public void OnBtnAddClick(object obj)
{
if (!(obj is FoodProduct menuItem))
{
return;
}
var item = BasketItems.Find(x => x.MiGuid == menuItem.MiId);
if (item != null)
{
item.MiQuantity++;
ItemsBasket_CollectionChanged();
return;
}
BasketItems.Add(new Models.BasketItem {
MiGuid = menuItem.MiId, MiName = menuItem.MiName, MiImage = menuItem.MiImage, MiPrice = menuItem.MiPrice, MiQuantity = 1
});
ItemsBasket_CollectionChanged();
}
public override decimal CalculateBasketTotal()
{
decimal total = base.CalculateBasketTotal();
decimal discountPrice = 0.00M;
int discounts = 0;
if (base.BasketItems.Exists(x => x.Name == _sourceItem && x.Quantity >= 2) && base.BasketItems.Exists(x => x.Name == _targetItem))
{
int sourceCount = base.BasketItems.Find(x => x.Name == _sourceItem).Quantity;
int targetCount = base.BasketItems.Find(x => x.Name == _targetItem).Quantity;
for (int i = 1; i <= sourceCount && discounts < targetCount; i++)
{
if (i % 2 == 0)
{
discounts++;
}
discountPrice = (BasketItems.Find(x => x.Name == _targetItem).Cost * 50 / 100) * discounts;
}
}
return(total - discountPrice);
}
public BasketItem Find(string name)
{
return(BasketItems.Find(item => item.ProductName == name));
}