adding message dispatch service

Author: hardikSinghBehl

saas-modules/twilio-whatsapp/pom.xml

@@ -39,10 +39,16 @@
             <artifactId>twilio</artifactId>
             <version>${twilio.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <version>${json.version}</version>
+        </dependency>
     </dependencies>
 
     <properties>
         <java.version>17</java.version>
+        <json.version>20240303</json.version>
         <twilio.version>10.4.1</twilio.version>
     </properties>
 

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

@@ -0,0 +1,33 @@
+package com.baeldung.twilio.whatsapp;
+
+import org.json.JSONObject;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.stereotype.Service;
+
+import com.twilio.rest.api.v2010.account.Message;
+import com.twilio.type.PhoneNumber;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+@EnableConfigurationProperties(TwilioConfigurationProperties.class)
+public class ArticlePublishedNotificationDispatcher {
+
+    private final TwilioConfigurationProperties twilioConfigurationProperties;
+
+    public void dispatch(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();
+    }
+
+}