OpenCart 🇺🇦

$this->language->load('sale/order');

$json = array();

if (!$this->user->hasPermission('modify', 'sale/order')) {
	$json['error'] = $this->language->get('error_permission');
} elseif (isset($this->request->get['order_id'])) {
	$this->load->model('sale/order');

	$order_info = $this->model_sale_order->getOrder($this->request->get['order_id']);

	if ($order_info && $order_info['affiliate_id']) {
		$this->load->model('sale/affiliate');

		$this->model_sale_affiliate->deleteTransaction($this->request->get['order_id']);

		$json['success'] = $this->language->get('text_commission_removed');
	} else {
		$json['error'] = $this->language->get('error_action');
	}
}

$this->response->setOutput(json_encode($json));