public async Task <CurrencyQueryResponse> GetFromTo([FromQuery] string symbol, [FromQuery] DateTime from, [FromQuery] DateTime?to) { var currency = await _currencyManager.GetCurrenciesByDate(symbol, from, to); return(currency != null?_mapper.Map <CurrencyQueryResponse>(currency) : throw new ApiProblemDetailsException($"No data found.", Status404NotFound)); }