companyBasedGFG.js

let createPDF=require("./convertJSON2PDF");
let getQuestions= require("./getQuestionsFromGFG").getQues;
const puppeteer = require('puppeteer');
const readline = require("readline");

let rl = readline.createInterface({
    input:process.stdin,
    output:process.stdout,
    terminal:false
})

rl.question("Which Company are you preparing for?\n", async function (companyName) {
rl.question("Enter number of questions:",async function(numQues){
    await getCompanyQues(companyName,numQues);
    rl.close(); 
})
})

async function getCompanyQues(companyName, numQues) {

let questions = {}

const browser = await puppeteer.launch({
    headless: false,
    defaultViewport: null,
    args: ["--start-maximized"],
    slowMo: 75
});

let allPages = await browser.pages();
const pageGFG = allPages[0];
await pageGFG.setDefaultTimeout(60000)
await pageGFG.goto('https://practice.geeksforgeeks.org/explore/?page=1');
await pageGFG.reload();
await pageGFG.click("#moreCompanies", { delay: 2000 });
await pageGFG.waitForSelector("#searchCompanies");
await pageGFG.type("#searchCompanies", companyName)

/*Checking if the company's questions are even available or not, if not then print the corresponding statement and exit from process*/ 
await pageGFG.$('[style="font-size: 12px; padding: 10px; display: block;"]')
.then(async function(questionsAvailable)
{    
    if(questionsAvailable!=null)
    await pageGFG.click('[style="font-size: 12px; padding: 10px; display: block;"]', { delay: 2000 })
    else
    {
        console.log(`${companyName} questions not availabe`);
        process.exit();
    }
})

await pageGFG.click("#selectCompanyModal", { delay: 500 })
await pageGFG.waitForSelector(".panel.problem-block div>span")
await pageGFG.click("div[href='#collapse1'] h4", { delay: 1000 });

/*Getting questions of each type of difficulty from getQuestionsFromGFG module*/ 
questions["Easy Questions: "] = await getQuestions(pageGFG, numQues, 0, true); 
questions["Medium Questions: "] =  await getQuestions(pageGFG, numQues, 1, true) 
questions["Hard Questions: "] =  await getQuestions(pageGFG, numQues, 2, true)  

/*Creating PDF of all the questions*/
createPDF(JSON.stringify(questions),companyName,"");
browser.close();
}

module.exports;