1 files changed, 75 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/Library/Validators/GenresValidator.cs b/Emby.Server.Implementations/Library/Validators/GenresValidator.cs
new file mode 100644
index 000000000..d8956f78a
--- /dev/null
+++ b/Emby.Server.Implementations/Library/Validators/GenresValidator.cs
@@ -0,0 +1,75 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Persistence;
+
+namespace Emby.Server.Implementations.Library.Validators
+{
+    class GenresValidator
+    {
+        /// <summary>
+        /// The _library manager
+        /// </summary>
+        private readonly ILibraryManager _libraryManager;
+        private readonly IItemRepository _itemRepo;
+
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        public GenresValidator(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
+        {
+            _libraryManager = libraryManager;
+            _logger = logger;
+            _itemRepo = itemRepo;
+        }
+
+        /// <summary>
+        /// Runs the specified progress.
+        /// </summary>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
+        {
+            var names = _itemRepo.GetGenreNames();
+
+            var numComplete = 0;
+            var count = names.Count;
+
+            foreach (var name in names)
+            {
+                try
+                {
+                    var item = _libraryManager.GetGenre(name);
+
+                    await item.RefreshMetadata(cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                {
+                    // Don't clutter the log
+                    break;
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error refreshing {0}", ex, name);
+                }
+
+                numComplete++;
+                double percent = numComplete;
+                percent /= count;
+                percent *= 100;
+
+                progress.Report(percent);
+            }
+
+            progress.Report(100);
+        }
+    }
+}