Better Luogu!

Luogu Expansion

// ==UserScript==
// @name         Better Luogu!
// @namespace    http://tampermonkey.net/
// @version      1.7.9
// @description:zh  洛谷扩展
// @description  Luogu Expansion
// @author       volatile
// @match        *://*.luogu.com.cn/*
// @match        *://*.luogu.com/*
// @icon         https://fecdn.luogu.com.cn/luogu/logo.png?0fdd294ff62e331d2f70e1a37ba4ee02
// @grant        GM_addStyle
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @grant        GM_listValues
// @grant        GM_setClipboard
// @grant        GM_xmlhttpRequest
// @grant        GM_getResourceText
// @grant        unsafeWindow
// @connect      baidu.com
// @connect      greasyfork.org
// @require      https://unpkg.com/sweetalert/dist/sweetalert.min.js
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';
    //进入插件
    console.log("This is Better Luogu!");
    console.log("\n          _____                    _____                    _____                    _____            _____          \n         /\\    \\                  /\\    \\                  /\\    \\                  /\\    \\          /\\    \\         \n        /::\\____\\                /::\\    \\                /::\\____\\                /::\\____\\        /::\\    \\        \n       /::::|   |               /::::\\    \\              /:::/    /               /:::/    /       /::::\\    \\       \n      /:::::|   |              /::::::\\    \\            /:::/   _/___            /:::/    /       /::::::\\    \\      \n     /::::::|   |             /:::/\\:::\\    \\          /:::/   /\\    \\          /:::/    /       /:::/\\:::\\    \\     \n    /:::/|::|   |            /:::/__\\:::\\    \\        /:::/   /::\\____\\        /:::/    /       /:::/  \\:::\\    \\    \n   /:::/ |::|   |           /::::\\   \\:::\\    \\      /:::/   /:::/    /       /:::/    /       /:::/    \\:::\\    \\   \n  /:::/  |::|   | _____    /::::::\\   \\:::\\    \\    /:::/   /:::/   _/___    /:::/    /       /:::/    / \\:::\\    \\  \n /:::/   |::|   |/\\    \\  /:::/\\:::\\   \\:::\\    \\  /:::/___/:::/   /\\    \\  /:::/    /       /:::/    /   \\:::\\ ___\\ \n/:: /    |::|   /::\\____\\/:::/__\\:::\\   \\:::\\____\\|:::|   /:::/   /::\\____\\/:::/____/       /:::/____/  ___\\:::|    |\n\\::/    /|::|  /:::/    /\\:::\\   \\:::\\   \\::/    /|:::|__/:::/   /:::/    /\\:::\\    \\       \\:::\\    \\ /\\  /:::|____|\n \\/____/ |::| /:::/    /  \\:::\\   \\:::\\   \\/____/  \\:::\\/:::/   /:::/    /  \\:::\\    \\       \\:::\\    /::\\ \\::/    / \n         |::|/:::/    /    \\:::\\   \\:::\\    \\       \\::::::/   /:::/    /    \\:::\\    \\       \\:::\\   \\:::\\ \\/____/  \n         |::::::/    /      \\:::\\   \\:::\\____\\       \\::::/___/:::/    /      \\:::\\    \\       \\:::\\   \\:::\\____\\    \n         |:::::/    /        \\:::\\   \\::/    /        \\:::\\__/:::/    /        \\:::\\    \\       \\:::\\  /:::/    /    \n         |::::/    /          \\:::\\   \\/____/          \\::::::::/    /          \\:::\\    \\       \\:::\\/:::/    /     \n         /:::/    /            \\:::\\    \\               \\::::::/    /            \\:::\\    \\       \\::::::/    /      \n        /:::/    /              \\:::\\____\\               \\::::/    /              \\:::\\____\\       \\::::/    /       \n        \\::/    /                \\::/    /                \\::/____/                \\::/    /        \\::/____/        \n         \\/____/                  \\/____/                  ~~                       \\/____/                          \n                                                                                                                     ");

    var css = ".swal-overlay {background-color: rgba(0, 0, 0, 0.5);}";
    var style = document.createElement("style");
    style.innerHTML = css;
    document.head.appendChild(style);


    let nowurl = window.location.href;
    console.log(nowurl);

