private void AuditCurrencyRates(ForexResult forexResult)
{
foreach (var item in forexResult.Rates)
{
_context.ExchangeRates.Add(new Entities.ExchangeRate
{
BaseCurrency = forexResult.Base,
TargetCurrency = item.Key,
Rate = item.Value,
Timestamp = forexResult.Timestamp,
Date = forexResult.Date
});
}
_context.SaveChanges();
}
private void CacheForexRates(string key, ForexResult forexResult)
{
_cache.Set(key, forexResult);
}
private static decimal GetCurrencyRate(string baseCurrency, string targetCurrency, ForexResult forexResult)
{
decimal rate = 0;
if (forexResult.Base.Equals(baseCurrency))
{
rate = forexResult.Rates[targetCurrency];
}
else if (forexResult.Base.Equals(targetCurrency))
{
rate = 1 / forexResult.Rates[baseCurrency];
}
else
{
var baseRate = 1 / forexResult.Rates[baseCurrency];
var targetRate = 1 / forexResult.Rates[targetCurrency];
rate = 1 * baseRate * 1 / targetRate;
}
return(Math.Round(rate, _decimalRounding));
}
