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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 local_atrisk\local; |
| 18 | |
| 19 | /** |
| 20 | * Contacts with flagged students, and the list a category page shows. |
| 21 | * |
| 22 | * @package local_atrisk |
| 23 | * @copyright 2026 DevLMS <contact@devlms.com> |
| 24 | * @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| 25 | */ |
| 26 | class contacts { |
| 27 | /** |
| 28 | * Record that the current user contacted a student about a course. |
| 29 | * |
| 30 | * @param int $userid the student |
| 31 | * @param int $courseid |
| 32 | * @param string $note what was said or agreed |
| 33 | * @return int the new record id |
| 34 | */ |
| 35 | public static function record(int $userid, int $courseid, string $note): int { |
| 36 | global $DB, $USER; |
| 37 | $id = $DB->insert_record('local_atrisk_contact', [ |
| 38 | 'userid' => $userid, |
| 39 | 'courseid' => $courseid, |
| 40 | 'contactedby' => $USER->id, |
| 41 | 'note' => trim($note), |
| 42 | 'timecreated' => time(), |
| 43 | ]); |
| 44 | \local_atrisk\event\student_contacted::create([ |
| 45 | 'context' => \context_course::instance($courseid), |
| 46 | 'objectid' => $id, |
| 47 | 'relateduserid' => $userid, |
| 48 | ])->trigger(); |
| 49 | return $id; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Flagged students in courses of a category and its subcategories, with the latest contact. |
| 54 | * |
| 55 | * @param int $categoryid |
| 56 | * @return array of rows: flag fields, user name fields, coursename, lastnote, lastcontactedby, lastcontacted |
| 57 | */ |
| 58 | public static function for_category(int $categoryid): array { |
| 59 | global $DB; |
| 60 | $cat = \core_course_category::get($categoryid, MUST_EXIST, true); |
| 61 | $path = $DB->get_field('course_categories', 'path', ['id' => $cat->id]); |
| 62 | $names = \core_user\fields::for_name()->get_sql('u', false, '', '', false); |
| 63 | $params = ['catid' => $cat->id, 'path' => $DB->sql_like_escape($path) . '/%'] + $names->params; |
| 64 | $sql = "SELECT f.id, f.userid, f.courseid, f.inactive, f.missed, f.grade, |
| 65 | c.fullname AS coursename, c.category, {$names->selects}, |
| 66 | lc.note AS lastnote, lc.contactedby AS lastcontactedby, lc.timecreated AS lastcontacted |
| 67 | FROM {local_atrisk_flag} f |
| 68 | JOIN {course} c ON c.id = f.courseid |
| 69 | JOIN {course_categories} cc ON cc.id = c.category |
| 70 | JOIN {user} u ON u.id = f.userid |
| 71 | LEFT JOIN (SELECT userid, courseid, MAX(id) AS maxid |
| 72 | FROM {local_atrisk_contact} |
| 73 | GROUP BY userid, courseid) latest ON latest.userid = f.userid AND latest.courseid = f.courseid |
| 74 | LEFT JOIN {local_atrisk_contact} lc ON lc.id = latest.maxid |
| 75 | WHERE (cc.id = :catid OR " . $DB->sql_like('cc.path', ':path') . ") |
| 76 | ORDER BY lc.timecreated IS NOT NULL, f.missed DESC, f.inactive DESC, u.lastname, u.firstname, c.fullname"; |
| 77 | return $DB->get_records_sql($sql, $params); |
| 78 | } |
| 79 | } |