Google-Admin-SDK/index.js

const express = require("express");
require('dotenv').config();
const path = require("path");
var admin = require("firebase-admin");
const port = process.env.PORT || 14003;

var dirPath = path.join(__dirname, "fcm_key");

var data = require("./keypath.json");
const { messaging } = require("firebase-admin");

//dijadiin 1 ThamrinGroup dan HRIS
// for (key in keyPath) {
  var jsonPath = path.join(dirPath, data.PATH);
  var adminAuthToken = require(jsonPath);
  admin.initializeApp(
    {
      credential: admin.credential.cert(adminAuthToken),
      databaseURL: process.env.DB_URL,
    },
    // key
  );
// }

const app = express();

app.use(
  express.json({ limit: "50mb", parameterLimit: 1000000, extended: true })
);
app.use(
  express.urlencoded({ limit: "50mb", parameterLimit: 1000000, extended: true })
);

app.post("/sendFcm", async function (req, res) {
  try {
    var message = req.body;
    console.log(message);
    if(message){
      messaging().sendMulticast(message)
      .then((response) => {
        // console.log(response.successCount + ' messages were sent successfully');
        if (response.failureCount > 0) {
          if(message.tokens){
            const failedTokens = [];
            response.responses.forEach((resp, idx) => {
              if (!resp.success) {
                failedTokens.push(message.tokens[idx]);
              }
            });
            console.log("Failed Fcm Notif",failedTokens);
            return res.status(400).json(response);
          }
          else{
            return res.status(400).json({error:"Error sending FCM Notification!"});
          }
        }
        return res.status(200).json(response);
      }).catch((error) => {
        return res.status(404).json(error);
      });
    }
    else{
      return res.status(404).json({error:"Message can't be empty!"});
    }
    
    // var fcm = admin.app(application.application);

    // fcm
    //   .messaging()
    //   .sendMulticast(message)
    //   .then((response) => {
    //     if (response.failureCount > 0) {
    //       const failedTokens = [];
    //       response.responses.forEach((resp, idx) => {
    //         if (!resp.success) {
    //           failedTokens.push(registrationTokens[idx]);
    //         }
    //       });
    //     }
    //     return res.status(200).json(response);
    //   })
      // .catch((error) => {
      //   return res.status(404).json(error);
      // });
  } catch (e) {
    console.log(e.message);
    return res.status(404).json(e.message);
  }
});

app.listen(port, () => console.log(`Listening into port ${port}`));