private async void OnSelectDiscount(DiscountDto obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
if (InvoiceBindProp == null)
{
InvoiceBindProp = new InvoiceDto();
}
var discount = new DiscountForInvoiceDto(obj);
if (obj.IsPercentage)
{
discount.Value = obj.Value / 100 * InvoiceBindProp.TotalPrice;
}
InvoiceBindProp.Discounts.Add(discount);
InvoiceBindProp.TotalPrice -= discount.Value;
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnSave(object obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
ItemForInvoiceBindProp.Value += ItemBindProp.Price * ItemForInvoiceBindProp.Quantity;
ListDiscountBindProp.Where(d => d.IsSelected).OrderBy(d => d.IsPercentage).ForEach(discount =>
{
discount.IsSelected = false;
if (discount.IsPercentage)
{
var newDiscount = new DiscountForInvoiceDto(discount);
newDiscount.Value = discount.Value / 100 * ItemForInvoiceBindProp.Value;
ItemForInvoiceBindProp.Discounts.Add(newDiscount);
ItemForInvoiceBindProp.Value -= newDiscount.Value;
}
else
{
ItemForInvoiceBindProp.Discounts.Add(new DiscountForInvoiceDto(discount));
ItemForInvoiceBindProp.Value -= discount.Value;
}
});
var param = new NavigationParameters();
param.Add("item", ItemForInvoiceBindProp);
await NavigationService.GoBackAsync(param);
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}