public string FiatExchange(string body)
{
JObject fieldData = JsonConvert.DeserializeObject <JObject>(body);
int id = Convert.ToInt32(fieldData["id"]);
string selectedValueFrom = Convert.ToString(fieldData["selectedValueFrom"]);
string selectedValueTo = Convert.ToString(fieldData["selectedValueTo"]);
double amount = Convert.ToDouble(fieldData["amountFrom"]);
var fiatCurrencyName = _context.Currency.Where(i => i.CurrencyAbbreviation == selectedValueFrom).Select(i => i.CurrencyName).FirstOrDefault();
var cryptoCurrencyName = _context.CryptoCurrency.Where(i => i.CryptoCurrencyAbbreviation == selectedValueTo).Select(i => i.CryptoCurrencyName).FirstOrDefault();
GetConversionRateAsync getConversionRateAsync = new GetConversionRateAsync();
var conversionRate = getConversionRateAsync.GetConversionRate(selectedValueFrom, selectedValueTo);
FeesManager fee = new FeesManager(_context);
var currentFee = Convert.ToDouble((int)Math.Round((double)(Convert.ToDouble(fee.GetAllFees()) / 100) * amount));
var bankAccount = _context.BankAccount.Where(i => i.IdUser == id && i.CurrencyName == fiatCurrencyName).FirstOrDefault();
var cryptoAccount = _context.CryptoAccount.Where(i => i.CryptoCurrencyName == cryptoCurrencyName).FirstOrDefault();
bankAccount.Sold -= (amount + currentFee);
if (bankAccount.Sold < 0)
{
return(null);
}
if (conversionRate == 0)
{
cryptoAccount.Sold = amount;
_context.SaveChanges();
return("ok");
}
var test = Convert.ToDouble(conversionRate);
var test1 = test * amount;
cryptoAccount.Sold += amount * Convert.ToDouble(conversionRate);
_context.SaveChanges();
string type = "Fiat Transaction";
CryptoManager transaction = new CryptoManager(_context, _mapper);
transaction.AddCryptoTransaction(selectedValueFrom, selectedValueTo, amount, type);
return("ok");
}