    let nowcolor1;
    let nowcolor="";
    if(nowurl == 'https://www.luogu.com.cn/'){
        nowcolor1 = document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').className;
        for(let i=0;i<nowcolor1.length;i++){
            if(nowcolor1[i]==' ') break;
            nowcolor = nowcolor + nowcolor1[i];
        }
    }
    console.log(nowcolor);


    function setcookie(name,value,days,path,domain,secure){
        let expires = "";
        if(days){
            let date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            expires = "; expires=" + date.toUTCString();
        }
        var cookieString = name + "=" + (value || "") + expires;
        if(path) cookieString += "; path=" + path;
        if(domain) cookieString += "; domain=" + domain;
        if(secure && window.location.protocol === "https:") cookieString += "; secure";
        document.cookie = cookieString;
    }

    function getcookie(name){
        const cookiestring = document.cookie;
        const cookies = cookiestring.split('; ');
        for(const cookie of cookies){
            const [cookiename, cookievalue] = cookie.split('=');
            if(cookiename === name) return cookievalue;
        }
        if(name == 'color'){
            setcookie('color',nowcolor,114514,'/','luogu.com.cn',true);
            return nowcolor;
        }
        else if(name == 'hanger'){
            setcookie('hanger','null',114514,'/','luogu.com.cn',true);
            return "null";
        }
        else if(name == 'version'){
            setcookie('version','1.7.9',114514,'/','luogu.com.cn',true);
            return "1.7.9";
        }
        else if(name == 'update'){
            setcookie('update','true',114514,'/','luogu.com.cn',true);
            return "true";
        }
    }


    function deletecookie(name){
        document.cookie = name+ '=; expires=Thu, 01 Jan 1970 00:00:01 GMT; path=/';
    }

    GM_xmlhttpRequest({
        method: "GET",
        url: 'https://greasyfork.org/zh-CN/scripts/487511-better-luogu',
        onload: function(response){
            let parser = new DOMParser();
            let doc = parser.parseFromString(response.responseText, "text/html");
            console.log(doc);
            let version = doc.querySelector('dd.script-show-version');
            console.log(version);
            if(version.textContent != '1.7.9' && nowurl == 'https://www.luogu.com.cn/'){
                if(getcookie('update')=='true'){
                    swal("Better Luogu!","有新版本",{
                        buttons: {
                            no: {
                                text: "7天内不再提醒",
                                value: "false",
                            },
                            yes: {
                                text: "更新",
                                value: "true",
                            }
                        },
                    })
                    .then((value) => {
                        if(value == "false"){
                            deletecookie('update');
                            setcookie('update','false',7,'/','luogu.com.cn',true);
                            swal("Better Luogu!","好的,你可以在 NEWLG 菜单中点击更新来更新");
                        }
                        else window.open('https://greasyfork.org/zh-CN/scripts/487511-better-luogu','_blank');
                    });
                }
            }
        }
    });

    function colorschange(changecolor){//emm,这个函数,额,可能要用吧
        if(changecolor == 'lg-fg-gray') return 'rgb\(191, 191, 191\)';
        else if(changecolor == 'lg-fg-blue') return 'rgb\(14, 144, 210\)';
        else if(changecolor == 'lg-fg-green') return 'rgb\(94, 185, 94\)';
        else if(changecolor == 'lg-fg-orange') return 'rgb\(230, 126 34\)';
        else if(changecolor == 'lg-fg-red') return 'rgb\(231, 76, 60\)';
        else if(changecolor == 'lg-fg-purple') return 'rgb\(142, 68, 173\)';
        else if(changecolor == 'lg-fg-brown') return 'rgb\(173, 139, 0\)';
    }

    function update(){
        swal("Better Luogu! 1.7.9","修复了不显示更新内容的bug",{
            buttons: {
                cancel: "取消",
                _continue: {
                    text: "继续",
                    value: "continue",
                },
            },
        })
        .then((value) => {
            if(value == "continue") swal("Better Luogu! 1.7.9","我什么时候把这个删了(bushi");
        });
    }

    let changecolor = getcookie('color');

