CapRaffle.Domain.Implementation.StatisticRepository.NumberOfEventTicketsNotHandedOut C# (CSharp) Метод

        private int NumberOfEventTicketsNotHandedOut()
        {
            var unUsedTickets = context.Events.Where(x => x.CategoryId == categoryId);
            if(unUsedTickets.Count() > 0)
                return unUsedTickets.Sum(x => x.AvailableSpots) - NumberOfEventTicketsHandedOut();
            return 0;
        }