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Extract MCQs

Extract MCQs from the Popular Site https://www.sanfoundry.com

  1. // ==UserScript==
  2. // @name         Extract MCQs
  3. // @namespace    themrsami
  4. // @version      2.5
  5. // @description  Extract MCQs from the Popular Site https://www.sanfoundry.com
  6. // @author       You
  7. // @match        *://*.sanfoundry.com/*
  8. // @grant        GM_registerMenuCommand
  9. // @grant        GM_addStyle
  10. // @license      MIT
  11. // ==/UserScript==
  12.  
  13.  
  14. (function() {
  15.     'use strict';
  16.  
  17.     // Add some CSS for the button
  18.     GM_addStyle(`
  19.         #extract-mcqs-button {
  20.             position: fixed;
  21.             bottom: 20px;
  22.             right: 20px;
  23.             padding: 10px 20px;
  24.             font-size: 16px;
  25.             color: white;
  26.             background-color: #007BFF;
  27.             border: none;
  28.             border-radius: 5px;
  29.             cursor: pointer;
  30.             z-index: 9999;
  31.         }
  32.         #extract-mcqs-button:hover {
  33.             background-color: #0056b3;
  34.         }
  35.     `);
  36.  
  37.     // Create the button
  38.     let button = document.createElement('button');
  39.     button.id = 'extract-mcqs-button';
  40.     button.innerText = 'Extract MCQs';
  41.     document.body.appendChild(button);
  42.  
  43.     function extractMCQs() {
  44. // Remove elements that destroy the structure
  45. let elementsToRemove = [
  46.     ...document.querySelectorAll('div[style="margin:30px 0px;"]'),
  47.     ...document.querySelectorAll('div.sf-mobile-ads'),
  48.     ...document.querySelectorAll('div.sf-desktop-ads'),
  49.     ...document.querySelectorAll('span.collapseomatic')
  50. ];
  51.  
  52. for (let element of elementsToRemove) {
  53.     if (element.parentNode) {
  54.         element.parentNode.removeChild(element);
  55.     }
  56. }
  57.  
  58. let pTags = document.getElementsByTagName('p');
  59. let results = [];
  60.  
  61. for (let i = 0; i < pTags.length; i++) {
  62.     let imgHref = null;
  63.     let aTag = pTags[i].getElementsByTagName('a')[0];
  64.     if (aTag) {
  65.         let imgTag = aTag.getElementsByTagName('img')[0];
  66.         if (imgTag) {
  67.             imgHref = imgTag.src || imgTag.getAttribute('data-src');
  68.             aTag.parentNode.removeChild(aTag);
  69.         }
  70.     }
  71.  
  72.     let startsWithNumber = /^\d/.test(pTags[i].textContent);
  73.     let nextSibling = pTags[i].nextElementSibling;
  74.     if (startsWithNumber && nextSibling && nextSibling.tagName.toLowerCase() === 'div' && nextSibling.classList.contains('collapseomatic_content')) {
  75.         let statementAndOptions = pTags[i].innerHTML.split('<br>');
  76.         let statement = statementAndOptions.shift();
  77.         let options = statementAndOptions.join('<br>').replace(/\n/g, '');
  78.         let answerAndExplanation = nextSibling.innerHTML.split('<br>');
  79.         let answer = answerAndExplanation.shift().replace(/\n/g, '');
  80.         let explanation = answerAndExplanation.join('<br>').replace(/\n/g, '');
  81.         results.push({
  82.             statement: statement,
  83.             imgHref: imgHref,
  84.             options: options,
  85.             answer: answer,
  86.             explanation: explanation
  87.         });
  88.     }
  89.  
