private void PerformPurchaseCancel()
{
if (PurchasedItem != null && PurchaseInfo != null)
{
PurchaseInfo.Delete();
PurchasedItem.AdjustQuantityByAmount(PurchaseInfo.QuantitySold);
PurchaseInfoIsVisible = false;
BarcodeNumber = "";
ItemPurchaseStatusMessage = "";
}
}
private void SavePurchaseUpdatesToDB()
{
if (PurchaseInfoIsVisible && PurchaseInfo != null)
{
UpdatePurchaseInfoCurrencies();
if (Quantity > PurchasedItem.Quantity)
{
// too much!! can't buy this many. :(
_failureSoundPlayer.Play();
QuantityErrorMessage = "Quantity to purchase is higher than the number of available items";
}
else
{
QuantityErrorMessage = "";
PurchaseInfo.QuantitySold = Quantity;
var paidAsDecimal = 0m;
if (!decimal.TryParse(PaidAmount, out paidAsDecimal))
{
paidAsDecimal = 0;
}
PurchaseInfo.Paid = paidAsDecimal;
if (_amountInventoryChanged != Quantity)
{
if (_amountInventoryChanged < Quantity) // e.g. 1 -> 3 (= diff of 2; needs to be adjusted by -2)
{
PurchasedItem.AdjustQuantityByAmount(_amountInventoryChanged - Quantity);
}
else // e.g. 3 -> 1 (= diff of 2; needs to be adjusted by 2)
{
PurchasedItem.AdjustQuantityByAmount(Quantity - _amountInventoryChanged);
}
_amountInventoryChanged = Quantity;
}
PurchaseInfo.SaveUpdates();
}
}
}
