/// <summary>
/// Ensures statistics data for specific AB variant.
/// </summary>
/// <param name="variantName">Variant name</param>
private void EnsureVariantStatisticsData(string variantName)
{
if (!VariantsStatisticsData.ContainsKey(variantName))
{
// Select both abvisitfirst and abvisitreturn by default
string visitType = "abvisit%";
// If counting methodology is set to visitor conversion, select abvisitfirst only
string countingMethodology = drpCountingMethodology.Items[mDrpCountingMethodologyIndex].Value;
if (countingMethodology == "absessionconversionfirst")
{
visitType = "abvisitfirst";
}
string conversionsCodename = countingMethodology + ";" + ABTest.ABTestName + ";" + variantName;
string visitsCodename = visitType + ";" + ABTest.ABTestName + ";" + variantName;
// Get conversions count and value
DataRow conversions = GetHits(conversionsCodename, "Sum(HitsCount), Sum(HitsValue)", mDrpCultureValue, GetConversionCondition());
int conversionsCount = ValidationHelper.GetInteger(conversions[0], 0);
double conversionsValue = ValidationHelper.GetDouble(conversions[1], 0);
// Get visits count
int visits = ValidationHelper.GetInteger(GetHits(visitsCodename, "Sum(HitsCount)", mDrpCultureValue)[0], 0);
// Add statistics data
VariantsStatisticsData.Add(variantName, new ABVariantStatisticsData(conversionsCount, conversionsValue, visits));
// Add conversion rate intervals
if ((VariantPerformanceCalculator != null) && (visits > 0) && (conversionsCount <= visits))
{
ABConversionRateIntervals.Add(variantName, VariantPerformanceCalculator.GetConversionRateInterval(conversionsCount, visits));
}
}
}
