Support multiple response code error messages

Author: amacneil

src/Omnipay/Eway/Message/RapidResponse.php

@@ -184,13 +184,18 @@ public function getTransactionReference()
 
     public function getMessage()
     {
-        $code = $this->getCode();
+        $codes = explode(',', $this->getCode());
+        $messages = array();
 
-        if (isset(static::$MESSAGES[$code])) {
-            return static::$MESSAGES[$code];
-        } else {
-            return $code;
+        foreach ($codes as $code) {
+            if (isset(static::$MESSAGES[$code])) {
+                $messages[] = static::$MESSAGES[$code];
+            } else {
+                $messages[] = $code;
+            }
         }
+
+        return implode(', ', $messages) ?: null;
     }
 
     public function getCode()

tests/Omnipay/Eway/Message/RapidResponseTest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Omnipay\Eway\Message;
+
+use Omnipay\Tests\TestCase;
+
+class RapidResponseTest extends TestCase
+{
+    public function testGetMessage()
+    {
+        $data = array('ResponseMessage' => 'A2000');
+        $response = new RapidResponse($this->getMockRequest(), $data);
+
+        $this->assertSame('Transaction Approved', $response->getMessage());
+    }
+
+    public function testGetMessageMultiple()
+    {
+        $data = array('ResponseMessage' => 'V6101,V6102');
+        $response = new RapidResponse($this->getMockRequest(), $data);
+
+        $this->assertSame('Invalid EWAY_CARDEXPIRYMONTH, Invalid EWAY_CARDEXPIRYYEAR', $response->getMessage());
+    }
+}