adds payment item update feature (#77)

src/main/java/com/iyzipay/model/PaymentItem.java

@@ -1,11 +1,15 @@
 package com.iyzipay.model;
 
+import com.iyzipay.HttpClient;
+import com.iyzipay.IyzipayResource;
+import com.iyzipay.Options;
+import com.iyzipay.request.UpdatePaymentItemRequest;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 
 import java.math.BigDecimal;
 
-public class PaymentItem {
+public class PaymentItem extends IyzipayResource {
 
     private String itemId;
     private String paymentTransactionId;
@@ -27,6 +31,13 @@ public class PaymentItem {
     private BigDecimal merchantPayoutAmount;
     private ConvertedPayout convertedPayout;
 
+    public static PaymentItem update(UpdatePaymentItemRequest request, Options options) {
+        return HttpClient.create().put(options.getBaseUrl() + "/payment/item",
+                getHttpHeaders(request, options),
+                request,
+                PaymentItem.class);
+    }
+
     public String getItemId() {
         return itemId;
     }

src/main/java/com/iyzipay/request/UpdatePaymentItemRequest.java

@@ -0,0 +1,47 @@
+package com.iyzipay.request;
+
+import com.iyzipay.Request;
+import com.iyzipay.ToStringRequestBuilder;
+
+import java.math.BigDecimal;
+
+public class UpdatePaymentItemRequest extends Request {
+
+    private String subMerchantKey;
+    private Long paymentTransactionId;
+    private BigDecimal subMerchantPrice;
+
+    public String getSubMerchantKey() {
+        return subMerchantKey;
+    }
+
+    public void setSubMerchantKey(String subMerchantKey) {
+        this.subMerchantKey = subMerchantKey;
+    }
+
+    public Long getPaymentTransactionId() {
+        return paymentTransactionId;
+    }
+
+    public void setPaymentTransactionId(Long paymentTransactionId) {
+        this.paymentTransactionId = paymentTransactionId;
+    }
+
+    public BigDecimal getSubMerchantPrice() {
+        return subMerchantPrice;
+    }
+
+    public void setSubMerchantPrice(BigDecimal subMerchantPrice) {
+        this.subMerchantPrice = subMerchantPrice;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringRequestBuilder(this)
+                .appendSuper(super.toString())
+                .append("subMerchantKey", subMerchantKey)
+                .append("paymentTransactionId", paymentTransactionId)
+                .append("subMerchantPrice", subMerchantPrice)
+                .toString();
+    }
+}

src/test/java/com/iyzipay/sample/PaymentItemUpdateSample.java

@@ -0,0 +1,36 @@
+package com.iyzipay.sample;
+
+import com.iyzipay.model.Locale;
+import com.iyzipay.model.PaymentItem;
+import com.iyzipay.model.Status;
+import com.iyzipay.request.UpdatePaymentItemRequest;
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class PaymentItemUpdateSample extends Sample {
+
+    @Test
+    public void should_update_payment_item() {
+        UpdatePaymentItemRequest request = new UpdatePaymentItemRequest();
+        request.setLocale(Locale.TR.getValue());
+        request.setConversationId("123456789");
+        request.setPaymentTransactionId(9999999L);
+        request.setSubMerchantPrice(new BigDecimal("sub-merchant-price"));
+        request.setSubMerchantKey("sub-merchant-key");
+
+        PaymentItem paymentItem = PaymentItem.update(request, options);
+
+        System.out.println(paymentItem);
+
+        assertEquals(Status.SUCCESS.getValue(), paymentItem.getStatus());
+        assertEquals(Locale.TR.getValue(), paymentItem.getLocale());
+        assertEquals("123456789", paymentItem.getConversationId());
+        assertNull(paymentItem.getErrorCode());
+        assertNull(paymentItem.getErrorMessage());
+        assertNull(paymentItem.getErrorGroup());
+    }
+}