    let tagchange = getcookie('tag');
    let tag = document.createElement("span");
    let tagcolor;
    if(changecolor != 'lg-fg-blue' && changecolor != 'lg-fg-orange'){
        tagcolor = changecolor.replace('fg','bg');
        tag.className = 'am-badge am-radius ' + tagcolor;
    }
    else if(changecolor == 'lg-fg-blue'){
        tagcolor = 'color-none';
        tag.className = 'am-badge am-radius ' + tagcolor;
        tag.style.background = 'rgb(52, 152, 219)';
    }
    else if(changecolor == 'lg-fg-orange'){
        tagcolor = 'color-none';
        tag.className = 'am-badge am-radius ' + tagcolor;
        tag.style.background = 'rgb(243, 156, 17)';
    }
    if(changecolor != 'lg-fg-brown') tag.textContent = tagchange;
    else tag.textContent = '作弊者';

    if(getcookie('version')!='1.7.9'){
        update();
        deletecookie('version');
        setcookie('version','1.7.9',114514,'/','luogu.com.cn',true);
    }

    //首页
    if(nowurl == 'https://www.luogu.com.cn/'){
        //日历
        const today=new Date();
        const year=today.getFullYear();
        const month=String(today.getMonth()+1);
        const day=String(today.getDate());
        console.log(year);
        console.log(month);
        console.log(day);
        let date_html='<h2>今天是 '+year+'-'+month+'-'+day+'</h2>';
        if(month==1&&day==1){
            date_html+='<h2>今天是元旦,新的一年,新的开始</h2>';
        }
        else if(month==2&&day==29){
            date_html+='<h2>今年是闰年</h2>';
        }
        else if(month==4&&day==1){
            date_html+='<h2>今天是愚人节</h2>';
        }
        else if(month==5&&day==1){
            date_html+='<h2>今天是劳动节</h2>';
        }
        else if(month==6&&day==1){
            date_html+='<h2>今天是儿童节</h2>';
        }
        else if(month==9&&day==10){
            date_html+='<h2>今天是教师节</h2>';
        }
        else if(month==10&&day==1){
            date_html+='<h2>今天是国庆节,七天小长假,启动!</h2>'
        }
        else if(month==12&&day==31){
            date_html+='<h2>明年见</h2>';
        }
        else date_html+='<h2>欢迎!</h2>';
        let date = document.createElement('div');
        date.className = 'lg-article';
        date.innerHTML = date_html;
        document.querySelector('div.lg-right > div:nth-child(1)').insertAdjacentElement('beforebegin', date);

        //更改用户名颜色
        let color = document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a');
        console.log(color);
        if(changecolor != 'null') color.className=changecolor;

        function removeDivWithText(text) {
            document.querySelectorAll('div').forEach(div => {
                if(div.textContent === text) div.remove();
            });
        }

        function findElement(element, text, cclass){
            document.querySelectorAll(element).forEach(E => {
                if(E.textContent === text) E.className = cclass;
            });
        }

        removeDivWithText('暂无推荐');
        removeDivWithText('洛谷根据您近期的做题情况,使用机器学习自动为您推荐符合您目前程度的题目。本列表每日更新一次。');

        GM_xmlhttpRequest({
            method: "GET",
            url: 'https://top.baidu.com/board?tab=realtime',
            onload: function(response){
                let rs = new DOMParser();
                let doc = rs.parseFromString(response.responseText, "text/html");
                for(let i=1;i<=5;i++){
                    let th = i.toString();
                    let selector = '#sanRoot > main > div.container.right-container_2EFJr > div > div:nth-child(2) > div:nth-child(' + th + ') > div.content_1YWBm > a > div.c-single-text-ellipsis';
                    let _rs = doc.querySelector(selector);
                    console.log(_rs.textContent);
                    let selector2 = '#sanRoot > main > div.container.right-container_2EFJr > div > div:nth-child(2) > div:nth-child(' + th + ') > div.content_1YWBm > a';
                    let rslink = doc.querySelector(selector2);
                    console.log(rslink);
                    let link = document.createElement("a");
                    link.href = rslink.href;
                    link.textContent = _rs.textContent;
                    let RS = document.createElement("p");
                    RS.appendChild(link);
                    findElement('h2','智能推荐','zntj');
                    document.getElementsByClassName('zntj')[0].parentNode.append(RS);
                }
            }
        });

