public void RemoveTransaction(int productID)
{
SaleTransaction placeholderTransaction = FindTransactionFromProductID(productID);
Transactions.Remove(placeholderTransaction);
UpdateTotalPrice();
UpdateNumberOfProducts();
}
public void AddTransaction(SaleTransaction transaction)
{
//Checks if product is already in reciept//
if (IsProductInReceipt(transaction.Product))
{
Transaction placeholderTransaction = GetTransactionWithProduct(transaction.Product);
placeholderTransaction.Edit(placeholderTransaction.Amount += transaction.Amount);
}
else
{
Transactions.Add(transaction);
}
TotalPrice += FindTransactionPrice(transaction);
UpdateNumberOfProducts();
}
private decimal FindTransactionPrice(SaleTransaction transaction)
{
decimal priceTotal = 0;
if (transaction.Product is Product)
{
if ((transaction.Product as Product).DiscountBool)
{
priceTotal = transaction.Amount * (transaction.Product as Product).DiscountPrice;
}
else
{
priceTotal = transaction.Amount * (transaction.Product as Product).SalePrice;
}
}
else if (transaction.Product is TempProduct)
{
priceTotal = transaction.Amount * (transaction.Product as TempProduct).SalePrice;
}
else if (transaction.Product is ServiceProduct)
{
if ((transaction.Product as ServiceProduct).GroupLimit > transaction.Amount)
{
priceTotal += (transaction.Product as ServiceProduct).SalePrice;
}
else
{
priceTotal += (transaction.Product as ServiceProduct).GroupPrice;
}
}
else
{
throw new WrongProductTypeException("Transaktionens produkt har ikke en valid type!");
}
return(priceTotal);
}