Fixed series refresh repeated too often if Sonarr is killed before Scheduled task finishes.

Fixes #735

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

@@ -17,7 +17,16 @@ namespace NzbDrone.Core.Test.TvTests
         public void Setup()
         {
             _series = Builder<Series>.CreateNew()
+                                     .With(v => v.Status == SeriesStatusType.Continuing)
                                      .Build();
+
+            Mocker.GetMock<IEpisodeService>()
+                  .Setup(s => s.GetEpisodeBySeries(_series.Id))
+                  .Returns(Builder<Episode>.CreateListOfSize(2)
+                                           .All()
+                                           .With(e => e.AirDateUtc = DateTime.Today.AddDays(-100))
+                                           .Build()
+                                           .ToList());
         }
 
         private void GivenSeriesIsEnded()
@@ -25,30 +34,22 @@ namespace NzbDrone.Core.Test.TvTests
             _series.Status = SeriesStatusType.Ended;
         }
 
-        private void GivenSeriesLastRefreshedRecently()
+        private void GivenSeriesLastRefreshedMonthsAgo()
         {
-            _series.LastInfoSync = DateTime.UtcNow.AddDays(-1);
+            _series.LastInfoSync = DateTime.UtcNow.AddDays(-90);
         }
 
-        [Test]
-        public void should_return_true_if_series_is_continuing()
+        private void GivenSeriesLastRefreshedYesterday()
         {
-            _series.Status = SeriesStatusType.Continuing;
-
-            Subject.ShouldRefresh(_series).Should().BeTrue();
+            _series.LastInfoSync = DateTime.UtcNow.AddDays(-1);
         }
 
-        [Test]
-        public void should_return_true_if_series_last_refreshed_more_than_30_days_ago()
+        private void GivenSeriesLastRefreshedRecently()
         {
-            GivenSeriesIsEnded();
-            _series.LastInfoSync = DateTime.UtcNow.AddDays(-100);
-
-            Subject.ShouldRefresh(_series).Should().BeTrue();
+            _series.LastInfoSync = DateTime.UtcNow.AddHours(-1);
         }
 
-        [Test]
-        public void should_should_return_true_if_episode_aired_in_last_30_days()
+        private void GivenRecentlyAired()
         {
             Mocker.GetMock<IEpisodeService>()
                               .Setup(s => s.GetEpisodeBySeries(_series.Id))
@@ -59,22 +60,69 @@ namespace NzbDrone.Core.Test.TvTests
                                                        .With(e => e.AirDateUtc = DateTime.Today.AddDays(-100))
                                                        .Build()
                                                        .ToList());
+        }
 
+        [Test]
+        public void should_return_true_if_running_series_last_refreshed_more_than_6_hours_ago()
+        {
             Subject.ShouldRefresh(_series).Should().BeTrue();
         }
 
         [Test]
-        public void should_should_return_false_when_recently_refreshed_ended_show_has_not_aired_for_30_days()
+        public void should_return_false_if_running_series_last_refreshed_less_than_6_hours_ago()
         {
-            Mocker.GetMock<IEpisodeService>()
-                  .Setup(s => s.GetEpisodeBySeries(_series.Id))
-                  .Returns(Builder<Episode>.CreateListOfSize(2)
-                                           .All()
-                                           .With(e => e.AirDateUtc = DateTime.Today.AddDays(-100))
-                                           .Build()
-                                           .ToList());
+            GivenSeriesLastRefreshedRecently();
+
+            Subject.ShouldRefresh(_series).Should().BeFalse();
+        }
+
+        [Test]
+        public void should_return_false_if_ended_series_last_refreshed_yesterday()
+        {
+            GivenSeriesIsEnded();
+            GivenSeriesLastRefreshedYesterday();
+
+            Subject.ShouldRefresh(_series).Should().BeFalse();
+        }
+
+        [Test]
+        public void should_return_true_if_series_last_refreshed_more_than_30_days_ago()
+        {
+            GivenSeriesIsEnded();
+            GivenSeriesLastRefreshedMonthsAgo();
+
+            Subject.ShouldRefresh(_series).Should().BeTrue();
+        }
+
+        [Test]
+        public void should_return_true_if_episode_aired_in_last_30_days()
+        {
+            GivenSeriesIsEnded();
+            GivenSeriesLastRefreshedYesterday();
+
+            GivenRecentlyAired();
 
             Subject.ShouldRefresh(_series).Should().BeTrue();
         }
+
+        [Test]
+        public void should_return_false_when_recently_refreshed_ended_show_has_not_aired_for_30_days()
+        {
+            GivenSeriesIsEnded();
+            GivenSeriesLastRefreshedYesterday();
+
+            Subject.ShouldRefresh(_series).Should().BeFalse();
+        }
+
+        [Test]
+        public void should_return_false_when_recently_refreshed_ended_show_aired_in_last_30_days()
+        {
+            GivenSeriesIsEnded();
+            GivenSeriesLastRefreshedRecently();
+
+            GivenRecentlyAired();
+
+            Subject.ShouldRefresh(_series).Should().BeFalse();
+        }
     }
 }

src/NzbDrone.Core/Tv/ShouldRefreshSeries.cs

@@ -22,15 +22,21 @@ namespace NzbDrone.Core.Tv
 
         public bool ShouldRefresh(Series series)
         {
-            if (series.Status == SeriesStatusType.Continuing)
+            if (series.LastInfoSync < DateTime.UtcNow.AddDays(-30))
             {
-                _logger.Trace("Series {0} is continuing, should refresh.", series.Title);
+                _logger.Trace("Series {0} last updated more than 30 days ago, should refresh.", series.Title);
                 return true;
             }
 
-            if (series.LastInfoSync < DateTime.UtcNow.AddDays(-30))
+            if (series.LastInfoSync >= DateTime.UtcNow.AddHours(-6))
             {
-                _logger.Trace("Series {0} last updated more than 30 days ago, should refresh.", series.Title);
+                _logger.Trace("Series {0} last updated less than 6 hours ago, should not be refreshed.", series.Title);
+                return false;
+            }
+
+            if (series.Status == SeriesStatusType.Continuing)
+            {
+                _logger.Trace("Series {0} is continuing, should refresh.", series.Title);
                 return true;
             }
 
@@ -42,7 +48,7 @@ namespace NzbDrone.Core.Tv
                 return true;
             }
 
-            _logger.Trace("Series {0} should not be refreshed.", series.Title);
+            _logger.Trace("Series {0} ended long ago, should not be refreshed.", series.Title);
             return false;
         }
     }