public IActionResult GetRates([FromQuery(Name = "from")] string fromCurrency, [FromQuery(Name = "to")] string toCurrency)
{
if (!IsValid(fromCurrency, toCurrency, out var validationErrors))
{
return(BadRequest(ResponseModel.FromErrors(validationErrors)));
}
var rateModel = new RateModel
{
Value = UsdConversionRates[fromCurrency] / UsdConversionRates[toCurrency]
};
return(Ok(ResponseModel.FromSuccess(rateModel)));
}