Fixed: Series/season metadata also created on episode import.

src/NzbDrone.Core.Test/MediaFiles/EpisodeFileMovingServiceTests/MoveEpisodeFileFixture.cs

@@ -5,11 +5,15 @@
 using Moq;
 using NUnit.Framework;
 using NzbDrone.Common.Disk;
+using NzbDrone.Common.Extensions;
 using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.MediaFiles.Events;
+using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.Test.Framework;
 using NzbDrone.Core.Tv;
+using NzbDrone.Test.Common;
 
 namespace NzbDrone.Core.Test.MediaFiles.EpisodeFileMovingServiceTests
 {
@@ -24,7 +28,7 @@ public class MoveEpisodeFileFixture : CoreTest<EpisodeFileMovingService>
         public void Setup()
         {
             _series = Builder<Series>.CreateNew()
-                                     .With(s => s.Path = @"C:\Test\TV\Series")
+                                     .With(s => s.Path = @"C:\Test\TV\Series".AsOsAgnostic())
                                      .Build();
 
             _episodeFile = Builder<EpisodeFile>.CreateNew()
@@ -43,7 +47,15 @@ public void Setup()
 
             Mocker.GetMock<IBuildFileNames>()
                   .Setup(s => s.BuildFilePath(It.IsAny<Series>(), It.IsAny<Int32>(), It.IsAny<String>(), It.IsAny<String>()))
-                  .Returns(@"C:\Test\TV\Series\File Name.avi");
+                  .Returns(@"C:\Test\TV\Series\Season 01\File Name.avi".AsOsAgnostic());
+
+            Mocker.GetMock<IBuildFileNames>()
+                  .Setup(s => s.BuildSeasonPath(It.IsAny<Series>(), It.IsAny<int>()))
+                  .Returns(@"C:\Test\TV\Series\Season 01".AsOsAgnostic());
+
+            Mocker.GetMock<IDiskProvider>()
+                  .Setup(s => s.FolderExists(@"C:\Test\TV"))
+                  .Returns(true);
 
             Mocker.GetMock<IDiskProvider>()
                   .Setup(s => s.FileExists(It.IsAny<String>()))
@@ -73,5 +85,39 @@ public void should_catch_InvalidOperationException_during_folder_inheritance()
 
             Subject.MoveEpisodeFile(_episodeFile, _localEpisode);
         }
+
+        [Test]
+        public void should_notify_on_series_folder_creation()
+        {
+            Subject.MoveEpisodeFile(_episodeFile, _localEpisode);
+
+            Mocker.GetMock<IEventAggregator>()
+                  .Verify(s => s.PublishEvent<EpisodeFolderCreatedEvent>(It.Is<EpisodeFolderCreatedEvent>(p =>
+                      p.SeriesFolder.IsNotNullOrWhiteSpace())), Times.Once());
+        }
+
+        [Test]
+        public void should_notify_on_season_folder_creation()
+        {
+            Subject.MoveEpisodeFile(_episodeFile, _localEpisode);
+
+            Mocker.GetMock<IEventAggregator>()
+                  .Verify(s => s.PublishEvent<EpisodeFolderCreatedEvent>(It.Is<EpisodeFolderCreatedEvent>(p =>
+                      p.SeasonFolder.IsNotNullOrWhiteSpace())), Times.Once());
+        }
+
+        [Test]
+        public void should_not_notify_if_series_folder_already_exists()
+        {
+            Mocker.GetMock<IDiskProvider>()
+                  .Setup(s => s.FolderExists(_series.Path))
+                  .Returns(true);
+
+            Subject.MoveEpisodeFile(_episodeFile, _localEpisode);
+
+            Mocker.GetMock<IEventAggregator>()
+                  .Verify(s => s.PublishEvent<EpisodeFolderCreatedEvent>(It.Is<EpisodeFolderCreatedEvent>(p =>
+                      p.SeriesFolder.IsNotNullOrWhiteSpace())), Times.Never());
+        }
     }
 }

src/NzbDrone.Core/MediaFiles/EpisodeFileMovingService.cs

@@ -7,6 +7,8 @@
 using NzbDrone.Common.EnsureThat;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
+using NzbDrone.Core.MediaFiles.Events;
+using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.Organizer;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.Tv;
@@ -27,6 +29,7 @@ public class EpisodeFileMovingService : IMoveEpisodeFiles
         private readonly IBuildFileNames _buildFileNames;
         private readonly IDiskProvider _diskProvider;
         private readonly IMediaFileAttributeService _mediaFileAttributeService;
+        private readonly IEventAggregator _eventAggregator;
         private readonly IConfigService _configService;
         private readonly Logger _logger;
 
