feat: Add apns-id header to client return value

Author: RedPhoenixQ

lib/client.js

@@ -503,7 +503,8 @@ module.exports = function (dependencies) {
   Client.prototype.createHeaderObject = function createHeaderObject(
     uniqueId,
     requestId,
-    channelId
+    channelId,
+    notificationId
   ) {
     const header = {};
     if (uniqueId) {
@@ -515,6 +516,9 @@ module.exports = function (dependencies) {
     if (channelId) {
       header['apns-channel-id'] = channelId;
     }
+    if (notificationId) {
+      header['apns-id'] = notificationId
+    }
     return header;
   };
 
@@ -531,6 +535,7 @@ module.exports = function (dependencies) {
     let uniqueId = null;
     let requestId = null;
     let channelId = null;
+    let notificationId = null;
     let responseData = '';
 
     const headers = extend(
@@ -561,6 +566,7 @@ module.exports = function (dependencies) {
       uniqueId = headers['apns-unique-id'];
       requestId = headers['apns-request-id'];
       channelId = headers['apns-channel-id'];
+      notificationId = headers["apns-id"];
     });
 
     request.on('data', data => {
@@ -577,7 +583,7 @@ module.exports = function (dependencies) {
           if (this.logger.enabled) {
             this.logger(`Request ended with status ${status} and responseData: ${responseData}`);
           }
-          const headerObject = this.createHeaderObject(uniqueId, requestId, channelId);
+          const headerObject = this.createHeaderObject(uniqueId, requestId, channelId, notificationId);
 
           if (status === 200 || status === 201 || status === 204) {
             const body = responseData !== '' ? JSON.parse(responseData) : {};