        let links = document.querySelector('.lg-article.am-hide-sm');
        links.insertAdjacentHTML('beforeend','<p><strong>Better Luogu!</strong><br><a href="https://www.volatiles.us.kg/" target="_blank">Better Luogu!</a><br><a href="https://greasyfork.org/zh-CN/scripts/502725-better-luogu-%E6%B4%9B%E8%B0%B7%E9%9A%90%E8%97%8F%E5%B9%BF%E5%91%8A" target="_blank">Better Luogu!-洛谷隐藏广告</a></p>');
    }

    window.onload = function(){
        let _hanger = getcookie('hanger');
        let __hanger = document.createElementNS('http://www.w3.org/2000/svg','svg');
        __hanger.setAttribute('width','16');
        __hanger.setAttribute('height','16');
        __hanger.setAttribute('viewBox','0 0 16 16');
        __hanger.setAttribute('style','margin-bottom: -3px;');

        if(_hanger == 'green')__hanger.setAttribute('fill','#5eb95e');
        else if(_hanger == 'blue') __hanger.setAttribute('fill','#3498db');
        else if(_hanger == 'golden') __hanger.setAttribute('fill','#f1c40f');
        if(_hanger != 'null') document.getElementsByClassName('sb_amazeui')[0].remove();

        let ___hanger = document.createElementNS('http://www.w3.org/2000/svg','path');
        ___hanger.setAttribute('d','M16 8C16 6.84375 15.25 5.84375 14.1875 5.4375C14.6562 4.4375 14.4688 3.1875 13.6562 2.34375C12.8125 1.53125 11.5625 1.34375 10.5625 1.8125C10.1562 0.75 9.15625 0 8 0C6.8125 0 5.8125 0.75 5.40625 1.8125C4.40625 1.34375 3.15625 1.53125 2.34375 2.34375C1.5 3.1875 1.3125 4.4375 1.78125 5.4375C0.71875 5.84375 0 6.84375 0 8C0 9.1875 0.71875 10.1875 1.78125 10.5938C1.3125 11.5938 1.5 12.8438 2.34375 13.6562C3.15625 14.5 4.40625 14.6875 5.40625 14.2188C5.8125 15.2812 6.8125 16 8 16C9.15625 16 10.1562 15.2812 10.5625 14.2188C11.5938 14.6875 12.8125 14.5 13.6562 13.6562C14.4688 12.8438 14.6562 11.5938 14.1875 10.5938C15.25 10.1875 16 9.1875 16 8ZM11.4688 6.625L7.375 10.6875C7.21875 10.8438 7 10.8125 6.875 10.6875L4.5 8.3125C4.375 8.1875 4.375 7.96875 4.5 7.8125L5.3125 7C5.46875 6.875 5.6875 6.875 5.8125 7.03125L7.125 8.34375L10.1562 5.34375C10.3125 5.1875 10.5312 5.1875 10.6562 5.34375L11.4688 6.15625C11.5938 6.28125 11.5938 6.5 11.4688 6.625Z');
        __hanger.appendChild(___hanger);
        let _hanger_ = document.createElement("a");
        _hanger_.href = 'https://www.luogu.com/discuss/142324';
        _hanger_.appendChild(__hanger);

        let button = document.createElement("a");
        button.innerHTML = '<button id="NLTB" style=\"background-color: rgb\(94,114,228\);border-radius: 7px;color: white;border: none;padding: 7px 12px;text-align: center;text-decoration: none;display: inline-block;font-size: 16px;margin: 4px 2px;cursor: pointer;border: none;box-shadow: 2px 3px 7px #000;\">BETTER</button>';
        if(nowurl == 'https://www.luogu.com.cn/' || nowurl == 'https://www.luogu.com.cn/chat' || nowurl.includes('https://www.luogu.com.cn/user/notification') || (nowurl.includes('https://www.luogu.com.cn/user/') && !nowurl.includes('https://www.luogu.com.cn/user/setting'))) document.querySelector('#app > div.main-container > div.wrapper.wrapped.lfe-body.header-layout.tiny > div.container > nav').insertAdjacentElement('beforebegin', button);
        else{
            let user_nav = document.querySelector('div.user-nav[data-v-2dfcfd35]');
            let c_usernav = document.querySelector('nav[data-v-2dfcfd35]');
            user_nav.style.verticalAlign = 'middle';
            c_usernav.insertBefore(button,c_usernav.firstChild);
            button.href = 'https://www.volatiles.us.kg/';
        }
        const tb = document.getElementById("NLTB");

