public function delete(Purchase $purchaseModel, History $historyModel, $purchase_id, $product_id)
 {
     $purchaseModel->deletePurchase($purchase_id, $product_id);
     $historyModel->saveHistory('del_purchase', $product_id);
     Session::flash('message', GetMessages("SUCCESS_DELETE_PURCHASE"));
     return redirect($_SERVER['HTTP_REFERER']);
 }