public async Task <ActionResult> Index()
        {
            var viewModel = new AdministratorsIndexViewModel()
            {
                TopUsers            = _administratorsRepository.GetTopCustomers(),
                Feedbacks           = _administratorsRepository.GetNewestFeedbacks(),
                TopSellingProducts  = _administratorsRepository.GetTopSellingProducts(),
                MostUsedIngredients = _administratorsRepository.GetMostUsedIngredients(),
                TotalOrders         = await _administratorsRepository.GetTotalOrders(),
                TotalCustomers      = await _administratorsRepository.GetTotalCustomers(),
                TotalFeedbacks      = await _administratorsRepository.GetTotalFeedbacks()
            };

            return(View(viewModel));
        }