Fuck bb

优化您在 bb.ustc.edu.cn 的评分体验（主要为了助教开发）
目前为 2023-12-08 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name         Fuck bb
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Optimizes your grading experience using bb.ustc.edu.cn, mainly for TAs.
// @description:zh-CN 优化您在 bb.ustc.edu.cn 的评分体验（主要为了助教开发）
// @author       PRO
// @match        https://www.bb.ustc.edu.cn/webapps/assignment/gradeAssignmentRedirector*
// @icon         http://ustc.edu.cn/favicon.ico
// @run-at       document-start
// @license      gpl-3.0
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        unsafeWindow
// @require      https://update.gf.qytechs.cn/scripts/470224/1288180/Tampermonkey%20Config.js
// ==/UserScript==

(function () {
    'use strict';
    function _boolDesc(name, title = undefined, default_value = true) {
        return {
            name: name,
            value: default_value,
            input: "current",
            processor: "not",
            formatter: "boolean",
            autoClose: false,
            title: title
        };
    }
    const config_desc = {
        "alternate-count": _boolDesc("Alternate count", "Replace original count with a better one. Required for 'Group count' to work"),
        "group-cnt": {
            name: "Group count",
            value: 500,
            processor: "int_range-1-",
            autoClose: false,
            title: "Number of students in your group. Viewing grades of greater number of students will trigger an alert."
        },
        "focus-grade": _boolDesc("Focus grade", "Automatically focuses on grade input"),
        "ignore-ungraded": _boolDesc("Ignore un-graded", "Skips un-graded attemps"),
        "submit-draft": _boolDesc("Submit draft", "Automatically submits drafts", false),
        "native-pdf": _boolDesc("*Native PDF", "View students' pdf files with browser's solution")
    };
    const config = GM_config(config_desc);
    const window = unsafeWindow;
    if (config["native-pdf"]) {
        Object.defineProperty(window, "gradeAssignment", {
            set: function (value) {
                console.log("[Fuck bb] Hooked gradeAssignment");
                value._handleInlineViewResponse = value.handleInlineViewResponse;
                value.handleInlineViewResponse = function (responseJSON) {
                    // See constants in AssignmentManager for the JSON member names.
                    const PDF = responseJSON.downloadUrl;
                    fetch(PDF).then(res => res.blob()).then(blob => {
                        const url = URL.createObjectURL(blob);
                        responseJSON.viewUrl = url;
                        value._handleInlineViewResponse(responseJSON);
                    });
                };
                window._gradeAssignment = value;
            },
            get: function () {
                return window._gradeAssignment;
            }
        });
    }
    const timer = window.setInterval(
        () => {
            if (typeof theAttemptNavController !== "undefined") {
                window.clearInterval(timer);
                main();
            }
        }, 500
    );
    // Alternate count
    function alternateCount() {
        const span = document.querySelector("span.count");
        if (!span) return;
        span.style.fontWeight = "bold";
        span.style.color = "red";
        const m = span.textContent.match(/正在查看 (\d+) 个可评分项目，共 (\d+) 个可评分项目/);
        if (!m) return;
        const alternate = m[1] + " / " + m[2];
        span.textContent = alternate;
        if (parseInt(m[2]) > config["group-cnt"]) {
            alert("Viewing all students!");
        }
    }
    // Focus grade input
    function focusGrade() {
        const grade = document.querySelector("#currentAttempt_grade");
        if (grade) grade.focus();
    }
    // Ignore un-graded attempts
    function ignoreUngraded() {
        if (document.querySelector("#panelbutton2 div.students-pager img[alt='不计入用户的成绩']")) {
            console.log("Skip un-graded");
            theAttemptNavController.viewNext();
        }
    }
    // Auto submit drafts
    function submitDraft() {
        const grade = document.querySelector("#currentAttempt_grade");
        const submit = document.querySelector("#currentAttempt_submitButton");
        if (grade.value !== "" && submit) {
            submit.click();
        }
    }
    // Main
    function main() {
        let isSelf = true;
        if (config["alternate-count"]) isSelf = alternateCount();
        if (config["focus-grade"]) focusGrade();
        if (!isSelf) return;
        if (config["ignore-ungraded"]) ignoreUngraded();
        if (config["submit-draft"]) submitDraft();
    }
    // Shortcuts
    document.addEventListener("keydown", e => {
        if (e.key === "Escape")
            document.activeElement.blur();
        if (document.activeElement.nodeName != "INPUT") {
            switch (e.key) {
                case "ArrowLeft":
                    theAttemptNavController.viewPrevious();
                    break;
                case "ArrowRight":
                    theAttemptNavController.viewNext();
                    break;
                case "Enter": {
                    const save = document.querySelector(e.ctrlKey ? "#currentAttempt_submitButton" : "#currentAttempt_saveButton");
                    if (save) save.click();
                    break;
                }
                default:
                    break;
            }

        }
    });
    // Listen to config changes
    const callbacks = {
        "alternate-count": alternateCount,
        "focus-grade": focusGrade,
        "ignore-ungraded": ignoreUngraded,
        "submit-draft": submitDraft,
    };
    window.addEventListener(GM_config_event, e => {
        if (e.detail.type === "set" && e.detail.after) {
            const callback = callbacks[e.detail.prop];
            if (callback) callback();
        }
    });
})();
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