JAV Library Search

Add buttons to search on sukebei.nyaa.se.
当前为 2016-12-29 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        JAV Library Search
// @description Add buttons to search on sukebei.nyaa.se.
// @namespace   rix.li
// @match       *://www.javlibrary.com/*
// @match       *://sukebei.nyaa.se/*
// @version     2.2
// @grant       GM_addStyle
// ==/UserScript==


var videoIdList = [];

function getSearchUrl(videoId) {
    return 'https://sukebei.nyaa.se/?page=search&cats=8_30&sort=5&term=' + encodeURIComponent(videoId) + '#' + encodeURIComponent(videoId);
}

function unique(value, index, self) {
    return self.indexOf(value) === index;
}

function insertAfter(newNode, referenceNode) {
    referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}

if(window.location.hostname === 'www.javlibrary.com') {

    GM_addStyle('.icn_search{display: inline-block;width: 24px;height: 24px;background-repeat: no-repeat;margin: 0px 0px;background-image: url(data:image/png;base64,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);}');

    document.querySelectorAll('.video').forEach(function(video) {
        var videoId = video.querySelector('.id').innerText;
        videoIdList.push(videoId);
        var toolbar = video.querySelector('.toolbar');
        var a = document.createElement('a');
        a.classList.add('icn_search');
        a.title = 'Search it!';
        a.target = '_blank';
        a.href = getSearchUrl(videoId);
        toolbar.appendChild(a);
    });

    document.querySelectorAll('#video_favorite_edit').forEach(function(toolbar) {
        var videoId = document.querySelector('#video_id .text').innerText;
        videoIdList.push(videoId);
        var a = document.createElement('a');
        a.classList.add('smalldarkbutton');
        a.innerText = 'Search it!';
        a.target = '_blank';
        a.href = getSearchUrl(videoId);
        var span = document.createElement('span');
        span.classList.add('favoritetype');
        span.appendChild(a);
        toolbar.appendChild(span);
    });

    videoIdList = videoIdList.filter(unique);

    document.querySelectorAll(".displaymode .left").forEach(function(displayMode) {
        var a = document.createElement('a');
        a.classList.add('smalldarkbutton');
        a.innerText = 'Search all!';
        a.href = 'javascript:void(0);';
        a.addEventListener('click', function(e) {
            e.preventDefault();
            videoIdList.forEach(function(videoId) {
                window.open(getSearchUrl(videoId));
            });
        });
        var span = document.createElement('span');
        span.classList.add('favoritetype');
        span.appendChild(a);
        displayMode.appendChild(span);
    });
}

function getResultSize(result) {
    var sizeExpr = result.querySelector('.tlistsize').innerText.split(/\s+/);
    var quantity = parseFloat(sizeExpr[0]);
    var unit = sizeExpr[1];
    switch(unit) {
        case 'KiB':
            return quantity * 1024;
        case 'MiB':
            return quantity * Math.pow(1024, 2);
        case 'GiB':
            return quantity * Math.pow(1024, 3);
    }
    return NaN;
}

function isTrustedResult(result) {
    return result.classList.contains('trusted');
}

if(window.location.hostname === 'sukebei.nyaa.se') {
    GM_addStyle('.dl-btn {color: #eee; border-radius: 8px; cursor: pointer; float: right; margin-right: 100px;} .dl-found{background-color: #333;} .dl-not-found {background-color: #a50202;}');
    var results = [];
    var videoId = window.location.hash.slice(1);
    var regex = new RegExp(videoId.replace(/-/g, '\\s*-?\\s*'), 'i');
    var notice = document.querySelector('span.notice');
    document.querySelectorAll('.tlistrow').forEach(function(row) {
        if (row.querySelector('.tlistname').innerText.match(regex))
            results.push(row);
    });

    if (!results.length) {
        var a = document.createElement('a');
        a.classList.add('notice');
        a.classList.add('dl-btn');
        a.classList.add('dl-not-found');
        a.href = 'javascript:void(0);';
        a.innerText = 'Best result not found!';
        insertAfter(a, notice);
    } else {
        var bestResult = results[0];
        var bestResultSize = getResultSize(bestResult);
        var bestResultTrusted = isTrustedResult(bestResult);
        if (!bestResultTrusted) {
            results.find(function(result) {
                var resultSize = getResultSize(result);
                var resultTrusted = isTrustedResult(result);
                if (resultTrusted && (bestResultSize - resultSize) <= 100 * Math.pow(1024, 2)) {
                    bestResult = result;
                    return true;
                }
                return false;
            });
        }
        var downloadUrl = bestResult.querySelector('.tlistdownload a').href;
        var a = document.createElement('a');
        a.classList.add('notice');
        a.classList.add('dl-btn');
        a.classList.add('dl-found');
        a.href = downloadUrl;
        a.innerText = 'Download best result!';
        insertAfter(a, notice);
    }
}