Google-Admin-SDK/index.js

const express = require('express');
const path = require('path');
const {google} = require('googleapis');
var admin = require("firebase-admin");
var SCOPES = 'https://www.googleapis.com/auth/firebase.messaging';
const port = 3004;

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

var keyPath = require('./keypath.json');

for(key in keyPath){
    var data = keyPath[key];
    var jsonPath = path.join(dirPath , data.PATH);
    var adminAuthToken = require(jsonPath);
    admin.initializeApp({
        credential: admin.credential.cert(adminAuthToken),
        databaseURL: data.DB_URL
    },key);


}


const app = express();

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



app.post('/sendFcm',async function(req,res){
    var dataReq = req.body;
    var application = dataReq.application;

    var fcm = admin.app(application);

    var tokens = ["ckATQ13PdBc:APA91bF_RbWjE8gFcWoWqyRwLuh7GtDyQnx-l3DCVWyfEyWCXBgMWeK6Cca4FW2Wjltgwd5Sck7kI-0L9vR0i1MwRMbqu1--2AaMFaU9G6cwbkt0DCGI8nJ-JpMmShjA1kMHDMa-8BUI",
    "e3S17M3ZMjU:APA91bEEb2otaSUV7Vu0hRxVCiCawxHXnc1E_PV1nxvSJOSxAL90SYGIOy_zbrsBJP-ewD0OgRQ44rfFDHF_ROQj3GKH8T5DfhUHeb4xPeVWc16kyF_NRyUvx3G_RDqgX4RYMKjfg6gs"]
    var message = {
        tokens : tokens,
        notification :{
    title: 'MAKANM KANA',
    body: 'EVERIBADINUW.'
  },
        data : {
              "click_action":"FLUTTER_NOTIFICATION_CLICK",
              "message_id":"1",
              "route":"/Pilihan",
              "type":"NOTIFICATION"
            }
    }
    fcm.messaging().sendMulticast(message)
    .then((response) => {       
        console.log(response);     
        if (response.failureCount > 0) {
        const failedTokens = [];
        response.responses.forEach((resp, idx) => {
            console.log('AAAA');
            if (!resp.success) {
            failedTokens.push(registrationTokens[idx]);
            }
        });
        console.log('List of tokens that caused failures: ' + failedTokens);
        }
        return res.status(200).json({"STATUS" : "SUKSES" ,"DATA" : response});
    }).catch((error) => {
        console.log('ERROR');
        return res.status(404).json({"STATUS" : "ERROR" ,"DATA" : error});
      });

    // var token = dataReq["to"];
    // if(token.length > 0){
    //     // One Device
    //     if(typeof token == 'string'){
    //         var message = {
    //             token : token,
    //             notification : dataReq.notification,
    //             data : dataReq.data
    //         }
    //         fcm.messaging().send(message)
    //         .then((response) => {
    //           // Response is a message ID string.
    //             return res.status(200).json({"STATUS" : "SUKSES" , "DATA" : response});              
    //         })
    //         .catch((error) => {
    //             return res.status(404).json({"STATUS" : "ERROR" ,"DATA" : error});
    //         });

    //     }
    //     // Multi Devices
    //     else{
    //         console.log(token);
    //         var tokens = ["e3S17M3ZMjU:APA91bEEb2otaSUV7Vu0hRxVCiCawxHXnc1E_PV1nxvSJOSxAL90SYGIOy_zbrsBJP-ewD0OgRQ44rfFDHF_ROQj3GKH8T5DfhUHeb4xPeVWc16kyF_NRyUvx3G_RDqgX4RYMKjfg6gs",
    //         "dN1qcm6jr9M:APA91bFuXr5tx0tVqKYqGxWDjaNm8NrbzO2hFpK6ylQHxQzZMnTjN4GtT3MNOXRkU-Mj98A9xMmJy715IQJX_aQb_7PqmzNchegeDOTJn86zcnTMlkqU6IKJaFkU2CRsZU_bsHXDeDoX"]
    //         var message = {
    //             tokens : tokens,
    //             notification : data.notification,
    //             data : dataReq.data
    //         }
    //         fcm.messaging().sendMulticast(message)
    //         .then((response) => {       
    //             console.log(response);     
    //             if (response.failureCount > 0) {
    //             const failedTokens = [];
    //             response.responses.forEach((resp, idx) => {
    //                 console.log('AAAA');
    //                 if (!resp.success) {
    //                 failedTokens.push(registrationTokens[idx]);
    //                 }
    //             });
    //             console.log('List of tokens that caused failures: ' + failedTokens);
    //             }
    //             return res.status(200).json({"STATUS" : "SUKSES" ,"DATA" : response});
    //         }).catch((error) => {
    //             console.log('ERROR');
    //             return res.status(404).json({"STATUS" : "ERROR" ,"DATA" : error});
    //           });
    //     }
    // }




});

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