money bot --total expense

moneyBot-total-expense.js

const Firebase = require("./firebase.init");

const returnTotal = (UID, res) => {
    const date = new Date();
    const month = date.getMonth();
    Firebase.FireDB.ref(UID)
    .once("value")
    .then(snapshot => {
      const user = snapshot.val() || "undefined";
      if (user !== "undefined") {
        const currentMonthExpenses = user[month];
        let totalExpense = 0;
        for (let expense in currentMonthExpenses){
          totalExpense += parseInt(currentMonthExpenses[expense].amount);
        }
        const answer = `Since the begining of the month you've spent ${totalExpense} ₪`;
        const message = {"messages": [{"text": answer}]};
        res.send(message);
      } else {
        const answer = 'Hm, it looks like I do not know you ';
        const message = {"messages": [{"text": answer}]};
        res.send(message);
      }
    })
}


const doTheMath = (UID, res) => {
  const date = new Date();
  const day = date.getDate();
  res.send(day);
}

module.exports = {returnTotal, doTheMath};