Exemple #1
0
        public ActionResult Index()
        {
            HomePageViewModel mdl = new HomePageViewModel();

            var userId     = User.Identity.GetUserId();
            int chartRange = 3;

            var acctualDate = DateTime.Now.Date;
            var startDate   = acctualDate.AddDays(-chartRange);

            var Chart = _context.MealComponents
                        .Where(m => m.Date >= startDate && m.UserId == userId)
                        .ToList();

            var AxisX_Dates = Chart
                              .Select(m => m.Date.Date)
                              .Distinct()
                              .OrderBy(m => m.Date.Date)
                              .ToList();


            var AxisY = Chart
                        .OrderBy(m => m.Date.Date)
                        .GroupBy(m => m.Date.Date)
                        .Select(m => m.Select(n => n.Quantity * n.Product.Calories).Sum())
                        .ToList();


            mdl.CompleteChart(AxisX_Dates, AxisY, chartRange);

            mdl.ValueX = AxisX_Dates.Select(m => m.Date.ToString("dd/MM/yyyy")).ToList();
            mdl.ValueY = AxisY;

            return(View(mdl));
        }