/**
* creates and returns an instance of a test sequence
* that corresponds to the current test mode
*
* @param integer $activeId
* @return ilTestSession|ilTestSessionDynamicQuestionSet
*/
public function getSession($activeId = null)
{
global $ilUser;
if (self::$testSession === null) {
switch ($this->testOBJ->getQuestionSetType()) {
case ilObjTest::QUESTION_SET_TYPE_FIXED:
case ilObjTest::QUESTION_SET_TYPE_RANDOM:
global $ilUser;
require_once 'Modules/Test/classes/class.ilTestSession.php';
self::$testSession = new ilTestSession();
break;
case ilObjTest::QUESTION_SET_TYPE_DYNAMIC:
require_once 'Modules/Test/classes/class.ilTestSessionDynamicQuestionSet.php';
self::$testSession = new ilTestSessionDynamicQuestionSet();
break;
}
self::$testSession->setRefId($this->testOBJ->getRefId());
self::$testSession->setTestId($this->testOBJ->getTestId());
if ($activeId) {
self::$testSession->loadFromDb($activeId);
} else {
self::$testSession->loadTestSession($this->testOBJ->getTestId(), $ilUser->getId(), $_SESSION["tst_access_code"][$this->testOBJ->getTestId()]);
}
}
return self::$testSession;
}
function createRandomSolutions($number)
{
global $ilDB;
// 1. get a user
$query = "SELECT usr_id FROM usr_data";
$result = $ilDB->query($query);
while ($data = $ilDB->fetchAssoc($result)) {
$activequery = sprintf("SELECT user_fi FROM tst_active WHERE test_fi = %s AND user_fi = %s", $ilDB->quote($this->getTestId()), $ilDB->quote($data['usr_id']));
$activeresult = $ilDB->query($activequery);
if ($activeresult->numRows() == 0) {
$user_id = $data['usr_id'];
if ($user_id != 13) {
include_once "./Modules/Test/classes/class.ilTestSession.php";
$testSession = FALSE;
$testSession = new ilTestSession();
$testSession->setRefId($this->getRefId());
$testSession->setTestId($this->getTestId());
$testSession->setUserId($user_id);
$testSession->saveToDb();
$passes = $this->getNrOfTries() ? $this->getNrOfTries() : 10;
$nr_of_passes = rand(1, $passes);
$active_id = $testSession->getActiveId();
for ($pass = 0; $pass < $nr_of_passes; $pass++) {
include_once "./Modules/Test/classes/class.ilTestSequence.php";
$testSequence = new ilTestSequence($active_id, $pass, $this->isRandomTest());
if (!$testSequence->hasSequence()) {
$testSequence->createNewSequence($this->getQuestionCount(), $shuffle);
$testSequence->saveToDb();
}
for ($seq = 1; $seq <= count($this->questions); $seq++) {
$question_id = $testSequence->getQuestionForSequence($seq);
$objQuestion = ilObjTest::_instanciateQuestion($question_id);
$objQuestion->createRandomSolution($testSession->getActiveId(), $pass);
}
if ($pass < $nr_of_passes - 1) {
$testSession->increasePass();
$testSession->setLastSequence(0);
$testSession->saveToDb();
} else {
$testSession->setSubmitted(1);
$testSession->setSubmittedTimestamp(date('Y-m-d H:i:s'));
$testSession->saveToDb();
}
}
$number--;
if ($number == 0) {
return;
}
}
}
}
}
