push_notifications_service.js

const { json } = require("micro");
const axios = require("axios");

module.exports = async (req, res) => {
  if (req.method !== "POST") {
    res.end("404 - not found");
  }

  const content = await json(req);

  const userId = content.data.Notification.node.patient.user.id;
  const scheduling = content.data.Notification.node.scheduling;

  const data = {
    app_id: process.env.ONESIGNAL_APP_ID,
    include_external_user_ids: [userId],
    template_id: "9fe216ad-3726-423d-9c91-8a0ebdd2cf03",
    send_after: scheduling
  };

  try {
    await axios({
      method: "post",
      url: "https://onesignal.com/api/v1/notifications",
      headers: {
        Authorization: `Basic ${process.env.ONESIGNAL_APP_TOKEN}`,
        "Content-Type": "application/json"
      },
      data
    });

    res.end("Push notification successfully registered");
  } catch (error) {
    res.end("Error creating Push Notification");
  }
};