$bus_to_read_update->route_id = $_POST['route_id'];
     $bus_to_read_update->reg_number = $_POST['reg_number'];
     $bus_to_read_update->name = $_POST['name'];
     if ($bus_to_read_update->update()) {
         $session->message("Success! The Bus details were updated. ");
         redirect_to('admin-list-buses.php');
     } else {
         $session->message("Error! The Bus details could not be updated. ");
     }
 }
 if (isset($_POST['upload'])) {
     $photo_to_upload = new Photograph();
     $photo_to_upload->related_object_type = '3';
     $photo_to_upload->related_object_id = $_GET['busid'];
     $photo_to_upload->photo_type = $_POST['photo_type'];
     $photo_to_upload->attach_file_bus($_FILES['file_upload'], $photo_to_upload->bus_id, $photo_to_upload->photo_type);
     if ($photo_to_upload->save()) {
         $session->message("Success! The photo was uploaded successfully. ");
         redirect_to('admin-list-buses.php');
     } else {
         $message = join("<br />", $photo_to_upload->errors);
     }
 }
 if (isset($_POST['assign'])) {
     $buses_bus_personnel_to_read_update = new BusBusPersonnel();
     $buses_bus_personnel_to_read_update->bus_id = $_GET['busid'];
     $buses_bus_personnel_to_read_update->bus_personnel_id = $_POST['bus_personnel_id'];
     if ($buses_bus_personnel_to_read_update->create()) {
         $session->message("Success! The Bus Personnel was assigned to the given Bus. ");
         redirect_to('admin-list-buses.php');
     } else {