New: Reject files during import that have no audio tracks

(cherry picked from commit 978349e24135572889095c743d0e7fac734ba7e0)

Closes #10643

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

@@ -0,0 +1,61 @@
+using System.IO;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.MediaFiles.MediaInfo;
+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.EpisodeImport.Specifications
+{
+    [TestFixture]
+    public class HasAudioTrackSpecificationFixture : CoreTest<HasAudioTrackSpecification>
+    {
+        private Movie _movie;
+        private LocalMovie _localMovie;
+        private string _rootFolder;
+
+        [SetUp]
+        public void Setup()
+        {
+             _rootFolder = @"C:\Test\Movies".AsOsAgnostic();
+
+             _movie = Builder<Movie>.CreateNew()
+                                     .With(s => s.Path = Path.Combine(_rootFolder, "Movie Title"))
+                                     .Build();
+
+             _localMovie = new LocalMovie
+                                {
+                                    Path = @"C:\Test\Unsorted\Movie Title\movie.title.2000.avi".AsOsAgnostic(),
+                                    Movie = _movie
+                                };
+        }
+
+        [Test]
+        public void should_accept_if_media_info_is_null()
+        {
+            _localMovie.MediaInfo = null;
+
+            Subject.IsSatisfiedBy(_localMovie, null).Accepted.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_reject_if_audio_stream_count_is_0()
+        {
+            _localMovie.MediaInfo = Builder<MediaInfoModel>.CreateNew().With(m => m.AudioStreamCount = 0).Build();
+
+            Subject.IsSatisfiedBy(_localMovie, null).Accepted.Should().BeFalse();
+        }
+
+        [Test]
+        public void should_accept_if_audio_stream_count_is_0()
+        {
+            _localMovie.MediaInfo = Builder<MediaInfoModel>.CreateNew().With(m => m.AudioStreamCount = 1).Build();
+
+            Subject.IsSatisfiedBy(_localMovie, null).Accepted.Should().BeTrue();
+        }
+    }
+}

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

@@ -0,0 +1,35 @@
+using NLog;
+using NzbDrone.Core.DecisionEngine;
+using NzbDrone.Core.Download;
+using NzbDrone.Core.Parser.Model;
+
+namespace NzbDrone.Core.MediaFiles.MovieImport.Specifications
+{
+    public class HasAudioTrackSpecification : IImportDecisionEngineSpecification
+    {
+        private readonly Logger _logger;
+
+        public HasAudioTrackSpecification(Logger logger)
+        {
+            _logger = logger;
+        }
+
+        public Decision IsSatisfiedBy(LocalMovie localMovie, DownloadClientItem downloadClientItem)
+        {
+            if (localMovie.MediaInfo == null)
+            {
+                _logger.Debug("Failed to get media info from the file, make sure ffprobe is available, skipping check");
+                return Decision.Accept();
+            }
+
+            if (localMovie.MediaInfo.AudioStreamCount == 0)
+            {
+                _logger.Debug("No audio tracks found in file");
+
+                return Decision.Reject("No audio tracks detected");
+            }
+
+            return Decision.Accept();
+        }
+    }
+}