chatbot beta webhook

appscript.js

var HOOK_FB_ID = "267312947032250";
var TARGET_FB_ID = "182794865548469";
var TARGET_FB_TOKEN = "token có quyền publish bài";

function doGet(e) {
  if (e.parameter['hub.verify_token'] === 'o3OfDSJc7qrRkiDbCoLJeHKGHQl81a') {
    var textContent = ContentService.createTextOutput(e.parameter['hub.challenge']);
    textContent.setMimeType(ContentService.MimeType.TEXT);
    return textContent;
  }
}

function doPost(e) {
  
  try {
    var msgdata = JSON.parse(e['postData'].contents);
    msgdata.entry.forEach(function(entry) {
      processRequest(entry);
    });
    /*var userProperties = PropertiesService.getUserProperties();
    userProperties.setProperty('log', JSON.stringify(msgdata));*/
  } catch (err) {
    //var doc = DocumentApp.openById("1kuRay06fB4EkVv_J1YnoZaz-_wMqo9u1KD_wrUSuCXI");
    //doc.getBody().setText(JSON.stringify(err));
  }
}

function processRequest(data) {
  try {
    data.changes.forEach(function (action) {
      if (action.field === "feed" && 
          action.value.verb === "add" && 
          action.value.sender_id === HOOK_FB_ID) {
        if (action.value.item === "comment") {
          saveCmt(action.value.comment_id,
                  (action.value.parent_id ? action.value.parent_id : action.value.post_id),
                  action.value.message);
        }
      }
    });
  } catch (err) {}
}

function saveCmt(cmt_id, post_id, cmt) {
  if (!cmt) return;
  var options1 = {
		'method' : 'delete',
        'contentType' : "application/json",
        'muteHttpExceptions' : true
	};
  UrlFetchApp.fetch('https://graph.facebook.com/v2.10/'+cmt_id+'?access_token='+TARGET_FB_TOKEN, options1);
  var payload_data = {message: cmt};
  var options2 = {
		'method' : 'post',
		'payload' : JSON.stringify(payload_data),
        'contentType' : "application/json",
        'muteHttpExceptions' : true
	};
  UrlFetchApp.fetch('https://graph.facebook.com/v2.10/'+post_id+'/comments?access_token='+TARGET_FB_TOKEN, options2);
}

function viewLog() {
 var userProperties = PropertiesService.getUserProperties();
 Logger.log(userProperties.getProperty('log')); 
}