public IActionResult Index(int?businessID)
        {
            if (businessID == null || !businessID.HasValue)
            {
                return(NotFound());
            }
            _tableManager.UpdateTablesAvailability(businessID.Value);
            var indexVM = new TableIndexViewModel
            {
                Business = _businessManager.GetBusiness(businessID.Value),
                Tables   = _tableManager.GetTables(businessID.Value)
            };

            return(View(indexVM));
        }