BKM Express flow improvements (#135)

samples/complete_bkm_express_payment_by_token.php

@@ -0,0 +1,14 @@
+<?php
+
+require_once('config/sample_config.php');
+
+$request = array(
+    'status' => true,
+    'message' => 'İşlem Başarılı',
+    'ticketId' => '7c0f7c89-e954-46d5-ad37-2a5c0b5f0356',
+    'bkmExpressPaymentToken' => '23f4e147-2c4e-4a2c-8a67-9c783d813b79'
+);
+
+$response = SampleConfig::craftgate()->bkmExpress()->complete($request);
+
+print_r($response);

samples/retrieve_bkm_express_payment_by_token.php

@@ -0,0 +1,7 @@
+<?php
+
+require_once('config/sample_config.php');
+
+$response = SampleConfig::craftgate()->bkmExpress()->retrievePaymentByToken("23f4e147-2c4e-4a2c-8a67-9c783d813b79");
+
+print_r($response);

src/Adapter/BkmExpressPaymentAdapter.php

@@ -21,4 +21,10 @@ public function retrievePayment($ticketId)
         $path = "/payment/v1/bkm-express/payments/" . $ticketId;
         return $this->httpGet($path);
     }
+
+    public function retrievePaymentByToken($token)
+    {
+        $path = "/payment/v1/bkm-express/" . $token;
+        return $this->httpGet($path);
+    }
 }