Cleanup

UserService.DatabaseLayer/Repositories/SecurityGroupsRepository.cs

@@ -1,4 +1,6 @@
-using Microsoft.EntityFrameworkCore;
+#nullable enable
+
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -39,8 +41,11 @@ namespace UserService.DatabaseLayer.Repositories
 
         public override async Task<bool> UpdateAsync(SecurityGroup entity, CancellationToken token = default)
         {
+            if (entity == null) throw new ArgumentNullException(nameof(entity));
+
             await using var db = new UserServiceDbContext();
             Context(db).Update(entity);
+            db.UserMembers.UpdateRange(entity.Members);
             var items = await db.SaveChangesAsync(token).ConfigureAwait(false);
             return items > 0;
         }