HackerRank JavaScript Certification Intermediate Solutions

 'use strict';

const fs = require('fs');

const https = require('https');

process.stdin.resume();

process.stdin.setEncoding('utf-8');

let inputString = '';

let currentLine = 0;

process.stdin.on('data', function(inputStdin) {

      inputString += inputStdin;

});

process.stdin.on('end', function() {

    inputString = inputString.split('\n');

    main();

});

function readLine() {

      return inputString[currentLine++];

}

const axios =  require('axios');

async function getNumTransactions(username) {

    // write your code here

    // API endpoint: https://jsonmock.hackerrank.com/api/article_users?username=<username>

    // API endpoint: https://jsonmock.hackerrank.com/api/transactions?&userId=<userId>

    try {

        const {data} = await axios.get(`https://jsonmock.hackerrank.com/api/article_users?username=${username}`);

        if(data.data && data.data.length !==0){

            const userID = data.data[0].id;

            const response = await axios.get(`https://jsonmock.hackerrank.com/api/transactions?&userId=${userID}`)

            return response.data.total;

        } else {

            return "Username Not Found";

        } 

    } catch (error){

        console.log(error);

    }

}

async function main() {

    const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

    const username = readLine().trim();

    const result = await getNumTransactions(username);

    ws.write(result.toString());

}'use strict';

const fs = require('fs');

const https = require('https');

process.stdin.resume();

process.stdin.setEncoding('utf-8');

let inputString = '';

let currentLine = 0;

process.stdin.on('data', function(inputStdin) {

      inputString += inputStdin;

});

process.stdin.on('end', function() {

    inputString = inputString.split('\n');

    main();

});

function readLine() {

      return inputString[currentLine++];

}

const axios =  require('axios');

async function getNumTransactions(username) {

    // write your code here

    // API endpoint: https://jsonmock.hackerrank.com/api/article_users?username=<username>

    // API endpoint: https://jsonmock.hackerrank.com/api/transactions?&userId=<userId>

    try {

        const {data} = await axios.get(`https://jsonmock.hackerrank.com/api/article_users?username=${username}`);

        if(data.data && data.data.length !==0){

            const userID = data.data[0].id;

            const response = await axios.get(`https://jsonmock.hackerrank.com/api/transactions?&userId=${userID}`)

            return response.data.total;

        } else {

            return "Username Not Found";

        } 

    } catch (error){

        console.log(error);

    }

}

async function main() {

    const ws = fs.createWriteStream(process.env.OUTPUT_PATH);

    const username = readLine().trim();

    const result = await getNumTransactions(username);

    ws.write(result.toString());

}