public function getUserLessonStatus($lesson, $user, $options)
{
$times = new EfrontTimes();
$usersTimesInLessonContent = array();
if ($lesson instanceof EfrontLesson) {
$lessonId = $lesson->lesson['id'];
} else {
$lessonId = $lesson;
}
//$usersTimesInLessonContent[$user] = $times->getUserSessionTimeInLessonContent($user, $lessonId);
$usersTimesInLessonContent[$user] = EfrontLesson::getUserActiveTimeInLesson($user, $lessonId);
$usersDoneContent = EfrontStats::getStudentsSeenContent($lesson, $user, $options);
//Calculate the done content for users in this lesson
$usersAssignedProjects = array();
if (!isset($options['noprojects']) || !$options['noprojects']) {
$usersAssignedProjects = EfrontStats::getStudentsAssignedProjects($lesson, $user);
}
$usersDoneTests = array();
if (!isset($options['notests']) || !$options['notests']) {
$usersDoneTests = EfrontStats::getStudentsDoneTests($lesson, $user);
}
$roles = EfrontLessonUser::getLessonsRoles();
//transpose projects array, from (login => array(project id => project)) to array(lesson id => array(login => array(project id => project)))
$temp = array();
foreach ($usersAssignedProjects as $login => $userProjects) {
foreach ($userProjects as $projectId => $project) {
$temp[$project['lessons_ID']][$login][$projectId] = $project;
}
}
$usersAssignedProjects = $temp;
//transpose tests array, from (login => array(test id => test)) to array(lesson id => array(login => array(test id => test)))
$temp0 = eF_getTableData("content", "id,ctg_type");
//filter feedbacks
foreach ($temp0 as $value) {
$checkctg[$value['id']] = $value['ctg_type'];
}
$temp = array();
foreach ($usersDoneTests as $login => $userTests) {
foreach ($userTests as $contentID => $test) {
if ($checkctg[$contentID] != 'feedback') {
$temp[$test['lessons_ID']][$login][$contentID] = $test;
}
}
}
$usersDoneTests = $temp;
if (!$user instanceof EfrontUser) {
$user = EfrontUserFactory::factory($user);
$user = $user->user;
}
if (!$lesson instanceof EfrontLesson) {
$lesson = new EfrontLesson($lesson);
}
$result = eF_getTableData("users_to_lessons", "*", "users_LOGIN ='******'login'] . "' and lessons_ID = " . $lesson->lesson['id']);
if (sizeof($result[0]['users_LOGIN']) > 0) {
if ($lesson->lesson['duration'] && $result[0]['from_timestamp']) {
$result[0]['remaining'] = $result[0]['from_timestamp'] + $lesson->lesson['duration'] * 3600 * 24 - time();
} else {
$result[0]['remaining'] = null;
}
//Check whether the lesson registration is expired. If so, set $result[0]['from_timestamp'] to false, so that the effect is to appear disabled
if ($lesson->lesson['duration'] && $result[0]['from_timestamp'] && $lesson->lesson['duration'] * 3600 * 24 + $result[0]['from_timestamp'] < time()) {
$lesson->removeUsers($result[0]['users_LOGIN']);
} else {
$usersLessons[$result[0]['lessons_ID']][$result[0]['users_LOGIN']] = $result[0];
$usersLessonsTypes[$result[0]['lessons_ID']][$result[0]['users_LOGIN']] = $roles[$result[0]['user_type']];
//Handy since we need to know whether a lesson has any students
}
}
//Build a caching set for conditions, so that we avoid looping queries inside $lesson -> getConditions();
$result = eF_getTableData("lesson_conditions", "*", "lessons_ID=" . $lesson->lesson['id']);
$conditions = array();
foreach ($result as $value) {
$conditions[$value['lessons_ID']][] = $value;
}
$lessonStatus = array();
if (in_array('student', $usersLessonsTypes[$lesson->lesson['id']])) {
//Calculate these statistics only if the lesson has students
!isset($conditions[$lesson->lesson['id']]) ? $conditions[$lesson->lesson['id']] = array() : null;
$lessonConditions = $lesson->getConditions($conditions[$lesson->lesson['id']]);
$lessonContent = new EfrontContentTree($lesson);
$doneContent = isset($usersDoneContent[$lesson->lesson['id']]) ? $usersDoneContent[$lesson->lesson['id']] : array();
$doneTests = isset($usersDoneTests[$lesson->lesson['id']]) ? $usersDoneTests[$lesson->lesson['id']] : array();
$assignedProjects = isset($usersAssignedProjects[$lesson->lesson['id']]) ? $usersAssignedProjects[$lesson->lesson['id']] : array();
$visitableContentIds = array();
$visitableExampleIds = array();
$visitableTestIds = array();
$testIds = array();
foreach ($iterator = new EfrontVisitableFilterIterator(new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($lessonContent->tree), RecursiveIteratorIterator::SELF_FIRST))) as $key => $value) {
if ($value['active']) {
switch ($value->offsetGet('ctg_type')) {
case 'theory':
case 'scorm':
case 'feedback':
$visitableContentIds[$key] = $key;
//Get the not-test unit ids for this content
break;
case 'examples':
$visitableExampleIds[$key] = $key;
//Get the not-test unit ids for this content
break;
case 'tests':
case 'scorm_test':
$visitableTestIds[$key] = $key;
//Get the scorm test unit ids for this content
$testIds[$key] = $key;
//Get the test unit ids for this content
break;
}
}
}
$visitableUnits = $visitableContentIds + $visitableExampleIds + $visitableTestIds;
}
foreach ($usersLessons[$lesson->lesson['id']] as $login => $value) {
