public async Task <CartResponseModel> GetCheckoutAsync(CartRequestModel requestModel)
{
CartResponseModel responseModel = new CartResponseModel();
decimal totalPrice = default(decimal);
List <int> printedEditionIds = requestModel.CartItemModels.Select(item => item.PrintedEditionId).ToList();
List <PrintedEdition> printedEditions = await _printedEditionRepository.GetRangeByIdAsync(printedEditionIds);
foreach (CartItemModel cartItem in requestModel.CartItemModels)
{
PrintedEdition printedEdition = printedEditions.FirstOrDefault(item => item.Id == cartItem.PrintedEditionId);
CheckoutItemModel checkoutItem = new CheckoutItemModel
{
PrintedEditionId = printedEdition.Id,
PrintedEditionName = printedEdition.Name,
Quantity = cartItem.Quantity,
UnitPrice = printedEdition.Price,
OrderAmount = printedEdition.Price * cartItem.Quantity
};
totalPrice += checkoutItem.OrderAmount;
responseModel.CheckoutItemModels.Add(checkoutItem);
}
responseModel.TotalPrice = totalPrice;
return(responseModel);
}
public CheckoutItemModel Get(string cartId)
{
var checkoutItems = this.checkoutRepository.Get(cartId);
if (!checkoutItems.Any())
{
return(null);
}
var sum = checkoutItems.Select(c => c.Price * c.Quantity).Sum();
var checkoutItem = new CheckoutItemModel();
checkoutItem.Cart = checkoutItems;
checkoutItem.Sum = sum;
return(checkoutItem);
}
