Cc 3049/add online transfer additional transaction data (#183)

Author: Ryouzanpaku

src/main/java/com/unzer/payment/models/AdditionalTransactionData.java

@@ -15,6 +15,7 @@ public class AdditionalTransactionData {
     private RiskData riskData;
     private PaypalData paypal;
     private WeroTransactionData wero;
+    private OnlineTransferTransactionData onlineTransfer;
 
     /**
      * URL to the merchant's Terms and Conditions Page

src/main/java/com/unzer/payment/models/OnlineTransferTransactionData.java

@@ -0,0 +1,12 @@
+package com.unzer.payment.models;
+
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.fasterxml.jackson.annotation.JsonTypeName;
+import lombok.Data;
+
+@Data
+@JsonTypeName("onlineTransfer")
+@JsonTypeInfo(include = JsonTypeInfo.As.WRAPPER_OBJECT, use = JsonTypeInfo.Id.NAME)
+public class OnlineTransferTransactionData {
+    private String targetDueDate;
+}

src/test/java/com/unzer/payment/business/paymenttypes/OpenBankingTest.java

@@ -18,6 +18,7 @@
 import static com.github.tomakehurst.wiremock.client.WireMock.post;
 import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
 
 @WireMockTest(httpPort = 8080)
@@ -95,5 +96,8 @@ void test_charge_ok() {
 
 
         Charge charge = unzer.charge(BigDecimal.TEN, Currency.getInstance("EUR"), type);
+        assertNotNull(charge.getAdditionalTransactionData());
+        assertNotNull(charge.getAdditionalTransactionData().getOnlineTransfer());
+        assertEquals("2025-12-12 10:40:41", charge.getAdditionalTransactionData().getOnlineTransfer().getTargetDueDate());
     }
 }

src/test/resources/api-response/open-banking/charge.json

@@ -20,6 +20,11 @@
     "traceId": "b2f9c67bebafa3cd49b3d50f9ff00639",
     "typeId": "s-obp-q0nucec6itwe"
   },
+  "additionalTransactionData": {
+    "onlineTransfer": {
+      "targetDueDate": "2025-12-12 10:40:41"
+    }
+  },
   "processing": {
     "uniqueId": "31HA07BC8150FAE7F0B65A2095CE0A83",
     "shortId": "5390.6667.9884",