Refactored ItemValue structure

Emby.Server.Implementations/Data/CleanDatabaseScheduledTask.cs

@@ -1,10 +1,13 @@
 #pragma warning disable CS1591
 
 using System;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Server.Implementations;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Data
@@ -13,11 +16,16 @@ namespace Emby.Server.Implementations.Data
     {
         private readonly ILibraryManager _libraryManager;
         private readonly ILogger<CleanDatabaseScheduledTask> _logger;
+        private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
 
-        public CleanDatabaseScheduledTask(ILibraryManager libraryManager, ILogger<CleanDatabaseScheduledTask> logger)
+        public CleanDatabaseScheduledTask(
+            ILibraryManager libraryManager,
+            ILogger<CleanDatabaseScheduledTask> logger,
+            IDbContextFactory<JellyfinDbContext> dbProvider)
         {
             _libraryManager = libraryManager;
             _logger = logger;
+            _dbProvider = dbProvider;
         }
 
         public Task Run(IProgress<double> progress, CancellationToken cancellationToken)
@@ -34,7 +42,7 @@ namespace Emby.Server.Implementations.Data
             });
 
             var numComplete = 0;
-            var numItems = itemIds.Count;
+            var numItems = itemIds.Count + 1;
 
             _logger.LogDebug("Cleaning {0} items with dead parent links", numItems);
 
@@ -60,6 +68,11 @@ namespace Emby.Server.Implementations.Data
                 progress.Report(percent * 100);
             }
 
+            using var context = _dbProvider.CreateDbContext();
+            using var transaction = context.Database.BeginTransaction();
+            context.ItemValues.Where(e => e.BaseItemsMap!.Count == 0).ExecuteDelete();
+            transaction.Commit();
+
             progress.Report(100);
         }
     }