コード例 #1
0
        public async Task ExecuteLoadSeedDataCommand()
        {
            if (IsBusy)
            {
                return;
            }


            _dataClient       = DependencyService.Get <IUserFoodDataService>();
            _chartDataService = DependencyService.Get <IChartDataService>();

            IsBusy       = true;
            Foods        = (await _dataClient.GetFoodsAsync()).ToObservableCollection();
            CalorieItems = (await _chartDataService.GetWeeklyCaloriesDataPointsAsync(Foods)).ToObservableCollection();

            var total = 0.0;
            int days  = 0;

            foreach (var item in CalorieItems)
            {
                if (item.Value > 0)
                {
                    total += item.Value;
                    days++;
                }
                Debug.WriteLine("datecreated {0} Calories {1} Target {2}", item.Name, item.Value, item.Size);
            }

            AverageCalories = (total / days);
            IsBusy          = false;
            IsInitialized   = true;
        }
        public async Task ExecuteLoadSeedDataCommand()
        {
            if (IsBusy)
            {
                return;
            }

            IsBusy = true;

            Foods = (await _DataClient.GetFoodsAsync()).ToObservableCollection();

            WeeklyCaloriesChartDataPoints =
                (await _ChartDataService.GetWeeklyCaloriesDataPointsAsync(Foods))
                .OrderBy(x => x.Name)
                .Select(x => new ChartDataPoint(x.Name, x.Value))
                .ToObservableCollection();


            AverageWeeklyCalories = string.Format("{0}", WeeklyCaloriesChartDataPoints.Average(x => x.YValue));

            Debug.WriteLine("Weekly Average Calories: {0}", AverageWeeklyCalories);
            IsInitialized = true;
            IsBusy        = false;
        }