public function index_action()
{
if (Request::isPost() && Request::get("edit") && $GLOBALS['perm']->have_studip_perm("tutor", $_SESSION['SessionSeminar'])) {
$topic = new CourseTopic(Request::option("issue_id"));
if ($topic['seminar_id'] && $topic['seminar_id'] !== $_SESSION['SessionSeminar']) {
throw new AccessDeniedException();
}
if (Request::submitted("delete_topic")) {
$topic->delete();
PageLayout::postMessage(MessageBox::success(_("Thema gelöscht.")));
} else {
$topic['title'] = Request::get("title");
$topic['description'] = Studip\Markup::purifyHtml(Request::get("description"));
if ($topic->isNew()) {
$topic['seminar_id'] = $_SESSION['SessionSeminar'];
}
$topic->store();
//change dates for this topic
$former_date_ids = $topic->dates->pluck("termin_id");
$new_date_ids = array_keys(Request::getArray("date"));
foreach (array_diff($former_date_ids, $new_date_ids) as $delete_termin_id) {
$topic->dates->unsetByPk($delete_termin_id);
}
foreach (array_diff($new_date_ids, $former_date_ids) as $add_termin_id) {
$date = CourseDate::find($add_termin_id);
if ($date) {
$topic->dates[] = $date;
}
}
$topic->store();
if (Request::get("folder") && !$topic->folder) {
$topic->connectWithDocumentFolder();
}
// create a connection to the module forum (can be anything)
// will update title and description automagically
if (Request::get("forumthread")) {
$topic->connectWithForumThread();
}
if (Request::option("issue_id") === "new") {
Request::set("open", $topic->getId());
}
PageLayout::postMessage(MessageBox::success(_("Thema gespeichert.")));
$this->redirect("course/topics/index");
}
}
if (Request::isPost() && Request::option("move_down")) {
$topics = CourseTopic::findBySeminar_id($_SESSION['SessionSeminar']);
$mainkey = null;
foreach ($topics as $key => $topic) {
if ($topic->getId() === Request::option("move_down")) {
$mainkey = $key;
}
$topic['priority'] = $key + 1;
}
if ($mainkey !== null && $mainkey < count($topics)) {
$topics[$mainkey]->priority++;
$topics[$mainkey + 1]->priority--;
}
foreach ($topics as $key => $topic) {
$topic->store();
}
}
if (Request::isPost() && Request::option("move_up")) {
$topics = CourseTopic::findBySeminar_id($_SESSION['SessionSeminar']);
foreach ($topics as $key => $topic) {
if ($topic->getId() === Request::option("move_up") && $key > 0) {
$topic['priority'] = $key;
$topics[$key - 1]->priority = $key + 1;
$topics[$key - 1]->store();
} else {
$topic['priority'] = $key + 1;
}
$topic->store();
}
}
Navigation::activateItem('/course/schedule/topics');
$this->topics = CourseTopic::findBySeminar_id($_SESSION['SessionSeminar']);
$this->cancelled_dates_locked = LockRules::Check($_SESSION['SessionSeminar'], 'cancelled_dates');
}
