Add automatic status change feature

lib/AppInfo/Application.php

@@ -73,6 +73,7 @@
 use OCA\Talk\Share\Listener as ShareListener;
 use OCA\Talk\Share\RoomShareProvider;
 use OCA\Talk\Signaling\Listener as SignalingListener;
+use OCA\Talk\Status\Listener as StatusListener;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
@@ -158,6 +159,7 @@ public function boot(IBootContext $context): void {
 		ResourceListener::register($dispatcher);
 		ChangelogListener::register($dispatcher);
 		ShareListener::register($dispatcher);
+		StatusListener::register($dispatcher);
 
 		$this->registerRoomActivityHooks($dispatcher);
 		$this->registerChatHooks($dispatcher);

lib/Status/Listener.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021 Carl Schwan <[email protected]>
+ *
+ * @author Carl Schwan <[email protected]>
+ * @author Joas Schilling <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Talk\Status;
+
+use OCA\Talk\Events\ModifyParticipantEvent;
+use OCA\Talk\Model\Attendee;
+use OCA\Talk\Room;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\UserStatus\IManager;
+use OCP\UserStatus\IUserStatus;
+
+class Listener {
+	/** @var IManager $statusManager */
+	public $statusManager;
+
+	public function __construct(IManager $statusManager) {
+		$this->statusManager = $statusManager;
+	}
+
+	public static function register(IEventDispatcher $dispatcher): void {
+		$dispatcher->addListener(Room::EVENT_BEFORE_SESSION_JOIN_CALL, static function (ModifyParticipantEvent $event) {
+			/** @var self $listener */
+			$listener = \OC::$server->get(self::class);
+			$listener->setUserStatus($event);
+		});
+
+		$dispatcher->addListener(Room::EVENT_AFTER_SESSION_LEAVE_CALL, static function (ModifyParticipantEvent $event) {
+			/** @var self $listener */
+			$listener = \OC::$server->get(self::class);
+			$listener->revertUserStatus($event);
+		});
+	}
+
+	public function setUserStatus(ModifyParticipantEvent $event): void {
+		if ($event->getParticipant()->getAttendee()->getActorType() === Attendee::ACTOR_USERS) {
+			$this->statusManager->setUserStatus($event->getParticipant()->getAttendee()->getActorId(), 'call', IUserStatus::AWAY, true);
+		}
+	}
+
+	public function revertUserStatus(ModifyParticipantEvent $event): void {
+		if ($event->getParticipant()->getAttendee()->getActorType() === Attendee::ACTOR_USERS) {
+			$this->statusManager->revertUserStatus($event->getParticipant()->getAttendee()->getActorId(), 'call', IUserStatus::AWAY);
+		}
+	}
+}