@@ -35,6 +38,7 @@ public EpisodeFileMovingService(IEpisodeService episodeService,
                                 IBuildFileNames buildFileNames,
                                 IDiskProvider diskProvider,
                                 IMediaFileAttributeService mediaFileAttributeService,
+                                IEventAggregator eventAggregator,
                                 IConfigService configService,
                                 Logger logger)
         {
@@ -43,6 +47,7 @@ public EpisodeFileMovingService(IEpisodeService episodeService,
             _buildFileNames = buildFileNames;
             _diskProvider = diskProvider;
             _mediaFileAttributeService = mediaFileAttributeService;
+            _eventAggregator = eventAggregator;
             _configService = configService;
             _logger = logger;
         }
@@ -53,6 +58,8 @@ public EpisodeFile MoveEpisodeFile(EpisodeFile episodeFile, Series series)
             var newFileName = _buildFileNames.BuildFileName(episodes, series, episodeFile);
             var filePath = _buildFileNames.BuildFilePath(series, episodes.First().SeasonNumber, newFileName, Path.GetExtension(episodeFile.RelativePath));
 
+            EnsureEpisodeFolder(episodeFile, series, episodes.Select(v => v.SeasonNumber).First(), filePath);
+
             _logger.Debug("Renaming episode file: {0} to {1}", episodeFile, filePath);
             
             return TransferFile(episodeFile, series, episodes, filePath, TransferMode.Move);
@@ -63,6 +70,8 @@ public EpisodeFile MoveEpisodeFile(EpisodeFile episodeFile, LocalEpisode localEp
             var newFileName = _buildFileNames.BuildFileName(localEpisode.Episodes, localEpisode.Series, episodeFile);
             var filePath = _buildFileNames.BuildFilePath(localEpisode.Series, localEpisode.SeasonNumber, newFileName, Path.GetExtension(localEpisode.Path));
 
+            EnsureEpisodeFolder(episodeFile, localEpisode, filePath);
+
             _logger.Debug("Moving episode file: {0} to {1}", episodeFile.Path, filePath);
             
             return TransferFile(episodeFile, localEpisode.Series, localEpisode.Episodes, filePath, TransferMode.Move);
@@ -73,6 +82,8 @@ public EpisodeFile CopyEpisodeFile(EpisodeFile episodeFile, LocalEpisode localEp
             var newFileName = _buildFileNames.BuildFileName(localEpisode.Episodes, localEpisode.Series, episodeFile);
             var filePath = _buildFileNames.BuildFilePath(localEpisode.Series, localEpisode.SeasonNumber, newFileName, Path.GetExtension(localEpisode.Path));
 
+            EnsureEpisodeFolder(episodeFile, localEpisode, filePath);
+
             if (_configService.CopyUsingHardlinks)
             {
                 _logger.Debug("Hardlinking episode file: {0} to {1}", episodeFile.Path, filePath);
@@ -101,27 +112,6 @@ private EpisodeFile TransferFile(EpisodeFile episodeFile, Series series, List<Ep
                 throw new SameFilenameException("File not moved, source and destination are the same", episodeFilePath);
             }
 
-            var directoryName = new FileInfo(destinationFilename).DirectoryName;
-
-            if (!_diskProvider.FolderExists(directoryName))
-            {
-                try
-                {
-                    _diskProvider.CreateFolder(directoryName);
-                }
-                catch (IOException ex)
-                {
-                    _logger.ErrorException("Unable to create directory: " + directoryName, ex);
-                }
-                
-                _mediaFileAttributeService.SetFolderPermissions(directoryName);
-
-                if (!directoryName.PathEquals(series.Path))
-                {
-                    _mediaFileAttributeService.SetFolderPermissions(series.Path);
-                }
-            }
-
             _logger.Debug("{0} [{1}] > [{2}]", mode, episodeFilePath, destinationFilename);
             _diskProvider.TransferFile(episodeFilePath, destinationFilename, mode);
 