  90.     let nextDiv = pTags[i].nextElementSibling;
  91.     if (nextDiv && nextDiv.tagName.toLowerCase() === 'div' && nextDiv.classList.contains('hk1_style-wrap5')) {
  92.         let pre = nextDiv.getElementsByTagName('pre')[0];
  93.         if (pre) {
  94.             let nextP = nextDiv.nextElementSibling;
  95.             if (nextP && nextP.tagName.toLowerCase() === 'p') {
  96.                 let nextDiv2 = nextP.nextElementSibling;
  97.                 if (nextDiv2 && nextDiv2.tagName.toLowerCase() === 'div' && nextDiv2.classList.contains('collapseomatic_content')) {
  98.                     let statement = pTags[i].textContent;
  99.                     let preContent = pre.textContent.replace(/\n/g, '');
  100.                     let options = nextP.innerHTML.split('<br>').join('<br>').replace(/\n/g, '');
  101.                     let answerAndExplanation = nextDiv2.innerHTML.split('<br>');
  102.                     let answer = answerAndExplanation.shift().replace(/\n/g, '');
  103.                     let explanation = answerAndExplanation.join('<br>').replace(/\n/g, '');
  104.                     results.push({
  105.                         statement: statement,
  106.                         preContent: preContent,
  107.                         options: options,
  108.                         answer: answer,
  109.                         explanation: explanation
  110.                     });
  111.                 }
  112.             }
  113.         }
  114.  
  115.         let del1 = nextDiv.getElementsByClassName('del1')[0];
  116.         if (del1) {
  117.             let statement = pTags[i].textContent + ' ' + del1.textContent;
  118.             let nextP = nextDiv.nextElementSibling;
  119.             if (nextP && nextP.tagName.toLowerCase() === 'p') {
  120.                 let nextDiv2 = nextP.nextElementSibling;
  121.                 if (nextDiv2 && nextDiv2.tagName.toLowerCase() === 'div' && nextDiv2.classList.contains('collapseomatic_content')) {
  122.                     let options = nextP.innerHTML.split('<br>').join('<br>').replace(/\n/g, '');
  123.                     let answerAndExplanation = nextDiv2.innerHTML.split('<br>');
  124.                     let answer = answerAndExplanation.shift().replace(/\n/g, '');
  125.                     let explanation = answerAndExplanation.join('<br>').replace(/\n/g, '');
  126.                     results.push({
  127.                         statement: statement,
  128.                         options: options,
  129.                         answer: answer,
  130.                         explanation: explanation
  131.                     });
  132.                 }
  133.             }
  134.         }
  135.     }
  136. }
  137.  
  138. console.log(JSON.stringify(results, null, 2));
  139.  
  140.  
  141. // ... Your existing code to extract the MCQs ...
  142.  
  143. // Now let's generate the HTML
  144. let html = `
  145. <!DOCTYPE html>
  146. <html lang="en">
  147. <head>
  148.     <meta charset="UTF-8">
  149.     <meta name="viewport"="width=device-width, initial-scale=1.0">
  150.     <title>Quiz</title>
  151.     <script src="https://cdn.tailwindcss.com"></script>
  152.     <style>
  153.         @tailwind base;
  154.         @tailwind components;
  155.         @tailwind utilities;
  156.  
  157.         .option:hover:not(.selected) {
  158.           @apply bg-gray-300;
  159.         }
  160.         .correct {
  161.           @apply bg-green-200;
  162.         }
  163.         .incorrect {
  164.           @apply bg-red-200;
  165.         }
  166.         .selected {
  167.           @apply bg-gray-400;
  168.         }
  169.         .option:hover {
  170.           @apply scale-105;
  171.         }
  172.         .selected {
  173.           @apply scale-110;
  174.         }
  175.         .option:focus {
  176.           @apply ring-4 ring-blue-500 ring-offset-2 ring-offset-gray-100;
  177.         }
  178.     </style>
  179. </head>
  180. <body class="bg-gray-100 p-10">
  181.  
  182.     <div class="flex justify-between items-center mb-4 sticky top-0 bg-white z-50">
  183.         <div>
  184.             <p class="text-lg font-bold">Time: <span id="timer" class="text-blue-500">00:00</span></p>
  185.         </div>
  186.         <div>
  187.             <p class="text-lg font-bold text-green-500">Correct: <span id="correct-count">0</span></p>
  188.             <p class="text-lg font-bold text-red-500">Incorrect: <span id="incorrect-count">0</span></p>
  189.         </div>
  190.     </div>
  191.  
  192.  
  193.  
