RedditRaffle

Choses a list of winners by certain criteria

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name        RedditRaffle
// @namespace   redditraffle
// @description Choses a list of winners by certain criteria
// @include     http://www.reddit.com/r/*/comments/*
// @include     https://www.reddit.com/r/*/comments/*
// @include     http://old.reddit.com/r/*/comments/*
// @include     https://old.reddit.com/r/*/comments/*
// @include     http://new.reddit.com/r/*/comments/*
// @include     https://new.reddit.com/r/*/comments/*
// @version     1.7
// @grant       none
// ==/UserScript==

var link,
    url,
    winner_count,
    author_exclude,
    keyword_included,
    keyword_excluded,
    karma_link,
    karma_comment,
    age = 0.,
    total_comments,
    comments = [],
    more = [],
    more_lock = false,
    parse_lock = false,
    names = [],
    chosen = [],
    userinfo,
    query_timeout,
    connection_count = 0,
    url_base = new URL(window.location.href).origin;

function render_results() {
    progress.innerHTML = "Rendering:";
    var html = [];
    html.push("<!doctype html><meta charset=\"utf-8\" /><title>Raffle results</title>" +
              "<style>table{overflow:hidden;border:1px solid #d3d3d3;background:#fefefe;" +
              "width:70%;margin:5% auto 0;-moz-border-radius:5px;-webkit-border-radius:5px;" +
              "border-radius:5px;-moz-box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);" +
              "-webkit-box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);}th,td{text-align:center;}" +
              "th{padding:14px 22px;text-shadow: 1px 1px 1px #fff;background:#e8eaeb;}" +
              "td{border-top:1px solid #e0e0e0;border-right:1px solid #e0e0e0;}" +
              "tr:nth-child(odd) td{background:#f6f6f6;}td:last-child{border-right:none;" +
              "text-align:left;padding:8px 18px;}</style><table><tr><th>No.</th><th>User</th>" +
              "<th>Comment</th></tr>");
    var winner_length = Math.min(winner_count, chosen.length);
    for(var i = 0; i < winner_length; i++) {
        html.push("<tr><td>" + (i + 1) + ".</td><td><a href=\"" + url_base + "/user/" +
                  chosen[i].author + "\">" + chosen[i].author + "</a></td><td>");
        html.push(chosen[i].body_html.replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&'));
        html.push("<br /><a href=\"" + url + chosen[i].id + "\">Show</a></td><tr>");
    }
    html.push("</table>");
    progress.innerHTML = "<a href=\"" + URL.createObjectURL(new Blob(html, {type : 'text/html'})) +
                         "\" target=\"_new\">Show results</a>";
}

function query_users() {
    if(more_lock || parse_lock) return;
    var query_interval = window.setInterval(function() {
        if(chosen.length >= winner_count || !comments.length) {
            window.clearInterval(query_interval);
            render_results();
            return;
        }
        if(connection_count > 10) return;
        var comment = comments.splice(Math.floor(Math.random() * comments.length), 1)[0];
        if(comment === undefined ||
           comment.body.toLowerCase().indexOf(keyword_included) < 0 ||
           (keyword_excluded && !(comment.body.toLowerCase().indexOf(keyword_excluded) < 0)) ||
           (author_exclude && comment.author === author_exclude) ||
           !(names.indexOf(comment.author) < 0))
            return;
        if(age || karma_link || karma_comment) {
            var request = new XMLHttpRequest();
            request.onreadystatechange = function() {
                if (this.readyState == 4) {
                    if(this.status == 200) {
                        connection_count--;
                        userinfo = JSON.parse(this.responseText).data;
                        if((!age || userinfo.created_utc <= age) &&
                           userinfo.link_karma >= karma_link &&
                           userinfo.comment_karma >= karma_comment &&
                           chosen.length < winner_count &&
                           names.indexOf(userinfo.name) < 0) {
                            names.push(userinfo.name);
                            chosen.push(comment);
                            progress.innerHTML = "Querying Users: " + chosen.length + "/" + winner_count;
                        }
                    } else {
                        connection_count--;
                				console.log("Server returned status " + this.status);
                    }
                }
            };
    				request.open('GET', url_base + '/user/' + comment.author + '/about.json', true);
    				request.send();
            connection_count++;
        } else {
            names.push(comment.author);
            chosen.push(comment);
            progress.innerHTML = "Querying Users: " + chosen.length + "/" + winner_count;
        }
    }, 100);
}

function add_comment(comment) {
    comments.push(comment);
    if(comment.replies && comment.replies.kind === "Listing")
        parse_listing(comment.replies.data.children);
}

function add_more(children) {
    more.push.apply(more, children);
    if(!more_lock) parse_more();
}

function parse_more() {
    if(!more.length) {
        more_lock = false;
        query_users();
        return;
    }
    more_lock = true;
    var children = more.splice(0, 20);
    var request = new XMLHttpRequest();
    request.onreadystatechange = function() {
        if (this.readyState == 4) {
            if(this.status == 200) {
                parse_listing(JSON.parse(this.responseText).json.data.things);
                progress.innerHTML = "Parsing Comments: " + comments.length + "/" + total_comments;
                parse_more();
            } else {
                more.push.apply(more, children);
                console.log("Server returned status " + this.status);
                parse_more();
            }
        }
    };
    request.open('GET', url_base + '/api/morechildren.json?link_id=' + link + '&api_type=json&children=' + children.join(), true);
    request.send();
}

