1 files changed, 66 insertions, 0 deletions
diff --git a/MediaBrowser.Providers/TV/SeriesMetadataService.cs b/MediaBrowser.Providers/TV/SeriesMetadataService.cs
new file mode 100644
index 0000000000..ffd6d17b29
--- /dev/null
+++ b/MediaBrowser.Providers/TV/SeriesMetadataService.cs
@@ -0,0 +1,66 @@
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Providers.Manager;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Providers.TV
+{
+    public class SeriesMetadataService : MetadataService<Series, ItemId>
+    {
+        private readonly ILibraryManager _libraryManager;
+
+        public SeriesMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IProviderRepository providerRepo, IFileSystem fileSystem, ILibraryManager libraryManager)
+            : base(serverConfigurationManager, logger, providerManager, providerRepo, fileSystem)
+        {
+            _libraryManager = libraryManager;
+        }
+
+        /// <summary>
+        /// Merges the specified source.
+        /// </summary>
+        /// <param name="source">The source.</param>
+        /// <param name="target">The target.</param>
+        /// <param name="lockedFields">The locked fields.</param>
+        /// <param name="replaceData">if set to <c>true</c> [replace data].</param>
+        /// <param name="mergeMetadataSettings">if set to <c>true</c> [merge metadata settings].</param>
+        protected override void MergeData(Series source, Series target, List<MetadataFields> lockedFields, bool replaceData, bool mergeMetadataSettings)
+        {
+            ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
+        }
+
+        protected override Task SaveItem(Series item, ItemUpdateType reason, CancellationToken cancellationToken)
+        {
+            return _libraryManager.UpdateItem(item, reason, cancellationToken);
+        }
+
+        protected override ItemUpdateType AfterMetadataRefresh(Series item)
+        {
+            var updateType = base.AfterMetadataRefresh(item);
+
+            var episodes = item.RecursiveChildren
+                .OfType<Episode>()
+                .ToList();
+
+            var dateLastEpisodeAdded = item.DateLastEpisodeAdded;
+
+            item.DateLastEpisodeAdded = episodes.Select(i => i.DateCreated)
+                .OrderByDescending(i => i)
+                .FirstOrDefault();
+
+            if (dateLastEpisodeAdded != item.DateLastEpisodeAdded)
+            {
+                updateType = updateType | ItemUpdateType.MetadataImport;
+            }
+
+            return updateType;
+        }
+    }
+}