Switch data source from notify to notification in Module\Notifications\Ping

- Change unused FormattedNotification classes to FormattedNavNotification classes

src/Navigation/Notifications/Repository/Notification.php

@@ -100,6 +100,36 @@ class Notification extends BaseRepository
 		return $this->select($condition, $params);
 	}
 
+	/**
+	 * Returns only the most recent notifications for the same conversation or contact
+	 *
+	 * @param int $uid
+	 * @return Collection\Notifications
+	 * @throws Exception
+	 */
+	public function selectDigestForUser(int $uid): Collection\Notifications
+	{
+		$rows = $this->db->p("
+		SELECT notification.*
+		FROM notification
+		WHERE id IN (
+		    SELECT MAX(`id`)
+		    FROM notification
+		    WHERE uid = ?
+		    GROUP BY IFNULL(`parent-uri-id`, `actor-id`)
+		)
+		ORDER BY `seen`, `id` DESC
+		LIMIT 50
+		", $uid);
+
+		$Entities = new Collection\Notifications();
+		foreach ($rows as $fields) {
+			$Entities[] = $this->factory->createFromTableRow($fields);
+		}
+
+		return $Entities;
+	}
+
 	public function selectAllForUser(int $uid): Collection\Notifications
 	{
 		return $this->selectForUser($uid);