/**
  * requireDefaultRecords
  * Populate the Courier DataObject with information about our courier, so that it installs correctly.
  *
  * @return void
  */
 public function requireDefaultRecords()
 {
     /* Inherit Default Record Creation */
     parent::requireDefaultRecords();
     $courier_name = get_class($this);
     /* If no records exist, create defaults */
     if (!DataObject::get_one($courier_name)) {
         $n = new $courier_name();
         //Disable the courier by default.
         $n->Enabled = 0;
         //System name for this gateway
         $n->SystemName = "Flat Rate Per Item";
         //Friendly name for this courier.
         $n->Title = "Flat Rate Per Item";
         //Default minimum spend
         $n->FlatRate = 0;
         //Write our configuration changes to the courier database tables.
         $n->write();
         unset($n);
         DB::alteration_message('Successfully installed the courier "' . $courier_name . '"', 'created');
     }
 }