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豆瓣随机漫步者 - 手气不错 - 拯救选择困难症!

豆瓣随机漫步者脚本，为电影、读书、音乐的wish、do、collect添加了随机按钮和高亮显示，节省决策资源，拯救选择困难症！目前仅适配栅格视图，列表视图待适配。

目前為 2023-09-28 提交的版本，檢視 最新版本。

// ==UserScript==
// @name         豆瓣随机漫步者 - 手气不错 - 拯救选择困难症!
// @version      0.1.3
// @namespace    Black Rabbit
// @author       Black Rabbit
// @description  豆瓣随机漫步者脚本，为电影、读书、音乐的wish、do、collect添加了随机按钮和高亮显示，节省决策资源，拯救选择困难症！目前仅适配栅格视图，列表视图待适配。
// @match      http*://book.douban.com/*
// @match      http*://movie.douban.com/*
// @match      http*://music.douban.com/*
// @match      http*://*.douban.com/mine*
// @match      http*://*.douban.com/people/*/wish*
// @match      http*://*.douban.com/people/*/do*
// @match      http*://*.douban.com/people/*/collect*
// @icon       https://www.google.com/s2/favicons?sz=64&domain=douban.com
// @original_icon https://img1.doubanio.com/favicon.ico
// @supportURL     https://gf.qytechs.cn/scripts/476110
// @grant        none
// ==/UserScript==

// Domain Process
var domain = window.location.hostname;
var url = window.location.href;
var hlcolor;
if (domain.includes("book.douban")){ hlcolor = "rgb(40,153,160)"; }//rgb(38,143,149) rgb(234,161,100)
else if (domain.includes("movie.douban")) { hlcolor = "rgb(0,144,217)";} //rgb(40,156,229)
else if (domain.includes("music.douban")){ hlcolor = "rgb(249,92,68)";} //rgb(250,128,0)

// ADD Big Button
(function () {
    $("div.inp-btn").css("display","inline-block");
    var input = $("div.inp-btn");
    var button = $('<button class="feelinglucky"></button>');
    button.css({
        "width": "83px",
        "height": "33px",
        "border": "none",
        "margin-left":"14px",
        "background-color": hlcolor,
        "border-radius": "4px",
        "font-size": "12px",
        "color": "white",
        "cursor":"pointer",
        "display": "inline-block",
        "vertical-align": "top"
    });
    button.hover(function() {
        $( this ).css("opacity","0.88");
    }, function() {
        $( this ).css("opacity","1");
    });
    button.text("🎲 手气不错");
    button.on("click", function () {
        var randomsj = 1; // roll a random subject
//        window.open("https://" + domain + "/subject/" + randomsj + "/", "_self");
        return false;
    });
    input.after(button);
})();

// TUNE the Annual position
(function () {
    var anltarget = $("fieldset");
    if (domain.includes("book.douban")){
        $(".bookannual").appendTo(anltarget);
        $(".bookannual").attr("style","margin-left:200px !important; top:-11px;");
    }
    else if (domain.includes("movie.douban")) {
        $(".movieannual").appendTo(anltarget);
        $(".movieannual").attr("style","margin-left:200px !important; top:-11px;");
    }
    else if (domain.includes("music.douban")){
        $(".musicannual").appendTo(anltarget);
        $(".musicannual").attr("style","margin-left:270px !important; top:-11px;");
    }
})();

// grid-view list-view Process
var urlkw = ["/wish", "/do", "/collect", "/mine"];
if (urlkw.some(function (substring) { // includes keyword then run
    return url.includes(substring);
})) {
    // Get link reference
    var pageslc;
    var href;
    var range = 15;
    var paginator = document.getElementsByClassName("paginator");
    var pexist = Array.from(paginator).find(function(element) {
        return element.className === "paginator";
    });
    if (pexist) {
        pageslc = pexist.getElementsByTagName("a")[0];
        href = pageslc.href;
    } else { // paginator is not exist
        href = window.location.href.split("#")[0]; // use default url
    }
    // calculate max PAGE nums
    var sjnumspan = document.getElementsByClassName ("subject-num")[0];
    var parts = sjnumspan.textContent.split ("/");
    var total = Number(parts[1].trim());
    if (total <= 15) {
        range = total;
    }
    var pagemax = Math.ceil (total / 15);
    //var pagemax = Number(document.getElementsByClassName("thispage")[0].getAttribute("data-total-page")) || sjnum;

