/// <summary>
/// Executes the workflow associated with retrieving list of supported channel currencies.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>The response.</returns>
protected override GetChannelCurrencyAmountResponse Process(GetChannelCurrencyAmountRequest request)
{
ThrowIf.Null(request, "request");
ThrowIf.Null(request.CurrenciesToConvert, "request.CurrencyToConvert");
if (!request.CurrenciesToConvert.Any())
{
throw new DataValidationException(DataValidationErrors.Microsoft_Dynamics_Commerce_Runtime_CurrencyNotFound);
}
GetChannelCurrencyAmountResponse response;
if (!request.IsTotalToBeCalculated)
{
CurrencyRequest currencyToConvert = request.CurrenciesToConvert.Single();
// Set default store currency if the currency Iso code is not set.
if (string.IsNullOrWhiteSpace(currencyToConvert.CurrencyCode))
{
var channelConfiguration = this.Context.GetChannelConfiguration();
currencyToConvert.CurrencyCode = channelConfiguration.Currency;
}
var serviceRequest = new GetChannelCurrencyServiceRequest(currencyToConvert.CurrencyCode, currencyToConvert.AmountToConvert, request.QueryResultSettings);
var serviceResponse = this.Context.Execute <GetChannelCurrencyServiceResponse>(serviceRequest);
response = new GetChannelCurrencyAmountResponse(serviceResponse.ChannelCurrencies);
}
else
{
var serviceRequest = new CalculateTotalAmountServiceRequest(request.CurrenciesToConvert);
var serviceResponse = this.Context.Execute <CalculateTotalAmountServiceResponse>(serviceRequest);
response = new GetChannelCurrencyAmountResponse(new ReadOnlyCollection <CurrencyAmount>(new[] { serviceResponse.TotalCurrencyAmount }).AsPagedResult());
}
return(response);
}
/// <summary>
/// Gets all supported channel currency value and exchange rate for the given amount.
/// </summary>
/// <param name="request">Request contains the amount to be converted.</param>
/// <returns>The converted amount with exchange rates.</returns>
private static GetChannelCurrencyServiceResponse GetSupportedChannelCurrencies(GetChannelCurrencyServiceRequest request)
{
string fromCurrencyCode = request.CurrencyCode;
GetChannelCurrenciesDataRequest dataRequest = new GetChannelCurrenciesDataRequest(request.QueryResultSettings ?? QueryResultSettings.AllRecords);
PagedResult <CurrencyAmount> pagedChannelCurrencies = request.RequestContext.Execute <EntityDataServiceResponse <CurrencyAmount> >(dataRequest).PagedEntityCollection;
ReadOnlyCollection <CurrencyAmount> channelCurrencies = pagedChannelCurrencies.Results;
if (channelCurrencies == null || !channelCurrencies.Any())
{
NetTracer.Warning("Cannot find channel currencies");
return(new GetChannelCurrencyServiceResponse());
}
var currencyList = channelCurrencies.ToList();
foreach (var toCurrency in currencyList)
{
var getCurrencyValueRequest = new GetCurrencyValueServiceRequest(fromCurrencyCode, toCurrency.CurrencyCode, request.Amount);
GetCurrencyValueServiceResponse serviceResponse = GetCurrencyConversion(request.RequestContext, getCurrencyValueRequest);
toCurrency.ExchangeRate = serviceResponse.ExchangeRate;
toCurrency.ConvertedAmount = serviceResponse.ConvertedAmount;
toCurrency.RoundedConvertedAmount = serviceResponse.RoundedConvertedAmount;
}
var storeCurrencyList = currencyList.Where(currency => currency.ExchangeRate > 0M).ToList();
// If the from currency does not exists add to the list.
if (storeCurrencyList.All(currency => string.CompareOrdinal(currency.CurrencyCode, fromCurrencyCode) != 0))
{
CurrencyAmount conversionResult = GetFromCurrencyAmount(request.RequestContext, request.Amount, fromCurrencyCode);
storeCurrencyList.Add(conversionResult);
}
pagedChannelCurrencies.Results = storeCurrencyList.AsReadOnly();
return(new GetChannelCurrencyServiceResponse(pagedChannelCurrencies));
}
