public void AddItem(ElectronicCigarettes cigarettes, int quantity)
{
CartLine line = lineCollection
.Where(c => c.ElectronicCigarettes.ElectronicCigarettesId == cigarettes.ElectronicCigarettesId)
.FirstOrDefault();
if (line == null)
{
lineCollection.Add(new CartLine {
ElectronicCigarettes = cigarettes, Quantity = quantity
});
}
else
{
line.Quantity += quantity;
}
}
public void RemoveLine(ElectronicCigarettes cigarettes)
{
lineCollection.RemoveAll(l => l.ElectronicCigarettes.ElectronicCigarettesId == cigarettes.ElectronicCigarettesId);
}