From ae2efbc116ffd0958b70c15223d061f01b3ff7b9 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Thu, 17 Jan 2019 18:47:16 -0800
Subject: [PATCH] Fixed: QueueSpecification failing when an unknown item is in
 the queue

---
 .../DecisionEngine/Specifications/QueueSpecification.cs    | 7 +++++--
 src/NzbDrone.Core/Parser/Model/RemoteEpisode.cs            | 5 +++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core/DecisionEngine/Specifications/QueueSpecification.cs b/src/NzbDrone.Core/DecisionEngine/Specifications/QueueSpecification.cs
index 5973b3725..782e4df7c 100644
--- a/src/NzbDrone.Core/DecisionEngine/Specifications/QueueSpecification.cs
+++ b/src/NzbDrone.Core/DecisionEngine/Specifications/QueueSpecification.cs
@@ -31,8 +31,11 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
         public Decision IsSatisfiedBy(RemoteEpisode subject, SearchCriteriaBase searchCriteria)
         {
             var queue = _queueService.GetQueue();
-            var matchingSeries = queue.Where(q => q.RemoteEpisode.Series != null && q.RemoteEpisode.Series.Id == subject.Series.Id);
-            var matchingEpisode = matchingSeries.Where(q => q.RemoteEpisode.Episodes.Select(e => e.Id).Intersect(subject.Episodes.Select(e => e.Id)).Any());
+            var matchingEpisode = queue.Where(q => q.RemoteEpisode != null &&
+                                                   q.RemoteEpisode.Series != null &&
+                                                   q.RemoteEpisode.Series.Id == subject.Series.Id &&
+                                                   q.RemoteEpisode.Episodes.Select(e => e.Id).Intersect(subject.Episodes.Select(e => e.Id)).Any())
+                                       .ToList();
 
             foreach (var queueItem in matchingEpisode)
             {
diff --git a/src/NzbDrone.Core/Parser/Model/RemoteEpisode.cs b/src/NzbDrone.Core/Parser/Model/RemoteEpisode.cs
index 1952ebc0e..5cd305016 100644
--- a/src/NzbDrone.Core/Parser/Model/RemoteEpisode.cs
+++ b/src/NzbDrone.Core/Parser/Model/RemoteEpisode.cs
@@ -16,6 +16,11 @@ namespace NzbDrone.Core.Parser.Model
         public TorrentSeedConfiguration SeedConfiguration { get; set; }
         public int PreferredWordScore { get; set; }
 
+        public RemoteEpisode()
+        {
+            Episodes = new List<Episode>();
+        }
+
         public bool IsRecentEpisode()
         {
             return Episodes.Any(e => e.AirDateUtc >= DateTime.UtcNow.Date.AddDays(-14));