added privacy provider

classes/privacy/provider.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/>.
+
+/**
+ * Privacy Subsystem implementation for filter_opencast.
+ *
+ * @package    filter_opencast
+ * @copyright  2021 Tamara Gunkel <tamara.gunkel@wi.uni-muenster.de>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace filter_opencast\privacy;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Privacy Subsystem for filter_opencast implementing null_provider.
+ *
+ * @copyright  2021 Tamara Gunkel <tamara.gunkel@wi.uni-muenster.de>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason() : string {
+        return 'privacy:metadata';
+    }
+}

lang/en/filter_opencast.php

@@ -25,6 +25,7 @@
 defined('MOODLE_INTERNAL') || die();
 $string['filtername'] = 'Opencast';
 $string['pluginname'] = 'Opencast Filter';
+$string['privacy:metadata'] = 'The Opencast filter plugin does not store any personal data.';
 $string['setting_episodeurl'] = 'URL template for filtering';
 $string['setting_episodeurl_desc'] = 'URLs matching this template are replaced with the Opencast player. You must use the placeholder [EPISODEID] to indicate where the episode ID is contained in the URL e.g. http://stable.opencast.de/play/[EPISODEID]';
 $string['setting_configurl'] = 'URL to Paella config.json';