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<?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/>.
/**
* A scheduled task.
*
* @package core
* @copyright 2013 onwards Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\task;
/**
* Simple task to run the grade cron.
*/
class grade_cron_task extends scheduled_task {
/**
* Get a descriptive name for this task (shown to admins).
*
* @return string
*/
public function get_name() {
return get_string('taskgradecron', 'admin');
}
/**
* Do the job.
* Throw exceptions on errors (the job will be retried).
*/
public function execute() {
global $CFG, $DB;
$now = time();
$sql = "SELECT i.*
FROM {grade_items} i
WHERE i.locked = 0
AND i.locktime > 0
AND i.locktime < ?
AND EXISTS (SELECT 'x'
FROM {grade_items} c
WHERE c.itemtype='course'
AND c.needsupdate=0
AND c.courseid=i.courseid)";
// Go through all courses that have proper final grades and lock them if needed.
$rs = $DB->get_recordset_sql($sql, array($now));
foreach ($rs as $item) {
$gradeitem = new \grade_item($item, false);
$gradeitem->locked = $now;
$gradeitem->update('locktime');
}
$rs->close();
$gradeinst = new \grade_grade();
$fields = 'g.' . implode(',g.', $gradeinst->required_fields);
$sql = "SELECT $fields
FROM {grade_grades} g, {grade_items} i
WHERE g.locked = 0
AND g.locktime > 0
AND g.locktime < ?
AND g.itemid = i.id
AND EXISTS (SELECT 'x'
FROM {grade_items} c
WHERE c.itemtype = 'course'
AND c.needsupdate = 0
AND c.courseid = i.courseid)";
// Go through all courses that have proper final grades and lock them if needed.
$rs = $DB->get_recordset_sql($sql, array($now));
foreach ($rs as $grade) {
$gradegrade = new \grade_grade($grade, false);
$gradegrade->locked = $now;
$gradegrade->update('locktime');
}
$rs->close();
}
}