New: Track Kometa metadata files

(cherry picked from commit 84710a31bde67b6d33086fc645b7c3679c965b06)

src/NzbDrone.Core.Test/Extras/Metadata/Consumers/Kometa/FindMetadataFileFixture.cs

@@ -0,0 +1,76 @@
+using System.IO;
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Extras.Metadata;
+using NzbDrone.Core.Extras.Metadata.Consumers.Kometa;
+using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.Tv;
+using NzbDrone.Test.Common;
+
+namespace NzbDrone.Core.Test.Extras.Metadata.Consumers.Kometa
+{
+    [TestFixture]
+    public class FindMetadataFileFixture : CoreTest<KometaMetadata>
+    {
+        private Series _series;
+
+        [SetUp]
+        public void Setup()
+        {
+            _series = Builder<Series>.CreateNew()
+                                     .With(s => s.Path = @"C:\Test\TV\The.Series".AsOsAgnostic())
+                                     .Build();
+        }
+
+        [Test]
+        public void should_return_null_if_filename_is_not_handled()
+        {
+            var path = Path.Combine(_series.Path, "file.jpg");
+
+            Subject.FindMetadataFile(_series, path).Should().BeNull();
+        }
+
+        [TestCase("Season00")]
+        [TestCase("Season01")]
+        [TestCase("Season02")]
+        public void should_return_season_image(string folder)
+        {
+            var path = Path.Combine(_series.Path, folder + ".jpg");
+
+            Subject.FindMetadataFile(_series, path).Type.Should().Be(MetadataType.SeasonImage);
+        }
+
+        [TestCase(".jpg", MetadataType.EpisodeImage)]
+        public void should_return_metadata_for_episode_if_valid_file_for_episode(string extension, MetadataType type)
+        {
+            var path = Path.Combine(_series.Path, "s01e01" + extension);
+
+            Subject.FindMetadataFile(_series, path).Type.Should().Be(type);
+        }
+
+        [TestCase(".jpg")]
+        public void should_return_null_if_not_valid_file_for_episode(string extension)
+        {
+            var path = Path.Combine(_series.Path, "the.series.episode" + extension);
+
+            Subject.FindMetadataFile(_series, path).Should().BeNull();
+        }
+
+        [Test]
+        public void should_not_return_metadata_if_image_file_is_a_thumb()
+        {
+            var path = Path.Combine(_series.Path, "the.series.s01e01.episode-thumb.jpg");
+
+            Subject.FindMetadataFile(_series, path).Should().BeNull();
+        }
+
+        [Test]
+        public void should_return_series_image_for_folder_jpg_in_series_folder()
+        {
+            var path = Path.Combine(_series.Path, "poster.jpg");
+
+            Subject.FindMetadataFile(_series, path).Type.Should().Be(MetadataType.SeriesImage);
+        }
+    }
+}

