private static IReadOnlyList <PaymentShippingOption> CreateShippingOptions(ShoppingCart shoppingCart)
{
List <PaymentShippingOption> paymentShippingOptions = new List <PaymentShippingOption>();
ShippingType selectedShippingType = shoppingCart.ShippingType;
IReadOnlyDictionary <ShippingType, ShoppingCartCostsSummary> cartShippingOptions = shoppingCart.CalculateShippingOptions();
ShoppingCartCostsSummary costsOfSelectedShipping = cartShippingOptions[selectedShippingType];
foreach (var kvp in cartShippingOptions)
{
ShippingType shippingType = kvp.Key;
ShoppingCartCostsSummary costs = kvp.Value;
PaymentShippingOption shippingOption = new PaymentShippingOption(
label: ShippingTypeStringUtilities.CreateShippingOptionTitle(shippingType, costs, costsOfSelectedShipping),
selected: (shippingType == selectedShippingType),
tag: shippingType.ToString(),
amount: CreateCurrencyAmount(costs.Shipping));
paymentShippingOptions.Add(shippingOption);
}
return(paymentShippingOptions);
}
/// <summary>
/// Updates the strings that display the cost summary (e.g. sub-total, tax, etc.) of the shopping cart.
/// </summary>
private void UpdateCostsSummaryStrings()
{
ShoppingCartCostsSummary costsSummary = this.ShoppingCart.CostsSummary;
// Update values.
this.SubtotalString = PriceStringUtilities.CreatePriceString(costsSummary.ItemsSubtotal);
this.EstimatedShippingString = PriceStringUtilities.CreatePriceString(costsSummary.Shipping);
this.ShippingTypeString = ShippingTypeStringUtilities.GetFriendlyNameOfShippingType(this.ShoppingCart.ShippingType);
this.EstimatedTaxString = PriceStringUtilities.CreatePriceString(costsSummary.TotalTax);
this.TotalCostString = PriceStringUtilities.CreatePriceString(costsSummary.Total);
// Raise all the 'PropertyChanged' events.
this.RaisePropertyChanged(nameof(this.SubtotalString));
this.RaisePropertyChanged(nameof(this.EstimatedShippingString));
this.RaisePropertyChanged(nameof(this.ShippingTypeString));
this.RaisePropertyChanged(nameof(this.EstimatedTaxString));
this.RaisePropertyChanged(nameof(this.TotalCostString));
}
