public void AddProduct(Kalori kaloriler, int quantity)
{
var line = _cardLines.FirstOrDefault(i => i.Type.Id == kaloriler.Id);
if (line == null)
{
_cardLines.Add(new Kaloriler()
{
Type = kaloriler, Quantity = quantity
});
}
else
{
line.Quantity += quantity;
}
}
public void DeleteProduct(Kalori product)
{
_cardLines.RemoveAll(i => i.Type.Id == product.Id);
}