public bool IsActive()
{
if (WasEverInTrial() == false)
{
return(false);
}
var freeTrialStartTimeAsString = registryUtility.ReadKey(keyName);
if (string.IsNullOrWhiteSpace(freeTrialStartTimeAsString))
{
return(false);
}
var freeTrialStartTime = DateTime.Parse(freeTrialStartTimeAsString);
return(DateTime.Now.Subtract(freeTrialStartTime).Days <= trialDays);
}