private void CheckFormulaParams()
{
formulaParams = resolver.GetVariableNames();
var errorPtrs = new List <string>();
var tickers = DalSpot.Instance.GetTickerNames();
foreach (var ptr in formulaParams)
{
if (ExpressionResolverLiveParams.CheckParamName(ptr))
{
continue;
}
if (tickers.Any(t => t.Equals(ptr, StringComparison.OrdinalIgnoreCase)))
{
continue;
}
errorPtrs.Add(ptr);
}
if (errorPtrs.Count == 0)
{
return;
}
FormulaError = "Некорректные параметры: " + string.Join(", ", errorPtrs);
formulaParams = null;
resolver = null;
}
public void CheckCondition()
{
IsTriggered = false;
if (resolver == null)
{
return;
}
// получить значения переменных
var varVal = new Dictionary <string, double>();
var timeNow = DateTime.Now;
var quotes = QuoteStorage.Instance.ReceiveAllData().ToDictionary(q => q.Key.ToLower(), q => q.Value);
foreach (var ptrName in formulaParams)
{
var ptrVal = ExpressionResolverLiveParams.GetParamValue(ptrName, timeNow, false);
if (ptrVal.HasValue)
{
varVal.Add(ptrName, ptrVal.Value);
continue;
}
// получить котировку
QuoteData quote;
quotes.TryGetValue(ptrName.ToLower(), out quote);
varVal.Add(ptrName, quote == null ? 0 : (quote.ask + quote.bid) * 0.5);
}
double result;
try
{
resolver.Calculate(varVal, out result);
}
catch
{
result = 0;
}
// не 0 есть "истина"
IsTriggered = result != 0;
}
