Fix: When removing pending items from the queue remove all releases for that episode

src/NzbDrone.Api/Queue/QueueActionModule.cs

@@ -55,7 +55,7 @@ namespace NzbDrone.Api.Queue
 
             if (pendingRelease != null)
             {
-                _pendingReleaseService.RemovePendingQueueItem(id);
+                _pendingReleaseService.RemovePendingQueueItems(pendingRelease.Id);
 
                 return new object().AsResponse();
             }

src/NzbDrone.Core.Test/Download/Pending/PendingReleaseServiceTests/RemovePendingFixture.cs

@@ -0,0 +1,119 @@
+using System.Collections.Generic;
+using System.Linq;
+using Moq;
+using NUnit.Framework;
+using NzbDrone.Core.Download.Pending;
+using NzbDrone.Core.Parser.Model;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.Download.Pending.PendingReleaseServiceTests
+{
+    [TestFixture]
+    public class RemovePendingFixture : CoreTest<PendingReleaseService>
+    {
+
+        private List<PendingRelease> _pending;
+
+        [SetUp]
+        public void Setup()
+        {
+            _pending = new List<PendingRelease>();
+
+            Mocker.GetMock<IPendingReleaseRepository>()
+                 .Setup(s => s.AllBySeriesId(It.IsAny<int>()))
+                 .Returns(_pending);
+
+            Mocker.GetMock<IPendingReleaseRepository>()
+                  .Setup(s => s.Get(It.IsAny<int>()))
+                  .Returns<int>(r => _pending.Single(c => c.Id == r));
+        }
+
+        private void AddPending(int id, int seasonNumber, int[] episodes)
+        {
+            _pending.Add(new PendingRelease
+             {
+                 Id = id,
+                 ParsedEpisodeInfo = new ParsedEpisodeInfo { SeasonNumber = seasonNumber, EpisodeNumbers = episodes }
+             });
+        }
+
+        [Test]
+        public void should_remove_same_release()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 3 });
+
+            Subject.RemovePendingQueueItems(1);
+
+            AssertRemoved(1);
+        }
+
+
+        [Test]
+        public void should_remove_multiple_releases_release()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 2, seasonNumber: 2, episodes: new[] { 2 });
+            AddPending(id: 3, seasonNumber: 2, episodes: new[] { 3 });
+            AddPending(id: 4, seasonNumber: 2, episodes: new[] { 3 });
+
+            Subject.RemovePendingQueueItems(3);
+
+            AssertRemoved(3, 4);
+        }
+
+        [Test]
+        public void should_not_remove_diffrent_season()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 2, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 3, seasonNumber: 3, episodes: new[] { 1 });
+            AddPending(id: 4, seasonNumber: 3, episodes: new[] { 1 });
+
+            Subject.RemovePendingQueueItems(1);
+
+            AssertRemoved(1, 2);
+        }
+
+        [Test]
+        public void should_not_remove_diffrent_episodes()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 2, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 3, seasonNumber: 2, episodes: new[] { 2 });
+            AddPending(id: 4, seasonNumber: 2, episodes: new[] { 3 });
+
+            Subject.RemovePendingQueueItems(1);
+
+            AssertRemoved(1, 2);
+        }
+
+        [Test]
+        public void should_not_remove_multiepisodes()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 2, seasonNumber: 2, episodes: new[] { 1, 2 });
+
+            Subject.RemovePendingQueueItems(1);
+
+            AssertRemoved(1);
+        }
+
+        [Test]
+        public void should_not_remove_singleepisodes()
+        {
+            AddPending(id: 1, seasonNumber: 2, episodes: new[] { 1 });
+            AddPending(id: 2, seasonNumber: 2, episodes: new[] { 1, 2 });
+
+            Subject.RemovePendingQueueItems(2);
+
+            AssertRemoved(2);
+        }
+
+
+        private void AssertRemoved(params int[] ids)
+        {
+            Mocker.GetMock<IPendingReleaseRepository>().Verify(c => c.DeleteMany(It.Is<IEnumerable<int>>(s => s.SequenceEqual(ids))));
+        }
+    }
+
+}

