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Auto grading

USTC 自动评教 tqm.ustc.edu.cn

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  1. // ==UserScript==
  2. // @name         Auto grading
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.7.3
  5. // @description  USTC 自动评教 tqm.ustc.edu.cn
  6. // @author       PRO_2684
  7. // @match        https://tqm.ustc.edu.cn/index.html*
  8. // @icon         https://tqm.ustc.edu.cn/favicon.ico
  9. // @grant        GM_getResourceText
  10. // @license      gpl-3.0
  11. // @resource     answers https://cdn.jsdelivr.net/gh/PRO-2684/gadgets/auto_grading/answers.json
  12. // ==/UserScript==
  13.  
  14. (function () {
  15.     'use strict';
  16.     const INTERVAL = 500; // ms
  17.     const log = console.log.bind(console, "[Auto grading]");
  18.     const standard_answers = JSON.parse(GM_getResourceText("answers"));
  19.     let bypass_timer = false;
  20.     let menu_root;
  21.     function clean(str) {
  22.         // Remove spaces
  23.         str = str.replace(/\s+/g, "");
  24.         // Remove leading asterisk
  25.         if (str[0] == '*') str = str.slice(1);
  26.         // Remove leading serial number
  27.         str = str.replace(/^\d*\./, "");
  28.         // Remove "(单选题)"/"(多选题)"
  29.         str = str.replace("(单选题)", "");
  30.         str = str.replace("(多选题)", "");
  31.         return str;
  32.     }
  33.     function on_bypass_click() {
  34.         bypass_timer = !bypass_timer;
  35.         this.textContent = `绕过倒计时 [${bypass_timer ? "✔" : "✘"}]`;
  36.     }
  37.     function add_item(display_name, hint, callback) {
  38.         const new_item = menu_root.appendChild(document.createElement("li"));
  39.         new_item.innerText = display_name;
  40.         new_item.onclick = callback;
  41.         new_item.className = "ant-menu-item";
  42.         new_item.title = hint;
  43.     }
  44.     function help() {
  45.         alert("食用方法:\n1. 进入未完成的评价问卷\n2. 侧栏选择你想要的操作或激活快捷键\n3. 等待脚本执行\n\n快捷键说明:\n- Enter: 智能执行以下中的一项: 下一位教师/选择标准答案/提交回答\n- Shift+Enter: 全自动评教\n- Backspace: 忽略并转到下一个");
  46.     }
  47.     function grade() {
  48.         const questions = document.querySelectorAll("[class^='index_subject-']");
  49.         const disabled = questions[0].querySelector(".ant-radio-wrapper-disabled");
  50.         if (disabled) return false;
  51.         let first_unchosen = null;
  52.         questions.forEach((question) => {
  53.             const required = Boolean(question.querySelector('[class^="index_necessary"]'));
  54.             if (!required) return;
  55.             const tmp = question.querySelector("[class^='index_title']");
  56.             const remark = tmp.querySelector("[class^='index_remarks-']");
  57.             const title = remark?.textContent || clean(tmp.querySelector("[class^='index_richTextContent']").textContent);
  58.             const standard_answer = standard_answers[title];
  59.             log(`${title}: ${standard_answer}`);
  60.             let chosen = false;
  61.             if (standard_answer) {
  62.                 const options = question.querySelectorAll('[style="width: 100%;"]');
  63.                 for (const option of options) {
  64.                     const is_standard_answer = (standard_answer.indexOf(option.innerText) >= 0);
  65.                     // const is_selected = option.querySelector(".ant-checkbox-checked") || option.querySelector(".ant-radio-checked");
  66.                     if (is_standard_answer) {
  67.                         option.firstChild.click();
  68.                         chosen = true;
  69.                         // break; // Compatible for multiple answers
  70.                     }
  71.                 }
  72.             }
  73.             if (!chosen && first_unchosen == null) first_unchosen = question;
  74.         });
  75.         if (first_unchosen != null) {
  76.             first_unchosen.scrollIntoView({ behavior: "smooth" });
  77.             return false;
  78.         }
  79.         return true;
  80.     }
  81.     function ignore() {
  82.         const ignore_btn = root_node.querySelector("[class^='TaskDetailsMainContent_normalButton']");
  83.         if (ignore_btn && ignore_btn.parentElement.parentElement.parentElement.getAttribute('aria-hidden') == 'false') {
  84.             ignore_btn.click();
  85.         } else {
  86.             log("Cannot find ignore button!");
  87.         }
  88.         const tabs = root_node.querySelector("[class='ant-tabs-nav-scroll']");
  89.         if (tabs) {
  90.             tabs = tabs.children[0].children[0];
  91.         } else {
  92.             log("Cannot find teacher/TA list!");
  93.             return;
  94.         }
  95.         let flag = false;
  96.         let tab;
  97.         for (tab of tabs.children) {
  98.             if (flag) {
  99.                 tab.click();
  100.                 break;
  101.             } else if (tab.getAttribute('aria-selected') == 'true') {
  102.                 flag = true;
  103.             }
  104.         }
  105.     }
  106.     async function auto() {
  107.         if (await try_click("button[class^='ant-btn ant-btn-primary']")) // Confirm submission / Next teacher or course
  108.             return true;