function parse_listing(listing) {
    var listingLength = listing.length;
    for(var child = 0; child < listingLength; child++) {
        if (listing[child].kind === 't1')
            add_comment(listing[child].data);
        else if (listing[child].kind === 't3') {
            link = listing[child].data.name;
            author_exclude = form.elements.author_exclude.checked ? listing[child].data.author : "";
            total_comments = listing[child].data.num_comments;
            progress.innerHTML = "Parsing Comments: 0/" + total_comments;
        }
        else if (listing[child].kind === 'more')
            add_more(listing[child].data.children);
    }
}

function do_raffle() {
    progress.innerHTML = "Parsing Comments:";
    winner_count = parseInt(form.elements.winner_count.value) || 20;
    keyword_included = form.elements.keyword_included.value.toLowerCase();
    keyword_excluded = form.elements.keyword_excluded.value.toLowerCase();
    karma_link = parseInt(form.elements.karma_link.value) || 0;
    karma_comment = parseInt(form.elements.karma_comment.value) || 0;
    if(form.elements.age.value) {
        var date = new Date(),
            number = parseInt(form.elements.age.value) || 0;
        switch(form.elements.age_type.value) {
            case "y":
                date.setFullYear(date.getFullYear() - number);
                break;
            case "d":
                date.setDate(date.getDate() - number);
                break;
            default:
                date.setMonth(date.getMonth() - number);
        }
        age = date.getTime()/1000;
    }
    url = window.location.href;
    if(!(url.indexOf("?") < 0)) {
        url = url.substring(0, url.indexOf("?"));
    }
    parse_lock = true;
    var request = new XMLHttpRequest();
    request.onreadystatechange = function() {
        if (this.readyState == 4) {
            if(this.status == 200) {
                var things = JSON.parse(this.responseText),
                    thingsLength = things.length;
                for(var thing = 0; thing < thingsLength; thing++)
                    if (things[thing].kind === 'Listing')
                        parse_listing(things[thing].data.children);
                parse_lock = false;
                query_users();
            } else {
                console.log("Server returned status " + this.status);
            }
        }
    };
    request.open('GET', url + '.json?limit=500', true);
    request.send();
}


var style = document.createElement('style');
style.type = 'text/css';
document.head.appendChild(style);
style.sheet.insertRule("#raffle_form input[type=text] {\
    width:265px;\
    border:1px solid #DBDADA;\
    border-radius:2px;\
    font-size:14px;\
    font-style:italic;\
    padding:4px;\
}", 0);
style.sheet.insertRule("#raffle_form button {\
    border:1px solid #DBDADA;\
    border-radius:2px;\
    font-size:14px;\
    font-style:italic;\
    padding:4px;\
    margin:4px;\
    background:#EBEBEB;\
    color:#141414;\
}", 1);
style.sheet.insertRule("#raffle_form a {\
    color:blue;\
    text-decoration:underline;\
}", 2);


var form = document.createElement("form");
form.id = "raffle_form";
form.innerHTML = "<ul class=\"content\">\
<li><input type=\"text\" placeholder=\"Number of Winners\" name=\"winner_count\" /></li>\
<li><input type=\"text\" placeholder=\"Comments containing\" name=\"keyword_included\" /></li>\
<li><input type=\"text\" placeholder=\"Comments not containing\" name=\"keyword_excluded\" /></li>\
<li><input type=\"text\" placeholder=\"Required Link Karma\" name=\"karma_link\" /></li>\
<li><input type=\"text\" placeholder=\"Required Comment Karma\" name=\"karma_comment\" /></li>\
<li>\
<input type=\"text\" placeholder=\"Age\" name=\"age\" style=\"width: 190px;\"></input>\
<select name=\"age_type\">\
<option value=\"d\">days</option>\
<option value=\"m\" selected=\"selected\">month</option>\
<option value=\"y\">years</option>\
</select>\
</li>\
<li>\
<button class=\"save\" type=\"button\">Raffle</button>\
<input type=\"checkbox\" name=\"author_exclude\" id=\"author_exclude\" checked=\"checked\"/>\
<label for=\"author_exclude\">Exclude Author</label>\
</li>\
<li><span id=\"raffle_progress\"></span></li>\
</ul>";

var progress = form.querySelector("#raffle_progress");
form.querySelector("button").addEventListener("click", do_raffle, true);

// old design
if(document.querySelector("div.side")) {
    var spacer = document.createElement("div"),
        sidecontentbox = document.createElement("div");
    spacer.classList.add("spacer");
    sidecontentbox.classList.add("sidecontentbox");
    spacer.appendChild(sidecontentbox);
    sidecontentbox.innerHTML = "<div class=\"title\"><h1>Raffle</h1></div>";
    sidecontentbox.appendChild(form);
    document.querySelector("div.side").appendChild(spacer);
}

// new design
else {
    var template_container = document.evaluate("//div[text()=\"Community Details\"]/..", document, null, XPathResult.ANY_TYPE, null).iterateNext(),
        sidebar = template_container.parentNode,
        container = document.createElement("div"),
        title = document.createElement("div"),
        content = document.createElement("div");
    container.classList = template_container.classList;
    container.appendChild(title);
    container.appendChild(content);
    title.classList = template_container.children[0].classList;
    title.innerHTML = "Raffle";
    content.classList = template_container.children[1].classList;
    content.appendChild(form);
    setTimeout(() => {sidebar.insertBefore(container, sidebar.children[2]);}, 400);
}