/// <summary>
/// Main basket items processing method. It's idemopotent.
/// </summary>
public void Checkout()
{
SkuEntity skuEntity;
IBasketParser basketParser = BasketParser.Create(basketFilePath);
receiptLineItems = new List <Entities.LineItem>();
// Iterate through each item in the basket
while (basketParser.MoveNext())
{
basketItem = basketParser.Current;
skuEntity = this.catalogModel.Find(basketItem.Sku);
if (skuEntity != null)
{
// Add regular line item
receiptLineItems.Add(new LineItem
{
LineItemType = DiscountTypes.noDiscount,
Label = skuEntity.Label,
Price = skuEntity.Price,
Qty = basketItem.Qty,
Sku = skuEntity.Id,
Total = basketItem.Qty * skuEntity.Price
});
// Add discount line item (automatically determined by the appropriate discount strategy for the item)
IDiscountStrategy discountStrategy
= DiscountStrategy.Instance.Create(skuEntity.DiscountType);
// Create the discount line item if any
LineItem discountLineItem =
discountStrategy.GenerateDiscountLineItem(skuEntity, basketItem);
if (discountLineItem != null)
{
receiptLineItems.Add(discountLineItem);
}
}
}
// Reset discount strategies to get them ready for next basket checkout
DiscountStrategy.Instance.Reset();
}
