Added worked a class observer

Signed-off-by: Valentin Popov <info@valentineus.link>

classes/event/observer.php

@@ -0,0 +1,44 @@
+<?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 local_webhooks\event;
+
+defined('MOODLE_INTERNAL') || die();
+
+use core\event\base as event;
+use core\task\manager;
+use local_webhooks\task\notify;
+use function defined;
+
+/**
+ * Class observer.
+ *
+ * @copyright 2019 'Valentin Popov' <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package   local_webhooks\event
+ */
+final class observer {
+    /**
+     * Main handler for events.
+     *
+     * @param \core\event\base $event
+     */
+    public static function handler(event $event) {
+        $task = new notify();
+        $task->set_custom_data($event->get_data());
+        manager::queue_adhoc_task($task);
+    }
+}