Add separate NotificationHelper to keep code together

Signed-off-by: Julius Härtl <jus@bitgrid.net>
2017-09-18 20:59:16 +02:00
parent a346e215cd
commit 07132126a9
4 changed files with 183 additions and 101 deletions
--- a/lib/Notification/NotificationHelper.php
+++ b/lib/Notification/NotificationHelper.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @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\Deck\Notification;
+
+use DateTime;
+use OCA\Deck\Db\Acl;
+use OCA\Deck\Db\BoardMapper;
+use OCA\Deck\Db\CardMapper;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\Notification\IManager;
+
+class NotificationHelper {
+
+	/** @var CardMapper */
+	protected $cardMapper;
+	/** @var BoardMapper */
+	protected $boardMapper;
+	/** @var IManager */
+	protected $notificationManager;
+	/** @var IGroupManager */
+	protected $groupManager;
+	/** @var string */
+	protected $currentUser;
+	/** @var array */
+	private $users = [];
+	/** @var array */
+	private $boards = [];
+
+	public function __construct(
+		CardMapper $cardMapper,
+		BoardMapper $boardMapper,
+		IManager $notificationManager,
+		$userId
+	) {
+		$this->cardMapper = $cardMapper;
+		$this->boardMapper = $boardMapper;
+		$this->notificationManager = $notificationManager;
+		$this->currentUser = $userId;
+	}
+
+	public function sendCardDuedate($card) {
+		// check if notification has already been sent
+		// ideally notifications should not be deleted once seen by the user so we can
+		// also deliver due date notifications for users who have been added later to a board
+		// this should maybe be addressed in nextcloud/server
+		if ($card->getNotified()) {
+			return;
+		}
+
+		// TODO: Once assigning users is possible, those should be notified instead of all users of the board
+		$boardId = $this->cardMapper->findBoardId($card->getId());
+		/** @var IUser $user */
+		foreach ($this->getUsers($boardId) as $user) {
+			$notification = $this->notificationManager->createNotification();
+			$notification
+				->setApp('deck')
+				->setUser($user)
+				->setObject('card', $card->getId())
+				->setSubject('card-overdue', [
+					$card->getTitle(), $this->boards[(string)$boardId]->getTitle()
+				])
+				->setDateTime(new DateTime($card->getDuedate()));
+			$this->notificationManager->notify($notification);
+		}
+		$this->cardMapper->markNotified($card);
+	}
+
+	/**
+	 * Send notifications that a board was shared with a user/group
+	 *
+	 * @param $boardId
+	 * @param $acl
+	 */
+	public function sendBoardShared($boardId, $acl) {
+		$board = $this->boardMapper->find($boardId);
+		if ($acl->getType() === Acl::PERMISSION_TYPE_USER) {
+			$notification = $this->generateBoardShared($board, $acl->getParticipant());
+			$this->notificationManager->notify($notification);
+		}
+		if ($acl->getType() === Acl::PERMISSION_TYPE_GROUP) {
+			$this->groupManager = \OC::$server->getGroupManager();
+			$group = $this->groupManager->get($acl->getParticipant());
+			foreach ($group->getUsers() as $user) {
+				$notification = $this->generateBoardShared($board, $user->getUID());
+				$this->notificationManager->notify($notification);
+			}
+		}
+	}
+
+	private function generateBoardShared($board, $userId) {
+		$notification = $this->notificationManager->createNotification();
+		$notification
+			->setApp('deck')
+			->setUser($userId)
+			->setDateTime(new DateTime())
+			->setObject('board', $board->getId())
+			->setSubject('board-shared', [$board->getTitle(), $this->currentUser]);
+		return $notification;
+	}
+
+	/**
+	 * Get users that have access to a board
+	 *
+	 * @param $boardId
+	 * @return mixed
+	 */
+	private function getUsers($boardId) {
+		// cache users of a board so we don't query them for every cards
+		if (array_key_exists((string)$boardId, $this->users)) {
+			return $this->users[(string)$boardId];
+		}
+		$this->boards[(string)$boardId] = $this->boardMapper->find($boardId, false, true);
+		$users = [$this->boards[(string)$boardId]->getOwner()];
+		/** @var Acl $acl */
+		foreach ($this->boards[(string)$boardId]->getAcl() as $acl) {
+			if ($acl->getType() === Acl::PERMISSION_TYPE_USER) {
+				$users[] = $acl->getParticipant();
+			}
+			if ($acl->getType() === Acl::PERMISSION_TYPE_GROUP) {
+				$group = \OC::$server->getGroupManager()->get($acl->getParticipant());
+				/** @var IUser $user */
+				foreach ($group->getUsers() as $user) {
+					$users[] = $user->getUID();
+				}
+			}
+		}
+		$this->users[(string)$boardId] = array_unique($users);
+		return $this->users[(string)$boardId];
+	}
+
+}