function showRemoveSurveyRes()
{
/* update last page */
$_SESSION['LASTPAGE'] = 'sysadmin.surveys';
$displaySysAdmin = new DisplaySysAdmin();
$suid = getFromSessionParams('suid');
if ($suid != '') {
//remove
$survey = new Survey($suid);
/* remove sections */
$sections = $survey->getSections();
foreach ($sections as $section) {
$section->remove();
/* remove variables */
$variables = $survey->getVariableDescriptives($section->getSeid());
foreach ($variables as $variable) {
$variable->remove();
}
}
/* remove types */
$types = $survey->getTypes();
foreach ($types as $type) {
$type->remove();
}
/* remove types */
$groups = $survey->getGroups();
foreach ($groups as $group) {
$group->remove();
}
/* remove versions */
$versions = $survey->getVersions();
foreach ($versions as $version) {
$version->remove();
}
/* remove survey */
$survey->remove();
/* update users */
$users = new Users();
$users = $users->getUsers();
foreach ($users as $u) {
$u->removeSurvey($suid);
$u->saveChanges();
}
/* return result */
return $displaySysAdmin->showSurveys($displaySysAdmin->displaySuccess(Language::messageSurveyRemoved($survey->getName())));
} else {
return $displaySysAdmin->showSurveys();
}
}
