public function validate_link()
{
$c_id = Request::get_c_id();
$id = Request::get_id();
$repo = LinkRepository::instance();
$link = $repo->find_one_by_id($c_id, $id);
$success = $link ? $link->validate() : false;
$this->response($success);
}
public function go()
{
$id = Request::get_id();
$c_id = Request::get_c_id();
$repo = LinkRepository::instance();
$link = $repo->find_one_by_id($c_id, $id);
$url = $link->url;
event_link($id);
Header::cache_control('no-store, no-cache, must-revalidate');
Header::pragma('no-cache');
Redirect::go($url);
}
function remove($category)
{
$table = Database::get_course_table(TABLE_LINK_CATEGORY);
$c_id = (int) $category->c_id;
$id = (int) $category->id;
$sql = "DELETE FROM {$table} WHERE c_id={$c_id} AND id={$id}";
$success = (bool) Database::query($sql);
if ($success) {
LinkRepository::instance()->remove_by_category($category);
}
return $success;
}