Decrease amount of categories in request form

lang/de/local_hsh.php

@@ -7,6 +7,10 @@
 
 $string['pluginname'] = 'HsH Anpassungen';
 // request
+$string['settingslabel'] = 'HSH Kursantrag';
+$string['categoriesenabledvisiblename'] = 'Kursbereiche';
+$string['categoriesenabledhelper'] = 'Kurskategorien für HSH Kursantrag auswählen';
+$string['categoriesenableddefault'] = 'Keine Kursbereiche ausgewählt';
 $string['courserequest'] = 'Kursbeantragung';
 $string['courserequestsuccess'] = '<p>Ihr Kursantrag wurde an das E-Learning Center übertragen und wird so schnell wie 
 möglich (i.d.R. in den nächsten drei Werktagen) bearbeitet. Sie werden umgehend per E-Mail über die Freischaltung informiert.</p> 

lang/en/local_hsh.php

@@ -5,6 +5,10 @@
  * Time: 10:48
  */
 $string['pluginname'] = 'HSH Edits';
+$string['settingslabel'] = 'HSH course request';
+$string['categoriesenabledvisiblename'] = 'Course categories';
+$string['categoriesenabledhelper'] = 'Select course categories for hsh course request form';
+$string['categoriesenableddefault'] = 'No course category selected';
 $string['courserequest'] = 'Course request';
 $string['courserequestsuccess'] = 'Your course request has been saved successfully. You will be sent an email to inform you whether your request was approved.';
 // request_form

request_form.php

@@ -132,8 +132,12 @@ class course_request_hsh_form extends moodleform {
      * @return array
      */
     private function get_short_categories_list() {
-        $courselist = core_course_category::make_categories_list('', 0, '$$$');
-        foreach ($courselist as &$actCourse) {
+        $selectedcatecorieids = get_config('local_hsh', 'categoriesenabled');
+        $selectedcatecories = core_course_category::get_many(explode(',', $selectedcatecorieids));
+        $categorylist = core_course_category::make_categories_list('', 0, '$$$');
+        $selected = array_intersect_key($categorylist, $selectedcatecories);
+        var_dump($selected);
+        foreach ($selected as &$actCourse) {
             $actCourseArr = explode('$$$', $actCourse);
             $actCourseSize = sizeof($actCourseArr);
             if ($actCourseSize > 1) {
@@ -144,7 +148,7 @@ class course_request_hsh_form extends moodleform {
                 $actCourse .= $actCourseArr[$actCourseSize - 1];
             }
         }
-        return $courselist;
+        return $selected;
     }
 
     // < HsH

settings.php

+<?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/>.
+
+/**
+ * Plugin settings for the local_hsh plugin.
+ *
+ * @package   local_hsh
+ * @copyright  2023, Elke Kreim <elke.kreim@hs-hannover.de>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+// Ensure the configurations for this site are set
+if ($hassiteconfig) {
+
+    // Create the new settings page
+    // - in a local plugin this is not defined as standard, so normal $settings->methods will throw an error as
+    // $settings will be null
+    $settings = new admin_settingpage('local_hsh', get_string('settingslabel', 'local_hsh'));
+
+    // Create
+    $ADMIN->add('localplugins', $settings);
+
+
+
+    $settings -> add(new admin_setting_configmultiselect(
+        'local_hsh/categoriesenabled',
+        get_string('categoriesenabledvisiblename', 'local_hsh' ),
+        get_string('categoriesenabledhelper', 'local_hsh' ),
+        array(),
+        core_course_category::make_categories_list()
+    ));
+
+
+    // Add a setting field to the settings for this page
+//    $settings->add(new admin_setting_configtext(
+//    // This is the reference you will use to your configuration
+//        'local_hsh/categoriesenabled',
+//
+//        // This is the friendly title for the config, which will be displayed
+//        get_string('categoriesenabledvisiblename', 'local_hsh' ),
+//
+//        // This is helper text for this config field
+//        get_string('categoriesenabledhelper', 'local_hsh' ),
+//
+//        // This is the default value
+//        get_string('categoriesenableddefault', 'local_hsh' ),
+//
+//        // This is the type of Parameter this config is
+//        PARAM_TEXT
+//    ));
+}
\ No newline at end of file