From 44842a4e6bf5823e3b003421912c62bfc840fb61 Mon Sep 17 00:00:00 2001
From: Leonardo Galli <leonardo.galli@bluewin.ch>
Date: Mon, 24 Dec 2018 14:49:33 +0100
Subject: [PATCH] Fixed: Hopefully fixed issue where a null downloadId or title
 would cause no downloads to be tracked.

Fixes #3260
---
 .../TrackedDownloads/TrackedDownloadService.cs     | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs b/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
index b5bfa9fc0..bb061c91d 100644
--- a/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
+++ b/src/NzbDrone.Core/Download/TrackedDownloads/TrackedDownloadService.cs
@@ -44,6 +44,20 @@ namespace NzbDrone.Core.Download.TrackedDownloads
 
         public TrackedDownload TrackDownload(DownloadClientDefinition downloadClient, DownloadClientItem downloadItem)
         {
+            if (downloadItem.DownloadId.IsNullOrWhiteSpace())
+            {
+                _logger.Warn("The following download client item ({0}) has no download hash (id), so it cannot be tracked: {1}", 
+                    downloadClient.Name, downloadItem.Title);
+                return null;
+            }
+
+            if (downloadItem.Title.IsNullOrWhiteSpace())
+            {
+                _logger.Warn("The following download client item ({0}) has no title so it cannot be tracked: {1}",
+                    downloadClient.Name, downloadItem.Title);
+                return null;
+            }
+            
             var existingItem = Find(downloadItem.DownloadId);
 
             if (existingItem != null && existingItem.State != TrackedDownloadStage.Downloading)