Let's say you're counting the number of cities in a country, so you register an onDocumentCreated trigger for: /countries/{countryId}/cities/{cityId} In the trigger, you'll want to increase the cityCount in the Country document at /countries/{countryId}. How should this be done? The…
I am new to Firebase Authentication. I am building a web application with ReactJS frontend, Spring backend, PostgreSQL database and plan to use Firebase for email and password authentication. I have always been told that data validation in the backend…
We have implemented the notifications and it works fine when we do the regular testing. However, when concurrent users uses the same API then we get below error. The default firebaseapp already exists. However, by checking the solution on the…
I am building a Firebase project where I need to run a cloud function whenever a document is created in a specific Firestore collection. I'm using Node.js with the Firebase Admin SDK and have set up Firebase functions. Everything else…
I have an Firebase Cloud Functions codebase that uses Firestore database. Everything below works when I use it in local emulator using firebase emulators:start but when I need to deploy it to Firebase I got below error: Error: User code…
Im trying to send FCM in my kotlin springboot backend. I can query/write firestore documents successfully. But when I try to send fcm, I got below error. message: "handleException /<endpoint> com.google.api.client.http.HttpResponseException: 401 Unauthorized POST https://fcm.googleapis.com/v1/projects/<project-id>/messages:send" The Service Account have Firebase…
I'm trying to configure firebase-admin SDK on my nextjs + TS project. Whenever i try to invoke any SDK function, i get a webAssembly error. In my case, i am trying to configure a middleware for the server side api,…
When running this code on my VPS: import admin from 'firebase-admin' import serviceAcc from '../config/test.json' export async function fbAdminSdkTest() { try { console.log('using credentials') console.log(admin.credential.cert(serviceAcc as any)) console.log('!') admin.initializeApp({ credential: admin.credential.cert(serviceAcc as any), }) const test = await admin.auth().createUser({ email:…
I hope you can help me with this problem. I have a Firebase Cloud Function, which sends a message via FCM to a certain topic when a document is created on the firestore database. Here is my code for it:…
I'm using the package firebase.google.com/go/v4 and trying to upload a file to firebase storage and have a download link to use the file later in other apps. The documentation especially for Go is quite vague. I'm wondering if there's even…