An impl. of Audit in a DbContext

MyDbContext.cs

public class MyDbContext : DbContext
{
  private readonly IServiceProvider _serviceProvider;
  
  public DbSet<Company> Companies { get; set; }
  
  public MyDbContext(DbContextOptions<MyDbContext> options, IServiceProvider provider) : base(options)
  {
      _serviceProvider = provider;
  }
  
  protected override void OnModelCreating(ModelBuilder builder)
  {
    builder.FilterSoftDeletedEntries<Company>();
  }
  
  public override int SaveChanges()
  {
      var user = GetCurrentUserInfo().Result;
      this.EnsureAudit<Guid?>(user?.Id);
      return base.SaveChanges();
  }

  public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = default(CancellationToken))
  {
      var user = GetCurrentUserInfo().Result;
      this.EnsureAudit<Guid?>(user?.Id);
      return base.SaveChangesAsync(cancellationToken);
  }
  
  private async Task<ApplicationUser> GetCurrentUserInfo()
  {
      var _httpContextAccessor = _serviceProvider.GetService<IHttpContextAccessor>();
      var userManager = _serviceProvider.GetRequiredService<UserManager<ApplicationUser>>();

      ApplicationUser user = null;

      if (_httpContextAccessor.HttpContext?.User != null)
      {
          var claimsPrincipal = _httpContextAccessor.HttpContext?.User;
          user = await userManager.GetUserAsync(claimsPrincipal);
      }
      return user;
  }
}