/**
* Helper to remove all users from a course
* @param bool $keepClasses if true, all classes will be removed too
* @param array $profilesToDelete array of profile labels
* @param string $registeredBefore date yyyy-mm-dd hh:mm:ss
* @param string $registeredAfter date yyyy-mm-dd hh:mm:ss
* @return bool false if an error occured
* @throws Exception
*/
public function removeAllUsers($keepClasses = true, $profilesToDelete = array(), $registeredBefore = null, $registeredAfter = null)
{
if ($keepClasses && (!is_null($registeredBefore) || !is_null($registeredAfter))) {
throw new Exception(get_lang('Cannot combine enrolment date filters and class deletion, please delete the classes independently'));
}
$courseUserList = new Claro_CourseUserList($this->course->courseId, $this->database);
if (empty($profilesToDelete)) {
$profilesToDelete = array(USER_PROFILE);
}
$courseUserIdList = $courseUserList->getFilteredUserIdList($profilesToDelete, $registeredBefore, $registeredAfter);
$this->removeUserIdListFromCourse($courseUserIdList);
if (!$keepClasses) {
$courseClassList = new Claro_CourseClassList($this->course, $this->database);
foreach ($courseClassList->getClassListIterator() as $class) {
$classUserList = new Claro_ClassUserList($class, $this->database);
$this->removeUserIdListFromCourse($classUserList->getClassUserIdList(), $class);
}
}
return !$this->result->hasError();
}
