private void HandleAddRemove(object sender, AddRemoveClickEventArgs e)
{
var vm = adapter.GetItem(e.Position);
if (e.IsAdd)
{
cartService.AddProduct(vm.Product, vm.Sale);
}
else
{
cartService.RemoveProduct(vm.Product);
}
vm.Units = cartService.GetUnits(vm.Product);
vm.DiscountPercent = cartService.GetDiscountPercent(vm.Product);
adapter.NotifyItemChanged(e.Position);
UpdateTotalPrice();
}
private void OnAddRemoveClick(AddRemoveClickEventArgs args) => AddRemoveClick?.Invoke(this, args);
