Add transaction verification call to the workflow.

src/CommonParameters.php

@@ -133,4 +133,14 @@ public function getBaseUrlParam(): string
     {
         return $this->getParameter('baseUrlParam');
     }
+
+    public function setTrnType(string $value): void
+    {
+        $this->setParameter('trnType', $value);
+    }
+
+    public function getTrnType(): string
+    {
+        return $this->getParameter('trnType');
+    }
 }

src/Gateway.php

@@ -3,13 +3,20 @@
 namespace Ampeco\OmnipayApcopay;
 
 use Ampeco\OmnipayApcopay\Message\CheckoutPageRequest;
+use Ampeco\OmnipayApcopay\Message\GetTransactionRequest;
 use Ampeco\OmnipayApcopay\Message\Request;
 use Ampeco\OmnipayApcopay\Message\ApcopayNotification;
+use Ampeco\OmnipayPayze\Message\Response;
 use Omnipay\Common\AbstractGateway;
 use Omnipay\Common\Message\RequestInterface;
 
 class Gateway extends AbstractGateway
 {
+    private const STATUS_APPROVED = 'APPROVED';
+    private const STATUS_CAPTURED = 'CAPTURED';
+    private const STATUS_VOIDED = 'VOIDED';
+    private const STATUS_DECLINED = 'DECLINED';
+
     public function getName(): string
     {
         return 'Apcopay';
@@ -50,6 +57,31 @@ public function initial(array $options = array()): RequestInterface
         return $this->createRequest(Request::class, $options);
     }
 
+    public function getTransaction(array $options = array()): RequestInterface
+    {
+        return $this->createRequest(GetTransactionRequest::class, $options);
+    }
+
+    public function getCapturedTransactionStatus(): string
+    {
+        return self::STATUS_CAPTURED;
+    }
+
+    public function getAuthTransactionStatus(): string
+    {
+        return self::STATUS_APPROVED;
+    }
+
+    public function getVoidedTransactionStatus(): string
+    {
+        return self::STATUS_VOIDED;
+    }
+
+    public function getDeclinedTransactionStatus(): string
+    {
+        return self::STATUS_DECLINED;
+    }
+
     public function getAvailableCurrencies(): array
     {
         return [

src/Message/CheckoutPageResponse.php

@@ -2,31 +2,20 @@
 
 namespace Ampeco\OmnipayApcopay\Message;
 
-use Exception;
 use Omnipay\Common\Message\AbstractResponse;
 use Omnipay\Common\Message\RedirectResponseInterface;
 use Omnipay\Common\Message\RequestInterface;
 
 class CheckoutPageResponse extends AbstractResponse implements RedirectResponseInterface
 {
-    private const STATUS_OK = 'OK';
-
     public function __construct(RequestInterface $request, array $data, protected int $code)
     {
-        try {
-            $pattern = '/params=([^&"]*)/';
-            $params = preg_match($pattern, $data['message'] ?? '', $matches) ? urldecode($matches[1] ?? '') : null;
-            $response = $params ? json_decode(json_encode(simplexml_load_string($params)), true) : $data;
-        } catch (Exception $e) {
-            $response = $data;
-        }
-
-        parent::__construct($request, $response);
+        parent::__construct($request, $data);
     }
 
     public function isSuccessful() : bool
     {
-        return $this->code == 302 && (($this->data['Result'] ?? '') === self::STATUS_OK);
+        return $this->code == 302;
     }
 
     public function isRedirect(): bool

src/Message/GetTransactionRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Ampeco\OmnipayApcopay\Message;
+
+use Omnipay\Common\Message\ResponseInterface;
+
+class GetTransactionRequest extends AbstractRequest
+{
+    private const API_GET_TRANSACTION_ENDPOINT = '/MerchantTools/MerchantTools.svc/getTransactionsByORef';
+
+    public function getEndpoint(): string
+    {
+        return self::API_GET_TRANSACTION_ENDPOINT;
+    }
+
+    protected function createResponse(array $data, int $statusCode): ResponseInterface
+    {
+        return new GetTransactionResponse($this, $data, $statusCode, $this->getTrnType());
+    }
+
+    public function getData(): array
+    {
+        return [
+            'MerchID' => $this->getMerchantCode(),
+            'MerchPass' => $this->getMerchantPassword(),
+            'Oref' => $this->getReference(),
+        ];
+    }
+}

src/Message/GetTransactionResponse.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Ampeco\OmnipayApcopay\Message;
+
+use Omnipay\Common\Message\AbstractResponse;
+use Omnipay\Common\Message\RequestInterface;
+
+class GetTransactionResponse extends AbstractResponse
+{
+    private const BANK_ACCEPT_YES = 'YES';
+    private const RESULT_OK = 'OK';
+
+    private ?string $transactionStatus;
+    private ?string $transactionReference;
+
+    public function __construct(RequestInterface $request, array $data, private int $code, private string $trnType)
+    {
+        $this->transactionStatus = null;
+        $this->transactionReference = null;
+
+        parent::__construct($request, $data);
+        $this->setTransactionData();
+    }
+
+    public function isSuccessful() : bool
+    {
+        return $this->code == 200 && isset($this->data['Result']) && $this->data['Result'] == self::RESULT_OK;
+    }
+
+    public function getTransactionStatus(): ?string
+    {
+        return $this->transactionStatus;
+    }
+
+    public function getTransactionReference(): ?string
+    {
+        return $this->transactionReference;
+    }
+
+    private function setTransactionData(): void
+    {
+        if (!isset($this->data['Transactions']) || !is_array($this->data['Transactions'])) {
+            return;
+        }
+
+        foreach ($this->data['Transactions'] as $transaction) {
+            if (isset($transaction['TrnType']) && $transaction['TrnType'] === $this->trnType
+                && isset($transaction['BankAccept']) && $transaction['BankAccept'] === self::BANK_ACCEPT_YES
+            ) {
+                $this->transactionStatus = $transaction['BankResponse'] ?? null;
+                $this->transactionReference = $transaction['PSPID'] ?? null;
+            }
+        }
+    }
+}