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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/>.
/**
* Defines classes used for plugin info.
*
* @package core
* @copyright 2013 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\plugininfo;
defined('MOODLE_INTERNAL') || die();
/**
* Class for admin tool plugins
*/
class gradingform extends base {
public function is_uninstall_allowed() {
return true;
}
/**
* Pre-uninstall hook.
* This is intended for disabling of plugin, some DB table purging, etc.
*/
public function uninstall_cleanup() {
global $DB;
// Find all definitions and templates.
$definitions = $DB->get_fieldset_select('grading_definitions', 'id', 'method = ?', [$this->name]);
if ($definitions) {
// Delete instances and definitions. Deleting instance will not delete grades because they were
// already pushed to the module and gradebook.
list($sqld, $paramsd) = $DB->get_in_or_equal($definitions);
$DB->delete_records_select('grading_instances', 'definitionid ' . $sqld, $paramsd);
$DB->delete_records_select('grading_definitions', 'id ' . $sqld, $paramsd);
}
// Delete templates for this grading method.
$DB->delete_records_select('grading_areas', 'component = ? AND activemethod = ?', array('core_grading', $this->name));
// Update the remaining grading areas to use simple grading method instead of this grading method.
$DB->execute('UPDATE {grading_areas} SET activemethod = NULL WHERE activemethod = ?', [$this->name]);
parent::uninstall_cleanup();
}
}