Current File : /home/vacivi36/ava/mod/assign/feedback/editpdf/classes/task/remove_orphaned_editpdf_files.php
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Cleans up orphaned feedback pdf files and table entries.
*
* @package assignfeedback_editpdf
* @copyright 2022 Adrian Greeve <adrian@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace assignfeedback_editpdf\task;
use core\task\adhoc_task;
/**
* Cleans up orphaned feedback pdf files and table entries.
*
* @package assignfeedback_editpdf
* @copyright 2022 Adrian Greeve <adrian@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class remove_orphaned_editpdf_files extends adhoc_task {
/**
* Run the task.
*/
public function execute() {
$this->remove_files_and_entries();
$this->remove_rotated_table_entries();
}
/**
* Removes edit pdf feedback files and table entries that have been orphaned.
*/
private function remove_files_and_entries(): void {
global $DB;
// Patiently remove all orphaned temporary pdf files.
$sql = "SELECT DISTINCT f.contextid, f.component, f.filearea, f.itemid
FROM {files} f
LEFT JOIN {assign_grades} g ON g.id = f.itemid
WHERE f.component = :assigneditpdf
AND NOT (filearea = :stamps AND f.itemid = 0)
AND g.id IS NULL";
$params = ['assigneditpdf' => 'assignfeedback_editpdf', 'stamps' => 'stamps'];
$results = $DB->get_recordset_sql($sql, $params);
foreach ($results as $record) {
$fs = get_file_storage();
$fs->delete_area_files($record->contextid, $record->component, $record->filearea, $record->itemid);
}
$results->close();
}
/**
* Removes orphaned entries in the feedback edit pdf rotation table.
*/
private function remove_rotated_table_entries(): void {
global $DB;
$rotatesql = "SELECT er.id AS erid
FROM {assignfeedback_editpdf_rot} er
LEFT JOIN {assign_grades} g ON g.id = er.gradeid
WHERE g.id IS NULL";
$DB->delete_records_subquery('assignfeedback_editpdf_rot', 'id', 'erid', $rotatesql);
}
}
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