public async Task SaveOrDeletePerformance(string AccountId, int performanceId)
        {
            Entities.Models.Wishlist performance = await
                                                   WishlistRepository.GetPerformanceByPhoneIdAndPerformanceId(
                AccountId, performanceId);

            if (performance == null)
            {
                performance = new Entities.Models.Wishlist()
                {
                    AccountId     = int.Parse(AccountId),
                    PerformanceId = performanceId
                };
                WishlistRepository.Add(performance);
            }
            else
            {
                WishlistRepository.Remove(performance);
            }

            theaterScheduleUnitOfWork.Save();
        }