feat: add partner settings methods

src/main/java/com/trolley/Gateway.java

@@ -15,6 +15,7 @@ public class Gateway
     public InvoicePaymentGateway invoicePayment;
     public VerificationGateway verification;
     public VerificationGateway trust;
+    public PartnerGateway partner;
 
     public Gateway(final Configuration config) {
         this.config = config;
@@ -30,5 +31,6 @@ public Gateway(final Configuration config) {
         this.invoicePayment = new InvoicePaymentGateway(config);
         this.verification = new VerificationGateway(config);
         this.trust = this.verification;
+        this.partner = new PartnerGateway(config);
     }
 }

src/main/java/com/trolley/PartnerGateway.java

@@ -0,0 +1,97 @@
+package com.trolley;
+
+import java.net.URLEncoder;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class PartnerGateway {
+    private final Client client;
+    private final ObjectMapper objectMapper;
+
+    public PartnerGateway(final Configuration config) {
+        this.client = new Client(config);
+        this.objectMapper = new ObjectMapper();
+    }
+
+    public String getFees() throws Exception {
+        return this.client.get("/v1/fees");
+    }
+
+    public String getFees(final String currency) throws Exception {
+        if (currency == null || currency.isEmpty()) {
+            return getFees();
+        }
+        return this.client.get("/v1/fees?currency=" + pathSegment(currency));
+    }
+
+    public String updateFees(final Object body) throws Exception {
+        return this.client.patch("/v1/fees", json(body));
+    }
+
+    public String listPayoutMethods() throws Exception {
+        return this.client.get("/v1/payout-methods");
+    }
+
+    public String getPayoutMethod(final String payoutMethod) throws Exception {
+        return this.client.get("/v1/payout-methods/" + pathSegment(payoutMethod));
+    }
+
+    public String updatePayoutMethod(final String payoutMethod, final Object body) throws Exception {
+        return this.client.patch("/v1/payout-methods/" + pathSegment(payoutMethod), json(body));
+    }
+
+    public String getProcessingSettings() throws Exception {
+        return this.client.get("/v1/processing-settings");
+    }
+
+    public String updateProcessingSettings(final Object body) throws Exception {
+        return this.client.patch("/v1/processing-settings", json(body));
+    }
+
+    public String getWhiteLabelDnsRecords() throws Exception {
+        return this.client.get("/v1/white-label/dns-records");
+    }
+
+    public String verifyWhiteLabelDnsRecords() throws Exception {
+        return this.client.post("/v1/white-label/dns-records/verify", "{}");
+    }
+
+    public String deleteWhiteLabelEmail() throws Exception {
+        return this.client.delete("/v1/white-label/email");
+    }
+
+    public String updateWhiteLabelIcon(final Object body) throws Exception {
+        return this.client.patch("/v1/white-label/icon", json(body));
+    }
+
+    public String getWhiteLabelSettings() throws Exception {
+        return this.client.get("/v1/white-label");
+    }
+
+    public String updateWhiteLabelSettings(final Object body) throws Exception {
+        return this.client.patch("/v1/white-label", json(body));
+    }
+
+    public String getWidgetConfiguration() throws Exception {
+        return this.client.get("/v1/iframe/config");
+    }
+
+    public String updateWidgetConfiguration() throws Exception {
+        return updateWidgetConfiguration(new Object());
+    }
+
+    public String updateWidgetConfiguration(final Object body) throws Exception {
+        return this.client.post("/v1/iframe/config", json(body));
+    }
+
+    private String json(final Object body) throws Exception {
+        if (body instanceof String) {
+            return (String) body;
+        }
+        return this.objectMapper.writeValueAsString(body);
+    }
+
+    private String pathSegment(final String value) throws Exception {
+        return URLEncoder.encode(value, "UTF-8").replace("+", "%20");
+    }
+}