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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/>.
/**
* Observer for course modules creation and deletion, to update configuration and database accordingly.
*
* @package block_point_view
* @copyright 2020 Jayson Haulkory, 2021 Astor Bizard
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Observer class for course modules creation and deletion.
*
* @package block_point_view
* @copyright 2020 Jayson Haulkory, 2021 Astor Bizard
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_point_view_observer {
/**
* Course module creation: enable reactions on it (if corresponding parameter is set in block configuration).
*
* @param \core\event\course_module_created $event
*/
public static function store(\core\event\course_module_created $event) {
global $DB;
$coursecontext = context_course::instance($event->courseid);
$blockrecord = $DB->get_record('block_instances', [ 'blockname' => 'point_view', 'parentcontextid' => $coursecontext->id ]);
if ($blockrecord !== false && !empty($blockrecord->configdata)) {
$blockinstance = block_instance('point_view', $blockrecord);
$enablefornewmodules = isset($blockinstance->config->enable_point_views)
&& $blockinstance->config->enable_point_views
&& (!isset($blockinstance->config->enable_point_views_new_modules)
|| $blockinstance->config->enable_point_views_new_modules);
if ($enablefornewmodules) {
$blockinstance->config->{'moduleselectm' . $event->objectid} = $event->objectid;
$blockinstance->instance_config_commit();
}
}
}
/**
* Course module deleted: delete config data and database entries for votes for this module.
*
* @param \core\event\course_module_deleted $event
*/
public static function remove(\core\event\course_module_deleted $event) {
global $DB;
$coursecontext = context_course::instance($event->courseid);
$blockrecord = $DB->get_record('block_instances', [ 'blockname' => 'point_view', 'parentcontextid' => $coursecontext->id ]);
if ($blockrecord !== false && !empty($blockrecord->configdata)) {
$blockinstance = block_instance('point_view', $blockrecord);
unset($blockinstance->config->{'moduleselectm' . $event->objectid});
unset($blockinstance->config->{'difficulty_' . $event->objectid});
$blockinstance->instance_config_commit();
}
$DB->delete_records('block_point_view', [ 'courseid' => $event->courseid, 'cmid' => $event->objectid ]);
}
}