/**
  * Logging method
  * @param  string $message
  */
 public static function log($message)
 {
     if (self::$log_enabled) {
         if (empty(self::$log)) {
             self::$log = new WC_Logger();
         }
         self::$log->add('komoju', $message);
     }
 }
 /**
  * Get Komoju Args for passing to Komoju hosted page
  *
  * @param WC_Order $order
  * @return array
  */
 protected function get_komoju_args($order, $method)
 {
     WC_Gateway_Komoju::log('Generating payment form for order ' . $order->get_order_number() . '. Notify URL: ' . $this->notify_url);
     $params = array("transaction[amount]" => $order->get_subtotal() + $order->get_total_shipping(), "transaction[currency]" => get_woocommerce_currency(), "transaction[customer][email]" => $order->billing_email, "transaction[customer][phone]" => $order->billing_phone, "transaction[customer][given_name]" => $order->billing_first_name, "transaction[customer][family_name]" => $order->billing_last_name, "transaction[external_order_num]" => $this->gateway->get_option('invoice_prefix') . $order->get_order_number() . '-' . $this->request_id, "transaction[return_url]" => $this->gateway->get_return_url($order), "transaction[cancel_url]" => $order->get_cancel_order_url_raw(), "transaction[callback_url]" => $this->notify_url, "transaction[tax]" => strlen($order->get_total_tax()) == 0 ? 0 : $order->get_total_tax(), "timestamp" => time());
     WC_Gateway_Komoju::log('Raw parametres: ' . print_r($params, true));
     $qs_params = array();
     foreach ($params as $key => $val) {
         $qs_params[] = urlencode($key) . '=' . urlencode($val);
     }
     sort($qs_params);
     $query_string = implode('&', $qs_params);
     $url = $this->Komoju_endpoint . $method . '/new' . '?' . $query_string;
     $hmac = hash_hmac('sha256', $url, $this->gateway->secretKey);
     $query_string .= '&hmac=' . $hmac;
     return $query_string;
 }
 /**
  * Get the order from the Komoju 'transaction' variable
  *
  * @param  array $transaction Data passed back by Komoju
  * @param  string $invoice_prefix set as an option in Komoju plugin dashboard
  * @return bool|WC_Order object
  */
 protected function get_komoju_order($transaction, $invoice_prefix)
 {
     // We have the data in the correct format, so get the order
     if (is_string($transaction['external_order_num'])) {
         $order_id = $transaction['external_order_num'];
         // Nothing was found
     } else {
         WC_Gateway_Komoju::log('Error: Order ID (external_order_num) was not found in "transaction".');
         return false;
     }
     if (!($order = wc_get_order(substr($order_id, strlen($invoice_prefix), -7)))) {
         WC_Gateway_Komoju::log('Error: Cannot locate order in WC with order_id: .' . $order_id . ' minus prefix: ' . $invoice_prefix);
         return false;
     }
     return $order;
 }
 /**
  * Handle a refunded order
  * @param  WC_Order $order
  */
 protected function payment_status_refunded($order, $posted)
 {
     // Only handle full refunds, not partial
     WC_Gateway_Komoju::log('Only handling full refund. Controlling that order total equals amount refunded. Does ' . $order->get_total() . ' equals ' . $posted['grand_total'] . ' ?');
     if ($order->get_total() == $posted['grand_total']) {
         // Mark order as refunded
         $order->update_status('refunded', sprintf(__('Payment %s via IPN.', 'woocommerce'), strtolower($posted['status'])));
         /*$this->send_ipn_email_notification(
         			sprintf( __( 'Payment for order #%s refunded/reversed', 'woocommerce' ), $order->get_order_number() ),
         			sprintf( __( 'Order #%s has been marked as refunded - Komoju reason code: %s', 'woocommerce' ), $order->get_order_number(), $posted['reason_code'] )
         		);*/
     }
 }