Update Fee

update_fee.js

/**
 * Visit https://cloud.google.com/docs/authentication/getting-started and
 * follow the steps to generate a service account, by the end you have a json or p2
 * file downloaded.
 * Export the path so that you have access to the datastore
 * export GOOGLE_APPLICATION_CREDENTIALS="/path/to/file.json"
 * 
 * npm init --yes
 * npm install firebase-admin
 * node index.js <PROJECT_ID>
 */
const firebase = require('firebase-admin');

const feesRef = "/appRevenue/creditCardPayment/fees";

(async () => {
    const args = process.argv.slice(2);
    if (!args.some(Boolean)) {
        throw new Error("ProjectId cannot be null");
    }
    const [projectId] = args;

    firebase.initializeApp({ projectId });

    const NEW_INTEREST_FEE = 0.01; //Change it here

    const firestore = firebase.firestore();

    const feeRef = await firestore
        .collection(feesRef)
        .where('interestFee', '>', 0.01)
        .get();

    feeRef.forEach(async doc => {
        console.info(`Atualizando ${doc.id}...`);
        await doc.ref.update({ interestFee: NEW_INTEREST_FEE });
    });

    console.log('Taxas atualizada');
})().then(console.info)
    .catch(console.error)