fcm.py

# setup firebase_admin first

from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework import status
from firebase_admin.messaging import send_multicast,MulticastMessage, Notification

@api_view(['POST'])
def notify(request, format=None):
    firebase_storage()
    tokens = request.data.get('tokens', ['token'])
    title = request.data.get('title', 'title')
    body = request.data.get('body', 'msg body')
    image = request.data.get('imageUrl', '')
    notif = Notification(title, body, image)

    MCmsg = firebase_admin.messaging.MulticastMessage(tokens=tokens, notification=notif)
    BatchResp = firebase_admin.messaging.send_multicast(MCmsg)
    print(str(BatchResp))
    return Response(
        {'status': 'Success', 'details': 'notification sent!'}
    )