adding API for reply webhook

Author: hardikSinghBehl

saas-modules/twilio-whatsapp/src/main/java/com/baeldung/twilio/whatsapp/ReplyController.java

@@ -0,0 +1,23 @@
+package com.baeldung.twilio.whatsapp;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequiredArgsConstructor
+public class ReplyController {
+
+    private final WhatsappMessageDispatcher whatsappMessageDispatcher;
+
+    @PostMapping(value = "/api/v1/whatsapp-message-reply")
+    public ResponseEntity<Void> reply(@RequestParam("ProfileName") String username,
+            @RequestParam("WaId") String phoneNumber) {
+        whatsappMessageDispatcher.dispatchReplyMessage(phoneNumber, username);
+        return ResponseEntity.ok().build();
+    }
+
+}

…iclePublishedNotificationDispatcher.java …/whatsapp/WhatsappMessageDispatcher.javasaas-modules/twilio-whatsapp/src/main/java/com/baeldung/twilio/whatsapp/ArticlePublishedNotificationDispatcher.java renamed to saas-modules/twilio-whatsapp/src/main/java/com/baeldung/twilio/whatsapp/WhatsappMessageDispatcher.java saas-modules/twilio-whatsapp/src/main/java/com/baeldung/twilio/whatsapp/ArticlePublishedNotificationDispatcher.java renamed to saas-modules/twilio-whatsapp/src/main/java/com/baeldung/twilio/whatsapp/WhatsappMessageDispatcher.java

@@ -12,22 +12,29 @@
 @Service
 @RequiredArgsConstructor
 @EnableConfigurationProperties(TwilioConfigurationProperties.class)
-public class ArticlePublishedNotificationDispatcher {
+public class WhatsappMessageDispatcher {
 
     private final TwilioConfigurationProperties twilioConfigurationProperties;
 
-    public void dispatch(String phoneNumber, String articleUrl) {
+    public void dispatchNewArticleNotification(String phoneNumber, String articleUrl) {
         String messagingSid = twilioConfigurationProperties.getMessagingSid();
         String contentSid = twilioConfigurationProperties.getNewArticleNotification().getContentSid();
         PhoneNumber toPhoneNumber = new PhoneNumber(String.format("whatsapp:%s", phoneNumber));
 
         JSONObject contentVariables = new JSONObject();
         contentVariables.put("ArticleURL", articleUrl);
-        
+
         Message.creator(toPhoneNumber, messagingSid, "")
           .setContentSid(contentSid)
-          .setContentVariables(contentVariables.toString())
-          .create();
+          .setContentVariables(contentVariables.toString()).create();
+    }
+
+    public void dispatchReplyMessage(String phoneNumber, String username) {
+        String messagingSid = twilioConfigurationProperties.getMessagingSid();
+        PhoneNumber toPhoneNumber = new PhoneNumber(String.format("whatsapp:%s", phoneNumber));
+
+        String message = String.format("Hey %s, our team will get back to you shortly.", username);
+        Message.creator(toPhoneNumber, messagingSid, message);
     }
 
 }