convert artist providers

1 files changed, 67 insertions, 0 deletions

diff --git a/MediaBrowser.Providers/Music/ArtistMetadataService.cs b/MediaBrowser.Providers/Music/ArtistMetadataService.cs
new file mode 100644
index 000000000..31202feb2
--- /dev/null
+++ b/MediaBrowser.Providers/Music/ArtistMetadataService.cs
@@ -0,0 +1,67 @@
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Providers.Manager;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Providers.Music
+{
+    public class ArtistMetadataService : ConcreteMetadataService<MusicArtist>
+    {
+        private readonly ILibraryManager _libraryManager;
+
+        public ArtistMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IProviderRepository providerRepo, ILibraryManager libraryManager)
+            : base(serverConfigurationManager, logger, providerManager, providerRepo)
+        {
+            _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(MusicArtist source, MusicArtist target, List<MetadataFields> lockedFields, bool replaceData, bool mergeMetadataSettings)
+        {
+            ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
+        }
+
+        protected override Task SaveItem(MusicArtist item, ItemUpdateType reason, CancellationToken cancellationToken)
+        {
+            return _libraryManager.UpdateItem(item, reason, cancellationToken);
+        }
+
+        protected override ItemUpdateType AfterMetadataRefresh(MusicArtist item)
+        {
+            var updateType = base.AfterMetadataRefresh(item);
+
+            if (!item.IsAccessedByName && !item.LockedFields.Contains(MetadataFields.Genres))
+            {
+                var songs = item.RecursiveChildren.OfType<Audio>().ToList();
+
+                var currentGenres = item.Genres.ToList();
+
+                item.Genres = songs.SelectMany(i => i.Genres)
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .ToList();
+
+                if (currentGenres.Count != item.Genres.Count || !currentGenres.OrderBy(i => i).SequenceEqual(item.Genres.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
+                {
+                    updateType = updateType | ItemUpdateType.MetadataDownload;
+                }
+            } 
+            
+            return updateType;
+        }
+    }
+}