Merge pull request #7 from rushi/XOL-3125

Support `reverse_transfer` flag for Stripe Connect refunds

src/Message/RefundRequest.php

@@ -78,6 +78,31 @@ public function setRefundApplicationFee($value)
         return $this->setParameter('refundApplicationFee', $value);
     }
 
+    /**
+     * @return bool Whether the charge transfer should be reversed
+     */
+    public function getReverseTransfer()
+    {
+        return $this->getParameter('reverseTransfer');
+    }
+
+    /**
+     * Whether to reverse the transfer associated with the charge.
+     *
+     * When refunding a charge that has a destination value, by default the destination account will keep the funds that
+     * were transferred to it, leaving the platform account to cover the negative balance from the refund. To pull back
+     * the funds from the connected account to cover the refund, set the reverse_transfer parameter to true when
+     * creating the refund
+     *
+     * @param bool $value Whether the transfer should be reversed or not
+     *
+     * @return \Omnipay\Common\Message\AbstractRequest
+     */
+    public function setReverseTransfer($value)
+    {
+        return $this->setParameter('reverseTransfer', $value);
+    }
+
     public function getData()
     {
         $this->validate('transactionReference', 'amount');
@@ -89,6 +114,10 @@ public function getData()
             $data['refund_application_fee'] = 'true';
         }
 
+        if ($this->getReverseTransfer()) {
+            $data['reverse_transfer'] = 'true';
+        }
+
         return $data;
     }
 

tests/Message/RefundRequestTest.php

@@ -6,6 +6,9 @@
 
 class RefundRequestTest extends TestCase
 {
+    /** @var RefundRequest $request */
+    private $request;
+
     public function setUp()
     {
         $this->request = new RefundRequest($this->getHttpClient(), $this->getHttpRequest());
@@ -30,6 +33,16 @@ public function testRefundApplicationFee()
         $this->assertEquals("true", $data['refund_application_fee']);
     }
 
+    public function testShouldSetReverseTransferFlag()
+    {
+        $this->request->setTransactionReference('ch_12RgN9L7XhO9mI')->setAmount('10.00');
+        $this->request->setReverseTransfer(true);
+
+        $data = $this->request->getData();
+
+        $this->assertEquals("true", $data['reverse_transfer']);
+    }
+
     public function testSendSuccess()
     {
         $this->setMockHttpResponse('RefundSuccess.txt');