cleaned up history lookup.

NzbDrone.Core.Test/DecisionEngineTests/UpgradeHistorySpecificationFixture.cs

@@ -67,9 +67,9 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
             firstQuality = new QualityModel(Quality.Bluray1080p, true);
             secondQuality = new QualityModel(Quality.Bluray1080p, true);
 
-            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(fakeSeries.Id, 12, 3)).Returns(firstQuality);
+            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(1)).Returns(firstQuality);
-            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(fakeSeries.Id, 12, 4)).Returns(secondQuality);
+            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(2)).Returns(secondQuality);
-            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(fakeSeries.Id, 12, 5)).Returns<QualityModel>(null);
+            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(3)).Returns<QualityModel>(null);
         }
 
         private void WithFirstReportUpgradable()
@@ -125,7 +125,7 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
             parseResultSingle.Quality = new QualityModel(Quality.WEBDL1080p, false);
             firstQuality = new QualityModel(Quality.WEBDL1080p, false);
 
-            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(fakeSeries.Id, 12, 3)).Returns(firstQuality);
+            Mocker.GetMock<IHistoryService>().Setup(c => c.GetBestQualityInHistory(1)).Returns(firstQuality);
 
             _upgradeHistory.IsSatisfiedBy(parseResultSingle).Should().BeFalse();
         }

NzbDrone.Core.Test/HistoryTests/HistoryServiceTest.cs

@@ -37,7 +37,7 @@ namespace NzbDrone.Core.Test.HistoryTests
         [Test]
         public void GetBestQualityInHistory_no_result()
         {
-            Subject.GetBestQualityInHistory(12, 12, 12).Should().Be(null);
+            Subject.GetBestQualityInHistory(12).Should().Be(null);
         }
 
         [Test]
@@ -54,12 +54,12 @@ namespace NzbDrone.Core.Test.HistoryTests
             var history = Builder<History.History>.CreateNew()
                 .With(c => c.Id = 0)
                 .With(h => h.Quality = new QualityModel(Quality.Bluray720p, true))
-                .With(h => h.Episode = episode)
+                .With(h => h.EpisodeId = episode.Id)
                 .Build();
 
             Db.Insert(history);
 
-            var result = Subject.GetBestQualityInHistory(episode.SeriesId, episode.SeasonNumber, episode.EpisodeNumber);
+            var result = Subject.GetBestQualityInHistory(episode.Id);
 
             result.Should().NotBeNull();
             result.Quality.Should().Be(Quality.Bluray720p);
@@ -81,7 +81,7 @@ namespace NzbDrone.Core.Test.HistoryTests
                     .CreateListOfSize(5)
                     .All()
                     .With(c => c.Id = 0)
-                    .With(h => h.Episode = episode)
+                    .With(h => h.EpisodeId = episode.Id)
                     .TheFirst(1)
                     .With(h => h.Quality = new QualityModel(Quality.DVD, true))
                     .TheNext(1)
@@ -96,7 +96,7 @@ namespace NzbDrone.Core.Test.HistoryTests
 
             Db.InsertMany(history);
 
-            var result = Subject.GetBestQualityInHistory(episode.SeriesId, episode.SeasonNumber, episode.EpisodeNumber);
+            var result = Subject.GetBestQualityInHistory(episode.Id);
 
             result.Should().NotBeNull();
             result.Quality.Should().Be(Quality.Bluray720p);

NzbDrone.Core/Datastore/BasicRepository.cs

@@ -29,6 +29,7 @@ namespace NzbDrone.Core.Datastore
         bool HasItems();
         void DeleteMany(IEnumerable<int> ids);
         void UpdateFields<TKey>(TModel model, Expression<Func<TModel, TKey>> onlyFields);
+        List<TModel> Where(SqlExpressionVisitor<TModel> expression);
     }
 
     public class BasicRepository<TModel> : IBasicRepository<TModel> where TModel : ModelBase, new()
@@ -93,6 +94,11 @@ namespace NzbDrone.Core.Datastore
             return _database.Select(predicate);
         }
 