@@ -150,5 +140,74 @@ private EpisodeFile TransferFile(EpisodeFile episodeFile, Series series, List<Ep
 
             return episodeFile;
         }
+
+        private void EnsureEpisodeFolder(EpisodeFile episodeFile, LocalEpisode localEpisode, string filePath)
+        {
+            EnsureEpisodeFolder(episodeFile, localEpisode.Series, localEpisode.SeasonNumber, filePath);
+        }
+
+        private void EnsureEpisodeFolder(EpisodeFile episodeFile, Series series, int seasonNumber, string filePath)
+        {
+            var episodeFolder = Path.GetDirectoryName(filePath);
+            var seasonFolder = _buildFileNames.BuildSeasonPath(series, seasonNumber);
+            var seriesFolder = series.Path;
+            var rootFolder = Path.GetDirectoryName(seriesFolder);
+
+            if (!_diskProvider.FolderExists(rootFolder))
+            {
+                throw new DirectoryNotFoundException(string.Format("Root folder '{0}' was not found.", rootFolder));
+            }
+
+            var changed = false;
+            var newEvent = new EpisodeFolderCreatedEvent(series, episodeFile);
+
+            if (!_diskProvider.FolderExists(seriesFolder))
+            {
+                CreateFolder(seriesFolder);
+                newEvent.SeriesFolder = seriesFolder;
+                changed = true;
+            }
+
+            if (seriesFolder != seasonFolder && !_diskProvider.FolderExists(seasonFolder))
+            {
+                CreateFolder(seasonFolder);
+                newEvent.SeasonFolder = seasonFolder;
+                changed = true;
+            }
+
+            if (seasonFolder != episodeFolder && !_diskProvider.FolderExists(episodeFolder))
+            {
+                CreateFolder(episodeFolder);
+                newEvent.EpisodeFolder = episodeFolder;
+                changed = true;
+            }
+
+            if (changed)
+            {
+                _eventAggregator.PublishEvent(newEvent);
+            }
+        }
+
+        private void CreateFolder(string directoryName)
+        {
+            Ensure.That(directoryName, () => directoryName).IsNotNullOrWhiteSpace();
+
+            var parentFolder = Path.GetDirectoryName(directoryName);
+            if (!_diskProvider.FolderExists(parentFolder))
+            {
+                CreateFolder(parentFolder);
+            }
+
+            try
+            {
+                _diskProvider.CreateFolder(directoryName);
+            }
+            catch (IOException ex)
+            {
+                _logger.ErrorException("Unable to create directory: " + directoryName, ex);
+            }
+
+            _mediaFileAttributeService.SetFolderPermissions(directoryName);
+        }
     }
 }

src/NzbDrone.Core/MediaFiles/Events/EpisodeFolderCreatedEvent.cs

@@ -0,0 +1,20 @@
+using NzbDrone.Common.Messaging;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.MediaFiles.Events
+{
+    public class EpisodeFolderCreatedEvent : IEvent
+    {
+        public Series Series { get; private set; }
+        public EpisodeFile EpisodeFile { get; private set; }
+        public string SeriesFolder { get; set; }
+        public string SeasonFolder { get; set; }
+        public string EpisodeFolder { get; set; }
+
+        public EpisodeFolderCreatedEvent(Series series, EpisodeFile episodeFile)
+        {
+            Series = series;
+            EpisodeFile = episodeFile;
+        }
+    }
+}

src/NzbDrone.Core/Metadata/MetadataService.cs

@@ -19,6 +19,7 @@ namespace NzbDrone.Core.Metadata
 {
     public class MetadataService : IHandle<MediaCoversUpdatedEvent>,
                                    IHandle<EpisodeImportedEvent>,
+                                   IHandle<EpisodeFolderCreatedEvent>,
                                    IHandle<SeriesRenamedEvent>
     {
         private readonly IMetadataFactory _metadataFactory;
@@ -100,6 +101,35 @@ public void Handle(EpisodeImportedEvent message)
             }
         }
 
