//pr($unitsToQuestionsDifficulties);
if (!$skillgap_tests) {
if ($_GET['subunits']) {
if (!$_GET['showall']) {
foreach ($iterator = new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($currentContent->tree), RecursiveIteratorIterator::SELF_FIRST)) as $key => $value) {
$children = $currentContent->getNodeChildren($value['id']);
foreach (new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($children), RecursiveIteratorIterator::SELF_FIRST)) as $child => $foo) {
$subunits[$key][] = $child;
}
}
} else {
$lessons = EFrontLesson::getLessons(false, true);
foreach ($lessons as $lesson_ID => $lesson) {
$lessonsContent = new EfrontContentTree($lesson_ID);
foreach ($iterator = new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($lessonsContent->tree), RecursiveIteratorIterator::SELF_FIRST)) as $key => $value) {
$children = $lessonsContent->getNodeChildren($value['id']);
foreach (new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($children), RecursiveIteratorIterator::SELF_FIRST)) as $child => $foo) {
$subunits[$key][] = $child;
}
}
}
}
$unitsToQuestionsDifficultiesSub = array();
foreach ($unitsToQuestionsDifficulties as $key => $value) {
if (!empty($subunits[$key])) {
$unitsToQuestionsDifficultiesSub[$key] = $unitsToQuestionsDifficulties[$key];
foreach ($subunits[$key] as $value2) {
foreach ($unitsToQuestionsDifficulties[$value2] as $type => $num) {
$unitsToQuestionsDifficultiesSub[$key][$type] += $num;
}
}
public function getQuestionsRandomTest($returnObjects = false)
{
if (empty($this->questions)) {
$criteria = $this->options['random_test'];
foreach ($criteria as $index => $array) {
}
$criteria_type = $index;
if (isset($criteria[$criteria_type])) {
if (!empty($criteria[$criteria_type])) {
$numLessons = eF_getTableDataFlat("content", "distinct(lessons_ID)", "id IN (" . implode(',', array_keys($criteria[$criteria_type])) . ")");
}
}
if ($this->options['random_test_common_pool']) {
$from_pool = $this->options['random_test_common_pool'];
} else {
// in case of linked tests
if (sizeof($numLessons['lessons_ID']) > 1) {
$from_pool = true;
} else {
if (sizeof($numLessons['lessons_ID']) == 1 && $numLessons['lessons_ID'][0] != $this->test['lessons_ID']) {
$from_pool = true;
} else {
$from_pool = false;
}
}
}
if (!$from_pool) {
// if there are performance issues maybe save common_pool flag to test and not retrieve all questions if not necessary
$result = eF_getTableData("questions", "*", "lessons_ID=" . $_SESSION['s_lessons_ID'], "content_ID ASC");
} else {
//@todo common pool
//$currentUser = EfrontUserFactory::factory($_SESSION['s_login']);
//$userLessons = $currentUser -> getLessons(false, $_SESSION['s_type']);
//$result = eF_getTableData("questions,lessons", "questions.*", "lessons_ID in (".implode(",",array_keys($userLessons)).") and lessons_ID !=0 and lessons.id=questions.lessons_ID and lessons.active=1", "content_ID ASC");
$result = eF_getTableData("questions", "*", "", "content_ID ASC");
}
$content_to_lesson = array();
$unitsToQuestionsDifficulties = array();
foreach ($result as $value) {
$questions[$value['id']] = $value;
if ($value['content_ID'] != 0) {
$content_to_lesson[$value['content_ID']] = $value['lessons_ID'];
}
if (!isset($unitsToQuestionsDifficulties[$value['content_ID']])) {
$unitsToQuestionsDifficulties[$value['content_ID']] = array();
}
$unitsToQuestionsDifficulties[$value['content_ID']][$value['difficulty']][] = $value['id'];
if (!isset($unitsToQuestionsTypes[$value['content_ID']])) {
$unitsToQuestionsTypes[$value['content_ID']] = array();
}
$unitsToQuestionsTypes[$value['content_ID']][$value['type']][] = $value['id'];
}
if (!$from_pool) {
$currentContent = new EfrontContentTree($_SESSION['s_lessons_ID']);
}
if ($this->options['random_test_subunits']) {
$unitsToQuestionsDifficultiesSub = $unitsToQuestionsDifficulties;
$unitsToQuestionsTypesSub = $unitsToQuestionsTypes;
foreach ($criteria[$criteria_type] as $key => $value) {
if ($key && !empty($content_to_lesson[$key])) {
// exclude none units questions
if ($from_pool) {
$currentContent = new EfrontContentTree($content_to_lesson[$key]);
}
$children = $currentContent->getNodeChildren($key);
foreach (new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($children), RecursiveIteratorIterator::SELF_FIRST)) as $child => $foo) {
