 | */ |
| 152 | private static function item(\cm_info $cm, int $count, int $oldest, moodle_url $url): stdClass { |
| 153 | return (object) [ |
| 154 | 'courseid' => (int) $cm->course, |
| 155 | 'coursename' => format_string($cm->get_course()->fullname, true, ['context' => $cm->context->get_course_context()]), |
| 156 | 'cmid' => (int) $cm->id, |
| 157 | 'modname' => $cm->modname, |
| 158 | 'name' => $cm->get_formatted_name(), |
| 159 | 'url' => $url->out(false), |
| 160 | 'count' => $count, |
| 161 | 'oldest' => $oldest, |
| 162 | ]; |
| 163 | } |
| 164 | } |