Receive Notification

Receive Notification

---

Notification struct

// pb/message build from protobuf file
import { Web3MQMessageListResponse } from '@/pb/message';

const WS_PROTOCOL = 'wss'; // ws or wss

const HostURL = 'us-west-2.web3mq.com'; // choose one domain

const GetWSConn = () => {
  const wsurl = WS_PROTOCOL + '://' + HostURL + '/messages';
  const wsconn = new WebSocket(wsurl);
  wsconn.binaryType = 'arraybuffer'; // !important Web3MQ send message use protobuf
  return wsconn;
};

// notification
const PbTypeNotificationListResp = 0b00010100;

let wsconn;
wsconn = GetWSConn();

wsconn.onmessage = function (event) {
  var respData = new Uint8Array(event.data);

  const PbType = respData[1];
  const bytes = respData.slice(2, respData.length);

  if (PbType == PbTypeNotificationListResp) {
    console.log('Receive notification');
    let notificationList = Web3MQMessageListResponse.fromBinary(bytes);
    console.log(notificationList);
    console.log(notificationList[0].payload);
  }
};

notification.payload

Parameters	Type	Required	Parameters Description
title	string	Yes	notfication title
content	string	Yes	notfication content
type	int	Yes	notfication type
version	int	Yes	1
timestamp	int	Yes	timestamp milliseconds

• notfication type
  • system.friend_request (Friend request notification type)
  • system.agree_friend_request (Agree friend request notification type)
  • system.group_invitation (Group invitation notification type)
  • subscription (subscription topic new message notification)

{
  "title": "notification title",
  "content": "notification content",
  "type": "system",
  "version": 1,
  "timestamp": 1656991509327
}