public ExchangeRateCommandHandler(IExchangeCurrencyHttpQuery exchangeRateQuery, IExchangeService exchangeRateService)
 {
     _exchangeRateQuery   = exchangeRateQuery;
     _exchangeRateService = exchangeRateService;
 }
 public RecommendationController(CAASystemDataContext context, IExchangeCurrencyQuery currencyExchangeQuery, IExchangeCurrencyHttpQuery exchangeRateQuery)
 {
     _context = context;
     _currencyExchangeQuery = currencyExchangeQuery;
     _exchangeRateQuery     = exchangeRateQuery;
 }