DVC-4350 add local track to example app

example/src/main/java/com/devcycle/example/java/sdk/app/controller/HelloWorld.java

@@ -4,6 +4,7 @@
 import com.devcycle.sdk.server.local.api.DVCLocalClient;
 import com.devcycle.sdk.server.common.model.User;
 import com.devcycle.sdk.server.common.model.Variable;
+import com.devcycle.sdk.server.common.model.Event;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Controller;
@@ -57,6 +58,13 @@ public String homePageActivatedFlagLocal(Model model) {
         return "fragments/flagData :: value ";
     }
 
+    @GetMapping("/local/track")
+    public String trackLocal(Model model) {
+        dvcLocal.track(getUser(true), Event.builder().type("java-local-custom").build());
+        model.addAttribute("trackSuccessMessage", "Custom event tracked!");
+        return "fragments/trackData :: value ";
+    }
+
     private User getUser(boolean isLocal) {
         return isLocal ?
                 User.builder()

example/src/main/resources/templates/fragments/trackData.html

@@ -0,0 +1,7 @@
+<div th:fragment="value">
+    <H2 class="display-5 fw-bold">DevCycle Track</H2>
+    <div>
+        <label>Local Track</label>
+        <span th:text="${trackSuccessMessage}"></span>
+    </div>
+</div>

example/src/main/resources/templates/home.html

@@ -25,6 +25,9 @@ <h1 class="display-5 fw-bold">Example app for the DevCycle Java SDK</h1>
                 <button type="button" class="btn btn-primary btn-lg px-4 gap-3" th:onclick="getVariableLocal()">
                     Local - Get Variable
                 </button>
+                <button type="button" class="btn btn-primary btn-lg px-4 gap-3" th:onclick="trackLocal()">
+                    Local - Track
+                </button>
             </div>
         </div>
         <div class="p-5 mb-4 bg-light rounded-3">
@@ -55,6 +58,16 @@ <h1 class="display-5 fw-bold">Example app for the DevCycle Java SDK</h1>
             console.warn('Something went wrong.', err);
         });
     }
+
+    const trackLocal = () => {
+        fetch('local/track').then(function (response) {
+            return response.text();
+        }).then(function (html) {
+            document.getElementById("variablePlaceholder").innerHTML = html;
+        }).catch(function (err) {
+            console.warn('Something went wrong.', err);
+        });
+    }
 </script>
 </body>
 </html>