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