move additional classes to new server lib

Emby.Server.Implementations/Library/Validators/YearsPostScanTask.cs

@@ -0,0 +1,55 @@
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Emby.Server.Implementations.Library.Validators
+{
+    public class YearsPostScanTask : ILibraryPostScanTask
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly ILogger _logger;
+
+        public YearsPostScanTask(ILibraryManager libraryManager, ILogger logger)
+        {
+            _libraryManager = libraryManager;
+            _logger = logger;
+        }
+
+        public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
+        {
+            var yearNumber = 1900;
+            var maxYear = DateTime.UtcNow.Year + 3;
+            var count = maxYear - yearNumber + 1;
+            var numComplete = 0;
+
+            while (yearNumber < maxYear)
+            {
+                try
+                {
+                    var year = _libraryManager.GetYear(yearNumber);
+
+                    await year.RefreshMetadata(cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                {
+                    // Don't clutter the log
+                    break;
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error refreshing year {0}", ex, yearNumber);
+                }
+
+                numComplete++;
+                double percent = numComplete;
+                percent /= count;
+                percent *= 100;
+
+                progress.Report(percent);
+                yearNumber++;
+            }
+        }
+    }
+}