app.js

require('dotenv').config()

const Telegraf = require('telegraf')
const session = require('telegraf/session')
const Stage = require('telegraf/stage')
const Markup = require('telegraf/markup')
const WizardScene = require('telegraf/scenes/wizard')
const Extra = require('telegraf/extra')
const axios = require('axios')

const urlAPI = 'https://quiz.revolut1on.com/'

const tofQuizWizard = new WizardScene('tof-quiz-wizard',
  async (ctx) => {
      tofQuizData = await getTofQuizRandom()

      tofQuizStatement = `<i>${tofQuizData.quiz.statement}</i>\n<b>TRUE</b> or <b>FALSE</b>?`
      tofQuizPhoto = `${urlAPI}/img/tof/${tofQuizData.quiz.url_photo}`

      ctx.replyWithPhoto(tofQuizPhoto,
        Extra.load({
          caption: tofQuizStatement,
          parse_mode: 'HTML'
        })
        .markup(Markup.inlineKeyboard([
          Markup.callbackButton('TRUE', `true ${tofQuizData.quiz.id}`),
          Markup.callbackButton('FALSE', `false ${tofQuizData.quiz.id}`)
        ])))

      return ctx.wizard.next()
    },
    async (ctx) => {
      tofQuizId = ctx.callbackQuery.data.split(' ')[1]
      userAnswer = ctx.callbackQuery.data.split(' ')[0]
      userId = ctx.callbackQuery.from.id
      userFirstName = ctx.callbackQuery.from.first_name
      sayHello = `<a href="tg://user?id=${userId}">${userFirstName}</a>`

      dataAnswer = await postTofQuiz(tofQuizId, userAnswer, userId)
      tofQuizData = await getSpecificQuiz(tofQuizId)
      userAnswerPercent = await getUserAnswerPercent(tofQuizData.quiz.tofanswers)

      tofQuizStatement = `<i>${tofQuizData.quiz.statement}</i>\n\n`
      tofQuizExplanation = `${sayHello}, the answer is <b>${tofQuizData.quiz.correct_answer.toString().toUpperCase()}</b>.\n${tofQuizData.quiz.explanation} `
      readMoreExplanation = `<a href="${tofQuizData.quiz.reference}">Read More ...</a>\n\n`

      reply = `${tofQuizStatement+tofQuizExplanation+readMoreExplanation+userAnswerPercent}`

      ctx.editMessageCaption(`${reply}`,
        Extra.HTML())

      return ctx.scene.leave()
    }
)
const stage = new Stage([tofQuizWizard])

const bot = new Telegraf(process.env.BOT_TOKEN)
bot.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const response_time = new Date() - start
  console.log(`(Response Time: ${response_time})`)
})
bot.use(session())
bot.use(stage.middleware())

bot.hears('/quiz tof', async (ctx) => {
  ctx.scene.enter('tof-quiz-wizard')
})

bot.launch()

async function getTofQuizRandom() {
  const response = await axios.get(`${urlAPI}api/tof-quiz-random/`)
  const data = await response.data

  return data
}

async function getSpecificQuiz(tofQuizId) {
  const response = await axios.get(`${urlAPI}api/tof-quiz/${tofQuizId}`)
  const data = await response.data

  return data
}

async function postTofQuiz(tofQuizId, userAnswer, userId) {
  const response = await axios.post(`${urlAPI}api/tof-answer`, {
    'tofquiz_id': tofQuizId,
    'answer': userAnswer,
    'id_telegram': userId
  })
  const data = await response.data

  return data
}

async function getUserAnswerPercent(answers) {
  trueCount = 0
  falseCount = 0
  await answers.forEach(element => {
    if (element.answer == true) trueCount++
    else falseCount++
  });

  truePercent = ((trueCount / answers.length) * 100).toString().slice(0, 3)
  falsePercent = ((falseCount / answers.length) * 100).toString().slice(0, 3)

  answerPercent = await `Count Answer:\n— ${truePercent}% Answer TRUE\n— ${falsePercent}% Answer FALSE\n`
  return answerPercent
}