protected void AddToList(ref List <ExchangeRate> list, enCurrency sale, enCurrency buy, decimal rate)
{
var obj = new ExchangeRate
{
CurrencySale = sale,
CurrencyBuy = buy,
Rate = (double)rate
};
list.Add(obj);
}
/// <summary>
/// Рекурсиынй поиск всех возможных цепочек валют для обмена
/// </summary>
/// <param name="variants">Варианты обмена (ref указан только для удобства чтения кода, передается всё равно ReferenseType)</param>
/// <param name="toCurrency">Валюта покупки</param>
/// <param name="currentSteps">Уже сделанные шаги для покупки валюты</param>
private void FillCurrencyChain(ref List <List <enCurrency> > variants, enCurrency toCurrency, List <enCurrency> currentSteps)
{
foreach (var currency in Enum.GetValues(typeof(enCurrency)))
{
if ((enCurrency)currency == enCurrency.Unknow || currentSteps.Contains((enCurrency)currency))
{
continue;
}
else if (toCurrency == (enCurrency)currency)
{
var list = new List <enCurrency>(currentSteps.Count + 1);
list.AddRange(currentSteps);
list.Add(toCurrency);
variants.Add(list);
}
else
{
var newSteps = new List <enCurrency>(currentSteps.Count + 1);
newSteps.AddRange(currentSteps);
newSteps.Add((enCurrency)currency);
FillCurrencyChain(ref variants, toCurrency, newSteps);
}
}
}
public static ProfitRecording GetLatestByExchangeAndCurrnecy(enExchange exchange, enCurrency currency, string arbSymbol)
{
ProfitRecording obj = new ProfitRecording();
DataSet ds = new DAL.ProfitRecordings().GetLatestByExchangeAndCurrnecy(exchange, currency, arbSymbol);
if (obj.MapData(ds) == false)
{
obj = null;
}
return(obj);
}
