akshayejh / firebase-push-notifications--device-to-device-notification Goto Github PK

const user_id = context.params.user_id;
const notification_id = context.params.notification_id;

console.log("User ID: " + user_id + " | Notification ID " + notification_id);

return admin.firestore().collection("Users").doc(user_id).collection("Notifications").doc(notification_id).get().then(queryResult => {

	const from_user_id = queryResult.data().from;
	const from_message = queryResult.data().message;

	const from_data = admin.firestore().collection("Users").doc(from_user_id).get();

	const to_data = admin.firestore().collection("Users").doc(user_id).get();

	return Promise.all([from_data, to_data]).then(result => {
		const from_name = result[0].data().name;
		const to_name = result[1].data().name;
		const token_id = result[1].data().token_id;

		const payload = {
			notification : {
				title : "Notification From" + from_name,
				body : from_message,
				icon : "default"
			}, 
			data : {
				message : from_message,
				from_user_id : from_user_id
			}
		};

		return admin.messaging().sendToDevice(token_id, payload).then(result => {
			console.log("Notification sent");
			return 0;
		});

	});


});