node-red-contrib-cloud-firestore/src/admin/firebaseAdminNode.js

Node-RED nodes to handle google cloud firestore read and write operations.

var firebaseAdmin = require('firebase-admin');

function FirebaseAdminNode(config) {
  if (!config.serviceAccountJson) {
    throw 'Service Account Json Not Present';
  }

  const app = firebaseAdmin.initializeApp({
    credential: firebaseAdmin.credential.cert(config.serviceAccountJson),
    databaseURL: `https://${config.serviceAccountJson.project_id}.firebaseio.com`,
    projectId: config.serviceAccountJson.project_id
  }, config.serviceAccountJson.project_id);

  this.app = app;
  this.core = firebaseAdmin;
  this.firestore = app.firestore();
}

FirebaseAdminNode.prototype.onClose = function (removed, done) {
  let deletePromises = [];
  firebaseAdmin.apps.forEach((app) => deletePromises.push(app.delete()));
  Promise.all(deletePromises)
    .then(done)
    .catch((e) => {
      console.error(e.message || e);
      done();
    });
};

module.exports = FirebaseAdminNode;