Handle payment response when showing the retry payment page. Ensures …

…orders are marked as Failed. PAYTRAIL-29 paytrail#172

src/Gateway.php

@@ -811,6 +811,7 @@ public function check_paytrail_response() {
 		$reference        = filter_input(INPUT_GET, 'checkout-reference');
 		$cancel_order     = filter_input(INPUT_GET, 'cancel_order');
 		$pay_for_order    = filter_input(INPUT_GET, 'pay_for_order');
+		$payment_method = filter_input(INPUT_POST, 'payment_method');
 
 		if (!$status && !$reference && !$refund_callback && !$refund_unique_id) {
 			//no log to reduce number of log entries
@@ -834,7 +835,7 @@ public function check_paytrail_response() {
 		}
 
 		if ($pay_for_order) {
-			//Do not attempt to process further, the customer will be shown a page to choose payment methods
+			//The customer will be shown a page to choose payment methods
 			wc_clear_notices();
 			$message = __(
 				'Payment failed or was cancelled. Please try again',
@@ -843,6 +844,14 @@ public function check_paytrail_response() {
 
 			wc_add_notice( $message, 'notice');
 			$this->log('Paytrail: check_paytrail_response, pay_for_order is true. Payment page will be shown. Reference: ' . $reference, 'debug');
+
+			//Check to see if this is the first load of the page
+			if (!$payment_method) {
+				//Handle the payment response so that orders will change to Failed status
+				$this->log('Paytrail: Start handle_payment_response for reference ' . $reference, 'debug');
+				$this->handle_payment_response( $status );
+			}
+
 			return;
 		}