Add null privacy provider

classes/privacy/provider.php

@@ -0,0 +1,40 @@
+<?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.
+ *
+ * @package gradingform_checklist
+ * @author  Nathan Nguyen <nathannguyen@catalyst-au.net>
+ * @copyright  Catalyst IT
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace gradingform_checklist\privacy;
+
+defined('MOODLE_INTERNAL') || die();
+
+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/gradingform_checklist.php

@@ -90,3 +90,5 @@
 $string['enablegroupremarks'] = 'Allow grader to add text remarks for each checklist group';
 $string['showremarksstudent'] = 'Show all remarks to those being graded';
 $string['unchecked'] = 'Unchecked';
+// Privacy.
+$string['privacy:metadata'] = 'This plugin does not store personal data.';