Huong Nguyen
104 lines
4.1 KiB
PHP
104 lines
4.1 KiB
PHP
<?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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* Database enrolment plugin upgrade.
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*
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* @package enrol_database
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* @copyright 2011 Petr Skoda {@link http://skodak.org}
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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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function xmldb_enrol_database_upgrade($oldversion) {
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global $DB;
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// Automatically generated Moodle v4.2.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v4.3.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v4.4.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v4.5.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v5.0.0 release upgrade line.
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// Put any upgrade step following this.
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if ($oldversion < 2025041402) {
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// Remove duplicated enrolment records, keeping only the earliest records.
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$transaction = $DB->start_delegated_transaction();
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$courses = $DB->get_records_sql(
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"
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SELECT courseid
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FROM {enrol}
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WHERE enrol = 'database'
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GROUP BY courseid
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HAVING COUNT(*) > 1"
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);
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foreach ($courses as $course) {
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$instances = $DB->get_records('enrol', ['enrol' => 'database', 'courseid' => $course->courseid], 'id ASC');
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$idtokeep = array_key_first($instances);
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$idstodelete = array_slice(array_keys($instances), 1);
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[$insql, $inparams] = $DB->get_in_or_equal($idstodelete, SQL_PARAMS_NAMED);
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// Migrate enrolments where possible.
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// First, get the user enrolments that can be migrated.
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$migrateusers = $DB->get_records_sql(
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"SELECT ue.id
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FROM {user_enrolments} ue
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WHERE ue.enrolid $insql
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AND NOT EXISTS (
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SELECT 1
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FROM {user_enrolments} ue2
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WHERE ue2.userid = ue.userid
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AND ue2.enrolid = :idtokeep)",
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array_merge($inparams, ['idtokeep' => $idtokeep]),
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);
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// Then update them if any exist.
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if (!empty($migrateusers)) {
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$migrateids = array_keys($migrateusers);
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[$migratein, $migrateparams] = $DB->get_in_or_equal($migrateids, SQL_PARAMS_NAMED);
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$DB->execute(
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"UPDATE {user_enrolments} SET enrolid = :idtokeep WHERE id $migratein",
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array_merge($migrateparams, ['idtokeep' => $idtokeep]),
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);
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}
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$DB->delete_records_select('user_enrolments', "enrolid $insql", $inparams);
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// Migrate role assignments.
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$DB->execute(
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"
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UPDATE {role_assignments}
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SET itemid = :idtokeep
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WHERE component = :component
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AND itemid $insql",
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array_merge($inparams, ['component' => 'enrol_database', 'idtokeep' => $idtokeep])
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);
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$DB->delete_records_select('role_assignments', "itemid $insql", $inparams);
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$DB->delete_records_list('enrol', 'id', $idstodelete);
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}
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$transaction->allow_commit();
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upgrade_plugin_savepoint(true, 2025041402, 'enrol', 'database');
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}
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return true;
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}
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