public void Add(Item item)
{
ShoppingCartLine existingLine = FindLine(item);
if (existingLine != null)
{
existingLine.Quantity += 1;
}
else
{
_cartLines.Add(new ShoppingCartLine(item));
}
}
public void Add(ShoppingCartLine newLine)
{
ShoppingCartLine existingLine = FindLine(newLine);
if (existingLine != null)
{
existingLine.Quantity += newLine.Quantity;
}
else
{
_cartLines.Add(newLine);
}
}
public ShoppingCartLine FindLine(ShoppingCartLine otherLine)
{
return(FindLine(otherLine.Item));
}
public void RemoveLine(ShoppingCartLine otherLine)
{
RemoveLine(otherLine.Item);
}