public void GetDetailedGroupResultTest()
        {
            Group    group    = Db.Groups.FirstOrDefault();
            Period   period   = Db.Periods.OrderBy(x => x.Created).Where(x => x.SectionId == group.SectionId).FirstOrDefault();
            ResultBL resultBL = new ResultBL();
            DetailedGroupResultViewModel result = resultBL.GetDetailedGroupResult(group, period);

            Console.WriteLine("Periodio:" + result.PeriodNumber);
            Console.WriteLine("==========================================");
            foreach (var item in result.Results)
            {
                Console.WriteLine("Nombre de Producto: " + item.ProductName);
                Console.WriteLine("Número de Producto: " + item.ProductNumber);
                Console.WriteLine("Costo de inventario Final: " + item.FinalStockCost);
                Console.WriteLine("Costo de Demanda Insatisfecha: " + item.UnsatisfiedDemandCost);
                Console.WriteLine("Costo de Orden: " + item.OrderCost);
                Console.WriteLine("-------------------------------------");
            }
        }
        public async Task <ActionResult> Details(Guid?PeriodId)
        {
            if (PeriodId == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            Group group = await Db.Groups.Where(x => x.Users.Select(t => t.Id).Contains(CurrentUser.Id)).FirstOrDefaultAsync();

            Period period = await Db.Periods.Where(x => x.Id == PeriodId).FirstOrDefaultAsync();

            if (group == null || period == null)
            {
                return(HttpNotFound());
            }
            ResultBL resultBL = new ResultBL();

            ViewBag.Section      = period.Section;
            ViewBag.Group        = group;
            ViewBag.PeriodNumber = group.Section.Periods.OrderBy(x => x.Created).ToList().IndexOf(period);
            DetailedGroupResultViewModel detailedResult = resultBL.GetDetailedGroupResult(group, period);

            return(View("DetailsStudents", detailedResult));
        }