Fix spelling of Signaling (single L)

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

1 files changed, 135 insertions, 0 deletions

diff --git a/lib/Signaling/Messages.php b/lib/Signaling/Messages.php
new file mode 100644
index 000000000..72d228cda
--- /dev/null
+++ b/lib/Signaling/Messages.php
@@ -0,0 +1,135 @@
+<?php
+/**
+ * @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\Signaling;
+
+
+use OCA\Spreed\Room;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+
+class Messages {
+
+	/** @var IDBConnection */
+	protected $db;
+
+	/** @var ITimeFactory */
+	protected $time;
+
+	/**
+	 * @param IDBConnection $db
+	 * @param ITimeFactory $time
+	 */
+	public function __construct(IDBConnection $db, ITimeFactory $time) {
+		$this->db = $db;
+		$this->time = $time;
+	}
+
+	/**
+	 * @param string[] $sessionIds
+	 */
+	public function deleteMessages(array $sessionIds) {
+		$query = $this->db->getQueryBuilder();
+		$query->delete('videocalls_signaling')
+			->where($query->expr()->in('recipient', $query->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)))
+			->orWhere($query->expr()->in('sender', $query->createNamedParameter($sessionIds, IQueryBuilder::PARAM_STR_ARRAY)));
+		$query->execute();
+	}
+
+	/**
+	 * @param string $senderSessionId
+	 * @param string $recipientSessionId
+	 * @param string $message
+	 */
+	public function addMessage($senderSessionId, $recipientSessionId, $message) {
+		$query = $this->db->getQueryBuilder();
+		$query->insert('videocalls_signaling')
+			->values(
+				[
+					'sender' => $query->createNamedParameter($senderSessionId),
+					'recipient' => $query->createNamedParameter($recipientSessionId),
+					'timestamp' => $query->createNamedParameter($this->time->getTime()),
+					'message' => $query->createNamedParameter($message),
+				]
+			);
+		$query->execute();
+	}
+
+	/**
+	 * @param Room $room
+	 * @param string $message
+	 */
+	public function addMessageForAllParticipants(Room $room, $message) {
+		$query = $this->db->getQueryBuilder();
+		$query->insert('videocalls_signaling')
+			->values(
+				[
+					'sender' => $query->createParameter('sender'),
+					'recipient' => $query->createParameter('recipient'),
+					'timestamp' => $query->createNamedParameter($this->time->getTime()),
+					'message' => $query->createNamedParameter($message),
+				]
+			);
+
+		foreach ($room->getActiveSessions() as $sessionId) {
+			$query->setParameter('sender', $sessionId)
+				->setParameter('recipient', $sessionId)
+				->execute();
+		}
+	}
+
+	/**
+	 * Get messages and delete them afterwards
+	 *
+	 * To make sure we don't delete messages which we didn't return
+	 * we do it with 1 second difference. This means you don't receive messages
+	 * immediately, but the next polling is only 1 second later and will get the
+	 * "new" message.
+	 *
+	 * @param $sessionId
+	 * @return array
+	 */
+	public function getAndDeleteMessages($sessionId) {
+		$messages = [];
+		$time = $this->time->getTime() - 1;
+
+		$query = $this->db->getQueryBuilder();
+		$query->select('*')
+			->from('videocalls_signaling')
+			->where($query->expr()->eq('recipient', $query->createNamedParameter($sessionId)))
+			->andWhere($query->expr()->lte('timestamp', $query->createNamedParameter($time)));
+		$result = $query->execute();
+
+		while ($row = $result->fetch()) {
+			$messages[] = ['type' => 'message', 'data' => $row['message']];
+		}
+		$result->closeCursor();
+
+		$query = $this->db->getQueryBuilder();
+		$query->delete('videocalls_signaling')
+			->where($query->expr()->eq('recipient', $query->createNamedParameter($sessionId)))
+			->andWhere($query->expr()->lte('timestamp', $query->createNamedParameter($time)));
+		$query->execute();
+
+		return $messages;
+	}
+}