public async Task <CurrencyRateResponse> CreateAsync([FromBody] CurrencyRateRequest request)
{
try
{
await _currencyRateService.CreateAsync(request.BaseAsset, request.QuoteAsset, request.Rate);
}
catch (EntityAlreadyExistsException)
{
return(new CurrencyRateResponse {
ErrorCode = RateErrorCode.RateAlreadyExists
});
}
return(new CurrencyRateResponse
{
BaseAsset = request.BaseAsset,
QuoteAsset = request.QuoteAsset,
Rate = request.Rate,
ErrorCode = RateErrorCode.None
});
}
public async Task <CurrencyRateResponse> UpdateAsync([FromBody] CurrencyRateRequest request)
{
try
{
await _currencyRateService.UpdateAsync(request.BaseAsset, request.QuoteAsset, request.Rate);
}
catch (EntityNotFoundException)
{
return(new CurrencyRateResponse {
ErrorCode = RateErrorCode.RateDoesNotExist
});
}
return(new CurrencyRateResponse
{
BaseAsset = request.BaseAsset,
QuoteAsset = request.QuoteAsset,
Rate = request.Rate,
ErrorCode = RateErrorCode.None
});
}
public async Task <CurrencyRateResponse> GetCurrencyRate(CurrencyRateRequest request)
{
var currencyFrom = await currencyDataAccess.GetByIdAsync(request.FromCurrencyId);
var currenctoTo = await currencyDataAccess.GetByIdAsync(request.ToCurrencyId);
var rates = await currencyRateClient.GetCurrencyRates();
var rateFrom = rates.FirstOrDefault(x => x.CurrencyTo.Code == currencyFrom.Code);
if (rateFrom == null)
{
return(new CurrencyRateResponse
{
Error = $"{currencyFrom.Code} rate not found",
IsSuccess = false
});
}
var rateTo = rates.FirstOrDefault(x => x.CurrencyTo.Code == currenctoTo.Code);
if (rateFrom == null)
{
return(new CurrencyRateResponse
{
Error = $"{currenctoTo.Code} rate not found",
IsSuccess = false
});
}
return(new CurrencyRateResponse
{
CurrencyRate = rateFrom.Rate / rateTo.Rate,
IsSuccess = true
});
}