        function reloadmenu(){
            swal("Better Luogu!","更改成功","success",{button: "刷新"}).then((value) => {location.reload();});
        }

        function changeusercolor(){
            swal({
                title: "Better Luogu!",
                text: "输入一个词语(规则见油叉插件页)",
                content: "input",
                button: {
                    text: "更改",
                    closeModal: false,
                },
            })
            .then((input) => {
                if(input=='灰名'||input=='gray'){
                    deletecookie('color');
                    setcookie('color','lg-fg-gray',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='蓝名'||input=='blue'){
                    deletecookie('color');
                    setcookie('color','lg-fg-blue',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='绿名'||input=='green'){
                    deletecookie('color');
                    setcookie('color','lg-fg-green',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='橙名'||input=='orange'){
                    deletecookie('color');
                    setcookie('color','lg-fg-orange',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='红名'||input=='red'){
                    deletecookie('color');
                    setcookie('color','lg-fg-red',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='紫名'||input=='purple'){
                    deletecookie('color');
                    setcookie('color','lg-fg-purple',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='棕名'||input=='brown'){
                    deletecookie('color');
                    setcookie('color','lg-fg-brown',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='复原'||input=='recover'){
                    deletecookie('color');
                    setcookie('color',nowcolor,114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else swal("Better Luogu!","请按规范输入","error");
            });
        }

        function changehanger(){
            swal("Better Luogu!","选择一个勾子", {
                buttons: {
                    cancel: "取消",
                    greenhanger: {
                        text: "绿勾",
                        value: "greenhanger",
                    },
                    bluehanger: {
                        text: "蓝勾",
                        value: "bluehanger",
                    },
                    goldenhanger: {
                        text: "金勾",
                        value: "goldenhanger",
                    },
                    nullhanger: {
                        text: "无勾",
                        value: "nullhanger",
                    },
                }
            })
            .then((value) => {
                switch (value){
                    case "greenhanger":
                        deletecookie('hanger');
                        setcookie('hanger','green',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "bluehanger":
                        deletecookie('hanger');
                        setcookie('hanger','blue',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "goldenhanger":
                        deletecookie('hanger');
                        setcookie('hanger','golden',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "nullhanger":
                        deletecookie('hanger');
                        setcookie('hanger','null',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                }
            });
        }

        function changetag(){
            swal({
                title: "Better Luogu!",
                text: "输入一个tag(无输入以取消)",
                content: "input",
                button: {
                    text: "更改",
                    closeModal: false,
                },
            })
            .then((value) => {
                if(getcookie('color') == 'lg-fg-brown') swal("Better Luogu!","当前为棕名","error");
                else if(value.length > 10) swal("Better Luogu!","长度应不大于10","error");
                else{
                    deletecookie('tag');
                    setcookie('tag',value,114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
            });
        }

        tb.addEventListener('click', function(){
            if(nowurl == 'https://www.luogu.com.cn/'){
                swal("Better Luogu!","选择一个更改", {
                    buttons: {
                        username: {
                            text: "颜色",
                            value: "color",
                        },
                        hanger: {
                            text: "勾子",
                            value: "hanger",
                        },
                        tag: {
                            text: "tag",
                            value: "tag",
                        },
                        update: {
                            text: "更新",
                            value: "update",
                        },
                        content: {
                            text: "内容",
                            value: "content"
                        }
                    },
                })
                .then((value) => {
                    switch (value){
                        case "color":
                            changeusercolor();
                            break;
                        case "hanger":
                            changehanger();
                            break;
                        case "tag":
                            changetag();
                            break;
                        case "update":
                            deletecookie('update');
                            setcookie('update','true',114514,'/','luogu.com.cn',true);
                            window.open('https://greasyfork.org/zh-CN/scripts/487511-better-luogu','_blank');
                            location.reload();
                            break;
                        default: update();
                    }
                });
            }
        });
        if(nowurl == 'https://www.luogu.com.cn/'){
            if(getcookie('hanger')!='null'){
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').innerHTML += '&nbsp;';
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').appendChild(_hanger_);
            }
            if(getcookie('tag')!=''){
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').innerHTML += '&nbsp;';
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').appendChild(tag);
            }
        }
        else if(nowurl.includes('https://www.luogu.com.cn/user/')&&!nowurl.includes('https://www.luogu.com.cn/user/setting')){
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    };
})();