Fixed: Don't reimport the same file from the same release unless grabbed again

(cherry picked from commit 0274778679a8fd485a651eea9d293463528244fd)

Closes #9055

src/NzbDrone.Core.Test/MediaFiles/MovieImport/Specifications/AlreadyImportedSpecificationFixture.cs

@@ -0,0 +1,121 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using Moq;
+using NUnit.Framework;
+using NzbDrone.Core.Download;
+using NzbDrone.Core.History;
+using NzbDrone.Core.MediaFiles.MovieImport.Specifications;
+using NzbDrone.Core.Movies;
+using NzbDrone.Core.Parser.Model;
+using NzbDrone.Core.Test.Framework;
+using NzbDrone.Test.Common;
+
+namespace NzbDrone.Core.Test.MediaFiles.MovieImport.Specifications
+{
+    [TestFixture]
+    public class AlreadyImportedSpecificationFixture : CoreTest<AlreadyImportedSpecification>
+    {
+        private Movie _movie;
+        private LocalMovie _localMovie;
+        private DownloadClientItem _downloadClientItem;
+
+        [SetUp]
+        public void Setup()
+        {
+            _movie = Builder<Movie>.CreateNew()
+                .With(s => s.Path = @"C:\Test\Movies\Casablanca".AsOsAgnostic())
+                .Build();
+
+            _localMovie = new LocalMovie
+            {
+                Path = @"C:\Test\Unsorted\Casablanca\Casablanca.1942.avi".AsOsAgnostic(),
+                Movie = _movie
+            };
+
+            _downloadClientItem = Builder<DownloadClientItem>.CreateNew()
+                .Build();
+        }
+
+        private void GivenHistory(List<MovieHistory> history)
+        {
+            Mocker.GetMock<IHistoryService>()
+                .Setup(s => s.GetByMovieId(It.IsAny<int>(), null))
+                .Returns(history);
+        }
+
+        [Test]
+        public void should_accepted_if_download_client_item_is_null()
+        {
+            Subject.IsSatisfiedBy(_localMovie, null).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_accept_if_episode_does_not_have_file()
+        {
+            _movie.MovieFileId = 0;
+
+            Subject.IsSatisfiedBy(_localMovie, _downloadClientItem).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_accept_if_episode_has_not_been_imported()
+        {
+            var history = Builder<MovieHistory>.CreateListOfSize(1)
+                .All()
+                .With(h => h.MovieId = _movie.Id)
+                .With(h => h.EventType = MovieHistoryEventType.Grabbed)
+                .Build()
+                .ToList();
+
+            GivenHistory(history);
+
+            Subject.IsSatisfiedBy(_localMovie, _downloadClientItem).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_accept_if_episode_was_grabbed_after_being_imported()
+        {
+            var history = Builder<MovieHistory>.CreateListOfSize(3)
+                .All()
+                .With(h => h.MovieId = _movie.Id)
+                .TheFirst(1)
+                .With(h => h.EventType = MovieHistoryEventType.Grabbed)
+                .With(h => h.Date = DateTime.UtcNow)
+                .TheNext(1)
+                .With(h => h.EventType = MovieHistoryEventType.DownloadFolderImported)
+                .With(h => h.Date = DateTime.UtcNow.AddDays(-1))
+                .TheNext(1)
+                .With(h => h.EventType = MovieHistoryEventType.Grabbed)
+                .With(h => h.Date = DateTime.UtcNow.AddDays(-2))
+                .Build()
+                .ToList();
+
+            GivenHistory(history);
+
+            Subject.IsSatisfiedBy(_localMovie, _downloadClientItem).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_reject_if_episode_imported_after_being_grabbed()
+        {
+            var history = Builder<MovieHistory>.CreateListOfSize(2)
+                .All()
+                .With(h => h.MovieId = _movie.Id)
+                .TheFirst(1)
+                .With(h => h.EventType = MovieHistoryEventType.DownloadFolderImported)
+                .With(h => h.Date = DateTime.UtcNow.AddDays(-1))
+                .TheNext(1)
+                .With(h => h.EventType = MovieHistoryEventType.Grabbed)
+                .With(h => h.Date = DateTime.UtcNow.AddDays(-2))
+                .Build()
+                .ToList();
+
+            GivenHistory(history);
+
+            Subject.IsSatisfiedBy(_localMovie, _downloadClientItem).Accepted.Should().BeTrue();
+        }
+    }
+}

src/NzbDrone.Core/MediaFiles/MovieImport/Specifications/AlreadyImportedSpecification.cs

@@ -39,8 +39,11 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Specifications
             }
 
             var movieImportedHistory = _historyService.GetByMovieId(movie.Id, null);
-            var lastImported = movieImportedHistory.FirstOrDefault(h => h.EventType == MovieHistoryEventType.DownloadFolderImported);
-            var lastGrabbed = movieImportedHistory.FirstOrDefault(h => h.EventType == MovieHistoryEventType.Grabbed);
+            var lastImported = movieImportedHistory.FirstOrDefault(h =>
+                h.DownloadId == downloadClientItem.DownloadId &&
+                h.EventType == MovieHistoryEventType.DownloadFolderImported);
+            var lastGrabbed = movieImportedHistory.FirstOrDefault(h =>
+                h.DownloadId == downloadClientItem.DownloadId && h.EventType == MovieHistoryEventType.Grabbed);
 
             if (lastImported == null)
             {
@@ -48,17 +51,21 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Specifications
                 return Decision.Accept();
             }
 
-            // If the release was grabbed again after importing don't reject it
-            if (lastGrabbed != null && lastGrabbed.Date.After(lastImported.Date))
+            if (lastGrabbed != null)
             {
-                _logger.Trace("Movie file was grabbed again after importing");
-                return Decision.Accept();
-            }
+                // If the release was grabbed again after importing don't reject it
+                if (lastGrabbed.Date.After(lastImported.Date))
+                {
+                    _logger.Trace("Movie file was grabbed again after importing");
+                    return Decision.Accept();
+                }
 
-            if (lastImported.DownloadId == downloadClientItem.DownloadId)
-            {
-                _logger.Debug("Movie file previously imported at {0}", lastImported.Date);
-                return Decision.Reject("Movie file already imported at {0}", lastImported.Date.ToLocalTime());
+                // If the release was imported after the last grab reject it
+                if (lastImported.Date.After(lastGrabbed.Date))
+                {
+                    _logger.Debug("Movie file previously imported at {0}", lastImported.Date);
+                    return Decision.Reject("Movie file already imported at {0}", lastImported.Date.ToLocalTime());
+                }
             }
 
             return Decision.Accept();