private void UpdateApartmentsNumbers()
{
if (SelectedBuilding != null)
{
ApartmentsNumbersCollection = new ObservableCollection <int>(ApartmentsCollection.Where(x => x.BuildingId.Equals(SelectedBuilding.BuildingId)).Select(x => x.ApartmentNumber).ToList().OrderBy(x => x));
SelectedApartmentNumberValue = null;
}
else
{
ApartmentsNumbersCollection = new ObservableCollection <int>();
SelectedApartmentNumberValue = null;
}
}
private void CalculateSum()
{
double uc;
if (!double.TryParse(UnitCost, out uc) || SelectedCategoryName == null || SelectedUnitName == null || SelectedApartmentNumberValue == null || SelectedBuilding == null)
{
return;
}
double units;
var a = ApartmentsCollection.FirstOrDefault(x => x.BuildingId.Equals(SelectedBuilding.BuildingId) && x.ApartmentNumber.Equals(SelectedApartmentNumber));
switch ((CostDistribution)SelectedUnitName.EnumValue)
{
case CostDistribution.PerApartment:
units = 1;
break;
case CostDistribution.PerApartmentTotalArea:
units = a.AdditionalArea + a.ApartmentArea;
break;
case CostDistribution.PerApartmentArea:
units = a.ApartmentArea;
break;
case CostDistribution.PerAdditionalArea:
units = a.AdditionalArea;
break;
case CostDistribution.PerLocators:
var ap = ApartmentsCollection.FirstOrDefault(x => x.BuildingId.Equals(SelectedBuilding.BuildingId) && x.ApartmentNumber.Equals(SelectedApartmentNumber));
units = ap.Locators;
break;
default:
units = 0;
break;
}
ChargeSum = (Math.Round((units * uc), 2)).ToString();
}
