/// <summary>
/// Mark this user as having converted for the specified tests.
/// </summary>
public void ScoreConversion(string testName)
{
ABUser user = IdentifyUser();
if (!user.Tests.Contains(testName) || user.Conversions.Contains(testName))
{
// not part of the test or already scored.
return;
}
SerializableDictionary <string, Experiment> tests = GetTests();
if (tests.ContainsKey(testName))
{
Experiment t = tests[testName];
ABAlternative choice = t.GetUserAlternative(user.ID);
choice.ScoreConversion();
user.Conversions.Add(testName);
user.SaveToCookie();
SaveTests(tests);
}
}
public static ABUser LoadFromCookie()
{
ABUser user = new ABUser();
HttpCookie inCookie = HttpContext.Current.Request.Cookies["ab"];
if (inCookie != null)
{
try
{
user.LoadFromINI(inCookie.Value);
}
catch
{
// user messed with his cookie. No worries for us.
}
user.SaveToCookie();
}
return user;
}
public static ABUser LoadFromCookie()
{
ABUser user = new ABUser();
HttpCookie inCookie = HttpContext.Current.Request.Cookies["ab"];
if (inCookie != null)
{
try
{
user.LoadFromINI(inCookie.Value);
}
catch
{
// user messed with his cookie. No worries for us.
}
user.SaveToCookie();
}
return(user);
}
/// <summary>
/// For the specified test, pick an alternative to always show this user, and return that alternative.
/// </summary>
/// <param name="test"></param>
/// <returns></returns>
public ABAlternative GetUserAlternative(Experiment test)
{
//complete an experiment as soon as we reach our required sample size...
if (test.IsComplete)
{
return(test.GetBestAlternative());
}
ABUser user = IdentifyUser();
ABAlternative choice = test.GetUserAlternative(user.ID);
if (!user.Tests.Contains(test.TestName) && !IsBotRequest()) //don't score the participation more than once for an identified user (don't score for bots either)
{
choice.ScoreParticipation();
user.Tests.Add(test.TestName);
user.SaveToCookie();
//persist the new participant count to the file store...
ScoreParticipation(test.TestName, choice);
}
return(choice);
}
/// <summary>
/// If we've seen this user before, pull his info from the cookie. If not, start tracking him.
/// </summary>
/// <returns></returns>
private static ABUser IdentifyUser()
{
ABUser user = ABUser.LoadFromCookie();
return(user);
}