private void FillMissingRates(List <CurrencyConvertion> rates)
{
List <string> froms = rates.Select(o => o.From).Distinct().ToList();
List <string> tos = rates.Select(o => o.To).Distinct().ToList();
foreach (string from in froms)
{
foreach (string to in tos)
{
if (from == to)
{
continue;
}
CurrencyConvertion rate = rates.SingleOrDefault(o =>
o.From == from &&
o.To == to);
if (rate == null)
{
FillMissingRate(rates, from, to);
}
}
}
}
private void FillMissingRate(List <CurrencyConvertion> rates, string from, string to)
{
List <CurrencyConvertion> partielFroms = rates.Where(o => o.From == from).ToList();
List <string> tos = partielFroms.Select(o => o.To).Distinct().ToList();
List <CurrencyConvertion> nexusFroms = rates.Where(o => tos.Contains(o.From)).ToList();
CurrencyConvertion nexusTo = nexusFroms.Where(o => o.To == to).FirstOrDefault();
if (nexusTo != null)
{
AddMissingRate(rates, from, to, partielFroms, nexusTo);
}
}
private void AddMissingRate(
List <CurrencyConvertion> rates,
string from,
string to,
List <CurrencyConvertion> partielFroms,
CurrencyConvertion nexusTo)
{
CurrencyConvertion nexusFrom = partielFroms.Where(o => o.To == nexusTo.From).Single();
CurrencyConvertion rate = new CurrencyConvertion
{
From = from,
To = to,
Rate = nexusTo.Rate * nexusFrom.Rate
};
rates.Add(rate);
}
protected async Task ConvertToNativeTarget(string nativeCurrency, decimal nativeAmount)
{
if (CryptoCurrencyAmount != 0)
{
CurrencyConvertion currencyConvertion = MainComponent.Instance.CurrencyConvertionsContainer[nativeCurrency + "->" + MainComponent.Instance.TargetCurrency, TimeStamp];
if (currencyConvertion != null)
{
NativeCurrency = MainComponent.Instance.TargetCurrency;
NativeAmount = nativeAmount * currencyConvertion.ConvertionRate;
ValueForOneCryptoTokenInNative = NativeAmount / CryptoCurrencyAmount;
}
else
{
string date = TimeStamp.ToString("yyyy-MM-dd");
using (CallRateLimiter httpClient = new CallRateLimiter("Grandtrunk-Currencies", 5, TimeSpan.FromSeconds(1)))
{
HttpResponseMessage httpResponse = await httpClient.GetDataAsync($"http://currencies.apps.grandtrunk.net/getrate/{date}/{nativeCurrency}/{MainComponent.Instance.TargetCurrency}");
if (httpResponse.IsSuccessStatusCode)
{
if (decimal.TryParse(await httpResponse.Content.ReadAsStringAsync(), out decimal exchangeRate))
{
lock (MainComponent.Instance)
{
if (!MainComponent.Instance.CurrencyConvertionsContainer.ContainsKey(nativeCurrency + "->" + MainComponent.Instance.TargetCurrency, TimeStamp))
{
MainComponent.Instance.CurrencyConvertionsContainer.Add(new CurrencyConvertion(nativeCurrency, MainComponent.Instance.TargetCurrency, TimeStamp, exchangeRate));
}
}
NativeCurrency = MainComponent.Instance.TargetCurrency;
NativeAmount = nativeAmount * exchangeRate;
ValueForOneCryptoTokenInNative = NativeAmount / CryptoCurrencyAmount;
}
}
else
{
}
}
}
}
}
private void PassTransactionsToDefualtCurrency(List <CurrencyConvertion> Rates, List <Transaction> transactions)
{
transactions.ForEach(t =>
{
if (t.Currency != defualtCurrency)
{
CurrencyConvertion Rate = Rates.SingleOrDefault(c =>
c.From == t.Currency &&
c.To == defualtCurrency);
if (Rate != null)
{
t.Currency = defualtCurrency;
t.Amount *= Rate.Rate;
t.Amount = bankCalculus.RoundBank(t.Amount);
}
}
});
}
public void Add(CurrencyConvertion currencyConvertion)
{
Init();
if (_fromToCurrencies.ContainsKey(currencyConvertion.FromToCurrencies))
{
if (!_fromToCurrencies[currencyConvertion.FromToCurrencies].Any(c => c.DateOfConvertionRate == currencyConvertion.DateOfConvertionRate))
{
_fromToCurrencies[currencyConvertion.FromToCurrencies].Add(currencyConvertion);
_currencyConvertions.Add(currencyConvertion);
}
}
else
{
_fromToCurrencies.Add(currencyConvertion.FromToCurrencies, new List <CurrencyConvertion> {
currencyConvertion
});
_currencyConvertions.Add(currencyConvertion);
}
}
public void InsertOrUpdateRates(List <CurrencyConvertion> rates)
{
MongoDal mongoDal = new MongoDal(ratesCollectionName, configuration);
foreach (CurrencyConvertion rate in rates)
{
CurrencyConvertion existentRate = mongoDal.GetWhere <CurrencyConvertion>(o =>
o.From == rate.From &&
o.To == rate.To).FirstOrDefault();
if (existentRate == null)
{
mongoDal.AddObject <CurrencyConvertion>(rate);
}
else
{
existentRate.Rate = rate.Rate;
mongoDal.UpadeteObject <CurrencyConvertion>(existentRate);
}
}
}