  194.     ${results.map((result, index) => `
  195.     <div class="bg-white shadow-md rounded px-8 pt-6 pb-8 mb-4 flex flex-col my-2">
  196.         <div class="md:flex mb-6">
  197.             <div class="md:w-1/2 px-3">
  198.                 <label class="block uppercase tracking-wide text-blue-900 text-lg font-bold mb-2" for="grid-first-name">
  199.                     Q${index + 1}: ${result.statement.replace(/^\d+\.\s*/, '')}
  200.                 </label>
  201.                 ${result.preContent ? `<pre>${result.preContent}</pre>` : ''}
  202.             </div>
  203.             <div class="md:w-1/2 px-3">
  204.                 ${result.imgHref ? `<img src="${result.imgHref}" alt="Image" class="mb-4">` : ''}
  205.             </div>
  206.         </div>
  207.         <div class="md:flex mb-6">
  208.             <div class="md:w-full px-3">
  209.                 <div id="options-${index}" class="grid grid-cols-1 md:grid-cols-2 gap-4">
  210.                     ${result.options.split('<br>').map((option, optionIndex) => option.trim() !== "" ? `
  211.                     <p class="option cursor-pointer py-2 px-4 rounded bg-blue-100 hover:bg-blue-200" onclick="checkAnswer(${index}, ${optionIndex})">${option}</p>
  212.                     ` : '').join('')}
  213.                 </div>
  214.                 <button class="mt-3 text-white bg-blue-700 border-0 py-2 px-6 focus:outline-none hover:bg-blue-800 rounded text-lg" onclick="document.getElementById('answer-${index}').classList.toggle('hidden');document.getElementById('explanation-${index}').classList.toggle('hidden');">Show/Hide Answer</button>
  215.                 <p id="answer-${index}" class="hidden mt-3 text-grey-darker text-base bg-gray-200 p-4 rounded">${result.answer}</p>
  216.                 <p id="explanation-${index}" class="hidden mt-3 text-grey-darker text-base bg-gray-200 p-4 rounded">${result.explanation}</p>
  217.             </div>
  218.         </div>
  219.     </div>
  220.     `).join('')}
  221.     <script>
  222.         // Initialize score counters
  223.         let correctCount = 0;
  224.         let incorrectCount = 0;
  225.         
  226.         // Initialize timer
  227.         let timer = 0;
  228.         let timerElement = document.getElementById('timer');
  229.         
  230.         // Start timer
  231.         setInterval(function() {
  232.             timer++;
  233.             let minutes = Math.floor(timer / 60);
  234.             let seconds = timer % 60;
  235.             timerElement.textContent = (minutes < 10 ? '0' : '') + minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
  236.         }, 1000);
  237.         
  238.         window.checkAnswer = function(questionIndex, optionIndex) {
  239.             let options = document.getElementById('options-' + questionIndex).children;
  240.             let answerElement = document.getElementById('answer-' + questionIndex);
  241.             let answer = answerElement.textContent.split(': ')[1].trim().toLowerCase();
  242.             for (let i = 0; i < options.length; i++) {
  243.                 // Disable all options
  244.                 options[i].classList.add('cursor-not-allowed', 'opacity-50');
  245.                 options[i].setAttribute('onclick', '');
  246.         
  247.                 if (i === optionIndex) {
  248.                     options[i].classList.add('selected');
  249.                     if (answer.includes(options[i].textContent.trim()[0].toLowerCase())) {
  250.                         options[i].classList.remove('bg-blue-100', 'hover:bg-blue-200');
  251.                         options[i].classList.add('bg-green-500');
  252.                         correctCount++;
  253.                     } else {
  254.                         options[i].classList.remove('bg-blue-100', 'hover:bg-blue-200');
  255.                         options[i].classList.add('bg-red-500');
  256.                         incorrectCount++;
  257.                     }
  258.                 }
  259.             }
  260.         
  261.             // Update score counters
  262.             document.getElementById('correct-count').textContent = correctCount;
  263.             document.getElementById('incorrect-count').textContent = incorrectCount;
  264.         };
  265.     </script>
  266. </body>
  267. </html>`;
  268.  
  269. // Download the file
  270. let blob = new Blob([html], {type: "text/html;charset=utf-8"});
  271. let link = document.createElement("a");
  272. link.href = URL.createObjectURL(blob);
  273. link.download = "quiz.html";
  274. link.click();}
  275.  
  276.     // Add an event listener to the button
  277.     button.addEventListener('click', extractMCQs);
  278. })();