protected override void UpdateTotals()
{
var rootCategories = ItemsShowing.Where(x => x.Category == null || x.Category.ParentCategory == null);
//sum only root categories
TotalSales = rootCategories.Sum(x => x.Amount);
TotalCost = rootCategories.Sum(x => x.Cost);
TotalProfit = totalSales - totalCost;
AverageCostPercent = totalSales == 0 ? 0 : totalCost / totalSales;
}
protected override List <ChartItemViewModel> GetGraphData()
{
List <ChartItemViewModel> result = new List <ChartItemViewModel>();
foreach (var item in
ItemsShowing.Where(x => x.ChildrenProductsTotalSale > 0).OrderBy(x => - x.ChildrenProductsTotalSale))
{
ChartItemViewModel scc = new ChartItemViewModel();
scc.X = item.CategoryName;
scc.TotalSale = Math.Round(item.ChildrenProductsTotalSale);
result.Add(scc);
}
return(result);
}