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Jellyfin.Data/Entities/ActivityLog.cs

@@ -53,6 +53,7 @@ namespace Jellyfin.Data.Entities
         /// <param name="name">The name.</param>
         /// <param name="type">The type.</param>
         /// <param name="userId">The user's id.</param>
+        /// <returns>The new <see cref="ActivityLog"/> instance.</returns>
         public static ActivityLog Create(string name, string type, Guid userId)
         {
             return new ActivityLog(name, type, userId);
@@ -63,7 +64,7 @@ namespace Jellyfin.Data.Entities
          *************************************************************************/
 
         /// <summary>
-        /// Gets the identity of this instance.
+        /// Gets or sets the identity of this instance.
         /// This is the key in the backing database.
         /// </summary>
         [Key]

Jellyfin.Server.Implementations/Activity/ActivityManager.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Jellyfin.Data.Entities;
@@ -56,7 +55,7 @@ namespace Jellyfin.Server.Implementations.Activity
         {
             using var dbContext = _provider.CreateContext();
 
-            var query = func(dbContext.ActivityLogs).OrderByDescending(entry => entry.DateCreated).AsQueryable();
+            var query = func(dbContext.ActivityLogs.OrderByDescending(entry => entry.DateCreated));
 
             if (startIndex.HasValue)
             {
@@ -69,12 +68,12 @@ namespace Jellyfin.Server.Implementations.Activity
             }
 
             // This converts the objects from the new database model to the old for compatibility with the existing API.
-            var list = query.AsEnumerable().Select(ConvertToOldModel).ToList();
+            var list = query.Select(ConvertToOldModel).ToList();
 
             return new QueryResult<ActivityLogEntry>
             {
                 Items = list,
-                TotalRecordCount = dbContext.ActivityLogs.Count()
+                TotalRecordCount = func(dbContext.ActivityLogs).Count()
             };
         }
 

Jellyfin.Server.Implementations/JellyfinDb.cs

@@ -107,10 +107,11 @@ namespace Jellyfin.Server.Implementations
 
         public override int SaveChanges()
         {
-            foreach (var entity in ChangeTracker.Entries().Where(e => e.State == EntityState.Modified))
+            foreach (var saveEntity in ChangeTracker.Entries()
+                .Where(e => e.State == EntityState.Modified)
+                .OfType<ISavingChanges>())
             {
-                var saveEntity = entity.Entity as ISavingChanges;
-                saveEntity?.OnSavingChanges();
+                saveEntity.OnSavingChanges();
             }
 
             return base.SaveChanges();

Jellyfin.Server.Implementations/Migrations/DesignTimeJellyfinDbFactory.cs

@@ -12,9 +12,7 @@ namespace Jellyfin.Server.Implementations.Migrations
         public JellyfinDb CreateDbContext(string[] args)
         {
             var optionsBuilder = new DbContextOptionsBuilder<JellyfinDb>();
-            optionsBuilder.UseSqlite(
-                "Data Source=jellyfin.db",
-                opt => opt.MigrationsAssembly("Jellyfin.Migrations"));
+            optionsBuilder.UseSqlite("Data Source=jellyfin.db");
 
             return new JellyfinDb(optionsBuilder.Options);
         }

Jellyfin.Server/Migrations/Routines/MigrateActivityLogDb.cs

@@ -106,11 +106,10 @@ namespace Jellyfin.Server.Migrations.Routines
                         newEntry.ItemId = entry[5].ToString();
                     }
 
-                    // Since code references the Id of the entries, this needs to be inserted in order.
-                    // In order to do that, we insert one by one because EF Core doesn't provide a way to guarantee ordering for bulk inserts.
                     dbContext.ActivityLogs.Add(newEntry);
-                    dbContext.SaveChanges();
                 }
+
+                dbContext.SaveChanges();
             }
 
             try