$lessonStatus = array('login' => $login, 'name' => $user['name'], 'surname' => $user['surname'], 'basic_user_type' => $user['user_type'], 'user_type' => $value['user_type'], 'user_types_ID' => $user['user_types_ID'], 'different_role' => $value['user_type'] != $user['user_type'] && $value['user_type'] != $user['user_types_ID'], 'different_role' => !$users[$login]['user_types_ID'] && $value['user_type'] != $users[$login]['user_type'] || $users[$login]['user_types_ID'] && $value['user_type'] != $users[$login]['user_types_ID'], 'active' => $user['active'], 'lesson_name' => $lesson->lesson['name'], 'from_timestamp' => $value['from_timestamp'], 'remaining' => $value['remaining']);
//Student - specific information
if ($roles[$value['user_type']] == 'student') {
!isset($doneContent[$login]) ? $doneContent[$login] = array() : null;
!isset($assignedProjects[$login]) ? $assignedProjects[$login] = array() : null;
list($conditionsMet, $lessonPassed) = self::checkConditions($doneContent[$login], $lessonConditions, $visitableUnits, $visitableTestIds, $usersTimesInLessonContent[$login]);
//Content progress is theory and examples units seen
$contentProgress = 0;
if (isset($doneContent[$login]) && sizeof($doneContent[$login]) > 0 && (sizeof($visitableContentIds) > 0 || sizeof($visitableExampleIds) > 0)) {
$contentProgress = round(100 * sizeof(array_diff_key($doneContent[$login], $visitableTestIds)) / (sizeof($visitableContentIds) + sizeof($visitableExampleIds)), 2);
}
//Calculate tests average score and progress
$testsProgress = 0;
$numCompletedTests = 0;
$testsAvgScore = array();
if (sizeof($testIds) > 0 && isset($doneTests[$login]) && sizeof($doneTests[$login]) > 0) {
foreach ($doneTests[$login] as $doneTest) {
$testsAvgScore[] = $doneTest['active_score'];
}
$testsAvgScore = array_sum($testsAvgScore) / sizeof($testsAvgScore);
$numCompletedTests = 0;
if (!isset($doneTest[$login['lesson_status']]) || $doneTest[$login['lesson_status']] == 'passed' || $doneTest[$login['lesson_status']] == 'completed') {
$numCompletedTests++;
}
$testsProgress = round(100 * $numCompletedTests / sizeof($visitableTestIds), 2);
} else {
$testsAvgScore = 0;
}
//Calculate projects average score and build done projects list, since we don't have this automatically
$doneProjects = array();
$projectsAvgScore = array();
$projectsProgress = 0;
if (sizeof($assignedProjects[$login]) > 0) {
foreach ($assignedProjects[$login] as $id => $project) {
if ($project['grade'] !== '' || $project['upload_timestamp']) {
$doneProjects[$id] = $project;
$projectsAvgScore[] = $project['grade'];
}
}
sizeof($doneProjects) > 0 ? $projectsAvgScore = array_sum($projectsAvgScore) / sizeof($projectsAvgScore) : ($projectsAvgScore = 0);
$projectsProgress = round(100 * sizeof($doneProjects) / sizeof($assignedProjects[$login]), 2);
} else {
$projectsAvgScore = 0;
}
//Calculate overall progress, the number of done content + done (passed for SCORM) tests divided with the total units number
$overallProgress = 0;
if (sizeof($visitableUnits) > 0) {
$overallProgress = round(100 * sizeof(array_intersect(array_keys($visitableUnits), array_keys($doneContent[$login]))) / sizeof($visitableUnits), 2);
}
$lessonStatus['assigned_projects'] = $assignedProjects[$login];
//the total assigned projects to the user, with information for each one.
$lessonStatus['projects_progress'] = $projectsProgress;
//the projects percentage done
$lessonStatus['projects_avg_score'] = $projectsAvgScore;
//the projects average score
$lessonStatus['tests_progress'] = $testsProgress;
//the tests percentage done
$lessonStatus['tests_avg_score'] = $testsAvgScore;
//the tests average score
$lessonStatus['content_progress'] = $contentProgress;
//the content (theory_examples) percentage done
$lessonStatus['overall_progress'] = $overallProgress;
//the total percentage done, including content and tests
$lessonStatus['lesson_passed'] = $lessonPassed;
$lessonStatus['total_conditions'] = sizeof($lessonConditions);
$lessonStatus['conditions_passed'] = array_sum($conditionsMet);
$lessonStatus['completed'] = $value['completed'];
$lessonStatus['score'] = $value['score'];
$lessonStatus['comments'] = $value['comments'] ? $value['comments'] : 0;
}
}
return $lessonStatus;
}
echo "<status>error</status>";
echo "<message>Invalid login format</message>";
echo "</xml>";
exit;
}
if (isset($_GET['login']) && isset($_GET['lesson'])) {
$lesson = new EfrontLesson($_GET['lesson']);
$lessonUsers = $lesson->getUsers();
if (!in_array($_GET['login'], array_keys($lessonUsers))) {
echo "<xml>";
echo "<status>error</status>";
echo "<message>Assignment does not exist</message>";
echo "</xml>";
exit;
} else {
$lesson->removeUsers($_GET['login']);
echo "<xml>";
echo "<status>ok</status>";
echo "</xml>";
}
} else {
echo "<xml>";
echo "<status>error</status>";
echo "<message>Incomplete arguments</message>";
echo "</xml>";
}
} else {
echo "<xml>";
echo "<status>error</status>";
echo "<message>Invalid token</message>";
echo "</xml>";
