private function GetBoatAdminLinks(\model\Boat $boat)
 {
     $ret = '';
     $ret .= $this->navView->GetEditBoatLink(self::$boatPosition . '=' . $boat->GetID(), "Edit boat" . ' ');
     $ret .= $this->navView->GetDeleteBoatLink(self::$boatPosition . '=' . $boat->GetID(), "Delete");
     return $ret;
 }
 public function Delete(\model\Boat $boat)
 {
     $stmt = $this->db->prepare("DELETE FROM boat WHERE id = ?");
     $stmt->execute(array($boat->GetID()));
 }