public void ConfigureTest(string name, TestConfiguration config)
{
_logger.LogDebug(name);
var db = _dbConnector.GetDatabase();
var currentTest = _testContext.GetTest(name, dbContext: db);
if (currentTest == null)
{
_logger.LogDebug("test {0} does not exist, creating".FormatWith(name));
config.Version = 1;
_testContext.SaveTest(config);
}
else
{
_logger.LogDebug("test {0} exists, updating".FormatWith(name));
currentTest.Variants = config.Variants;
currentTest.Version += 1;
_testContext.SaveTest(currentTest);
}
}
public ActionResult GetTest(string test)
{
var testConfig = _testContext.GetTest(test);
return(Ok(testConfig));
}
public string EnrollParticipantInTest(string clientId, string test)
{
var db = _dbConnector.GetDatabase();
var currentTest = _testContext.GetTest(test, dbContext: db);
// check to see if the test is valid
if (currentTest == null)
{
throw new Exception(
"Test {0} has not been configured, cannot enroll".FormatWith(test));
}
var participant = _participantContext.GetParticipant(clientId);
var selectedVariant = _variantPicker.SelectVariant(currentTest);
// check to see if the user has already been setup
if (participant == null)
{
_logger.LogDebug("User was not setup with any tests, creating key");
participant = new Participant {
ClientId = clientId,
EnrolledTests = new List <Test> ()
};
}
var existingTest = participant.EnrolledTests.Where(x => x.Name == test).FirstOrDefault();
var pipelineBuilder = new PipelineBuilder(db);
if (existingTest == null)
{
_logger.LogDebug("User did not have test, setting up");
participant.EnrolledTests = participant.EnrolledTests.Append(new Test {
Name = test,
SelectedVariant = selectedVariant,
VersionAtSelection = currentTest.Version
});
pipelineBuilder.StringIncrement(DatabaseKeys.ExperimentCurrentCountKeyFormat.FormatWith(test));
pipelineBuilder.StringIncrement(DatabaseKeys.ExperimentVariantVersionKeyFormat.FormatWith(test, currentTest.Version, selectedVariant));
}
else
{
if (existingTest.VersionAtSelection == currentTest.Version)
{
_logger.LogDebug("User already had variant");
return(existingTest.SelectedVariant);
}
else
{
_logger.LogDebug("User variant version differs, updating");
existingTest.SelectedVariant = selectedVariant;
existingTest.VersionAtSelection = currentTest.Version;
pipelineBuilder.StringIncrement(DatabaseKeys.ExperimentCurrentCountKeyFormat.FormatWith(test));
// clean existing recorded goals for the new test
var goalsAsSet = _participantContext.GetParticipantsGoals(participant.ClientId, db);
var experimentGoals = goalsAsSet.Keys.Where(x => x.StartsWith(test + ":")).ToList();
pipelineBuilder.StringIncrement(DatabaseKeys.ExperimentVariantVersionKeyFormat.FormatWith(test, currentTest.Version, selectedVariant));
pipelineBuilder.SetRemoveRange(DatabaseKeys.ParticipantGoalsFormat.FormatWith(clientId), experimentGoals);
}
}
var participantBytes = participant.SerializeAsJson();
pipelineBuilder.StringSet(DatabaseKeys.ParticipantKeyFormat.FormatWith(clientId), participantBytes);
pipelineBuilder.Execute();
return(selectedVariant);
}
