public void UpdateItem(GoiTap gt, int quantity)
{
CartItem line = lineCollection
.Where(p => p.Goitap.MaGT == gt.MaGT)
.FirstOrDefault();
if (line != null)
{
if (quantity > 0)
{
line.Quantity = quantity;
}
else
{
lineCollection.RemoveAll(l => l.Goitap.MaGT == gt.MaGT);
}
}
}
public void AddItem(GoiTap gt, int quantity)
{
CartItem line = lineCollection
.Where(p => p.Goitap.MaGT == gt.MaGT)
.FirstOrDefault();
if (line == null)
{
lineCollection.Add(new CartItem
{
Goitap = gt,
Quantity = quantity
});
}
else
{
line.Quantity += quantity;
if (line.Quantity <= 0)
{
lineCollection.RemoveAll(l => l.Goitap.MaGT == gt.MaGT);
}
}
}
public void RemoveLine(GoiTap gt)
{
lineCollection.RemoveAll(l => l.Goitap.MaGT == gt.MaGT);
}