Copy questions

playground.ts

import admin = require('firebase-admin');

const serviceAccount: { [key: string]: any } = require('../service_key.json');

admin.initializeApp({
    credential: admin.credential.cert(serviceAccount),
    databaseURL: 'https://remac-test-prep.firebaseio.com',
});

const firestore = admin.firestore();
const questionsCollection = firestore.collection('questions');
const questionsCopyCollection = firestore.collection('questions_copy');


questionsCollection.get().then(async (snapshot) => {
    const batch = admin.firestore().batch();

    for (const questionDoc of snapshot.docs) {
        const questionCopyDoc = questionsCopyCollection.doc(questionDoc.id);
        const questionData = questionDoc.data();

        batch.set(
            questionCopyDoc,
            questionData
        );
    }

    await batch.commit();
}).catch(console.error);