public void UpdateItem(SANPHAM sp, int quantity)
{
CartItem line = lineCollection
.Where(p => p.Sanpham.MaQA == sp.MaQA)
.FirstOrDefault();
if (line != null)
{
if (quantity > 0)
{
line.Quantity = quantity;
}
else
{
lineCollection.RemoveAll(l => l.Sanpham.MaQA == sp.MaQA);
}
}
}
public void AddItem(SANPHAM sp, int quantity)
{
CartItem line = lineCollection
.Where(p => p.Sanpham.MaQA == sp.MaQA)
.FirstOrDefault();
if (line == null)
{
lineCollection.Add(new CartItem
{
Sanpham = sp,
Quantity = quantity
});
}
else
{
line.Quantity += quantity;
if (line.Quantity <= 0)
{
lineCollection.RemoveAll(l => l.Sanpham.MaQA == sp.MaQA);
}
}
}
public int GetProductQuantity(SANPHAM sp)
{
return(lineCollection.Where(s => s.Sanpham.MaQA == sp.MaQA)
.Single()
.Quantity);
}
public void RemoveLine(SANPHAM sp)
{
lineCollection.RemoveAll(l => l.Sanpham.MaQA == sp.MaQA);
}