public IActionResult Game() { string userId = User.FindFirst(ClaimTypes.NameIdentifier)?.Value; ApplicationUser user = _db.Users.FirstOrDefault(u => u.Id == userId); Nation currentNation = _db.Nations.Include(n => n.ResourcesObj).FirstOrDefault(n => n.User == user); currentNation.Build(); _db.Entry(currentNation).State = EntityState.Modified; _db.Entry(currentNation.ResourcesObj).State = EntityState.Modified; _db.SaveChanges(); return(View(currentNation)); }