quiz-machine/server.js at master · mathildepind/quiz-machine · GitHub

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const express = require('express');
const app = express();
const fetch = require('node-fetch');
const bodyParser = require('body-parser');

const storage = {
  counter: 0,
  currentQuestion: null,
  level: "easy",
}

let answers = {
  1: false,
  2: false,
  3: true,
  4: false
}


app.use(bodyParser.json());

app.set('view engine', 'hbs');
app.use('/static', express.static('static'));


app.get('/', function(req, res) {
  res.render('first-page', req.body);
});

// get on initial load
app.get('/quiz', function(req,res) {
  fetch('https://opentdb.com/api.php?amount=1&difficulty=easy&type=multiple&category=18')
  .then(function(response){
    return response.json();
  }).then(function(json){
    let data = json.results[0];
    res.render('mainPage', data);
  }).catch(function(error){
    res.status(500).json({ error: 'We failed to fetch the question' });
  });
});


// get when fetch call from client
app.get('/check-answer/:answer', function(req, res) {
  let answer = req.params.answer;
  if (answer === "correct") {
    storage.counter += 1;
    if (storage.counter < 10) {
      storage.level = 'easy';
    } else if (storage.counter >= 10 && storage.counter < 20) {
      storage.level = 'medium';
    } else if (storage.counter >= 20) {
      storage.level = 'hard';
    }
    //console.log(storage.level);

    // response to client with counter
    //fetch new question from API
    fetch(`https://opentdb.com/api.php?amount=1&difficulty=${storage.level}&type=multiple&category=18`)
    .then(function(response){
      return response.json();
    }).then(function(json){
      let data = json.results[0];
      data.counter = storage.counter;
      data.level = storage.level;
      res.json(data);
    }).catch(function(error){
      res.status(500).json({ error: 'We failed to fetch the question' });
    });
  } else if (answer === "wrong") {
    storage.counter -= 1;
    if (storage.counter < 0){
      storage.counter = 0;
    }
    if (storage.counter < 10) {
      storage.level = 'easy';
    } else if (storage.counter >= 10 && storage.counter < 20) {
      storage.level = 'medium';
    } else if (storage.counter >= 20) {
      storage.level = 'hard';
    }
    fetch(`https://opentdb.com/api.php?amount=1&difficulty=${storage.level}&type=multiple&category=18`)
    .then(function(response){
      return response.json();
    }).then(function(json){
      let data = json.results[0];
      data.counter = storage.counter;
      data.level = storage.level;
      res.json(data);
    }).catch(function(error){
      res.status(500).json({ error: 'We failed to fetch the question' });
    });
  }
})


app.get('/get-question', function(req, res) {
  if (storage.currentQuestion === null) {
    fetch('https://opentdb.com/api.php?amount=1&type=multiple')
    .then(function(response){
      return response.json();
    }).then(function(json){
      //res.json(data.results[0]);
      let data = json.results[0];
      res.render('mainPage', data);
    });
  }
  else {
    //res.json(storage.currentQuestion);
    res.render(storage.currentQuestion);
  }
});


app.listen(8080, function(){
  console.log('I am listening on port 8080');
});


/// Maybe no longer needed
app.get('/temp', function(req, res) {
  fetch('https://opentdb.com/api.php?amount=1')
  .then(function(response){
    return response.json();
  }).then(function(json){
    let data = json.results[0];
    data.counter = storage.counter
    res.render('quizViewer', data);
  }).catch(function(error){
    res.status(500).json({ error: 'We failed to fetch the question' });
  });
});