Implement new hook callbacks #334

classes/hook_callbacks.php

@@ -0,0 +1,41 @@
+<?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/>.
+
+namespace auth_outage;
+
+use auth_outage\local\outagelib;
+use core\hook\output\before_standard_top_of_body_html_generation;
+
+/**
+ * Hook callbacks for auth_outage.
+ *
+ * @package   auth_outage
+ * @author    Benjamin Walker (benjaminwalker@catalyst-au.net)
+ * @copyright 2024 Catalyst IT
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class hook_callbacks {
+
+    /**
+     * Inject the warning bar into the page if there is currently an outage.
+     *
+     * @param before_standard_top_of_body_html_generation $hook
+     */
+    public static function before_standard_top_of_body_html_generation(before_standard_top_of_body_html_generation $hook): void {
+        // Get code to inject.
+        $hook->add_html(outagelib::get_inject_code());
+    }
+}