/**
  * @Author: ANH DUNG Jul 09, 2014
  * @Todo: auto gen invoice when create success transaction
  * @Param: $model model transaction
  */
 public static function AutoGenInvoice($model)
 {
     ProTransactionsInvoice::DoGenInvoice($model);
     $model->status = STATUS_GEN_INVOICE;
     $model->update(array('status'));
 }