/// <summary>
/// Returns the default currency.
/// </summary>
/// <param name="repositoryFactory">
/// The repository factory.
/// </param>
/// <returns>
/// The default currency.
/// </returns>
internal static CurrencyViewModel GetDefaultCurrency(IRepositoryFactory repositoryFactory)
{
Currency currencyDto;
using (var repository = repositoryFactory.GetSettingRepository())
{
currencyDto = repository.FirstOrDefault(s => !s.IsDeleted)?.DefaultCurrency;
}
return(ModelsMapper.GetCurrencyViewModel(currencyDto));
}
/// <summary>
/// Tries to convert price to price in the specified currency via a cross-cource.
/// </summary>
/// <param name="repository">
/// The currency rates repository.
/// </param>
/// <param name="amount">
/// The price amount.
/// </param>
/// <param name="currencyCode">
/// The currency code.
/// </param>
/// <param name="targetCurrencyCode">
/// The target currency code.
/// </param>
/// <param name="targetPrice">
/// The convertion result.
/// </param>
internal static bool TryConvertToTargetPrice(
ICurrencyRateRepository repository,
decimal amount,
int currencyCode,
int targetCurrencyCode,
out PriceViewModel targetPrice)
{
var rate = GetCurrencyRate(repository, currencyCode, targetCurrencyCode);
if (rate != null)
{
targetPrice = new PriceViewModel
{
// financial rounding to even
Amount = Math.Round(rate.CrossCourse * amount, 2, MidpointRounding.ToEven),
Currency = ModelsMapper.GetCurrencyViewModel(rate.TargetCurrency)
};
return(true);
}
targetPrice = null;
return(false);
}