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