src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -166,6 +166,7 @@
     <Compile Include="Download\DownloadClientTests\UTorrentTests\UTorrentFixture.cs" />
     <Compile Include="Download\DownloadServiceFixture.cs" />
     <Compile Include="Download\FailedDownloadServiceFixture.cs" />
+    <Compile Include="Download\Pending\PendingReleaseServiceTests\RemovePendingFixture.cs" />
     <Compile Include="Download\Pending\PendingReleaseServiceTests\RemoveRejectedFixture.cs" />
     <Compile Include="Download\Pending\PendingReleaseServiceTests\RemoveGrabbedFixture.cs" />
     <Compile Include="Download\Pending\PendingReleaseServiceTests\AddFixture.cs" />

src/NzbDrone.Core/Download/Pending/PendingReleaseService.cs

@@ -26,7 +26,7 @@ namespace NzbDrone.Core.Download.Pending
         List<RemoteEpisode> GetPendingRemoteEpisodes(int seriesId);
         List<Queue.Queue> GetPendingQueue();
         Queue.Queue FindPendingQueueItem(int queueId);
-        void RemovePendingQueueItem(int queueId);
+        void RemovePendingQueueItems(int episodeId);
         RemoteEpisode OldestPendingRelease(int seriesId, IEnumerable<int> episodeIds);
     }
 
@@ -74,7 +74,7 @@ namespace NzbDrone.Core.Download.Pending
                                                              .Intersect(episodeIds)
                                                              .Any());
 
-            if (existingReports.Any(MatchingReleasePredicate(decision)))
+            if (existingReports.Any(MatchingReleasePredicate(decision.RemoteEpisode.Release)))
             {
                 _logger.Debug("This release is already pending, not adding again");
                 return;
@@ -152,11 +152,17 @@ namespace NzbDrone.Core.Download.Pending
             return GetPendingQueue().SingleOrDefault(p => p.Id == queueId);
         }
 
-        public void RemovePendingQueueItem(int queueId)
+        public void RemovePendingQueueItems(int queueId)
         {
-            var id = FindPendingReleaseId(queueId);
+            var targetItem = _repository.Get(queueId);
+            var seriesReleases = _repository.AllBySeriesId(targetItem.SeriesId);
 
-            _repository.Delete(id);
+
+            var releasesToRemove = seriesReleases.Where(
+                c => c.ParsedEpisodeInfo.SeasonNumber == targetItem.ParsedEpisodeInfo.SeasonNumber &&
+                     c.ParsedEpisodeInfo.EpisodeNumbers.SequenceEqual(targetItem.ParsedEpisodeInfo.EpisodeNumbers));
+
+            _repository.DeleteMany(releasesToRemove.Select(c => c.Id));
         }
 
         public RemoteEpisode OldestPendingRelease(int seriesId, IEnumerable<int> episodeIds)
@@ -223,11 +229,11 @@ namespace NzbDrone.Core.Download.Pending
             _eventAggregator.PublishEvent(new PendingReleasesUpdatedEvent());
         }
 
-        private Func<PendingRelease, bool> MatchingReleasePredicate(DownloadDecision decision)
+        private static Func<PendingRelease, bool> MatchingReleasePredicate(ReleaseInfo release)
         {
-            return p => p.Title == decision.RemoteEpisode.Release.Title &&
+            return p => p.Title == release.Title &&
-                   p.Release.PublishDate == decision.RemoteEpisode.Release.PublishDate &&
+                   p.Release.PublishDate == release.PublishDate &&
-                   p.Release.Indexer == decision.RemoteEpisode.Release.Indexer;
+                   p.Release.Indexer == release.Indexer;
         }
 
         private int GetDelay(RemoteEpisode remoteEpisode)
@@ -278,7 +284,7 @@ namespace NzbDrone.Core.Download.Pending
 
             foreach (var rejectedRelease in rejected)
             {
-                var matching = pending.SingleOrDefault(MatchingReleasePredicate(rejectedRelease));
+                var matching = pending.SingleOrDefault(MatchingReleasePredicate(rejectedRelease.RemoteEpisode.Release));
 
                 if (matching != null)
                 {