settings.php

<?php
// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.

/**
 * Plugin administration pages are defined here.
 *
 * @package     local_adele
 * @author      Jacob Viertel
 * @copyright  2023 Wunderbyte GmbH
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use local_adele\admin_setting_course_tags;
use local_adele\helper\role_names;
use local_adele\course_restriction\course_restriction_info;
defined('MOODLE_INTERNAL') || die();

$componentname = 'local_adele';

// Default for users that have site config.
if ($hassiteconfig) {
    // Add the category to the local plugin branch.
    $settings = new admin_settingpage('local_adele_settings', get_string('pluginname', $componentname));
    $ADMIN->add('localplugins', $settings);

    $rolenamesclass = new role_names();
    $rolenames = $rolenamesclass->get_role_names();

    // Select options.
    $settings->add(
        new admin_setting_configselect(
            $componentname . '/selectconfig',
            get_string('activefilter', $componentname),
            get_string('activefilter_desc', $componentname),
            'only_subscribed',
            [
                    'only_subscribed' => get_string('settings_only_subscribed', $componentname, $rolenames),
                    'all_courses' => get_string('settings_all_courses', $componentname),
            ]
        )
    );

    // Included tags.
    $settings->add(
        new admin_setting_course_tags(
            $componentname . '/includetags',
            get_string('tagsinclude', $componentname),
            get_string('tagsinclude_desc', $componentname),
            '',
            PARAM_TEXT
        )
    );

    // Excluded tags.
    $settings->add(
        new admin_setting_course_tags(
            $componentname . '/excludetags',
            get_string('tagsexclude', $componentname),
            get_string('tagsexclude_desc', $componentname),
            '',
            PARAM_TEXT
        )
    );

    // Category level.
    $categories = core_course_category::make_categories_list();
    $settings->add(new admin_setting_configmultiselect(
        $componentname . '/catfilter',
        get_string('categories', $componentname),
        get_string('categories_desc', $componentname),
        [],
        $categories
    ));

    // Restrict restrictions.
    $restrictions = course_restriction_info::get_restrictions();
    $matchedrestrictions = [];
    foreach ($restrictions as $key => $value) {
        $matchedrestrictions[$value['label']] = $value['name'];
    }
    $restnames = array_map(function ($item) {
        return $item['name'];
    }, $restrictions);

    $default_values = array_keys($matchedrestrictions);
    $settings->add(new admin_setting_configmultiselect(
        $componentname . '/restrictionfilter',
        get_string('nodes_restriction', $componentname),
        get_string('nodes_edit_restriction', $componentname),
        $default_values,
        $matchedrestrictions
    ));

    // Alise quiz settings.
    $settings->add(
        new admin_setting_configselect(
            $componentname . '/quizsettings',
            get_string('quiz_settings', $componentname),
            get_string('quiz_settings_desc', $componentname),
            'all_quiz_global',
            [
                    'single_quiz' => get_string('single_quiz', $componentname),
                    'all_quiz_global' => get_string('all_quiz_global', $componentname),
                    'all_quiz' => get_string('all_quiz', $componentname),
            ]
        )
    );

    // Learning Path Enrollment setting.
    $studentroleid = [];
    $allrolenames = role_get_names();
    $assignableroles = get_roles_for_contextlevels(CONTEXT_COURSE);
    $defaultroleid = null;

    foreach ($allrolenames as $value) {
        if (in_array($value->id, $assignableroles)) {
            $studentroleid[$value->id] = $value->localname;
            if ($value->shortname === 'student') {
                $defaultroleid = $value->id;
            }
        }
    }
    $settings->add(
        new admin_setting_configselect(
            $componentname . '/enroll_as_setting',
            get_string('enroll_as_setting', $componentname),
            get_string('enroll_as_setting_desc', $componentname),
            $defaultroleid,
            $studentroleid
        )
    );

    $allroles = ['0' => get_string('noroleassigned', 'local_adele')];
    // This should keep indexes.
    $allroles = $allroles + $studentroleid;
    // Add setting: role selector.
    $settings->add(new admin_setting_configselect(
        $componentname . '/enrollassistant',
        get_string('enroll_as_assistant', $componentname),
        get_string('enroll_as_assistant_desc', $componentname),
        '0', // Default value (no role selected).
        $allroles
    ));
}