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<?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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* report_coursesize tasks
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*
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* @package report_coursesize
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* @copyright Catalyst IT
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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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namespace report_coursesize\task;
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/**
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* report_async tasks
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*
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* @package report_coursesize
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* @copyright Catalyst IT
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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 report_async extends \core\task\scheduled_task {
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/**
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* Get task name
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*/
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public function get_name() {
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return get_string('pluginname', 'report_coursesize');
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}
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/**
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* Execute task
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*/
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public function execute() {
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global $DB, $CFG;
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require_once($CFG->dirroot . '/report/coursesize/locallib.php');
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if (get_config('report_coursesize', 'calcmethod') == 'cron') {
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mtrace("Generating report_coursesize cache...");
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set_time_limit(0);
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// First we delete the old data, then we re-populate it, wrap in a transaction to help keep it together.
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$transaction = $DB->start_delegated_transaction();
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// Clean up cache table.
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$DB->delete_records('report_coursesize');
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// Generate report_coursesize table.
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$basesql = report_coursesize_filesize_sql();
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$sql = "INSERT INTO {report_coursesize} (course, filesize) $basesql ";
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$DB->execute($sql);
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// Now calculate size of backups.
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$basesql = report_coursesize_backupsize_sql();
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$sql = "UPDATE {report_coursesize} rc
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SET backupsize = (SELECT bf.filesize FROM ($basesql) bf WHERE bf.course = rc.course)";
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$DB->execute($sql);
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$transaction->allow_commit();
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// Ignore the result now. The call will only cache the data internally.
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report_coursesize_get_usersizes();
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set_config('coursesizeupdated', time(), 'report_coursesize');
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mtrace("report_coursesize cache updated.");
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}
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// Check if the path ends with a "/" otherwise an exception will be thrown.
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$sitedatadir = $CFG->dataroot;
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if (is_dir($sitedatadir)) {
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// Only append a "/" if it doesn't already end with one.
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if (substr($sitedatadir, -1) !== '/') {
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$sitedatadir .= '/';
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}
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}
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// Total files usage either hasn't been stored, or is out of date.
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$totalusage = get_directory_size($sitedatadir);
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set_config('filessize', $totalusage, 'report_coursesize');
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set_config('filessizeupdated', time(), 'report_coursesize');
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mtrace("report_coursesize overall directory size updated");
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}
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}
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