Do not load unnecessary classes in Application

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 239 insertions, 0 deletions

diff --git a/lib/Notification/Listener.php b/lib/Notification/Listener.php
new file mode 100644
index 000000000..c9cec226a
--- /dev/null
+++ b/lib/Notification/Listener.php
@@ -0,0 +1,239 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Spreed\Notification;
+
+use OCA\Spreed\Room;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\Notification\IManager;
+use OCP\ILogger;
+use OCP\IUser;
+use OCP\IUserSession;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\GenericEvent;
+
+class Listener {
+
+	/** @var IManager */
+	protected $notificationManager;
+	/** @var IUserSession */
+	protected $userSession;
+	/** @var ITimeFactory */
+	protected $timeFactory;
+	/** @var ILogger */
+	protected $logger;
+
+	public function __construct(IManager $notificationManager,
+								IUserSession $userSession,
+								ITimeFactory $timeFactory,
+								ILogger $logger) {
+		$this->notificationManager = $notificationManager;
+		$this->userSession = $userSession;
+		$this->timeFactory = $timeFactory;
+		$this->logger = $logger;
+	}
+
+	public static function register(EventDispatcherInterface $dispatcher): void {
+		$listener = function(GenericEvent $event) {
+			/** @var Room $room */
+			$room = $event->getSubject();
+
+			/** @var self $listener */
+			$listener = \OC::$server->query(self::class);
+			$listener->generateInvitation($room, $event->getArgument('users'));
+		};
+		$dispatcher->addListener(Room::class . '::postAddUsers', $listener);
+
+		$listener = function(GenericEvent $event) {
+			/** @var Room $room */
+			$room = $event->getSubject();
+
+			/** @var self $listener */
+			$listener = \OC::$server->query(self::class);
+			$listener->markInvitationRead($room);
+		};
+		$dispatcher->addListener(Room::class . '::postJoinRoom', $listener);
+
+		$listener = function(GenericEvent $event) {
+			/** @var Room $room */
+			$room = $event->getSubject();
+
+			/** @var self $listener */
+			$listener = \OC::$server->query(self::class);
+			$listener->generateCallNotifications($room);
+		};
+		$dispatcher->addListener(Room::class . '::preSessionJoinCall', $listener);
+
+		$listener = function(GenericEvent $event) {
+			/** @var Room $room */
+			$room = $event->getSubject();
+
+			/** @var self $listener */
+			$listener = \OC::$server->query(self::class);
+			$listener->markCallNotificationsRead($room);
+		};
+		$dispatcher->addListener(Room::class . '::postSessionJoinCall', $listener);
+	}
+
+	/**
+	 * Room invitation: "{actor} invited you to {call}"
+	 *
+	 * @param Room $room
+	 * @param array[] $participants
+	 */
+	public function generateInvitation(Room $room, array $participants): void {
+		$actor = $this->userSession->getUser();
+		if (!$actor instanceof IUser) {
+			return;
+		}
+		$actorId = $actor->getUID();
+
+		$notification = $this->notificationManager->createNotification();
+		$dateTime = $this->timeFactory->getDateTime();
+		try {
+			$notification->setApp('spreed')
+				->setDateTime($dateTime)
+				->setObject('room', $room->getToken())
+				->setSubject('invitation', [
+					'actorId' => $actor->getUID(),
+				]);
+		} catch (\InvalidArgumentException $e) {
+			$this->logger->logException($e, ['app' => 'spreed']);
+			return;
+		}
+
+		foreach ($participants as $participant) {
+			if ($actorId === $participant['userId']) {
+				// No activity for self-joining and the creator
+				continue;
+			}
+
+			try {
+				$notification->setUser($participant['userId']);
+				$this->notificationManager->notify($notification);
+			} catch (\InvalidArgumentException $e) {
+				$this->logger->logException($e, ['app' => 'spreed']);
+			}
+		}
+	}
+
+	/**
+	 * Room invitation: "{actor} invited you to {call}"
+	 *
+	 * @param Room $room
+	 */
+	public function markInvitationRead(Room $room): void {
+		$currentUser = $this->userSession->getUser();
+		if (!$currentUser instanceof IUser) {
+			return;
+		}
+
+		$notification = $this->notificationManager->createNotification();
+		try {
+			$notification->setApp('spreed')
+				->setUser($currentUser->getUID())
+				->setObject('room', $room->getToken())
+				->setSubject('invitation');
+			$this->notificationManager->markProcessed($notification);
+		} catch (\InvalidArgumentException $e) {
+			$this->logger->logException($e, ['app' => 'spreed']);
+			return;
+		}
+	}
+
+	/**
+	 * Call notification: "{user} wants to talk with you"
+	 *
+	 * @param Room $room
+	 */
+	public function generateCallNotifications(Room $room): void {
+		if ($room->getActiveSince() instanceof \DateTime) {
+			// Call already active => No new notifications
+			return;
+		}
+
+		if ($room->getObjectType() === 'file') {
+			return;
+		}
+
+		$actor = $this->userSession->getUser();
+		$actorId = $actor instanceof IUser ? $actor->getUID() :'';
+
+		$notification = $this->notificationManager->createNotification();
+		$dateTime = $this->timeFactory->getDateTime();
+		try {
+			// Remove all old notifications for this room
+			$notification->setApp('spreed')
+				->setObject('room', $room->getToken());
+			$this->notificationManager->markProcessed($notification);
+
+			$notification->setObject('call', $room->getToken());
+			$this->notificationManager->markProcessed($notification);
+
+			$notification->setSubject('call', [
+					'callee' => $actorId,
+				])
+				->setDateTime($dateTime);
+		} catch (\InvalidArgumentException $e) {
+			$this->logger->logException($e, ['app' => 'spreed']);
+			return;
+		}
+
+		$userIds = $room->getNotInCallUserIds();
+		foreach ($userIds as $userId) {
+			if ($actorId === $userId) {
+				continue;
+			}
+
+			try {
+				$notification->setUser($userId);
+				$this->notificationManager->notify($notification);
+			} catch (\InvalidArgumentException $e) {
+				$this->logger->logException($e, ['app' => 'spreed']);
+			}
+		}
+	}
+
+	/**
+	 * Call notification: "{user} wants to talk with you"
+	 *
+	 * @param Room $room
+	 */
+	public function markCallNotificationsRead(Room $room): void {
+		$currentUser = $this->userSession->getUser();
+		if (!$currentUser instanceof IUser) {
+			return;
+		}
+
+		$notification = $this->notificationManager->createNotification();
+		try {
+			$notification->setApp('spreed')
+				->setUser($currentUser->getUID())
+				->setObject('call', $room->getToken())
+				->setSubject('call');
+			$this->notificationManager->markProcessed($notification);
+		} catch (\InvalidArgumentException $e) {
+			$this->logger->logException($e, ['app' => 'spreed']);
+			return;
+		}
+	}
+}