if ($criteria_type == 'difficulty') {
foreach (array_keys(Question::$questionDifficulties) as $difficulty) {
$unitsToQuestionsDifficultiesSub[$key][$difficulty] = array_merge((array) $unitsToQuestionsDifficultiesSub[$key][$difficulty], (array) $unitsToQuestionsDifficulties[$child][$difficulty]);
if (empty($unitsToQuestionsDifficultiesSub[$key][$difficulty])) {
unset($unitsToQuestionsDifficultiesSub[$key][$difficulty]);
}
}
} elseif ($criteria_type == 'type') {
foreach (array_keys(Question::$questionTypes) as $type) {
$unitsToQuestionsTypesSub[$key][$type] = array_merge((array) $unitsToQuestionsTypesSub[$key][$type], (array) $unitsToQuestionsTypes[$child][$type]);
if (empty($unitsToQuestionsTypesSub[$key][$type])) {
unset($unitsToQuestionsTypesSub[$key][$type]);
}
}
}
}
}
}
$unitsToQuestionsTypes = $unitsToQuestionsTypesSub;
$unitsToQuestionsDifficulties = $unitsToQuestionsDifficultiesSub;
}
//pr($unitsToQuestionsDifficulties);
$selectedQuestions = array();
if (isset($criteria['difficulty'])) {
foreach ($criteria['difficulty'] as $key => $arr) {
foreach ($arr as $diff => $value) {
shuffle($unitsToQuestionsDifficulties[$key][$diff]);
$choice = array_slice($unitsToQuestionsDifficulties[$key][$diff], 0, $value);
$selectedQuestions = array_merge((array) $selectedQuestions, (array) $choice);
}
}
} elseif (isset($criteria['type'])) {
foreach ($criteria['type'] as $key => $arr) {
foreach ($arr as $type => $value) {
shuffle($unitsToQuestionsTypes[$key][$type]);
$choice = array_slice($unitsToQuestionsTypes[$key][$type], 0, $value);
$selectedQuestions = array_merge((array) $selectedQuestions, (array) $choice);
}
}
}
$questions = array();
foreach ($selectedQuestions as $value) {
$questions[$value] = $value;
}
$temp = array();
foreach ($questions as $value) {
$ques = QuestionFactory::factory($value);
$returnObjects ? $temp[$value] = $ques : ($temp[$value] = $ques->question);
}
$this->questions = $temp;
}
$questions = array();
foreach ($this->questions as $key => $value) {
if ($value instanceof Question) {
$returnObjects ? $questions[$key] = $value : ($questions[$key] = $value->question);
} else {
if (is_array($value)) {
$returnObjects ? $questions[$key] = QuestionFactory::factory($value) : ($questions[$key] = $value);
} else {
$returnObjects ? $questions[$key] = QuestionFactory::factory($value) : ($questions[$key] = $value);
}
}
}
return $questions;
}
$recentTests = eF_getTableData("completed_tests JOIN tests ON tests_id = tests.id JOIN users ON completed_tests.users_LOGIN = users.login JOIN users_to_skillgap_tests ON completed_tests.users_LOGIN = users_to_skillgap_tests.users_LOGIN AND users_to_skillgap_tests.tests_ID = tests.id AND users_to_skillgap_tests.solved = 1", "completed_tests.id, completed_tests.test, users.name as username, users.surname, completed_tests.tests_ID, tests.name, completed_tests.timestamp, completed_tests.users_LOGIN", "completed_tests.tests_id IN ('". implode("','", $test_ids) ."')", "timestamp DESC");
foreach ($recentTests as $rtid => $rtest) {
$completedRecentTest = unserialize($rtest['test']);
$recentTests[$rtid]['score'] = $completedRecentTest -> completedTest['score'];
}
}
$smarty -> assign("T_RECENT_TESTS" , $recentTests);
*/
} else {
if (!$skillgap_tests) {
//Get the available questions (only questions from the selected unit, if there is one)
try {
isset($_GET['from_unit']) && eF_checkParameter($_GET['from_unit'], 'id') ? $selectedUnit = $_GET['from_unit'] : ($selectedUnit = 0);
$siblings = $currentContent->getNodeChildren($selectedUnit);
$children[] = $siblings['id'];
foreach (new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($siblings), RecursiveIteratorIterator::SELF_FIRST)) as $key => $value) {
$children[] = $key;
}
if (sizeof($children) > 0) {
if ($_GET['showall'] && EfrontUser::isOptionVisible('questions_pool')) {
if (G_VERSIONTYPE != 'community') {
#cpp#ifndef COMMUNITY
if (G_VERSIONTYPE != 'standard') {
#cpp#ifndef STANDARD
$questions = eF_getTableData("questions,lessons", "questions.*", "content_ID in (" . implode(",", $children) . ") and lessons_ID!=0 and lessons.id=questions.lessons_ID and lessons.active=1", "content_ID ASC");
//Retrieve all questions that belong to this unit or its subunits
}
#cpp#endif
}