+        public List<TModel> Where(SqlExpressionVisitor<TModel> expression)
+        {
+            return _database.Select(expression);
+        }
+
         public TModel Insert(TModel model)
         {
             if (model.Id != 0)

NzbDrone.Core/DecisionEngine/Specifications/UpgradeHistorySpecification.cs

@@ -29,7 +29,7 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
         {
             foreach (var episode in subject.Episodes)
             {
-                var bestQualityInHistory = _historyService.GetBestQualityInHistory(subject.Series.Id, episode.SeasonNumber, episode.EpisodeNumber);
+                var bestQualityInHistory = _historyService.GetBestQualityInHistory(episode.Id);
                 if (bestQualityInHistory != null)
                 {
                     _logger.Trace("Comparing history quality with report. History is {0}", bestQualityInHistory);

NzbDrone.Core/History/History.cs

@@ -7,6 +7,7 @@ namespace NzbDrone.Core.History
 {
     public class History : ModelBase
     {
+        public int EpisodeId { get; set; }
         public string NzbTitle { get; set; }
         public QualityModel Quality { get; set; }
         public DateTime Date { get; set; }
@@ -14,6 +15,5 @@ namespace NzbDrone.Core.History
         public string NzbInfoUrl { get; set; }
         public string ReleaseGroup { get; set; }
 
-        public Episode Episode { get; set; }
     }
 }

NzbDrone.Core/History/HistoryRepository.cs

@@ -9,7 +9,7 @@ namespace NzbDrone.Core.History
     public interface IHistoryRepository : IBasicRepository<History>
     {
         void Trim();
-        QualityModel GetBestQualityInHistory(int seriesId, int seasonNumber, int episodeNumber);
+        QualityModel GetBestQualityInHistory(int episodeId);
     }
 
     public class HistoryRepository : BasicRepository<History>, IHistoryRepository
@@ -26,9 +26,9 @@ namespace NzbDrone.Core.History
         }
 
 
-        public QualityModel GetBestQualityInHistory(int seriesId, int seasonNumber, int episodeNumber)
+        public QualityModel GetBestQualityInHistory(int episodeId)
         {
-            var history = Where(c => c.Episode.Series.Id == seriesId && c.Episode.SeasonNumber == seasonNumber && c.Episode.EpisodeNumber == episodeNumber)
+            var history = Where(c => c.EpisodeId == episodeId)
                 .OrderByDescending(c => c.Quality).FirstOrDefault();
 
             if (history != null)

NzbDrone.Core/History/HistoryService.cs

@@ -13,7 +13,7 @@ namespace NzbDrone.Core.History
         List<History> All();
         void Purge();
         void Trim();
-        QualityModel GetBestQualityInHistory(int seriesId, int seasonNumber, int episodeNumber);
+        QualityModel GetBestQualityInHistory(int episodeId);
     }
 
     public class HistoryService : IHistoryService, IHandle<EpisodeGrabbedEvent>
@@ -43,9 +43,9 @@ namespace NzbDrone.Core.History
             _historyRepository.Trim();
         }
 
-        public virtual QualityModel GetBestQualityInHistory(int seriesId, int seasonNumber, int episodeNumber)
+        public virtual QualityModel GetBestQualityInHistory(int episodeId)
         {
-            return _historyRepository.GetBestQualityInHistory(seriesId, seasonNumber, episodeNumber);
+            return _historyRepository.GetBestQualityInHistory(episodeId);
         }
 
         public void Handle(EpisodeGrabbedEvent message)
@@ -58,7 +58,7 @@ namespace NzbDrone.Core.History
                     Indexer = message.ParseResult.Indexer,
                     Quality = message.ParseResult.Quality,
                     NzbTitle = message.ParseResult.OriginalString,
-                    Episode = episode,
+                    EpisodeId = episode.Id,
                     NzbInfoUrl = message.ParseResult.NzbInfoUrl,
                     ReleaseGroup = message.ParseResult.ReleaseGroup,
                 };