水源低质量发帖过滤器

从水源主页直接屏蔽常见类型的低质量发帖,如垃圾标题、戾气帖子等。误伤概率高,宁杀一千原则,请谨慎使用。

目前为 2023-12-02 提交的版本。查看 最新版本

// ==UserScript==
// @name         水源低质量发帖过滤器
// @license      MIT
// @namespace    https://gf.qytechs.cn/scripts/480756
// @version      1.3
// @description  从水源主页直接屏蔽常见类型的低质量发帖,如垃圾标题、戾气帖子等。误伤概率高,宁杀一千原则,请谨慎使用。
// @match        https://shuiyuan.sjtu.edu.cn/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var removeMode = "remove";
    var device;
    var blacklistKeywords = ["😅", "插头", "图书馆键盘", "占座", "交小苗", "拔电", "电动车充", "充电桩", "拔充", "拔插", "车充", "拔线", "恶心", "分流", "被拔", "乱拔", "偷充", "别拔", "拔人"];
    var whitelistWords = ["投喂", "公告", "楼"];//最高优先级:有白名单总会不屏蔽
    var biaotidangList = ["!", ":", ",", "禁", "官", "竟"];

    // 主页已屏蔽数量文字提示
    var blockTextInfo = ";\)";
    var blocktext = document.createElement('div');
    blocktext.innerText = blockTextInfo;
    blocktext.style.height = '100%';
    blocktext.style.display = 'flex';
    blocktext.style.alignItems = 'center';
    blocktext.style.justifyContent = 'center';
    blocktext.style.padding = '0 10px';
    blocktext.classList.add('block-number-text');


    //移动端设备采用无感屏蔽存在无法无限加载的问题
    var htmlElement = document.documentElement;
    var isDeviceMobile = htmlElement.classList.contains('mobile-view');//移动端不启用移除模式,而是使用隐藏模式,保留控件占位
    if(isDeviceMobile){
        device = "mobile";
    }
    else{
        device = "others";
    }
    if (device == "mobile"){
        removeMode = "hide";
    }

    //屏蔽函数
    function block(subject){
        if(removeMode=="remove"){
            subject.remove();
        }
        else if(removeMode=="hide"){
            subject.style.visibility = 'hidden';
        }
        else{
            console.log("错误:不存在的removeMode");
        }
    }

    // 查找目标位置并添加按钮
    function addTextToContainer(num) {
        if(num == 0){
            blockTextInfo = ";\)";
        }
        else{
            blockTextInfo = "x: "+num;
        }
        var container = document.getElementById('navigation-bar');
        if(container){
            var existingBlockText = container.querySelector('.block-number-text');
            if(existingBlockText){
                existingBlockText.innerText = blockTextInfo;
            }
            else{
                var firstChild = container.firstElementChild;
                container.insertBefore(blocktext, firstChild);
            }
        }
    }

    var counter = 0;//屏蔽计数器
    setInterval(function() {

        // 获取所有需要检测的元素
        var elements = document.querySelectorAll('a[role="heading"]');
        console.log('元素数量:', elements.length);
        var isTrashContentFlag;


        // 屏蔽检测与删除
        for (var i = 0; i < elements.length; i++) {
            isTrashContentFlag = false;
            //---白名单检测---
            var element = elements[i];
            var textContent = element.innerText.trim();
            var containsWhitelistWord = false;
            for (var j = 0; j < whitelistWords.length; j++) {
                if (textContent.includes(whitelistWords[j])) {
                    containsWhitelistWord = true;
                    console.log('白名单通过:', textContent, ' ', whitelistWords[j]);
                    break;
                }
            }
            //---白名单检测:结束---

            var parentElement = element.parentElement;
            // 1. 如果文本内容少于等于六个字,判定为过短标题
            if (textContent.length <= 6) {
                console.log('标记:', textContent);
                if (parentElement && parentElement.parentElement && parentElement.parentElement.parentElement) {
                    isTrashContentFlag = true;
                    //parentElement.parentElement.parentElement.style.display = 'none';
                    //parentElement.parentElement.parentElement.style.height = '0';
                    //parentElement.parentElement.parentElement.style.visibility = 'hidden';
                    //parentElement.parentElement.parentElement.style.opacity = '0';
                    //parentElement.parentElement.parentElement.remove();
                    //block(parentElement.parentElement.parentElement);
                    //counter++;
                }
            }


            // 检查文本是否包含关键词
            var containsKeyword = false;
            for (j = 0; j < blacklistKeywords.length; j++) {
                if (textContent.includes(blacklistKeywords[j])) {
                    containsKeyword = true;
                    console.log('关键词检测:', textContent, ' ', blacklistKeywords[j]);
                    break;
                }
            }
            if (containsKeyword) {
                console.log('标记:', textContent);
                if (parentElement && parentElement.parentElement && parentElement.parentElement.parentElement) {
                    isTrashContentFlag = true;
                }
            }

            // 标题党专项屏蔽:逻辑为,12个字符以内,含有2个敏感字符(!:,禁官竟)
            var biaotidangScore = 0;
            for (j = 0; j < biaotidangList.length; j++) {
                if (textContent.includes(biaotidangList[j])) {
                    biaotidangScore++;
                }
            }
            if (biaotidangScore>=2 && textContent.length <= 12) {
                console.log('标记:', textContent);
                parentElement = element.parentElement;
                if (parentElement && parentElement.parentElement && parentElement.parentElement.parentElement) {
                    isTrashContentFlag = true;
                }
            }

            //---开始屏蔽----
            if(isTrashContentFlag && !containsWhitelistWord){
                block(parentElement.parentElement.parentElement);
                counter++;
            }
            //---开始屏蔽:完成----
        }



        //显示屏蔽数量
        addTextToContainer(counter);
        if(!removeMode){
            counter = 0;
        }

    }, 500);
})();

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