Sara Arjona
73 lines
2.7 KiB
PHP
73 lines
2.7 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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namespace mod_subsection\task;
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use core\task\adhoc_task;
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use mod_subsection\manager;
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/**
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* An ad-hoc task to remove existing descriptions from subsection instances.
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*
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* NOTE:
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* - This task processes subsections in batches of 100 to reduce server overload.
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* - It will be removed in Moodle 7.0. By then, the remaining descriptions will be removed.
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*
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* @package mod_subsection
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* @copyright 2026 Sara Arjona <sara@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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class remove_subsection_descriptions_task extends adhoc_task {
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/**
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* Execute the task.
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*/
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public function execute(): void {
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global $DB;
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// Process subsections in batches to reduce server overload.
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$removedcount = 0;
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$subsections = $DB->get_recordset_select(
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table: 'course_sections',
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select: 'component = :component AND summary != :empty',
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params: ['component' => 'mod_subsection', 'empty' => ''],
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limitnum: 100,
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);
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$transaction = $DB->start_delegated_transaction();
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foreach ($subsections as $subsection) {
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manager::create_from_id($subsection->course, $subsection->itemid)->clear_description();
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$removedcount++;
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}
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$transaction->allow_commit();
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if ($removedcount > 0) {
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mtrace('Subsection descriptions removal task completed. Total removed subsection descriptions: ' . $removedcount);
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} else {
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mtrace('No subsection descriptions found to remove.');
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}
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$subsections->close();
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$pendingcount = $DB->count_records_select(
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table: 'course_sections',
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select: 'component = :component AND summary != :empty',
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params: ['component' => 'mod_subsection', 'empty' => ''],
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);
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if ($pendingcount > 0) {
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$task = new self();
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\core\task\manager::queue_adhoc_task($task);
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mtrace('Subsection descriptions removal task pending subsections: ' . $pendingcount . '. Scheduled new ad-hoc task.');
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}
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}
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}
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