function isWorkbookInstalledByUser($currentUser, $currentUserRole, $currentLessonID)
{
$userLessons = $currentUser->getLessons(false, $currentUserRole);
$lessons = array();
unset($userLessons[$currentLessonID]);
// do not use current lesson
$lessons[-1] = array("id" => -1, "name" => _WORKBOOK_SWITCH_TO);
$lessons[-2] = array("id" => -2, "name" => '-------------');
foreach ($userLessons as $key => $value) {
$lesson = new EfrontLesson($key);
$installed = $lesson->getOptions(array('module_workbook'));
if (count($installed) != 0 && $installed['module_workbook'] == 1) {
$lessons[$key] = array("id" => $key, "name" => $lesson->lesson['name']);
}
}
return $lessons;
}
function getProfessorJournalLessons($currentUser)
{
$userLessons = $currentUser->getLessons(false, 'professor');
$lessons = array();
foreach ($userLessons as $key => $value) {
$lesson = new EfrontLesson($key);
$installed = $lesson->getOptions(array('module_journal'));
if (count($installed) != 0 && $installed['module_journal'] == 1) {
array_push($lessons, $key);
}
}
return $lessons;
}