  109.         if (grade()) { // Select standard answer
  110.             await try_click("button[class^='ant-btn index_submit']"); // Submit
  111.             return true;
  112.         }
  113.         return false;
  114.     }
  115.     async function full_auto() {
  116.         // Wait INTERVAL ms between auto() resolves and next auto() call
  117.         while (await auto()) {
  118.             await new Promise((resolve) => setTimeout(resolve, INTERVAL));
  119.         }
  120.         alert("Success!");
  121.     }
  122.     function dump() {
  123.         const questions = document.querySelectorAll("[class^='index_subject-']");
  124.         const disabled = questions[0].querySelector(".ant-radio-wrapper-disabled");
  125.         if (disabled) return false;
  126.         let data = {};
  127.         questions.forEach((question) => {
  128.             const required = Boolean(question.querySelector('[class^="index_necessary"]'));
  129.             if (!required) return;
  130.             const tmp = question.querySelector("[class^='index_title']");
  131.             const remark = tmp.querySelector("[class^='index_remarks-']");
  132.             const title = remark?.textContent || clean(tmp.querySelector("[class^='index_richTextContent']").textContent);
  133.             const options = question.querySelectorAll('[style="width: 100%;"]');
  134.             data[title] = [];
  135.             for (const option of options) {
  136.                 data[title].push(option.innerText);
  137.             }
  138.         });
  139.         log(JSON.stringify(data));
  140.     }
  141.     function is_displayed(ele) {
  142.         let displayed = true;
  143.         let node = ele;
  144.         while (node) {
  145.             if (node.style.display == "none") {
  146.                 displayed = false;
  147.                 break;
  148.             }
  149.             node = node.parentElement;
  150.         }
  151.         return displayed;
  152.     }
  153.     function force_enable(ele) {
  154.         ele.removeAttribute("disabled");
  155.         const prefix = "__reactEventHandlers$";
  156.         for (const key of Object.getOwnPropertyNames(ele)) {
  157.             if (key.startsWith(prefix)) {
  158.                 ele[key].disabled = false;
  159.             }
  160.         }
  161.     }
  162.     async function until_enabled(ele) {
  163.         return new Promise((resolve) => {
  164.             if (!ele.hasAttribute("disabled")) {
  165.                 resolve();
  166.                 return;
  167.             } else if (bypass_timer) {
  168.                 force_enable(ele);
  169.                 resolve();
  170.                 return;
  171.             }
  172.             log("Waiting for button to be enabled...", ele);
  173.             const observer = new MutationObserver((mutations, observer) => {
  174.                 if (!ele.hasAttribute("disabled")) {
  175.                     observer.disconnect();
  176.                     log("Button is enabled!", ele);
  177.                     resolve();
  178.                 }
  179.             });
  180.             observer.observe(ele, { attributes: true });
  181.         });
  182.     }
  183.     async function try_click(selector) {
  184.         const eles = document.querySelectorAll(selector);
  185.         for (const ele of eles) {
  186.             if (ele && is_displayed(ele)) {
  187.                 await until_enabled(ele);
  188.                 ele.click();
  189.                 return true;
  190.             }
  191.         }
  192.         return false;
  193.     }
  194.     // Side bar
  195.     const root_node = document.getElementById('root');
  196.     const config = { attributes: false, childList: true, subtree: true };
  197.     const callback = function (mutations, observer) {
  198.         menu_root = root_node.querySelector('.ant-menu-root');
  199.         if (menu_root) {
  200.             observer.disconnect();
  201.             add_item("使用说明", "自动评教脚本使用说明", help);
  202.             add_item("绕过倒计时 [✘]", "（实验性功能）在 Enter 以及全自动评教时绕过 5 秒倒计时", on_bypass_click);
  203.             add_item("自动评价", "自动选择标准答案", grade);
  204.             add_item("忽略并转到下一个", "（若可能）忽略当前助教并转到下一个助教", ignore);
  205.             add_item("全自动评教", "（实验性功能）彻底解放双手", full_auto);
  206.             add_item("输出答案", "（调试用）输出当前问卷的所有答案", dump);
  207.         }
  208.     }
  209.     const observer = new MutationObserver(callback);
  210.     observer.observe(root_node, config);
  211.     // Shortcut
  212.     document.addEventListener("keyup", (e) => {
  213.         if (document.activeElement.nodeName != "INPUT" || document.activeElement.nodeName != "TEXTAREA") {  // Don't trigger when typing
  214.             switch (e.key) {
  215.                 case "Enter":
  216.                     if (!e.shiftKey) {
  217.                         auto();
  218.                     } else {
  219.                         full_auto();
  220.                     }
  221.                     break;
  222.                 case "Backspace":
  223.                     ignore();
  224.                     break;
  225.                 default:
  226.                     break;
  227.             }
  228.         }
  229.     });
  230. })();