JoaoEstudanteRead.js

const admin = require("firebase-admin");
let serviceAccount = require("./joaoestudantepk.json");

function countPoints(input) {
  var ccPoints = 0;
  var dePoints = 0;
  var bestCC = { userName: null, points: 0 };
  var bestDE = { userName: null, points: 0 };
  for (objeto in input) {
    if (input[objeto].course == "design") {
      const personPoints = Object.keys(input[objeto]).length;
      dePoints = dePoints + personPoints;
      if (personPoints > bestDE.points) {
        bestDE.userName = input[objeto].userName;
        bestDE.points = personPoints;
      }
    } else {
      const personPoints = Object.keys(input[objeto]).length;
      ccPoints = ccPoints + personPoints;
      if (personPoints > bestCC.points) {
        bestCC.userName = input[objeto].userName;
        bestCC.points = personPoints;
      }
    }
  }

  console.log("\n\nResumo no momento\n\n");
  console.log("Pontuação de Computação", ccPoints);
  console.log("Pontuação de Design", dePoints);
  console.log(
    "O melhor de CC foi:",
    bestCC.userName,
    "com ",
    bestCC.points,
    " pontos"
  );
  console.log(
    "O melhor de DE foi:",
    bestDE.userName,
    "com ",
    bestDE.points,
    " pontos"
  );
}

admin.initializeApp({
  credential: admin.credential.cert(serviceAccount)
});

let db = admin.firestore();

const objetao = {};

db.collection("tdc")
  .get()
  .then(snapshot => {
    snapshot.forEach(doc => {
      objetao[doc.id] = doc.data();
      console.log(doc.id, "=>", doc.data());
    });
    countPoints(objetao);
  })
  .catch(err => {
    console.log("Error getting documents", err);
  });