public static ITickerPeriodParameter Create(string ticker, string periodParam, FiscalQuarterPeriod latestFiscalQuarterPeriod)
{
if (periodParam.Equals("latest"))
{
return(TickerDayParameter.Create(ticker, LatestDayPeriod.GetInstance()));
}
else if (PeriodRegularExpressionConfig.DayRegex.IsMatch(periodParam))
{
return(TickerDayParameter.Create(ticker, DayPeriod.Parse(periodParam)));
}
else if (PeriodRegularExpressionConfig.FiscalQuarterRegex.IsMatch(periodParam))
{
var period = FiscalQuarterPeriod.Parse(periodParam);
return(TickerQuarterParameter.Create(ticker, period));
}
else if (PeriodRegularExpressionConfig.RelativeFiscalQuarterRegex.IsMatch(periodParam))
{
var period = RelativeFiscalQuarterPeriod.Parse(periodParam);
return(TickerQuarterParameter.Create(ticker, period));
}
else if (PeriodRegularExpressionConfig.BCodeUdfFiscalQuarterInputRegex.IsMatch(periodParam))
{
var match = PeriodRegularExpressionConfig.BCodeUdfFiscalQuarterInputRegex
.Match(periodParam);
var fy = match.Groups["fiscalYear"].Value.Trim();
var fq = match.Groups["fiscalQuarter"].Value.Trim();
if (fy.Contains("LY"))
{
var prevYears = RelativeFiscalQuarterPeriod.ParseRelativeValue("years", match);
if (prevYears > latestFiscalQuarterPeriod.Year)
{
throw new ValidationError($"{prevYears} is bigger than {latestFiscalQuarterPeriod.Year}");
}
var fiscalQuarter = fq.Replace("Q", "");
var period = FiscalQuarterPeriod.Create(latestFiscalQuarterPeriod.Year - prevYears, uint.Parse(fiscalQuarter));
return(TickerQuarterParameter.Create(ticker, fy, fiscalQuarter, period));
}
else if (fq.Contains("LQ"))
{
var prevQuarters = RelativeFiscalQuarterPeriod.ParseRelativeValue("quarters", match);
var period = FiscalQuarterPeriod.Create(uint.Parse(fy), latestFiscalQuarterPeriod.Quarter).Before(0, prevQuarters);
return(TickerQuarterParameter.Create(ticker, fy, fq, period));
}
else
{
throw new ValidationError($"{periodParam} is not supported input format");
}
}
else
{
throw new ValidationError($"{periodParam} is not supported input format");
}
}
public void ParseTest()
{
var period0 = RelativeFiscalQuarterPeriod.Parse("LYLQ");
Assert.AreEqual(RelativeFiscalQuarterPeriod.Create(0, 0), period0);
var period1 = RelativeFiscalQuarterPeriod.Parse("LY-1LQ");
Assert.AreEqual(RelativeFiscalQuarterPeriod.Create(1, 0), period1);
var period2 = RelativeFiscalQuarterPeriod.Parse("LYLQ-20");
Assert.AreEqual(RelativeFiscalQuarterPeriod.Create(0, 20), period2);
var period3 = RelativeFiscalQuarterPeriod.Parse("LY-10LQ-2");
Assert.AreEqual(RelativeFiscalQuarterPeriod.Create(10, 2), period3);
Assert.ThrowsException <ValidationError>(() => RelativeFiscalQuarterPeriod.Parse("dummy"));
Assert.ThrowsException <ValidationError>(() => RelativeFiscalQuarterPeriod.Parse("LY-0LQ"));
Assert.ThrowsException <ValidationError>(() => RelativeFiscalQuarterPeriod.Parse("LYLQ-0"));
}