src/NzbDrone.Core/Extras/Metadata/Consumers/Kometa/KometaMetadata.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using NLog;
+using NzbDrone.Common.Extensions;
+using NzbDrone.Core.Extras.Metadata.Files;
+using NzbDrone.Core.MediaCover;
+using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.Extras.Metadata.Consumers.Kometa
+{
+    public class KometaMetadata : MetadataBase<KometaMetadataSettings>
+    {
+        private readonly Logger _logger;
+        private readonly IMapCoversToLocal _mediaCoverService;
+
+        public KometaMetadata(IMapCoversToLocal mediaCoverService,
+                            Logger logger)
+        {
+            _mediaCoverService = mediaCoverService;
+            _logger = logger;
+        }
+
+        private static readonly Regex SeriesImagesRegex = new Regex(@"^(?<type>poster)\.(?:png|jpg)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex SeasonImagesRegex = new Regex(@"^Season(?<season>\d{2,})\.(?:png|jpg)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex EpisodeImageRegex = new Regex(@"^S(?<season>\d{2,})E(?<episode>\d{2,})\.(?:png|jpg)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+        public override string Name => "Kometa";
+
+        public override string GetFilenameAfterMove(Series series, EpisodeFile episodeFile, MetadataFile metadataFile)
+        {
+            if (metadataFile.Type == MetadataType.EpisodeImage)
+            {
+                return GetEpisodeImageFilename(series, episodeFile);
+            }
+
+            _logger.Debug("Unknown episode file metadata: {0}", metadataFile.RelativePath);
+            return Path.Combine(series.Path, metadataFile.RelativePath);
+        }
+
+        public override MetadataFile FindMetadataFile(Series series, string path)
+        {
+            var filename = Path.GetFileName(path);
+
+            if (filename == null)
+            {
+                return null;
+            }
+
+            var metadata = new MetadataFile
+            {
+                SeriesId = series.Id,
+                Consumer = GetType().Name,
+                RelativePath = series.Path.GetRelativePath(path)
+            };
+
+            if (SeriesImagesRegex.IsMatch(filename))
+            {
+                metadata.Type = MetadataType.SeriesImage;
+                return metadata;
+            }
+
+            var seasonMatch = SeasonImagesRegex.Match(filename);
+
+            if (seasonMatch.Success)
+            {
+                metadata.Type = MetadataType.SeasonImage;
+
+                var seasonNumberMatch = seasonMatch.Groups["season"].Value;
+
+                if (int.TryParse(seasonNumberMatch, out var seasonNumber))
+                {
+                    metadata.SeasonNumber = seasonNumber;
+                }
+                else
+                {
+                    return null;
+                }
+
+                return metadata;
+            }
+
+            if (EpisodeImageRegex.IsMatch(filename))
+            {
+                metadata.Type = MetadataType.EpisodeImage;
+                return metadata;
+            }
+
+            return null;
+        }
+
+        public override MetadataFileResult SeriesMetadata(Series series)
+        {
+            return null;
+        }
+
+        public override MetadataFileResult EpisodeMetadata(Series series, EpisodeFile episodeFile)
+        {
+            return null;
+        }
+
+        public override List<ImageFileResult> SeriesImages(Series series)
+        {
+            if (!Settings.SeriesImages)
+            {
+                return new List<ImageFileResult>();
+            }
+
+            return ProcessSeriesImages(series).ToList();
+        }
+
+        public override List<ImageFileResult> SeasonImages(Series series, Season season)
+        {
+            if (!Settings.SeasonImages)
+            {
+                return new List<ImageFileResult>();
+            }
+
+            return ProcessSeasonImages(series, season).ToList();
+        }
+
+        public override List<ImageFileResult> EpisodeImages(Series series, EpisodeFile episodeFile)
+        {
+            if (!Settings.EpisodeImages)
+            {
+                return new List<ImageFileResult>();
+            }
+
+            try
+            {
+                var screenshot = episodeFile.Episodes.Value.First().Images.SingleOrDefault(i => i.CoverType == MediaCoverTypes.Screenshot);
+
+                if (screenshot == null)
+                {
+                    _logger.Debug("Episode screenshot not available");
+                    return new List<ImageFileResult>();
+                }
+
+                return new List<ImageFileResult>
+                   {
+                       new ImageFileResult(GetEpisodeImageFilename(series, episodeFile), screenshot.RemoteUrl)
+                   };
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(ex, "Unable to process episode image for file: {0}", Path.Combine(series.Path, episodeFile.RelativePath));
+
+                return new List<ImageFileResult>();
+            }
+        }
+
+        private IEnumerable<ImageFileResult> ProcessSeriesImages(Series series)
+        {
+            foreach (var image in series.Images)
+            {
+                if (image.CoverType == MediaCoverTypes.Poster)
+                {
+                    var source = _mediaCoverService.GetCoverPath(series.Id, image.CoverType);
+                    var destination = image.CoverType + Path.GetExtension(source);
+
+                    yield return new ImageFileResult(destination, source);
+                }
+            }
+        }
+
+        private IEnumerable<ImageFileResult> ProcessSeasonImages(Series series, Season season)
+        {
+            foreach (var image in season.Images)
+            {
+                if (image.CoverType == MediaCoverTypes.Poster)
+                {
+                    var filename = string.Format("Season{0:00}.jpg", season.SeasonNumber);
+
+                    if (season.SeasonNumber == 0)
+                    {
+                        filename = "Season00.jpg";
+                    }
+
+                    yield return new ImageFileResult(filename, image.RemoteUrl);
+                }
+            }
+        }
+
+        private string GetEpisodeImageFilename(Series series, EpisodeFile episodeFile)
+        {
+            var filename = string.Format("S{0:00}E{1:00}.jpg", episodeFile.SeasonNumber, episodeFile.Episodes.Value.FirstOrDefault()?.EpisodeNumber);
+            return Path.Combine(series.Path, filename);
+        }
+    }
+}

src/NzbDrone.Core/Extras/Metadata/Consumers/Kometa/KometaMetadataSettings.cs

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+using FluentValidation;
+using NzbDrone.Core.Annotations;
+using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
+
+namespace NzbDrone.Core.Extras.Metadata.Consumers.Kometa
+{
+    public class KometaSettingsValidator : AbstractValidator<KometaMetadataSettings>
+    {
+    }
+
+    public class KometaMetadataSettings : IProviderConfig
+    {
+        private static readonly KometaSettingsValidator Validator = new KometaSettingsValidator();
+
+        public KometaMetadataSettings()
+        {
+            SeriesImages = true;
+            SeasonImages = true;
+            EpisodeImages = true;
+        }
+
+        [FieldDefinition(0, Label = "MetadataSettingsSeriesImages", Type = FieldType.Checkbox, Section = MetadataSectionType.Image, HelpText = "Poster.jpg")]
+        public bool SeriesImages { get; set; }
+
+        [FieldDefinition(1, Label = "MetadataSettingsSeasonImages", Type = FieldType.Checkbox, Section = MetadataSectionType.Image, HelpText = "Season##.jpg")]
+        public bool SeasonImages { get; set; }
+
+        [FieldDefinition(2, Label = "MetadataSettingsEpisodeImages", Type = FieldType.Checkbox, Section = MetadataSectionType.Image, HelpText = "S##E##.jpg")]
+        public bool EpisodeImages { get; set; }
+
+        public bool IsValid => true;
+
+        public NzbDroneValidationResult Validate()
+        {
+            return new NzbDroneValidationResult(Validator.Validate(this));
+        }
+    }
+}