public function performHandlerTasks()
{
if (($author_id = Application::param('author_id')) && ($entry_id = Application::param('entry_id'))) {
$entry = new Entry();
$entry->clauseSafe('author_id', $author_id);
$entry->clauseSafe('entry_id', $entry_id);
$this->entry_to_manage_for = $entry;
} else {
$this->redirectOnAccessDenied();
}
if (!LogbookAccess::currentUserCanManageAccess($this->entryToManageFor())) {
$this->redirectOnAccessDenied();
}
if ($group_id = Application::param('group_id')) {
$this->group_to_manage_for = new Group();
$this->group_to_manage_for->clauseSafe('group_id', $group_id);
}
if (Application::formPosted()) {
if (Application::param('choose_group')) {
$this->chooseGroup();
}
if (Application::param('manage_access')) {
$this->manageAccess();
}
}
}