    // Function: Add fixed RANDOM links in Grid mode
    (function() {
        'use strict';
        if (domain.includes("book.douban")){
            $('div.opt-bar.clearfix').after('<div class="nicetry" style="width:675px; height:24px ;"><a id="random" href="#" style="float: right; margin-right: 0px;">🎲 手气不错! </a></div>');
        }
        else {
            $('div.opt-bar.mb30.clearfix').css("margin-bottom","0px");
            $('div.opt-bar.mb30.clearfix').after('<div class="nicetry" style="width:675px; height:24px ;"><a id="random" href="#" style="float: right; margin-right: 0px;">🎲 手气不错! </a></div>');
            $('div.grid-view > div.item.comment-item:first-child').css({"padding-top":"20px","border-top-width":"1px","border-top-style":"dashed","border-top-color":"rgb(221,221,221)","margin-top":"5px"});
            $('div.grid-view').css({"border-top-width":"0px","padding-top":"0px"});
        }
        //$('div.mode').after('<div class="nicetry" style="width:200px; height:21px ;"><a id="random" href="#" style="float: right; margin-right: 0px;">🎲 手气不错! </a></div>');
        $('#random').on({
            click: function () {
                amble();
                return false;//阻止默认行为
            }
        });
        // $('#random').after('<span class="gray-dot">·</span>');
    })();

    // Function: Locate to RANDOM subject then highlight it -- according the #num at the end of Url
    var hash = window.location.hash;
    // 如果有 #
    if (hash) {
        // 去掉 # 号并转换为数字
        var index = Number(hash.slice(1));
        // 如果是有效的数字
        if (index >= 1 && index <= 15) {
            // 根据 CSS 选择器获取特定的元素
            var element;
            if (domain.includes("book.douban")){
                var interest = document.getElementsByClassName("interest-list")[0];
                var icount = interest.children.length;
                if (icount<15) { index = index % icount + 1; }
                element = document.querySelector(
                    "ul.interest-list > li.subject-item:nth-child(" + (index) + ")"
                );
            } else {
                var grid = document.getElementsByClassName("grid-view")[0];
                var count = grid.children.length;
                if (count<15) { index = index % count + 1; } // % 求余
                element = document.querySelector(
                    "div.grid-view > div.item.comment-item:nth-child(" + (index) + ")"
                );
            }
            // 如果找到元素
            if (element) {
                // 给元素添加一个样式类
                element.classList.add("highlighted");
                //element.style.border = "5px solid yellow"; // 添加一个 5px 的黄色边框
                element.style.setProperty("border", "5px solid "+ hlcolor, "important"); // 添加一个带有!important标记的5px黄色边框
                element.style.setProperty("border-radius", "8px");
                if (domain.includes("book.douban")){
                    $('li.highlighted > div.info > div.short-note > div.opt-l > a.d_link').after('<a id="again" href="#" style="float: right; margin-right: 0px;">🎲 再来一次! </a>');
                } else {
                    $('div.highlighted > div.info > ul > li > span.date').after('<a id="again" href="#" style="float: right; margin-right: 10px;">🎲 再来一次! </a>');
                }
                $('#again').on({
                    click: function () {
                        amble();
                        return false;
                    }
                });
                // 让元素滚动到可视区域
                element.scrollIntoView({
                    behavior: "smooth", // 平滑滚动
                    block: "center", // 垂直方向居中对齐
                    inline: "center" // 水平方向居中对齐
                });
            }
        }
    }

    // Function: wish do collect random method
    function amble(){
        var randomsj = Math.floor(Math.random() * total ) + 1; // 根据 total 生成一个随机项目 1 ~ total
        var pg = Math.floor(randomsj / 15) * 15; // 随机项目位于第几页 0 ~ pagemax-1
        var sj = randomsj % 15 + 1; // randomsj / 15 的余数，显示在 pg 的第 1 ~ 15 项
        var oldHref = location.href.split("#")[0]; // storage opening href
        var newHref = href.replace(/start=\d+/, "start=" + pg); // 替换 start 参数
        window.open(newHref + "#" + sj,"_self");
        //location.replace(newHref + "#" + sj);
        if (total<=15 || newHref==oldHref){
            location.reload();
        }
    }
}

// Function: Add RANDOM links in List mode

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