New: Search for recently aired anime episodes with added absolute episode number

Closes #2044

src/NzbDrone.Core.Test/TvTests/RefreshEpisodeServiceFixture.cs

@@ -453,5 +453,33 @@ namespace NzbDrone.Core.Test.TvTests
             _updatedEpisodes.First().EpisodeNumber.Should().Be(episodes[1].EpisodeNumber);
             _updatedEpisodes.First().AbsoluteEpisodeNumber.Should().Be(episodes[1].AbsoluteEpisodeNumber);
         }
+
+        [Test]
+        public void should_mark_updated_episodes_that_have_newly_added_absolute_episode_number()
+        {
+            var episodes = Builder<Episode>.CreateListOfSize(3)
+                .Build()
+                .ToList();
+
+            var existingEpisodes = new List<Episode>
+            {
+                episodes[0],
+                episodes[1]
+            };
+
+            existingEpisodes[0].AbsoluteEpisodeNumber = null;
+
+            Mocker.GetMock<IEpisodeService>().Setup(c => c.GetEpisodeBySeries(It.IsAny<int>()))
+                .Returns(existingEpisodes);
+
+            Subject.RefreshEpisodeInfo(GetAnimeSeries(), episodes);
+
+            _updatedEpisodes.First().SeasonNumber.Should().Be(episodes[1].SeasonNumber);
+            _updatedEpisodes.First().EpisodeNumber.Should().Be(episodes[1].EpisodeNumber);
+            _updatedEpisodes.First().AbsoluteEpisodeNumber.Should().NotBeNull();
+            _updatedEpisodes.First().AbsoluteEpisodeNumberAdded.Should().BeTrue();
+
+            _insertedEpisodes.Any(e => e.AbsoluteEpisodeNumberAdded).Should().BeFalse();
+        }
     }
 }

src/NzbDrone.Core/Datastore/TableMapping.cs

@@ -126,6 +126,7 @@ namespace NzbDrone.Core.Datastore
                   .Ignore(e => e.SeriesTitle)
                   .Ignore(e => e.Series)
                   .Ignore(e => e.HasFile)
+                  .Ignore(e => e.AbsoluteEpisodeNumberAdded)
                   .HasOne(s => s.EpisodeFile, s => s.EpisodeFileId);
 
             Mapper.Entity<QualityDefinition>("QualityDefinitions").RegisterModel()

src/NzbDrone.Core/Tv/Episode.cs

@@ -46,6 +46,7 @@ namespace NzbDrone.Core.Tv
         public Series Series { get; set; }
 
         public bool HasFile => EpisodeFileId > 0;
+        public bool AbsoluteEpisodeNumberAdded { get; set; }
 
         public override string ToString()
         {

src/NzbDrone.Core/Tv/EpisodeRefreshedService.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using NLog;
@@ -11,19 +11,19 @@ using NzbDrone.Core.Tv.Events;
 
 namespace NzbDrone.Core.Tv
 {
-    public interface IEpisodeAddedService
+    public interface IEpisodeRefreshedService
     {
-        void SearchForRecentlyAdded(int seriesId);
+        void Search(int seriesId);
     }
 
-    public class EpisodeAddedService : IHandle<EpisodeInfoRefreshedEvent>, IEpisodeAddedService
+    public class EpisodeRefreshedService : IEpisodeRefreshedService, IHandle<EpisodeInfoRefreshedEvent>
     {
         private readonly IManageCommandQueue _commandQueueManager;
         private readonly IEpisodeService _episodeService;
         private readonly Logger _logger;
-        private readonly ICached<List<int>> _addedEpisodesCache;
+        private readonly ICached<List<int>> _searchCache;
 
-        public EpisodeAddedService(ICacheManager cacheManager,
+        public EpisodeRefreshedService(ICacheManager cacheManager,
                                    IManageCommandQueue commandQueueManager,
                                    IEpisodeService episodeService,
                                    Logger logger)
@@ -31,12 +31,12 @@ namespace NzbDrone.Core.Tv
             _commandQueueManager = commandQueueManager;
             _episodeService = episodeService;
             _logger = logger;
-            _addedEpisodesCache = cacheManager.GetCache<List<int>>(GetType());
+            _searchCache = cacheManager.GetCache<List<int>>(GetType());
         }
 
-        public void SearchForRecentlyAdded(int seriesId)
+        public void Search(int seriesId)
         {
-            var previouslyAired = _addedEpisodesCache.Find(seriesId.ToString());
+            var previouslyAired = _searchCache.Find(seriesId.ToString());
 
             if (previouslyAired != null && previouslyAired.Any())
             {
@@ -48,7 +48,7 @@ namespace NzbDrone.Core.Tv
                 }
             }
 