+        public void Handle(EpisodeFolderCreatedEvent message)
+        {
+            if (message.SeriesFolder.IsNullOrWhiteSpace() && message.SeasonFolder.IsNullOrWhiteSpace())
+            {
+                return;
+            }
+
+            var seriesMetadataFiles = _metadataFileService.GetFilesBySeries(message.Series.Id);
+
+            foreach (var consumer in _metadataFactory.Enabled())
+            {
+                var files = new List<MetadataFile>();
+                var consumerFiles = GetMetadataFilesForConsumer(consumer, seriesMetadataFiles);
+
+                if (message.SeriesFolder.IsNotNullOrWhiteSpace())
+                {
+                    files.AddIfNotNull(ProcessSeriesMetadata(consumer, message.Series, consumerFiles));
+                    files.AddRange(ProcessSeriesImages(consumer, message.Series, consumerFiles));
+                }
+
+                if (message.SeasonFolder.IsNotNullOrWhiteSpace())
+                {
+                    files.AddRange(ProcessSeasonImages(consumer, message.Series, consumerFiles));
+                }
+
+                _eventAggregator.PublishEvent(new MetadataFilesUpdated(files));
+            }
+        }
+
         public void Handle(SeriesRenamedEvent message)
         {
             var seriesMetadata = _metadataFileService.GetFilesBySeries(message.Series.Id);

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -608,6 +608,7 @@
     <Compile Include="MediaFiles\Events\EpisodeDownloadedEvent.cs" />
     <Compile Include="MediaFiles\Events\EpisodeFileAddedEvent.cs" />
     <Compile Include="MediaFiles\Events\EpisodeFileDeletedEvent.cs" />
+    <Compile Include="MediaFiles\Events\EpisodeFolderCreatedEvent.cs" />
     <Compile Include="MediaFiles\Events\EpisodeImportedEvent.cs" />
     <Compile Include="MediaFiles\Events\SeriesRenamedEvent.cs" />
     <Compile Include="MediaFiles\Events\SeriesScanSkippedEvent.cs" />

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -17,6 +17,7 @@ public interface IBuildFileNames
     {
         string BuildFileName(List<Episode> episodes, Series series, EpisodeFile episodeFile, NamingConfig namingConfig = null);
         string BuildFilePath(Series series, Int32 seasonNumber, String fileName, String extension);
+        string BuildSeasonPath(Series series, Int32 seasonNumber);
         BasicNamingConfig GetBasicNamingConfig(NamingConfig nameSpec);
         string GetSeriesFolder(Series series, NamingConfig namingConfig = null);
         string GetSeasonFolder(Series series, Int32 seasonNumber, NamingConfig namingConfig = null);
@@ -138,29 +139,32 @@ public string BuildFilePath(Series series, int seasonNumber, string fileName, st
         {
             Ensure.That(extension, () => extension).IsNotNullOrWhiteSpace();
 
-            string path = series.Path;
+            var path = BuildSeasonPath(series, seasonNumber);
+
+            return Path.Combine(path, fileName + extension);
+        }
+
+        public string BuildSeasonPath(Series series, int seasonNumber)
+        {
+            var path = series.Path;
 
             if (series.SeasonFolder)
             {
-                string seasonFolder;
-
                 if (seasonNumber == 0)
                 {
-                    seasonFolder = "Specials";
+                    path = Path.Combine(path, "Specials");
                 }
-
                 else
                 {
-                    var nameSpec = _namingConfigService.GetConfig();
+                    var seasonFolder = GetSeasonFolder(series, seasonNumber);
-                    seasonFolder = GetSeasonFolder(series, seasonNumber, nameSpec);
+
+                    seasonFolder = CleanFileName(seasonFolder);
+
+                    path = Path.Combine(path, seasonFolder);
                 }
-
-                seasonFolder = CleanFileName(seasonFolder);
-
-                path = Path.Combine(path, seasonFolder);
             }
 
-            return Path.Combine(path, fileName + extension);
+            return path;
         }
 
         public BasicNamingConfig GetBasicNamingConfig(NamingConfig nameSpec)