Upgrade unionpay direct post (#11)

* Added UnionPay support with DirectPost v2

* Apply fixes from StyleCI

* UnionPay Integration

* Apply fixes from StyleCI

* Updated PSR2 fixes

Author: sudiptpa

src/Message/DirectPostAbstractRequest.php

@@ -16,4 +16,46 @@ abstract class DirectPostAbstractRequest extends AbstractRequest
      * @var string
      */
     public $liveEndpoint = 'https://transact.nab.com.au/live/directpostv2/authorise';
+
+    /**
+     * @param array $data
+     */
+    public function generateFingerprint(array $data)
+    {
+        $hash = implode(
+            '|',
+            array(
+                $data['EPS_MERCHANT'],
+                $this->getTransactionPassword(),
+                $data['EPS_TXNTYPE'],
+                $data['EPS_REFERENCEID'],
+                $data['EPS_AMOUNT'],
+                $data['EPS_TIMESTAMP'],
+            )
+        );
+
+        return sha1($hash);
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getBaseData()
+    {
+        $data = array();
+
+        $data['EPS_MERCHANT'] = $this->getMerchantId();
+        $data['EPS_TXNTYPE'] = $this->txnType;
+        $data['EPS_IP'] = $this->getClientIp();
+        $data['EPS_AMOUNT'] = $this->getAmount();
+        $data['EPS_REFERENCEID'] = $this->getTransactionId();
+        $data['EPS_TIMESTAMP'] = gmdate('YmdHis');
+        $data['EPS_FINGERPRINT'] = $this->generateFingerprint($data);
+        $data['EPS_RESULTURL'] = $this->getReturnUrl();
+        $data['EPS_CALLBACKURL'] = $this->getNotifyUrl() ?: $this->getReturnUrl();
+        $data['EPS_REDIRECT'] = 'TRUE';
+        $data['EPS_CURRENCY'] = $this->getCurrency();
+
+        return $data;
+    }
 }

src/Message/DirectPostAuthorizeRequest.php

@@ -19,44 +19,13 @@ public function getData()
     {
         $this->validate('amount', 'returnUrl', 'card');
 
-        $data = array();
-        $data['EPS_MERCHANT'] = $this->getMerchantId();
-        $data['EPS_TXNTYPE'] = $this->txnType;
-        $data['EPS_IP'] = $this->getClientIp();
-        $data['EPS_AMOUNT'] = $this->getAmount();
-        $data['EPS_REFERENCEID'] = $this->getTransactionId();
-        $data['EPS_TIMESTAMP'] = gmdate('YmdHis');
-        $data['EPS_FINGERPRINT'] = $this->generateFingerprint($data);
-        $data['EPS_RESULTURL'] = $this->getReturnUrl();
-        $data['EPS_CALLBACKURL'] = $this->getNotifyUrl() ?: $this->getReturnUrl();
-        $data['EPS_REDIRECT'] = 'TRUE';
-        $data['EPS_CURRENCY'] = $this->getCurrency();
+        $data = $this->getBaseData();
 
         $data = array_replace($data, $this->getCardData());
 
         return $data;
     }
 
-    /**
-     * @param array $data
-     */
-    public function generateFingerprint(array $data)
-    {
-        $hash = implode(
-            '|',
-            array(
-                $data['EPS_MERCHANT'],
-                $this->getTransactionPassword(),
-                $data['EPS_TXNTYPE'],
-                $data['EPS_REFERENCEID'],
-                $data['EPS_AMOUNT'],
-                $data['EPS_TIMESTAMP'],
-            )
-        );
-
-        return sha1($hash);
-    }
-
     /**
      * @param $data
      *

src/Message/UnionPayCompletePurchaseRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Omnipay\NABTransact\Message;
+
+/**
+ * UnionPayCompletePurchaseRequest.
+ */
+class UnionPayCompletePurchaseRequest extends DirectPostCompletePurchaseRequest
+{
+    /**
+     * @param $data
+     *
+     * @return mixed
+     */
+    public function sendData($data)
+    {
+        $this->response = new UnionPayCompletePurchaseResponse($this, $data);
+
+        return $this->response;
+    }
+}

src/Message/UnionPayCompletePurchaseResponse.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Omnipay\NABTransact\Message;
+
+use Omnipay\Common\Message\RequestInterface;
+
+/**
+ * UnionPayCompletePurchaseResponse.
+ */
+class UnionPayCompletePurchaseResponse extends DirectPostCompletePurchaseResponse
+{
+    /**
+     * @param RequestInterface $request
+     * @param $data
+     */
+    public function __construct(RequestInterface $request, $data)
+    {
+        if (!is_array($data)) {
+            parse_str($data, $data);
+        }
+
+        parent::__construct($request, $data);
+    }
+}

src/Message/UnionPayPurchaseRequest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Omnipay\NABTransact\Message;
+
+/**
+ * UnionPayPurchaseRequest.
+ */
+class UnionPayPurchaseRequest extends DirectPostAbstractRequest
+{
+    /**
+     * @var string
+     */
+    public $txnType = '0';
+
+    /**
+     * @return mixed
+     */
+    public function getData()
+    {
+        $this->validate('amount', 'returnUrl', 'transactionId');
+
+        $data = $this->getBaseData();
+
+        $data['EPS_PAYMENTCHOICE'] = 'UPOP';
+
+        return $data;
+    }
+
+    /**
+     * @param $data
+     *
+     * @return mixed
+     */
+    public function sendData($data)
+    {
+        $redirectUrl = $this->getEndpoint().'?'.http_build_query($data);
+
+        return $this->response = new UnionPayPurchaseResponse($this, $data, $redirectUrl);
+    }
+}

src/Message/UnionPayPurchaseResponse.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Omnipay\NABTransact\Message;
+
+use Omnipay\Common\Message\AbstractResponse;
+use Omnipay\Common\Message\RedirectResponseInterface;
+use Omnipay\Common\Message\RequestInterface;
+
+/**
+ * UnionPayPurchaseResponse.
+ */
+class UnionPayPurchaseResponse extends AbstractResponse implements RedirectResponseInterface
+{
+    /**
+     * @var mixed
+     */
+    protected $redirectUrl;
+
+    /**
+     * @param RequestInterface $request
+     * @param $data
+     * @param $redirectUrl
+     */
+    public function __construct(RequestInterface $request, $data, $redirectUrl)
+    {
+        $this->request = $request;
+        $this->data = $data;
+        $this->redirectUrl = $redirectUrl;
+    }
+
+    public function isSuccessful()
+    {
+        return false;
+    }
+
+    public function isRedirect()
+    {
+        return true;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getRedirectUrl()
+    {
+        return $this->redirectUrl;
+    }
+
+    public function getRedirectMethod()
+    {
+        return 'GET';
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getRedirectData()
+    {
+        return $this->getData();
+    }
+}

src/UnionPayGateway.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Omnipay\NABTransact;
+
+/**
+ * NABTransact UnionPay Gateway.
+ */
+class UnionPayGateway extends DirectPostGateway
+{
+    public function getName()
+    {
+        return 'NABTransact UnionPay';
+    }
+
+    /**
+     * @param array $parameters
+     *
+     * @return mixed
+     */
+    public function purchase(array $parameters = array())
+    {
+        return $this->createRequest('\Omnipay\NABTransact\Message\UnionPayPurchaseRequest', $parameters);
+    }
+
+    /**
+     * @param array $parameters
+     *
+     * @return mixed
+     */
+    public function completePurchase(array $parameters = array())
+    {
+        return $this->createRequest('\Omnipay\NABTransact\Message\UnionPayCompletePurchaseRequest', $parameters);
+    }
+}