-            _addedEpisodesCache.Remove(seriesId.ToString());
+            _searchCache.Remove(seriesId.ToString());
         }
 
         public void Handle(EpisodeInfoRefreshedEvent message)
@@ -61,29 +61,39 @@ namespace NzbDrone.Core.Tv
                     return;
                 }
 
-                if (message.Added.Empty())
-                {
-                    _logger.Debug("No new episodes, skipping search");
-                    return;
-                }
-
-                if (message.Added.None(a => a.AirDateUtc.HasValue))
-                {
-                    _logger.Debug("No new episodes have an air date");
-                    return;
-                }
-
-                var previouslyAired = message.Added.Where(a => a.AirDateUtc.HasValue
-                    && a.AirDateUtc.Value.Between(DateTime.UtcNow.AddDays(-14), DateTime.UtcNow.AddDays(1))
-                    && a.Monitored).ToList();
+                var previouslyAired = message.Added.Where(a =>
+                        a.AirDateUtc.HasValue &&
+                        a.AirDateUtc.Value.Between(DateTime.UtcNow.AddDays(-14), DateTime.UtcNow.AddDays(1)) &&
+                        a.Monitored)
+                    .ToList();
 
                 if (previouslyAired.Empty())
                 {
                     _logger.Debug("Newly added episodes all air in the future");
-                    return;
+                    _searchCache.Set(message.Series.Id.ToString(), previouslyAired.Select(e => e.Id).ToList());
                 }
 
-                _addedEpisodesCache.Set(message.Series.Id.ToString(), previouslyAired.Select(e => e.Id).ToList());
+                var absoluteEpisodeNumberAdded = message.Updated.Where(a =>
+                        a.AbsoluteEpisodeNumberAdded &&
+                        a.AirDateUtc.HasValue &&
+                        a.AirDateUtc.Value.Between(DateTime.UtcNow.AddDays(-14), DateTime.UtcNow.AddDays(1)) &&
+                        a.Monitored)
+                    .ToList();
+
+                if (absoluteEpisodeNumberAdded.Empty())
+                {
+                    _logger.Debug("No updated episodes recently aired and had absolute episode number added");
+                }
+
+                var toSearch = new List<int>();
+
+                toSearch.AddRange(previouslyAired.Select(e => e.Id));
+                toSearch.AddRange(absoluteEpisodeNumberAdded.Select(e => e.Id));
+
+                if (toSearch.Any())
+                {
+                    _searchCache.Set(message.Series.Id.ToString(), toSearch.Distinct().ToList());
+                }
             }
         }
     }

src/NzbDrone.Core/Tv/RefreshEpisodeService.cs

@@ -59,6 +59,14 @@ namespace NzbDrone.Core.Tv
                     {
                         existingEpisodes.Remove(episodeToUpdate);
                         updateList.Add(episodeToUpdate);
+
+                        // Anime series with newly added absolute episode number
+                        if (series.SeriesType == SeriesTypes.Anime &&
+                            !episodeToUpdate.AbsoluteEpisodeNumber.HasValue &&
+                            episode.AbsoluteEpisodeNumber.HasValue)
+                        {
+                            episodeToUpdate.AbsoluteEpisodeNumberAdded = true;
+                        }
                     }
                     else
                     {

src/NzbDrone.Core/Tv/SeriesScannedHandler.cs

@@ -13,7 +13,7 @@ namespace NzbDrone.Core.Tv
         private readonly IEpisodeMonitoredService _episodeMonitoredService;
         private readonly ISeriesService _seriesService;
         private readonly IManageCommandQueue _commandQueueManager;
-        private readonly IEpisodeAddedService _episodeAddedService;
+        private readonly IEpisodeRefreshedService _episodeRefreshedService;
         private readonly IEventAggregator _eventAggregator;
 
         private readonly Logger _logger;
@@ -21,14 +21,14 @@ namespace NzbDrone.Core.Tv
         public SeriesScannedHandler(IEpisodeMonitoredService episodeMonitoredService,
                                     ISeriesService seriesService,
                                     IManageCommandQueue commandQueueManager,
-                                    IEpisodeAddedService episodeAddedService,
+                                    IEpisodeRefreshedService episodeRefreshedService,
                                     IEventAggregator eventAggregator,
                                     Logger logger)
         {
             _episodeMonitoredService = episodeMonitoredService;
             _seriesService = seriesService;
             _commandQueueManager = commandQueueManager;
-            _episodeAddedService = episodeAddedService;
+            _episodeRefreshedService = episodeRefreshedService;
             _eventAggregator = eventAggregator;
             _logger = logger;
         }
@@ -39,7 +39,7 @@ namespace NzbDrone.Core.Tv
 
             if (addOptions == null)
             {
-                _episodeAddedService.SearchForRecentlyAdded(series.Id);
+                _episodeRefreshedService.Search(series.Id);
                 return;
             }